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Little did those disgruntled Prime owners know it would actually be a long time before the TF700 ever became available. Now, we're finally hearing it will go on sale in the US in mid-July, at which point the Prime is expected to drop in price before it gets discontinued. But is the TF700 all that much of an improvement over the original? And how does it stack up against comparably priced tablets, such as the new iPad, Acer Iconia Tab A700 and Toshiba Excite 10? Check out our early review to find out.
ASUS Transformer Pad Infinity TF700 review
Hardware
Everything about the TF700 is reminiscent of the original Transformer Prime.
You've seen this tablet before -- and no, we're not referring to the time we handled it at Mobile World Congress. Everything about the TF700 -- the thin shape, that spun metal lid, the gold and purple color options -- is reminiscent of the original Transformer Prime. With the device powered off, the only noticeable difference is that the back cover now has a thin strip of plastic stretching across the top, presumably to improve signal reception. Otherwise, it's as sturdy and well-built as any other Transformer tablet, though it's slightly chubbier at 1.3 pounds / 0.33 inches thick (versus 1.28 pounds / 0.32 inches for the Prime). Does that extra hundredth of an inch make a difference? Not for us, anyway.
Taking a tour around the device, the selection of ports hasn't changed either. On the bottom, there's a trio of connectors allowing the tablet to fit snugly in the optional keyboard dock. The left landscape side is home to a micro-HDMI socket, along with a 3.5mm headphone jack and uncovered microSD slot. On the top edge, meanwhile, you'll find a volume rocker and the all-important power / lock button. Flip the tablet around and you'll find the same 8-megapixel, f/2.2 camera used on the lower-end TF300, along with an LED flash. As with other Transformer tablets, there's also a 2-megapixel webcam tucked into the front bezel.
Display and sound
So what has changed? The display, for starters. Yes, this has a 10-inch, FHD IPS (make that Super IPS+) screen, just like the Prime, but this time it trades a 1,280 x 800 pixel count for 1,920 x 1,200 resolution. Yes, it's crisp, even if it is not quite as stunning as the 2,048 x 1,536 Retina display. The viewing angles are wide -- so wide, in fact, that you can easily watch a movie with the tablet placed face-up on a table in front of you (not that you'd need to do this with the keyboard dock).
Still, with the default settings enabled, the screen glare sometimes overpowers whatever's on screen. In situations like that, you'll want to flip on Super IPS+ mode, which bumps the brightness to a staggering 600 nits. Once we did that, we had no problem framing still shots while standing in direct sunlight. And hey, even if you don't plan on taking this outside the home, you might find that the Super IPS+ feature makes it a bit easier to use the tablet near a window, or in an office with harsh overhead lights.
We did find one flaw with the display: it's bonded in such a way that if you press down on the screen you'll see air pockets form beneath your fingers. This isn't the first time we've seen this on a tablet, but it's also not the sort of thing we'd expect to find on a premium $500 product.
Keyboard dock
The whole setup is actually rather sturdy, but we've always felt the dock is a little too scratch-prone; it tends to scuff more easily than the tablet itself. We'd also caution you that when the tablet is docked inside the keyboard the weight distribution becomes lopsided -- so much so that unless you angle the display just so the whole thing might tumble backward off your lap. Thankfully, this should be less of an issue if you place the dock on an airplane tray, or some other flat surface.
And by the way, we're using that flight scenario quite deliberately. As cramped and flimsy as this keyboard is, it feels like an improvement over the touchscreen when it comes to pecking out short web searches and answering emails on the go. But we would never suggest a student use this to bang out 10-page term papers -- heck, we're loathe to even write 3,000-word reviews on it. Keys this shallow and this crowded simply can't take the place of a standalone laptop, but they're at least convenient when you find yourself with no other options. So go ahead and splurge on the keyboard, but think of it as a travel accessory and not the missing ingredient for some magical, low-cost laptop replacement.
As we hinted at earlier, the best thing about the TF700's keyboard dock is that, well... you don't necessarily need it. Back when we reviewed the mid-range Transformer Pad TF300, many readers were upset to learn that they couldn't re-use their OG Transformer dock, meaning if they wanted to upgrade they'd have to buy a new tablet and a new keyboard, to boot. Here, there are no such compatibility issues: the TF700 will work with the dock belonging to the original Prime. That's good news for fed-up Prime owners who've had enough of the GPS issues but don't have a reason to trade in the dock, per se.
Performance
| ASUS Transformer Pad Infinity TF700 ($499) | Toshiba Excite 10 ($450) | ASUS Transformer Prime ($499, pending price cuts) | |
|---|---|---|---|
| Quadrant | 4,685 | 4,016 | 4,137 |
| Vellamo | 1,475 | 1,471 | 1,418 |
| AnTuTu | 12,027 | 10,521 | 10,269 |
| SunSpider 0.9.1 (ms) | 2,012 | 1,939 | 1,861 |
| GLBenchmark Egypt Offscreen (fps) | 75 | 62 fps | 68 fps |
| CF-Bench | 7,874 | 12,012 | 11,861 |
| SunSpider: lower scores are better |
|||
Like last year's Prime, the TF700 packs a quad-core Tegra 3 chip, though this time the clock speeds reach 1.7GHz with single-core performance and 1.6GHz when two to four cores are in use. (Compare that with 1.4GHz and 1.3GHz, respectively, for the Prime.) This tablet, too, has 1GB of RAM, but the memory is now of the DDR3 variety.
So what does that mean in terms of actual performance? Well, if benchmarks are to be believed, the TF700 is faster than the Transformer Prime and Tegra 3-packing Toshiba Excite 10, but only slightly. Heck, on Vellamo, it beat the Excite 10 by a mere four points, and actually lost to it in SunSpider by about 50. Unarmed with raw numbers, it's near-impossible to tell the difference.
As we've said in previous reviews, Tegra 3 shines most in gaming. When we played titles like Temple Run, Big Top THD and Zen Pinball, we enjoyed smooth graphics, though more than once the screen failed to respond to our swipes (so much for sliding under a tree trunk to escape those monkeys). In fact, finger input sometimes didn't register when we were simply navigating the OS (fortunately, this wasn't too frequent). We also observed a few other hiccups: apps were sometimes sluggish in opening and closing, and the camera application downright halted when we tapped the home button to exit.
| Power Saving | Balanced | Performance | |
|---|---|---|---|
| Quadrant | 2,045 | 4,685 | 4,714 |
| Vellamo | 1,007 | 1,475 | 1,573 |
| AnTuTu | 5,498 | 12,027 | 12,421 |
| SunSpider 0.9.1 (ms) | 2,857 | 2,012 | 1,745 |
| GLBenchmark Egypt Offscreen (fps) | 75 | 75 | 75 |
| CF-Bench | 3,815 | 7,874 | 8,357 |
| SunSpider: lower scores are better |
|||
Like every other Transformer tablet ASUS has produced, the TF700 has not one, but three battery modes: Power Saving, Balanced and Performance. For the purpose of making comparisons with other devices, we used the default Balanced setting, but we were also curious to see how each of these three power management profiles had an impact on overall performance. Running the same benchmarks in each mode, we found that there's not much of a benefit to using the Performance settings: the battery will drain faster, and the difference in scores between this and Balanced mode is actually quite modest. On the other hand, if you flip to Power Saving mode you can expect your scores to plummet, sometimes by more than half compared to what you'd otherwise get in Balanced mode.
Battery life
| Tablet | Battery Life |
|---|---|
| ASUS Transformer Pad Infinity TF700 | 9:25 / 14:43 (keyboard dock) |
| Samsung Galaxy Tab 7.7 | 12:01 |
| Apple iPad 2 | 10:26 |
| Acer Iconia Tab A510 | 10:23 |
| ASUS Eee Pad Transformer Prime | 10:17 / 16:34 (keyboard dock) |
| Samsung Galaxy Tab 10.1 | 9:55 |
| Apple iPad (2012) | 9:52 (HSPA) / 9:37 (LTE) |
| Apple iPad (2011) | 9:33 |
| Toshiba Excite 10 | 9:24 |
| Motorola Xoom 2 | 8:57 |
| Samsung Galaxy Tab 2 10.1 | 8:56 |
| HP TouchPad | 8:33 |
| ASUS Transformer Pad TF300 | 8:29 / 12:04 (keyboard dock) |
| Acer Iconia Tab A200 | 8:16 |
The TF700 packs a 25Wh battery rated for up to nine and a half hours of runtime. Indeed, it lasted nine hours and 25 in our battery rundown test, which involves looping a video with WiFi on and the brightness fixed at 50 percent. That's still not as impressive a showing as the Prime, whose 25Wh cell lasted 10-plus hours in the same test. It also doesn't match the Acer Iconia Tab A510, new iPad or last year's iPad 2. That said, 9.5 hours should be plenty for most users, and it's longer than many other 10-inch tablets are capable of.
Meanwhile, the 19.5Wh battery inside the keyboard dock promises to add an extra five hours or so of runtime. With the help of that dock, the tablet was able to last 14 hours and 43 minutes on the same video run down test. It's also worth noting that if you choose to use the OG Prime's dock you should enjoy even longer runtime, as the battery there is rated at 22Wh, compared with 19.5.
A quick note on charging: though you can use the included cable to charge the tablet over USB, that convenience doesn't apply to the keyboard dock. To charge that piece of equipment, you'll need to find yourself a power outlet.
Update: And the results are in: the TF700 lasted 14 hours and 43 minutes in our video rundown test, with the keyboard dock attached.
Camera
As we mentioned back in the hardware walk-through, the TF700 has the same 8-megapixel, f/2.2 camera module as the TF300, except this guy also includes an LED flash for slightly better low-light shots. As you'll see in that gallery down there, the image quality is hardly perfect, but it's certainly better than what you'll get from most tablets. Though the camera struggles in harshly backlit situations, it does a better job of capturing close-ups than pretty much any other tablet we've tested. The autofocusing camera is also quick to lock in on subjects, and though we had the option of tapping to focus, we found we rarely needed this feature; the camera usually identified the most salient aspect of the shot on its own. Predictably, the auto-focusing sensor was most likely to stumble in dimmer conditions, though our low-light samples weren't actually that grainy. As it turns out, this wasn't just us being optimistic: ASUS has indeed tweaked the flash since releasing the original Transformer Prime
That 8-megapixel camera is also capable of recording 1080p video, and we were similarly pleased with the level of detail in slower-moving clips. Unfortunately, though, you're likely to notice some ghosting once you start recording more high-octane scenes, like bicyclists riding by at a fast clip. As for audio quality, we appreciated that the dual mics picked up on background noise such as conversations and street music, but unfortunately they don't do nearly as good a job canceling wind noise (or, in our case, the sound of a mild breeze).
Software
As you'd expect of any mid-2012 tablet, the TF700 ships with Ice Cream Sandwich (version 4.0.3, to be exact). But whereas Samsung has been known to TouchWiz a tablet or five, ASUS' tabs are among the few tablets we've seen lately that run vanilla Android. Boot up the Transformer for the first time and you'll see a weather widget waiting for you, but rest assured that you can chuck it in the trash if you find it really offensive. Ditto for the raft of pre-installed apps, which include Amazon Kindle, App Backup, App Locker, separate download and file managers, Glowball, Movie Studio, MyCloud, MyLibrary, MyNet, Netflix, a so-called People hub, Polaris Office, Press Reader, TegraZone Games and Zinio's magazine reader. A heavy load, but at least everything here is uninstallable. And hey, you could do much worse than bloatware: ASUS at least didn't muck with key UI elements, such as the clock or settings tray.Also, as a nice added bonus, you get 8 gigs of complimentary lifetime ASUS WebStorage (the company used to offer unlimited space, but it was only free for the first year.)
The competition
The TF700 doesn't offer many reasons for existing Prime owners to upgrade.With a 1,920 x 1,200 screen and a $499 starting price to match, there's little question that the TF700 was intended as a top-shelf device. By now, most tablet makers have lowered the price of their goods, leaving the Infinity with only a handful of competitors in the five-hundred-dollar range. Starting with the obvious, there's the new iPad, whose 2,048 x 1,536 Retina display is the densest you'll find on any tablet. Spec watchers will note the entry-level iPad comes with 16GB of storage, not 32GB, and that it wasn't designed to be used with a keyboard dock, per se (not that there's any shortage of third-party options). Still, the iPad's screen is definitively the nicer of the two, and the iPad also delivers smoother performance; it just doesn't stumble the way the TF700 sometimes does.
Prefer an Android device, after all? The new Acer Iconia Tab A700 also has a 10-inch, 1,920 x 1,200 screen, along with a Tegra 3 processor and 1GB of RAM. All told, these are similar specs, except Acer's model costs $50 less and runs a slightly more skinned version of Android. As it happens, we're in the process of testing one now, but aren't quite ready to post our impressions and benchmarks results. In the meantime, then, it's at least safe to say that the A700 sits in the same class as the Infinity TF700 and is definitely worth your consideration.
You know who hasn't given up on $500 tablets either? Toshiba, of all companies. After striking out with its Thrive lineup, the company has mostly found its way with the Excite 10, a $450 tablet that offers longer battery life and a slimmer design. Without question, it's the best tablet Toshiba has made to date, but is it the best Ice Cream Sandwich tablet at this price? Not really -- not when you take into account the Excite's performance hiccups and lackluster camera.
It's also worth noting that the TF700 could face competition from within the Transformer line: the original Prime is likely to see price drops, and we still recommend it on account of its epic battery life and similarly strong camera. (Cons: it has a lower-res display and has been known to have unreliable reception, not that that has ever been an issue for us.) Meanwhile, the TF300 costs $120 less than the entry-level TF700, and its performance and battery life aren't so far off what you'll get from this new top-shelf model.
Wrap-up
If it is a crisp display you're after, you'd be foolish not to at least consider the new iPad: For the same money, it offers a stunning 2,048 x 1,536 panel -- and it doesn't suffer from as many performance hiccups as the TF700 either. Still, if you're in the market for a new Android tablet, specifically, the TF700 should absolutely be on your shortlist: It's among the best Ice Cream Sandwich tablets you'll find at any price.
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