Sony Xperia Ion (AT&T) review: Sony Xperia Ion (AT&T)

Somehow didn't catch "tJohn Carter" in the Theater? Sony Video Unlimited has you covered. Brian Bennett/CNET

One of the Sony Xperia Ion's standout features is its high-resolution 12-megapixel camera. Sony also touts the fast capture time of the sensor. While I can confirm that the phone's camera indeed snaps pictures quickly, in under second, the autofocus is a bit sluggish, latching on in about half a second. All this adds up to pokey picture taking, especially when stacked against the HTC One X and Samsung Galaxy S III, both of which essentially fire off images instantly.

The Xperia does have a few nice camera settings, including scene modes like Landscape, Portrait Night, and Party, just to name a few. There are extra modes too, such as Panorama and 3D Panorama, if you're so inclined.

Images I snapped with the camera were acceptable but far from great. Compared with the HTC One X's output, despite the Sony's vaunted 12-megapixel image resolution, shots were soft, less detailed, and full of noise. In the Xperia Ion's defense, it captured color more accurately than HTC's flagship handset. Frankly, though, I found the images I captured with the Nokia Lumia 900 clearer and more satisfying.

Details were soft and color noise rampant in our still-life shot. Brian Bennett/CNET

The Xperia Ion's backlit sensor was able to handle tough lighting but details were flat and processing heavy. Brian Bennett/CNET

This kid is cute but the image is dark considering the strong sunshine. Brian Bennett/CNET

Similarly, the Ion's camcorder recorded 720p-resolution movies that exhibited soft details and washed-out color. I also noticed a few stutters from time to time.

As it's packing a 1.5GHz dual-core Qualcomm Snapdragon S3 processor instead of the more recent S4 chips driving the HTC One X and Samsung Galaxy S III (also 1.5GHz dual-core CPUs), I wasn't surprised to see the Xperia Ion turn in comparatively slow performance. The phone logged a Linpack Multi-Thread score of 88.6 MFLOPs, completed in 1.9 seconds. By contrast the HTC One X notched a much higher 170.2 MFLOPs in half the time, or 0.99 second. Samsung's latest dream handset, the Galaxy S III, beat back both, recording 175.7 MFLOPs in 0.96 second.

Sony Xperia Ion
The Sony Xperia Ion delivered blistering 4G speeds on AT&T's LTE network. Brian Bennett/CNET

My everyday usage of the Xperia Ion bore these numbers out. The phone felt very sluggish even during ordinary tasks like opening menus and the application tray. I even noticed a half-second delay opening apps. Frankly, it's not a very pleasant experience, especially coming from a high-octane handset. Nokia's Lumia 900 feels more responsive even though it runs less-robust hardware.

Besides bringing faster performance, the more efficient Snapdragon S4 CPU is an energy miser. Even so, the Xperia Ion demonstrated some degree of staying power with its Snapdragon S3. In my anecdotal battery test, which involves playing an HD video file continuously, the phone persevered for 7 hours and 57 minutes before expiring. The HTC One X lasted 6 hours and 35 minutes in the same test while the Samsung Galaxy S III trounced all comers, pushing through for a long 9 hours and 24 minutes before finally kicking the bucket. That said, in my experience the Xperia Ion's 1,900mAh battery barely managed to last through a full workday. I suspect the Snapdragon S3 chip uses more juice running on 4G LTE networks than its newer S4 sibling.

Data hogs will certainly appreciate the Xperia Ion's swift connection to AT&T's new LTE network. I managed to suck down data at a fast average clip of 24.7Mbps here in New York. Uploads were speedy too, coming in at an average of 5.8Mbps.

Many give AT&T's voice network a tough time, but in my experience the carrier has delivered rock-solid call quality, at least on the smartphones I've reviewed. The Sony Xperia Ion is no outlier, and I found that voices came in rich and likelike through the phone's earpiece. Callers also said it wasn't immediately clear my voice was being transmitted from a cellular line.

Sony's new $99.99 Xperia Ion offers some good features for its affordable price. The Android smartphone connects to AT&T's blazing-fast 4G LTE data network and opens the door to Sony's vast music and movie entertainment selection, not to mention the growing list of Android apps and services. But don't be fooled by its low cost; the handset is definitely a step behind today's flagship Android devices such as the HTC One X and Samsung Galaxy S III.

Even the Xperia's 12-megapixel camera can't hold a candle to the imaging systems on those high-powered gadgets. A better choice is the Nokia Lumia 900, which for the same price has a more attractive design and better camera. Also, since it's running the less-demanding Windows Phone OS, the Lumia can get away with providing snappy performance for not much cash. But if you're wedded to Android on AT&T, then I suggest saving up for a more capable device.

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