Canon G1 X vs Olympus E-400

The Canon PowerShot G1 X and the Olympus E-400 are two digital cameras that were announced, respectively, in January 2012 and September 2006. The G1X is a fixed lens compact, while the E-400 is a DSLR. The cameras are based on an 1.5-inch (G1X) and a Four Thirds (E-400) sensor. The Canon has a resolution of 14.2 megapixels, whereas the Olympus provides 10 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		Olympus E-400
Fixed lens compact camera		Digital single lens reflex
28-112mm f/2.8-5.8		Four Thirds lenses
14.2 MP, 1.5" Sensor		10 MP, Four Thirds Sensor
1080/24p Video		no Video
ISO 100-12,800		ISO 100-1,600
Optical viewfinder		Optical viewfinder
3.0 LCD, 922k dots		2.5 LCD, 215k dots
no rear screen		Fixed screen (not touch-sensitive)
1.9 shutter flaps per second		3 shutter flaps per second
250 shots per battery charge		500 shots per battery charge
117 x 81 x 65 mm, 534 g		130 x 91 x 53 mm, 435 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G1 X and the Olympus E-400? 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 side-by-side display below illustrates the physical size and weight of the Canon G1 X and the Olympus E-400. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures 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 Olympus E-400 is notably larger (25 percent) than the Canon G1 X. In this context, it is worth noting that neither the G1X nor the E-400 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X has a lens built in, whereas the E-400 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 E-400 and their specifications in the Four Thirds Lens Catalog.

Concerning battery life, the G1X gets 250 shots out of its NB-10L battery, while the E-400 can take 500 images on a single charge of its BLS-1 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 (USD)	Street Price
1.		Canon G1 X	117 mm	81 mm	65 mm	534 g	250	n	Jan 2012	799
2.		Olympus E-400	130 mm	91 mm	53 mm	435 g	500	n	Sep 2006	699
3.		Canon G1 X Mark II	116 mm	74 mm	66 mm	553 g	240	n	Feb 2014	799
4.		Canon G16	109 mm	76 mm	40 mm	356 g	360	n	Aug 2013	549
5.		Canon S120	100 mm	59 mm	29 mm	217 g	230	n	Aug 2013	449
6.		Canon SX50	123 mm	87 mm	106 mm	595 g	315	n	Sep 2012	429
7.		Canon T4i	133 mm	100 mm	79 mm	575 g	440	n	Jun 2012	849
8.		Canon T3	130 mm	100 mm	78 mm	495 g	700	n	Feb 2011	449
9.		Canon T1i	129 mm	98 mm	62 mm	520 g	400	n	Mar 2009	799
10.		Canon XSi	129 mm	98 mm	62 mm	524 g	500	n	Jan 2008	799
11.		Leica V-LUX 4	125 mm	87 mm	110 mm	588 g	540	n	Sep 2012	949
12.		Leica V-LUX 3	124 mm	81 mm	95 mm	540 g	410	n	Dec 2011	949
13.		Olympus E-420	130 mm	91 mm	53 mm	440 g	500	n	Mar 2008	599
14.		Olympus E-410	130 mm	91 mm	53 mm	435 g	500	n	Mar 2007	699
15.		Olympus E-510	136 mm	92 mm	68 mm	538 g	750	n	Mar 2007	799
16.		Olympus E-500	130 mm	95 mm	66 mm	479 g	750	n	Sep 2005	599
17.		Panasonic L10	135 mm	96 mm	78 mm	556 g	450	n	Aug 2007	599
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the 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 features an 1.5-inch sensor and the Olympus E-400 a Four Thirds sensor. The sensor area in the E-400 is 14 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.85 and 2.0. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

In terms of underlying technology, both cameras are build around CMOS sensors.

With 14.2MP, the G1X offers a higher resolution than the E-400 (10MP), but the G1X has smaller individual pixels (pixel pitch of 4.30μm versus 4.74μm for the E-400). However, the G1X is a much more recent model (by 5 years and 3 months) than the E-400, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon G1 X implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G1X for good quality output (200 dots per inch) amounts to 21.8 x 16.3 inches or 55.3 x 41.5 cm, for very good quality (250 dpi) 17.4 x 13.1 inches or 44.2 x 33.2 cm, and for excellent quality (300 dpi) 14.5 x 10.9 inches or 36.8 x 27.6 cm. The corresponding values for the Olympus E-400 are 18.2 x 13.7 inches or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inches or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inches or 30.9 x 23.2 cm for excellent quality prints.

The Canon PowerShot G1 X has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Olympus E-400 are ISO 100 to ISO 1600 (no boost).

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. 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 G1 X	1.5-inch	14.2	4352	3264	1080/24p	21.7	10.8	644	60
2.		Olympus E-400	Four Thirds	10.0	3648	2736	none	..	..	..	..
3.		Canon G1 X Mark II	1.5-inch	13.0	4160	3120	1080/30p	21.5	10.8	581	58
4.		Canon G16	1/1.7	12.0	4000	3000	1080/60p	21.0	11.7	230	54
5.		Canon S120	1/1.7	12.0	4000	3000	1080/60p	21.3	11.9	246	56
6.		Canon SX50	1/2.3	12.0	4000	3000	1080/24p	20.3	11.2	179	47
7.		Canon T4i	APS-C	17.9	5184	3456	1080/30p	21.7	11.2	722	62
8.		Canon T3	APS-C	12.2	4272	2848	720/30p	21.9	11.0	755	62
9.		Canon T1i	APS-C	15.1	4752	3168	1080/20p	21.7	11.5	663	63
10.		Canon XSi	APS-C	12.2	4272	2848	none	21.9	10.8	692	61
11.		Leica V-LUX 4	1/2.3	12.0	4000	3000	1080/60p	..	..	..	..
12.		Leica V-LUX 3	1/2.3	12.0	4000	3000	1080/60p	..	..	..	..
13.		Olympus E-420	Four Thirds	10.0	3648	2736	none	21.5	10.4	527	56
14.		Olympus E-410	Four Thirds	10.0	3648	2736	none	21.1	10.0	494	51
15.		Olympus E-510	Four Thirds	10.0	3648	2736	none	21.2	10.0	442	52
16.		Olympus E-500	Four Thirds	8.0	3264	2448	none	..	..	..	..
17.		Panasonic L10	Four Thirds	10.0	3648	2736	none	21.3	10.8	429	55

Many modern cameras are not only capable of taking still images, but can also record movies. The G1X indeed provides movie recording capabilities, while the E-400 does not. The highest resolution format that the G1X can use is 1080/24p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The G1X and the E-400 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The table below summarizes some of the other core capabilities of the Canon G1 X and Olympus E-400 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 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
1.		Canon G1 X	optical	n	3.0	922	Swivel	n	1/4000s	1.9	Y	Y
2.		Olympus E-400	optical	n	2.5	215	fixed	n	1/4000s	3.0	Y	n
3.		Canon G1 X Mark II	optional	n	3.0	1040	tilting	Y	1/4000s	5.2	Y	Y
4.		Canon G16	optical	n	3.0	922	fixed	n	1/4000s	2.2	Y	Y
5.		Canon S120	none	n	3.0	922	fixed	Y	1/2000s	12.1	Y	Y
6.		Canon SX50	202	n	3.0	461	swivel	n	1/2000s	2.2	Y	Y
7.		Canon T4i	optical	n	3.0	1040	swivel	Y	1/4000s	5.0	Y	n
8.		Canon T3	optical	n	2.7	230	fixed	n	1/4000s	3.0	Y	n
9.		Canon T1i	optical	n	3.0	920	fixed	n	1/4000s	3.4	Y	n
10.		Canon XSi	optical	n	3.0	230	fixed	n	1/4000s	3.5	Y	n
11.		Leica V-LUX 4	1312	n	3.0	460	swivel	n	1/4000s	12.0	Y	Y
12.		Leica V-LUX 3	202	n	3.0	460	swivel	n	1/2000s	12.0	Y	Y
13.		Olympus E-420	optical	n	2.7	215	fixed	n	1/4000s	3.5	Y	n
14.		Olympus E-410	optical	n	2.5	215	fixed	n	1/4000s	3.0	Y	n
15.		Olympus E-510	optical	n	2.5	215	fixed	n	1/4000s	3.0	Y	Y
16.		Olympus E-500	optical	n	2.5	215	fixed	n	1/4000s	2.5	Y	n
17.		Panasonic L10	optical	n	2.5	207	swivel	n	1/4000s	3.0	Y	n

The G1X writes its imaging data to SDXC cards, while the E-400 uses Compact Flash or xD Picture cards. The E-400 features dual card slots, which can be very useful in case a memory card fails. In contrast, the G1X only has one slot.

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 and Olympus E-400 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 Port	WiFi Support	NFC Support	Bluetooth Support
1.		Canon G1 X	Y	stereo	mono	-	-	mini	2.0	-	-	-
2.		Olympus E-400	Y	-	-	-	-	-	2.0	-	-	-
3.		Canon G1 X Mark II	Y	stereo	mono	-	-	mini	2.0	Y	Y	-
4.		Canon G16	Y	stereo	mono	-	-	mini	2.0	Y	-	-
5.		Canon S120	-	stereo	mono	-	-	mini	2.0	Y	-	-
6.		Canon SX50	Y	stereo	mono	-	-	mini	2.0	-	-	-
7.		Canon T4i	Y	stereo	mono	Y	-	mini	2.0	-	-	-
8.		Canon T3	Y	stereo	mono	-	-	mini	2.0	-	-	-
9.		Canon T1i	Y	mono	mono	-	-	mini	2.0	-	-	-
10.		Canon XSi	Y	-	-	-	-	mini	2.0	-	-	-
11.		Leica V-LUX 4	Y	stereo	mono	Y	-	mini	2.0	-	-	-
12.		Leica V-LUX 3	Y	stereo	-	-	-	mini	2.0	-	-	-
13.		Olympus E-420	Y	-	-	-	-	-	2.0	-	-	-
14.		Olympus E-410	Y	-	-	-	-	-	2.0	-	-	-
15.		Olympus E-510	Y	-	-	-	-	-	2.0	-	-	-
16.		Olympus E-500	Y	-	-	-	-	-	2.0	-	-	-
17.		Panasonic L10	Y	-	-	-	-	-	2.0	-	-	-

Both the G1X and the E-400 have been discontinued, but can regularly be found used on eBay. The E-400 was replaced by the Olympus E-410, while the G1X was followed by the Canon G1X Mark II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Olympus websites.

Review summary

So how do things add up? Is there a clear favorite between the Canon G1 X and the Olympus E-400? Which camera is better? The listing below highlights the relative strengths of the two models.

Reasons to prefer the Canon PowerShot G1 X:

• More detail: Offers more megapixels (14.2 vs 10MP) with a 19% higher linear resolution.
• Broader imaging potential: Can record not only still images but also 1080/24p 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 (922k vs 215k dots).
• More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
• Ready to shoot: Comes with a built-in lens, while the E-400 requires a separate lens.
• More compact: Is smaller (117x81mm vs 130x91mm) and thus needs less room in the bag.
• Sharper images: Has hand-shake reducing image stabilization built-in.
• More modern: Reflects 5 years and 3 months of technical progress since the E-400 launch.

Advantages of the Olympus E-400:

• Faster burst: Shoots at higher frequency (3 vs 1.9 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 (500 versus 250) out of a single battery charge.
• Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
• More heavily discounted: Has been around for much longer (launched in September 2006).

If the number of relative strengths (bullet points above) is taken as a guide, the G1X is the clear winner of the match-up (9 : 5 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro 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 G1 X and the Olympus E-400 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the G1X or the E-400 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], 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	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price (USD)	Street Price
1.		Canon G1 X	5/5	+	76/100	4/5	4.5/5	Jan 2012	799
2.		Olympus E-400	..	85/100	..	4/5	4/5	Sep 2006	699
3.		Canon G1 X Mark II	3/5	+	77/100	4/5	4.5/5	Feb 2014	799
4.		Canon G16	4/5	+	..	4.5/5	4.5/5	Aug 2013	549
5.		Canon S120	..	+ +	..	4.5/5	4.5/5	Aug 2013	449
6.		Canon SX50	3/5	+ +	72/100	4.5/5	4.5/5	Sep 2012	429
7.		Canon T4i	4/5	+ +	77/100	4.5/5	4.5/5	Jun 2012	849
8.		Canon T3	..	80/100	69/100	4/5	4.5/5	Feb 2011	449
9.		Canon T1i	..	+ +	74/100	4.5/5	4.5/5	Mar 2009	799
10.		Canon XSi	..	+ +	+ +	4/5	4.5/5	Jan 2008	799
11.		Leica V-LUX 4	..	..	..	..	..	Sep 2012	949
12.		Leica V-LUX 3	..	..	..	..	..	Dec 2011	949
13.		Olympus E-420	..	85/100	+ +	4/5	4.5/5	Mar 2008	599
14.		Olympus E-410	..	86/100	+ +	4/5	4.5/5	Mar 2007	699
15.		Olympus E-510	..	89/100	+ +	3.5/5	4.5/5	Mar 2007	799
16.		Olympus E-500	..	76/100	+ +	..	..	Sep 2005	599
17.		Panasonic L10	..	85/100	+	3.5/5	4/5	Aug 2007	599
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu 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 vs Olympus E-400

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.

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