The first Android tablet I ever used was the original Galaxy Tab. It was a 7" Android tablet running Android Froyo, and it seemed a lot like a large version of my Galaxy S. In hindsight, it wasn't a very good tablet, but Samsung was one of the first Android vendors to enter the market and they were working with a version of Android that had never been designed with tablets in mind. As Android moved to Gingerbread and then to the tablet exclusive release of Android Honeycomb, Samsung was always among the group of manufacturers producing Android tablets. While some vendors like LG and HTC have left and returned to the tablet market, Samsung has continually producing new Galaxy Tab tablets, and those tablets constitute a very large portion of the Android tablets that are sold each year. 

While the naming styles of Samsung's tablets have changed over the years, last year the company settled on using the same S moniker that their smartphones have used for years, and that brought us the Galaxy Tab S 10.5 and Galaxy Tab S 8.4. This year Samsung has continued with their Galaxy Tab S naming scheme and has released two new tablets under the Galaxy Tab S2 name. These new tablets bring serious changes to both the hardware and form factors of the original Galaxy Tab S tablets, and I'll be evaluating the larger of the two models. You can view the specs for both tablets and how they compare to their predecessors in the chart below.

Samsung Galaxy Tab S Series
Model Samsung Galaxy Tab S 10.5" Samsung Galaxy Tab S 8.4" Samsung Galaxy Tab S2 9.7" Samsung Galaxy Tab S2 8.0"
SoC Samsung Exynos 5420
4x Cortex A15 @ 1.9GHz
4x Cortex A7 @ 1.3GHz
Mali T628MP6 @ 533MHz
Samsung Exynos 5433
4x Cortex A57 @ 1.9GHz
4x Cortex A53 @ 1.3GHz
Mali T760MP6 @ 700MHz
RAM 3GB LPDDR3
NAND 16/32GB NAND + microSDXC 32/64GB NAND + microSDXC
Display 10.5" 2560x1600 SAMOLED 8.4" 2560x1600 SAMOLED 9.7" 2048x1536 SAMOLED 8.0" 2048x1536 SAMOLED
Dimensions 247.3 x 177.3 x 6.6mm 212.8 x 125.6 x 6.6mm 169 x 237.3 x 5.6mm, 389g 134.8 x 198.6 x 5.6mm, 265g
Camera 8MP Rear Facing. 2.1MP Front Facing
Battery 7900mAh
(30Wh)
4900mAh
(18.6Wh)
5870mAh (22.3Wh) 4000mAh
(15.2Wh)
OS Android 4.4.2 KitKat Android 5.0 Lollipop
Connectivity 2x2 802.11a/b/g/n/ac + BT 4, GNSS, microUSB 2.0
Launch Price $499 $399 $499 $399

As far as specs go, we're looking at some serious upgrades, and some changes that may be seen as sidegrades or even downgrades. First and foremost, the SoC receives an enormous bump from Exynos 5420 to Exynos 5433. Unfortunately, like the Galaxy Note 4 Exynos, the Galaxy Tab S2 still has a 32bit kernel and runs in AArch32 mode. Fortunately this doesn't really have any significant performance implications, but I thought it was worth noting for anyone that may be interested.

Moving beyond the SoC, you may notice that the resolutions and sizes of the displays change substantially. Samsung, like many other vendors, is finally moving away from the 16:10 aspect ratio and adopting a 4:3 display ratio which is very close to the 8.5x11" paper used in North America, although not as close to the A series paper used in most other countries. Samsung has settled on 8.0" and 9.7", the latter of which surprises me as it's the exact same size as the standard iPad despite Samsung being able to make displays of whatever size they wish.

What's interesting is that in moving to a new aspect ratio and smaller sizes, both displays lose almost a million pixels of resolution. The drop in PPI on the larger model is fairly significant too, from 288ppi on the Tab S 10.5" to 264ppi on the Tab S2 9.7" In practice I really don't think this matters that much on the 9.7" Tab S2, as I never felt like any elements of the UI or text looked heavily aliased or fuzzy. That being said, with Samsung making their own OLED displays it would have been perfectly possible to maintain their existing pixel density and just make panels of different sizes.

With the new display sizes come new form factors, and both tablets are substantially thinner and lighter than their predecessors. This also results in a drop in battery capacity as there's only so much room to fit batteries inside the chassis, and how this impacts battery life will be investigated later in the review.

Design

When Samsung announced the Galaxy S6 and S6 Edge I uttered a well-deserved "finally" with regards to the design of the phones. The aluminum and glass construction was a long overdue and greatly appreciated improvement to Samsung's existing industrial design, and I still think the Galaxy S6 is a pretty great looking and feeling device. However, upon seeing that the design really only used a metal frame and a sheet of glass overtop of a plastic back, I immediately knew that there was no way the design would scale up to tablets. There's simply too much fragility in that type of design, especially as you scale it larger. Since I suspected that Samsung still wasn't at the point where they would be producing aluminum unibody tablets, I wasn't surprised by the design of the Tab S2 tablets when they were announced.

Both versions of the Tab S2 have the same thickness, just 5.6mm. The larger model of the two that I am reviewing has a mass of 389 grams. The thickness and mass are enabled by the Tab S2's construction, which consists of a metal frame around the edges of the device but a plastic back cover. This is obviously a trade off, and I'll start with what's good before discussing what negatives come from it. The most obvious advantage is the low mass. When you pick up the Tab S2 you will be amazed that you're holding a full size tablet. You can't really notice a difference between its 5.6mm thickness and the 6.1mm thickness of the iPad Air 2, but the difference made by the lower mass is enormous. This is the first full size tablet I've used where I can honestly say I don't feel fatigued after holding it for a long period, and that's something you can't really accomplish with an aluminum unibody chassis. In that regard, the Tab S2 definitely has an advantage over every other full size tablet that I've used, and it encourages you to use it more and take it with you in situations where you may decide to leave a heavier tablet at home.

Of course, the obvious negative impact is the feel of the device. The metal frame honestly does nothing to improve the feeling of the Tab S2, especially on this white model which has a coating applied to the frame. The coating also doesn't seem very durable, and there were already chips in it by the time the tablet got to me. Overall it just doesn't feel as nice or well-built when you hold it as an aluminum unibody tablet does. What also disappointed me is that even though it's 5.6mm thick, there's still a small degree of flex to the back cover, particularly near the bottom. The materials used in a tablet can also have an impact on thermal performance which could limit performance in sustained workloads.

Making a device ends up really being a balance of trade offs. I love how light the Tab S2 is, but I'm not a huge fan of the materials used. Every consumer will have their own priorities, and I'm sure many people will find that the low mass and small thickness is worth the compromise in materials. It's also worth noting that this year's design is still miles ahead of the terrible dimples and faux leather plastic of the original Tab S, even if it's not at the level of the Venue 8 7840 or the iPad.

While I'm still on the topic of the materials and the back cover, you'll notice above that the back cover has two metal circles on the back. These are used for attaching Samsung's keyboard cover. I actually wasn't able to get the keyboard cover and I haven't seen it on sale anywhere at this point, but the existence of a first party keyboard case is something worth noting. As for the rest of the back cover, it's pretty much just an unbroken piece of plastic apart from the slightly extruding camera stack and the Samsung logo in the middle.

As far as primarily plastic tablets go, the Tab S2 is a pretty good device. I love how light it is, but at the same time I don't feel like the plastic build befits a $500 flagship tablet. It also doesn't feel quite as sturdy as the Venue 10, but I think Samsung's goal was to make a thin and light device that wouldn't be cumbersome to hold and carry around. They definitely succeeded in doing so, and I think that while there's a group of users like myself that feel a $500 device deserves the absolute best construction and materials, there's another group that feels the $500 should go toward making a device as light and portable as possible. 

System Performance
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  • poopsmith - Wednesday, October 21, 2015 - link

    I have, and regularly use, the previous Galaxy Tab S.

    There have been a lot of problems with it, I think fundamental design issues with either poor components or poor cooling. I basically only use it for Netflix and occasional browsing, so I am not pushing it heavily or anything.

    But it crashes surprisingly often, and you have to get familiar with the methods to hard reset it (hold power and volume down button) which are obscure given how often they are necessary.

    Lately I had an issue with the screen flickering and then it freezing after unlocking and I have had to factory reset it twice. (hold power, volume up, and home button on boot).

    The initial user experience is 15 minutes of dodging email signups for creating accounts for the bloatware they install that I have gone through three times now. They also don't let you uininstall much of it. All this mandatory bloatware is probably why it crashes so often in the first place.
    Reply
  • elindalyne - Thursday, October 22, 2015 - link

    Grab a Surface 3... Not a Surface 3 Pro, not a Surface 4 Pro but a 3. Great battery life and you still get full blown Windows 10. You don't even need to get a cover or pen, but having the option is still fabulous. Not to mention the same price as the larger Tab.

    Also, once you use a device with a kickstand, you'll never want to go back.
    Reply
  • UtilityMax - Sunday, October 25, 2015 - link

    I have never seen my Tab S 10.5 crash. I use Netflix, Uverse, and Mx Player regularly. I am guessing you have some kind of hardware issues. I'd recommend to wire cache and return all to factory state, reinstall Netflix and see how it goes. Reply
  • R. Hunt - Thursday, November 26, 2015 - link

    I've had my Tab S for about two months now, it's yet to crash on me. Battery life is not bad at all either. As for the bloatware, it can't be uninstalled but it can be disabled easily. Reply
  • UtilityMax - Sunday, October 25, 2015 - link

    Once again Samsung and its mediocre tablets. Poor performance, poor battery life. Highly inconsistent benchmarks. The only positives are a good screen, an sd card slot, and a discounted price. However, don't fool yourself into thinking that you're getting some kind of a diamond in a rough type of tablet. With this one, you're getting what you're paying for. Reply
  • ayejay_nz - Friday, November 6, 2015 - link

    I bought a Tab S 8.4 about 6 months ago and have been really disappointed with the performance. Not as disappointed as I am with myself for not researching the purchase properly though. This new generation looks just as bad on the performance front : l Reply
  • olibill - Saturday, December 19, 2015 - link

    I have a Galaxy S2 10 and every time I plug in the original charger I get a message saying "Device charging slowly. To charge faster, use original charger " !! Does anyone know why this is, or what I can do about it?
    Thanks a lot.
    Reply
  • Nightsd01 - Wednesday, January 13, 2016 - link

    I've been an Apple guy for a long time. I have been using iOS since before it was even called iOS (first iPhone in 2007). I recently purchased the Galaxy Tab S2 8.0" and it is an amazing tablet. I absolutely love it. The display is stunning and the performance is snappy and fast.

    I purchased it so that I could have an Android device for writing Android apps, as up to this point I've been an iOS-only developer. But I'm ending up using it way more than my iPad, because it's simply more useful. There's just so much more I can do on it than on my ipad. The software isn't so strict and locked down. For example, let's say I want to scan my house WiFi to see what channels my neighbors are using (to avoid interference). On ios the WiFi hardware is very locked down and developers don't get access to it. But on android I can use WiFi scanner apps just fine. I can torrent, etc. And I am loving every minute of using this tablet. Subjectively, the display in my opinion just looks better.
    Reply
  • Nightsd01 - Wednesday, January 13, 2016 - link

    But most important of all, the storage. I bought the 32GB version for $350. Applet is still selling 16GB tablets in the year 2016, which is a JOKE. If Apple had moved to 32GB I might be a little bit less angry. But as it stands, there is NO excuse for Apple to gimp their tablets with ano unbelievable 16GB storage. It's just inexcusable. Reply
  • Thinkubuntu - Thursday, April 28, 2016 - link

    Bought this tablet to watch HVEC encoded movies, despite the CPU ostensibly being capable of doing so it isn't implemented. As a result it struggles to decode even 720p x265 encoding and forget 10 bit! All decoding had to be done in software which kills the battery really quickly.

    For such a otherwise decent tablet this makes it a waste if money and a huge missed opportunity.
    Reply

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