iPhone 7 Camera Test Touts Excellent Exposure, Lower Noise, and Richer Colors

DxO Labs has published an in-depth iPhone 7 camera review, calling it "a very solid evolution over the iPhone 6s" after extensive testing. The single-lens smartphone achieved an overall DxOMark Mobile Score of 86, topping the iPhone 6s by two points but trailing the Samsung Galaxy S7 Edge and five other devices.

iPhone 7 has a wider DCI-P3 color gamut that allows for more vibrant colors compared to the traditional sRGB standard. The photo on the right, for example, rendered using the DCI-P3 color space, has richer reds displayed compared to the photo on the left rendered using the traditional sRGB color space.

dxomark-iphone7-colors-2

One of the interesting innovations in the iPhone 7 is its use of a wider-gamut color space, allowing it to store and display deeper-and-richer colors in its JPEG photos. To take full advantage of this new capability you’ll want to view your images on a color-rich display like that of the iPhone 7 and other Apple devices that support the new DCI-P3 color gamut used by the iPhone 7 and iPhone 7 Plus, or on a premium, color-managed monitor or an Ultra HD TV. Conversely, iPhone 7 photos may look slightly washed-out when viewed on devices that do not support the appropriate color management (DCI-P3), as they would wrongly interpret iPhone7 JPEGs as being encoded in sRGB.

DxO said the iPhone 7 offers great exposures with wide dynamic range, accurate white balance and color rendering, and good detail preservation when shooting outdoors in bright daylight. The test noted some exposure failures, such as overexposed highlights, but said the instances of these were minimal.

dxomark-iphone7-13-1

Shooting in bright light, the iPhone 7 captures very good exposures with wide dynamic range, making it an excellent choice for landscape, streets scenes, and architecture, as well as for general outdoor (daylight) photography. Colors are both vivid and pleasant, especially in sunny conditions, and generally the white balance is stable. We observed some light green casts in some very specific conditions, but they were fairly minimal.

The review also awarded high marks for the iPhone 7 camera's excellent corner-to-corner sharpness, reduced noise, and accurate color representation. DxO shared the photo below as an example of what it called excellent White Balance. The review said, in some cases, a barely noticeable green cast can appear.

dxomark-iphone7-15

Accurate color representation is only possible when the camera correctly estimates the color of light falling on the scene – typically called the White Balance. Part of the job of the camera’s image processing chip is to analyze the scene as it is captured and select a White Balance, ranging from warm to cool, that recreates the scene the way the human eye sees it. The new image signal processor in the iPhone delivers on this test, with images typically showing excellent White Balance.

Additional photos and test results can be found in the DxOMark review. DxO has analyzed the image and video quality of over 9,000 cameras, lenses, and mobile phones, and its tests are generally respected within the industry. The company also sells some consumer-facing products like the DxO ONE camera.

DxO said its iPhone 7 Plus camera review is coming very soon.

Related Forum: iPhone

Top Rated Comments

zen Avatar
83 months ago
The single-lens smartphone achieved an overall DxOMark Mobile Score of 86, topping the iPhone 6s ('https://www.macrumors.com/2015/10/14/camera-lab-test-scores-iphone-6s/') by two points and trailing only the Samsung Galaxy S7 Edge and five other devices.
That's quite some definition of "only" you have there, MacRumours.
Score: 28 Votes (Like | Disagree)
keysofanxiety Avatar
83 months ago
Finally good to see a 7 camera review. All the ones I've read seem to be about the 7+.
Score: 21 Votes (Like | Disagree)
FasterQuieter Avatar
83 months ago
They have gone to such extraordinary lengths to compensate for the smaller sensor, imagine how good the image quality would be if it were larger? I'd take a slightly thicker phone or more pronounced camera bump for this alone.
Score: 11 Votes (Like | Disagree)
_Refurbished_ Avatar
83 months ago
People love to nitpick over which camera is the best of 2016, but if you go less than 10 years ago....this is what we had at our disposal....

http://snapsnapsnap.photos/iphone-6s-camera-comparison/

Im happy it's 2016.
Score: 8 Votes (Like | Disagree)
coolfactor Avatar
83 months ago
Some notes from the review:

The HTC 10, which is currently our top-rated phone camera, and therefore still the gold medalist, was clearly designed to optimize image quality, using a large 10mm phone thickness (“Z” dimension), with an f/1.8 aperture, and a sensor whose area is 60% larger than that of the iPhone 7. This gives the HTC an image quality advantage over the iPhone 7, as confirmed by their respective DxOMark scores of 88 for the HTC 10 and 86 for the iPhone 7, but the HTC 10’s advantage comes at the expense of a thicker handset.

Samsung also made an interesting choice by managing to pack into an equally-thin handset an f/1.7 lens and a sensor whose area is 35% larger than the iPhone 7’s sensor. This combination is what gives the Galaxy S7 Edge its DxOMark score advantage of 88 points, compared to 86 for the iPhone 7. Interestingly, Samsung chose to use a lens with a wider field-of-view to reduce the thickness of the Galaxy S7 Edge, a design choice that’s in the same direction as Sony smartphones, which also combine a larger sensor with a larger field of view.

Result: Thinness AND optimal image quality
While Apple’s flagship phones may have a smaller sensor than their competitors from Samsung and HTC, Apple has incorporated a variety of innovative technologies to create a compelling smartphone experience in a very-thin form factor. This includes high-performance lens design, efficient sensor electronics, built-in optical image stabilization, multi-image synthesis on a high-performance image processing chip, and an advanced image processing pipeline.

So sensor size is a big factor in final image quality. The above suggests that the iPhone camera system may actually have better technology, but the smaller sensor results in a slightly lower score at the end of the day. Equalize the sensor size and then you can truly do an side-by-side comparison of image-processing by each phone.

This also suggests that the iPhone 7 Plus may end up with superior results over every other smartphone, due to its double-camera system (essentially double the effective sensor size).
Score: 7 Votes (Like | Disagree)
ghost187 Avatar
83 months ago
Let's see what the Plus scores. I am very interested in seeing if two lenses work together to make a better image.

This is a reputable review site and there are 7 android phones ranked higher.
Score: 5 Votes (Like | Disagree)

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