Canon SX530 vs XTi

The Canon PowerShot SX530 HS and the Canon EOS Rebel XTi (labelled Canon 400D in some countries) are two digital cameras that were announced, respectively, in January 2015 and August 2006. The SX530 is a fixed lens compact, while the XTi is a DSLR. The cameras are based on a 1/2.3-inch (SX530) and an APS-C (XTi) sensor. The SX530 has a resolution of 15.9 megapixels, whereas the XTi provides 10.1 MP.

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

Headline Specifications

Canon SX530		Canon XTi
Fixed lens compact camera		Digital single lens reflex
24-1200mm f/3.4-6.5		Canon EF mount lenses
15.9 MP – 1/2.3" sensor		10.1 MP – APS-C sensor
1080/30p Video		no Video
ISO 100-3,200		ISO 100-1,600
No viewfinder, LCD framing		Optical viewfinder
3.0" LCD – 461k dots		2.5" LCD – 230k dots
Fixed screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
1.6 shutter flaps per second		3 shutter flaps per second
210 shots per battery charge		370 shots per battery charge
120 x 82 x 92 mm, 442 g		127 x 84 x 65 mm, 556 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot SX530 HS and the Canon EOS Rebel XTi? 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

An illustration of the physical size and weight of the Canon SX530 and the Canon XTi is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon XTi is notably larger (8 percent) than the Canon SX530. In this context, it is worth noting that neither the SX530 nor the XTi are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the SX530 has a lens built in, whereas the XTi 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 XTi and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the SX530 gets 210 shots out of its Canon NB-6LH battery, while the XTi can take 370 images on a single charge of its Canon NB-2LH power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price	Street Price
1.		Canon SX530	120 mm	82 mm	92 mm	442 g	210	n	Jan 2015	US$ 429	ebay.com
2.		Canon XTi	127 mm	84 mm	65 mm	556 g	370	n	Aug 2006	US$ 799	ebay.com
3.		Canon 40D	146 mm	108 mm	74 mm	822 g	750	n	Aug 2007	US$ 1 299	ebay.com
4.		Canon SX60	128 mm	93 mm	114 mm	650 g	340	n	Sep 2014	US$ 549	ebay.com
5.		Canon SX520	120 mm	82 mm	92 mm	441 g	210	n	Jul 2014	US$ 399	ebay.com
6.		Canon SX540	120 mm	82 mm	92 mm	442 g	205	n	Jan 2016	US$ 399	ebay.com
7.		Canon SX700	113 mm	66 mm	35 mm	269 g	250	n	Feb 2014	US$ 349	ebay.com
8.		Canon SX720	110 mm	64 mm	36 mm	270 g	250	n	Feb 2016	US$ 379	ebay.com
9.		Canon T3	130 mm	100 mm	78 mm	495 g	700	n	Feb 2011	US$ 449	ebay.com
10.		Canon T4i	133 mm	100 mm	79 mm	575 g	440	n	Jun 2012	US$ 849	ebay.com
11.		Canon T5	130 mm	100 mm	78 mm	480 g	500	n	Feb 2014	US$ 449	ebay.com
12.		Canon T6	129 mm	101 mm	78 mm	485 g	500	n	Mar 2016	US$ 449	ebay.com
13.		Canon XS	126 mm	98 mm	65 mm	502 g	500	n	Jun 2008	US$ 449	ebay.com
14.		Canon XT	127 mm	94 mm	64 mm	540 g	400	n	Feb 2005	US$ 899	ebay.com
15.		Nikon L840	113 mm	78 mm	96 mm	538 g	590	n	Feb 2015	US$ 299	ebay.com
16.		Panasonic FZ100	124 mm	82 mm	92 mm	540 g	410	n	Jul 2010	US$ 499	ebay.com
17.		Sony HX90V	102 mm	58 mm	36 mm	245 g	360	n	Apr 2015	US$ 429	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

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. The SX530 was launched at a lower price than the XTi, despite having a lens built in. 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon SX530 features a 1/2.3-inch sensor and the Canon XTi an APS-C sensor. The sensor area in the XTi is 1075 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 1.6. The sensor in the SX530 has a native 4:3 aspect ratio, while the one in the XTi offers a 3:2 aspect.

In terms of chip-set technology, the SX530 uses a more advanced image processing engine (DIGIC 4+) than the XTi (DIGIC II), with benefits for noise reduction, color accuracy, and processing speed.

Despite having a smaller sensor, the Canon SX530 offers a higher resolution of 15.9 megapixels, compared with 10.1 MP of the Canon XTi. 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 1.33μm versus 5.71μm for the XTi). However, it should be noted that the SX530 is much more recent (by 8 years and 4 months) than the XTi, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the SX530 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Canon SX530 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the SX530 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. The corresponding values for the Canon XTi are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.

The Canon PowerShot SX530 HS has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Canon EOS Rebel XTi are ISO 100 to ISO 1600 (no boost).

In terms of underlying technology, the SX530 is build around a BSI-CMOS sensor, while the XTi uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics

		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Canon SX530	1/2.3	15.9	4608	3456	1080/30p	20.2	11.6	712	47
2.		Canon XTi	APS-C	10.1	3888	2592	none	22.1	11.0	664	62
3.		Canon 40D	APS-C	10.1	3888	2592	none	22.1	11.3	703	64
4.		Canon SX60	1/2.3	14.2	4608	3072	1080/60p	19.2	10.8	127	39
5.		Canon SX520	1/2.3	15.9	4608	3456	1080/30p	20.1	11.5	672	46
6.		Canon SX540	1/2.3	20.2	5184	3888	1080/60p	20.3	11.7	806	48
7.		Canon SX700	1/2.3	15.9	4608	3456	1080/60p	20.1	11.4	629	45
8.		Canon SX720	1/2.3	20.2	5184	3888	1080/60p	20.3	11.8	817	48
9.		Canon T3	APS-C	12.2	4272	2848	720/30p	21.9	11.0	755	62
10.		Canon T4i	APS-C	17.9	5184	3456	1080/30p	21.7	11.2	722	62
11.		Canon T5	APS-C	17.9	5184	3456	1080/30p	21.9	11.3	724	63
12.		Canon T6	APS-C	17.9	5184	3456	1080/30p	22.0	11.7	781	66
13.		Canon XS	APS-C	10.1	3888	2592	none	22.0	10.9	719	62
14.		Canon XT	APS-C	8.0	3456	2304	none	21.8	10.8	637	60
15.		Nikon L840	1/2.3	15.9	4608	3456	1080/60i	20.2	11.6	721	47
16.		Panasonic FZ100	1/2.3	14.0	4320	3240	1080/60i	19.4	10.7	306	39
17.		Sony HX90V	1/2.3	18.0	4896	3672	1080/60p	20.2	11.6	738	47
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The SX530 indeed provides movie recording capabilities, while the XTi does not. The highest resolution format that the SX530 can use is 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the XTi has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the SX530 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon SX530 and Canon XTi in connection with corresponding information for a sample of similar cameras.

Core Features

		Camera Model	Viewfinder (Type or 000 dots)	Control Panel (yes/no)	LCD Specifications (inch/000 dots)	LCD Attach- ment	Touch Screen (yes/no)	Max Shutter Speed *	Max Shutter Flaps *	Built-in Flash (yes/no)	Built-in Image Stab
1.		Canon SX530	none	n	3.0 / 461	fixed	n	1/2000s	1.6/s	Y	Y
2.		Canon XTi	optical	n	2.5 / 230	fixed	n	1/4000s	3.0/s	Y	n
3.		Canon 40D	optical	Y	3.0 / 230	fixed	n	1/8000s	6.5/s	Y	n
4.		Canon SX60	922	n	3.0 / 922	swivel	n	1/2000s	6.4/s	Y	Y
5.		Canon SX520	none	n	3.0 / 461	fixed	n	1/2000s	1.6/s	Y	Y
6.		Canon SX540	none	n	3.0 / 461	fixed	n	1/2000s	5.9/s	Y	Y
7.		Canon SX700	none	n	3.0 / 922	fixed	n	1/3200s	8.5/s	Y	Y
8.		Canon SX720	none	n	3.0 / 922	fixed	n	1/3200s	5.9/s	Y	Y
9.		Canon T3	optical	n	2.7 / 230	fixed	n	1/4000s	3.0/s	Y	n
10.		Canon T4i	optical	n	3.0 / 1040	swivel	Y	1/4000s	5.0/s	Y	n
11.		Canon T5	optical	n	3.0 / 460	fixed	n	1/4000s	3.0/s	Y	n
12.		Canon T6	optical	n	3.0 / 920	fixed	n	1/4000s	3.0/s	Y	n
13.		Canon XS	optical	n	2.5 / 230	fixed	n	1/4000s	3.0/s	Y	n
14.		Canon XT	optical	n	1.8 / 115	fixed	n	1/4000s	3.0/s	Y	n
15.		Nikon L840	none	n	3.0 / 921	tilting	n	1/4000s	7.4/s	Y	Y
16.		Panasonic FZ100	202	n	3.0 / 460	swivel	n	1/2000s	11.0/s	Y	Y
17.		Sony HX90V	638	n	3.0 / 921	tilting	n	1/2000s	10.0/s	Y	Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

The SX530 writes its imaging data to SDXC cards, while the XTi uses Compact Flash 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 SX530 HS and Canon EOS Rebel XTi 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 Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Canon SX530	-	stereo / mono	-	-	mini	2.0	Y	Y	-
2.		Canon XTi	Y	- / -	-	-	-	2.0	-	-	-
3.		Canon 40D	Y	- / -	-	-	-	2.0	-	-	-
4.		Canon SX60	Y	stereo / mono	Y	-	mini	2.0	Y	Y	-
5.		Canon SX520	-	stereo / mono	-	-	mini	2.0	-	-	-
6.		Canon SX540	-	stereo / mono	-	-	mini	2.0	Y	Y	-
7.		Canon SX700	-	stereo / mono	-	-	micro	2.0	Y	Y	-
8.		Canon SX720	-	stereo / mono	-	-	micro	2.0	Y	Y	-
9.		Canon T3	Y	stereo / mono	-	-	mini	2.0	-	-	-
10.		Canon T4i	Y	stereo / mono	Y	-	mini	2.0	-	-	-
11.		Canon T5	Y	mono / mono	-	-	mini	2.0	-	-	-
12.		Canon T6	Y	mono / mono	-	-	mini	2.0	Y	Y	-
13.		Canon XS	Y	- / -	-	-	-	2.0	-	-	-
14.		Canon XT	Y	- / -	-	-	-	2.0	-	-	-
15.		Nikon L840	-	stereo / mono	-	-	micro	2.0	Y	Y	-
16.		Panasonic FZ100	Y	stereo / mono	-	-	mini	2.0	-	-	-
17.		Sony HX90V	-	stereo / mono	-	-	micro	2.0	Y	Y	-

It is notable that the SX530 offers wifi support, while the XTi does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both the SX530 and the XTi have been discontinued, but can regularly be found used on ebay. The XTi was replaced by the Canon Xsi, while the SX530 was followed by the Canon SX540. Further information on the features and operation of the SX530 and XTi can be found, respectively, in the Canon SX530 Manual (free pdf) or the online Canon XTi Manual.

Review summary

So how do things add up? Is the Canon SX530 better than the Canon XTi or vice versa? Below is a summary of the relative strengths of each of the two contestants.

Advantages of the Canon PowerShot SX530 HS:

• More detail: Offers more megapixels (15.9 vs 10.1MP) with a 23% higher linear resolution.
• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• Better jpgs: Has a more modern image processing engine (DIGIC 4+ vs DIGIC II).
• Broader imaging potential: Can record not only still images but also 1080/30p movies.
• Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
• More detailed LCD: Has a higher resolution rear screen (461k vs 230k dots).
• Ready to shoot: Comes with a built-in lens, while the XTi requires a separate lens.
• Less heavy: Is lighter even though it comes with a built-in lens (unlike the XTi).
• 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.
• More affordable: Was introduced at a lower price, despite coming with a built-in lens.
• More modern: Reflects 8 years and 4 months of technical progress since the XTi launch.

Reasons to prefer the Canon EOS Rebel XTi:

• Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
• Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
• Richer colors: The pixel size advantage translates into images with better, more accurate colors.
• More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
• Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
• Easier framing: Has an optical viewfinder for image composition and settings control.
• Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
• Faster burst: Shoots at higher frequency (3 vs 1.6 flaps/sec) to capture the decisive moment.
• More flexible: Makes it possible to change lenses and thus to use specialty optics.
• Longer lasting: Gets more shots (370 versus 210) out of a single battery charge.
• Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
• More heavily discounted: Has been around for much longer (launched in August 2006).

If the count of relative strengths (bullet points above) is taken as a measure, the SX530 comes out slightly ahead of the XTi (13 : 12 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

How about other alternatives? Do the specifications of the Canon SX530 and the Canon XTi place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the SX530 or the XTi. 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 hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.

Expert Camera Reviews

		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price	Street Price
1.		Canon SX530	..	+ +	..	..	4/5	4/5	Jan 2015	US$ 429	ebay.com
2.		Canon XTi	..	+ +	..	+ +	o	4/5	Aug 2006	US$ 799	ebay.com
3.		Canon 40D	..	+ +	..	+ +	4.5/5	4.5/5	Aug 2007	US$ 1 299	ebay.com
4.		Canon SX60	3/5	+ +	..	75/100	4/5	4.5/5	Sep 2014	US$ 549	ebay.com
5.		Canon SX520	..	+	..	..	3.5/5	3.5/5	Jul 2014	US$ 399	ebay.com
6.		Canon SX540	..	..	..	..	..	..	Jan 2016	US$ 399	ebay.com
7.		Canon SX700	..	+ +	..	..	4/5	4/5	Feb 2014	US$ 349	ebay.com
8.		Canon SX720	..	+	..	..	4/5	4.5/5	Feb 2016	US$ 379	ebay.com
9.		Canon T3	..	80/100	..	69/100	4/5	4.5/5	Feb 2011	US$ 449	ebay.com
10.		Canon T4i	4/5	+ +	..	77/100	4.5/5	4.5/5	Jun 2012	US$ 849	ebay.com
11.		Canon T5	3/5	+	..	..	4/5	4.5/5	Feb 2014	US$ 449	ebay.com
12.		Canon T6	4/5	o	4/5	73/100	4/5	4/5	Mar 2016	US$ 449	ebay.com
13.		Canon XS	..	82/100	..	+ +	3.5/5	4.5/5	Jun 2008	US$ 449	ebay.com
14.		Canon XT	..	80/100	..	+ +	o	..	Feb 2005	US$ 899	ebay.com
15.		Nikon L840	..	+ +	..	..	3.5/5	4/5	Feb 2015	US$ 299	ebay.com
16.		Panasonic FZ100	..	+	..	..	4.5/5	4.5/5	Jul 2010	US$ 499	ebay.com
17.		Sony HX90V	4/5	+ +	..	..	4/5	4.5/5	Apr 2015	US$ 429	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

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