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Canon G1 X Mark II vs XSi

The Canon PowerShot G1 X Mark II and the Canon EOS Rebel XSi (labelled Canon 450D in some countries) are two digital cameras that were officially introduced, respectively, in February 2014 and January 2008. The G1X Mark II is a fixed lens compact, while the XSi is a DSLR. The cameras are based on an 1.5-inch (G1X Mark II) and an APS-C (XSi) sensor. The G1X Mark II has a resolution of 13 megapixels, whereas the XSi provides 12.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon G1 X Mark II   Canon XSi
Canon G1 X Mark II Canon XSi
Fixed lens compact camera Digital single lens reflex
24-120mm f/2.0-3.9 Canon EF mount lenses
13 MP, 1.5" Sensor 12.2 MP, APS-C Sensor
1080/30p Video no Video
ISO 100-12800 ISO 100-1600
Viewfinder optional Optical viewfinder
3.0" LCD, 1040k dots 3.0" LCD, 230k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
5.2 shutter flaps per second 3.5 shutter flaps per second
240 shots per battery charge500 shots per battery charge
116 x 74 x 66 mm, 553 g 129 x 98 x 62 mm, 524 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G1 X Mark II and the Canon EOS Rebel XSi? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Canon G1 X Mark II and the Canon XSi are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Canon G1 X Mark II vs Canon XSi
Compare G1X Mark II versus XSi top
Comparison G1X Mark II or XSi rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon XSi is considerably larger (47 percent) than the Canon G1 X Mark II. In this context, it is worth noting that neither the G1X Mark II nor the XSi are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X Mark II has a lens built in, whereas the XSi is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the XSi and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the G1X Mark II gets 240 shots out of its NB-12L battery, while the XSi can take 500 images on a single charge of its LP-E5 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon G1 X Mark II» 4.6 in 2.9 in 2.6 in 19.5 oz 240 n Feb 2014 799 i i Canon G1 X Mark II
 
Canon XSi« 5.1 in 3.9 in 2.4 in 18.5 oz 500 n Jan 2008 799- i Canon XSi
 
Canon T6i« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749- i Canon T6i
 
Canon T6s« » 5.2 in 4.0 in 3.1 in 19.9 oz 440 n Feb 2015 649- i Canon T6s
 
Canon XC10« » 4.9 in 4.0 in 4.8 in 36.7 oz .. n Apr 2015 2,499- i Canon XC10
 
Canon SX60« » 5.0 in 3.7 in 4.5 in 22.9 oz 340 n Sep 2014 549- i Canon SX60
 
Canon G16« » 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 i i Canon G16
 
Canon S120« » 3.9 in 2.3 in 1.1 in 7.7 oz 230 n Aug 2013 449- i Canon S120
 
Canon G1 X« » 4.6 in 3.2 in 2.6 in 18.8 oz 250 n Jan 2012 799- i Canon G1 X
 
Canon T4i« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849- i Canon T4i
 
Canon T3« » 5.1 in 3.9 in 3.1 in 17.5 oz 700 n Feb 2011 449- i Canon T3
 
Canon T1i« » 5.1 in 3.9 in 2.4 in 18.3 oz 400 n Mar 2009 799- i Canon T1i
 
Canon 40D« » 5.7 in 4.3 in 2.9 in 29.0 oz 750 n Aug 2007 1,299- i Canon 40D
 
Canon XTi« » 5.0 in 3.3 in 2.6 in 19.6 oz 370 n Aug 2006 799- i Canon XTi
 
Panasonic LX100« » 4.5 in 2.6 in 2.2 in 13.9 oz 300 n Sep 2014 899 i i Panasonic LX100
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

 

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon G1 X Mark II features an 1.5-inch sensor and the Canon XSi an APS-C sensor. The sensor area in the XSi is 26 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.85 and 1.6. The sensor in the G1X Mark II has a native 4:3 aspect ratio, while the one in the XSi offers a 3:2 aspect.

In terms of chip-set technology, the G1X Mark II uses a more advanced image processing engine (DIGIC 6) than the XSi (DIGIC 3), with benefits for noise reduction, color accuracy, and processing speed.

Canon G1 X Mark II and Canon XSi sensor measures

Despite having a smaller sensor, the Canon G1 X Mark II offers a higher resolution of 13 megapixels, compared with 12.2 MP of the Canon XSi. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.49μm versus 5.19μm for the XSi). However, it should be noted that the G1X Mark II is much more recent (by 6 years) than the XSi, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The Canon PowerShot G1 X Mark II has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Canon EOS Rebel XSi are ISO 100 to ISO 1600 (no boost).

G1X Mark II versus XSi MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Canon G1 X Mark II» 1.5-inch 13.0 4160 31201080/30p21.510.858158Canon G1 X Mark II
 
Canon XSi« APS-C 12.2 4272 2848-21.910.869261Canon XSi
 
Canon T6i« » APS-C 24.0 6000 40001080/60p22.712.091971Canon T6i
 
Canon T6s« » APS-C 24.0 6000 40001080/30p22.612.091570Canon T6s
 
Canon XC10« » 1-inch 12.0 4000 30004K/30p----Canon XC10
 
Canon SX60« » 1/2.3 14.2 4608 30721080/60p19.210.812739Canon SX60
 
Canon G16« » 1/1.7 12.0 4000 30001080/60p21.011.723054Canon G16
 
Canon S120« » 1/1.7 12.0 4000 30001080/60p21.311.924656Canon S120
 
Canon G1 X« » 1.5-inch 14.2 4352 32641080/24p21.710.864460Canon G1 X
 
Canon T4i« » APS-C 17.9 5184 34561080/30p21.711.272262Canon T4i
 
Canon T3« » APS-C 12.2 4272 2848720/30p21.911.075562Canon T3
 
Canon T1i« » APS-C 15.1 4752 31681080/20p21.711.566363Canon T1i
 
Canon 40D« » APS-C 10.1 3888 2592-22.111.370364Canon 40D
 
Canon XTi« » APS-C 10.1 3888 2592-22.111.066462Canon XTi
 
Panasonic LX100« » Four Thirds 12.7 4112 30884K/30p22.312.555367Panasonic LX100

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The G1X Mark II indeed provides movie recording capabilities, while the XSi does not. The highest resolution format that the G1X Mark II can use is 1080/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the XSi has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G1X Mark II relies on live view and the rear LCD for framing. That said, the G1X Mark II can be equipped with an optional viewfinder – the EVF-DC1. The following table reports on some other key feature differences and similarities of the Canon G1 X Mark II, the Canon XSi, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Canon G1 X Mark II»- n 3.0 1040 tilting Y 1/4000s 5.2 Y Y Canon G1 X Mark II
 
Canon XSi«optical n 3.0 230 fixed n 1/4000s 3.5 Y n Canon XSi
 
Canon T6i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6i
 
Canon T6s« »optical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6s
 
Canon XC10« »- n 3.0 1030 tilting Y 1/2000s 3.8 n Y Canon XC10
 
Canon SX60« »922 n 3.0 922 swivel n 1/2000s 6.4 Y Y Canon SX60
 
Canon G16« »optical n 3.0 922 fixed n 1/4000s 2.2 Y Y Canon G16
 
Canon S120« »- n 3.0 922 fixed Y 1/2000s 12.1 Y Y Canon S120
 
Canon G1 X« »optical n 3.0 922 Swivel n 1/4000s 1.9 Y Y Canon G1 X
 
Canon T4i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T4i
 
Canon T3« »optical n 2.7 230 fixed n 1/4000s 3.0 Y n Canon T3
 
Canon T1i« »optical n 3.0 920 fixed n 1/4000s 3.4 Y n Canon T1i
 
Canon 40D« »optical Y 3.0 230 fixed n 1/8000s 6.5 Y n Canon 40D
 
Canon XTi« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Canon XTi
 
Panasonic LX100« »2764 n 3.0 921 fixed n 1/4000s 11.0 n Y Panasonic LX100

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G1X Mark II has a touchscreen, while the XSi has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The G1X Mark II has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the XSi does not have a selfie-screen.

The Canon G1 X Mark II has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The G1X Mark II writes its imaging data to SDXC cards, while the XSi uses SDHC cards. The G1X Mark II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the XSi cannot take advantage of Ultra High Speed SD cards.

 

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon PowerShot G1 X Mark II and Canon EOS Rebel XSi and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon G1 X Mark II»Ystereomono--mini2.0YY-Canon G1 X Mark II
 
Canon XSi«Y----mini2.0---Canon XSi
 
Canon T6i« »YstereomonoY-mini2.0YY-Canon T6i
 
Canon T6s« »YstereomonoY-mini2.0YY-Canon T6s
 
Canon XC10« »YstereomonoYYmini2.0YY-Canon XC10
 
Canon SX60« »YstereomonoY-mini2.0YY-Canon SX60
 
Canon G16« »Ystereomono--mini2.0Y--Canon G16
 
Canon S120« »-stereomono--mini2.0Y--Canon S120
 
Canon G1 X« »Ystereomono--mini2.0---Canon G1 X
 
Canon T4i« »YstereomonoY-mini2.0---Canon T4i
 
Canon T3« »Ystereomono--mini2.0---Canon T3
 
Canon T1i« »Ymonomono--mini2.0---Canon T1i
 
Canon 40D« »Y-----2.0---Canon 40D
 
Canon XTi« »Y-----2.0---Canon XTi
 
Panasonic LX100« »Ystereomono--micro2.0YY-Panasonic LX100

It is notable that the G1X Mark II offers wifi support, while the XSi does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

The G1X Mark II is a recent model that features in the current product line-up of Canon. In contrast, the XSi has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the XSi was succeeded by the Canon T1i. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.


Review summary

So what is the bottom line? Is the Canon G1 X Mark II better than the Canon XSi or vice versa? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Canon PowerShot G1 X Mark II:

  • Better jpgs: Has a more modern image processing engine (DIGIC 6 vs DIGIC 3).
  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (5.2 vs 3.5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with a built-in lens, while the XSi requires a separate lens.
  • More compact: Is smaller (116x74mm vs 129x98mm) and thus needs less room in the bag.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 6 years of technical progress since the XSi launch.


Reasons to prefer the Canon EOS Rebel XSi:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (500 versus 240) out of a single battery charge.
  • More heavily discounted: Has been around for much longer (launched in January 2008).

If the number of relative strengths (bullet points above) is taken as a guide, the G1X Mark II is the clear winner of the match-up (15 : 4 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G1X Mark II 15:04 XSi

How about other alternatives? Do the specifications of the Canon G1 X Mark II and the Canon XSi place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the G1X Mark II or the XSi perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon G1 X Mark II»+77/1004/54/54.5/5 Feb 2014 799 i i Canon G1 X Mark II
 
Canon XSi«+ ++ +4/55/54.5/5 Jan 2008 799- i Canon XSi
 
Canon T6i« »-75/1004.5/54.5/54.5/5 Feb 2015 749- i Canon T6i
 
Canon T6s« »+77/1004.5/54.5/54.5/5 Feb 2015 649- i Canon T6s
 
Canon XC10« »-80/100--- Apr 2015 2,499- i Canon XC10
 
Canon SX60« »+ +75/1004/5-4.5/5 Sep 2014 549- i Canon SX60
 
Canon G16« »+-4.5/54.5/54.5/5 Aug 2013 549 i i Canon G16
 
Canon S120« »+ +-4.5/5o4.5/5 Aug 2013 449- i Canon S120
 
Canon G1 X« »+76/1004/54/54.5/5 Jan 2012 799- i Canon G1 X
 
Canon T4i« »+ +77/1004.5/54.5/54.5/5 Jun 2012 849- i Canon T4i
 
Canon T3« »80/10069/1004/54/54.5/5 Feb 2011 449- i Canon T3
 
Canon T1i« »+ +74/1004.5/55/54.5/5 Mar 2009 799- i Canon T1i
 
Canon 40D« »+ ++ +4.5/5o4.5/5 Aug 2007 1,299- i Canon 40D
 
Canon XTi« »+ ++ +o4.5/54/5 Aug 2006 799- i Canon XTi
 
Panasonic LX100« »+ +85/1005/54/55/5 Sep 2014 899 i i Panasonic LX100
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon G1 X Mark II:
Check Amazon price
Canon XSi:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon G1 X Mark II vs Canon XSi

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon G1 X Mark II Canon XSi
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-120mm f/2.0-3.9 Canon EF mount lenses
    Launch Date February 2014 January 2008
    Launch Price USD 799 USD 799
    Sensor Specs Canon G1 X Mark II Canon XSi
    Sensor Technology CMOS CMOS
    Sensor Format 1.5" Sensor APS-C Sensor
    Sensor Size 18.7 x 14.0 mm 22.2 x 14.8 mm
    Sensor Area 261.8 mm2 328.56 mm2
    Sensor Diagonal 23.4 mm 26.7 mm
    Crop Factor 1.85x 1.6x
    Sensor Resolution 13 Megapixels 12.2 Megapixels
    Image Resolution 4160 x 3120 pixels 4272 x 2848 pixels
    Pixel Pitch 4.49 μm 5.19 μm
    Pixel Density 4.96 MP/cm2 3.70 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 100-12800 ISO 100-1600 ISO
    Image Processor DIGIC 6 DIGIC 3
    DXO Sensor Quality (score) 58 61
    DXO Color Depth (bits) 21.5 21.9
    DXO Dynamic Range (EV) 10.8 10.8
    DXO Low Light (ISO) 581 692
    Screen Specs Canon G1 X Mark II Canon XSi
    Viewfinder Type Viewfinder optional Optical viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.54x
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 230k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon G1 X Mark II Canon XSi
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 5.2 shutter flaps/s 3.5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDHC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Canon G1 X Mark II Canon XSi
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Canon G1 X Mark II Canon XSi
    Battery Type NB-12L LP-E5
    Battery Life (CIPA)240 shots per charge500 shots per charge
    Body Dimensions 116 x 74 x 66 mm
    (4.6 x 2.9 x 2.6 in)
    129 x 98 x 62 mm
    (5.1 x 3.9 x 2.4 in)
    Camera Weight 553 g (19.5 oz) 524 g (18.5 oz)

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