As recently as the Galaxy S5, Samsung had a fundamentally different strategy from companies like HTC and Apple. While design wasn’t ignored completely, Samsung Mobile had a different set of priorities. In general, it felt like Samsung wanted the phone to have every feature possible to please every possible potential customer. Features like a removable battery and microSD card slot seemed to be a crucial point of differentiation. TouchWiz focused on delivering a full suite of applications even if they were pretty much redundant when compared to Google’s applications. Samsung also seemed to cost-optimize their external shells, favoring polymer builds over glass or aluminum. Since the Galaxy S, this strategy paid off handsomely. With the help of strong marketing, Samsung proceeded to dominate the Android market from the days of the Galaxy S2, to the point that almost no other Android OEM was relevant in terms of market share.

However, Samsung’s tried and true strategy failed with the Galaxy S5. Fundamentally, Samsung had always been competing with Apple and their iPhone line-up at the high end, but Samsung consistently held a price advantage. The real problem was the rise of low-cost flagship phones, which squeezed Samsung significantly. Other OEMs were able to justify their high-end pricing by delivering a polished software experience and premium hardware design. In comparison to these relatively cheap phones which delivered largely the same experience and hardware, Samsung’s sales crumbled and the Galaxy S5 didn’t meet sales expectations.

This brings us to the Galaxy S6, which is supposed to be Samsung’s attempt at refocusing their product design and lineup. Design has become a major priority, and the Galaxy S6 is a radical departure from previous design in terms of almost every design choice. The Galaxy S6 represents the best that Samsung can make to some extent, as a great deal of the phone is composed of Samsung-made parts to achieve maximum vertical integration as seen in the specs below.

  Samsung Galaxy S5 Samsung Galaxy S6 Samsung Galaxy S6 Edge
SoC MSM8974ACv3 2.45 GHz Snapdragon 801 Exynos 7420 2.1/1.5GHz A57/A53 Exynos 7420 2.1/1.5GHz A57/A53
RAM 2GB LPDDR3 3GB LPDDR4-1552 3GB LPDDR4-1552
NAND 16/32GB NAND + microSD 32/64/128GB NAND 32/64/128GB NAND
Display 5.1” 1080p
SAMOLED HD
5.1” 1440p
SAMOLED
5.1” 1440p
SAMOLED, Dual Edge
Network 2G / 3G / 4G LTE (Qualcomm MDM9x25 UE Category 4 LTE) 2G / 3G / 4G LTE (Category 6 LTE) 2G / 3G / 4G LTE (Category 6 LTE)
Dimensions 142 x 72.5 x 8.1 mm, 145 grams 143.4 x 70.5 x 6.8mm max, 138 grams 142.1 x 70.1 x 7.0mm max, 132 grams
Camera 16MP (5132 x 2988) Rear Facing with 1.12 µm pixels, 1/2.6" CMOS size, 31 mm (35mm effective), f/2.2 16MP (5132 x 2988) Rear Facing w/ OIS, f/1.9, object tracking AF 16MP (5132 x 2988) Rear Facing w/ OIS, f/1.9, object tracking AF
2MP Front Facing 5MP Front Facing, f/1.9 5MP Front Facing, f/1.9
Battery 2800 mAh (10.78 Whr) 2550 mAh (9.81 Whr) 2600 mAh (10.01 Whr)
OS Android 4.4
w/TouchWiz
Android 5 (64-bit) w/TouchWiz Android 5 (64-bit) w/TouchWiz
Connectivity 802.11a/b/g/n/ac 2x2 +
BT 4.0 (BCM4354),
USB3.0, GPS/GNSS, MHL, DLNA, NFC
2x2 802.11a/b/g/n/ac +
BT 4.1 (BCM4358),
USB2.0, GPS/GNSS, NFC
2x2 802.11a/b/g/n/ac +
BT 4.1 (BCM4358),
USB2.0, GPS/GNSS, NFC
Wireless Charging N/A WPC 1.1 (4.6W) &
PMA 1.0 (4.2W)
WPC 1.1 (4.6W) &
PMA 1.0 (4.2W)
Fingerprint Sensor Swipe Touch Touch
SIM Size MicroSIM NanoSIM

NanoSIM

Design

There’s a lot of ground to cover in the Galaxy S6 and S6 edge, but probably the most immediate change is to the design. The Galaxy S6 is a unibody design, with no apparent screws. This does mean that there’s no removable battery or microSD slot, which shouldn’t be a problem for most people although this may be enough for some to write off this phone completely.

The back cover is now glass instead of plastic, and is attached to the phone with glue instead of plastic latches. Regardless of color or model, Samsung has placed an extremely fine pattern beneath the glass that manages to be subtle but also surprisingly brilliant under direct light. It’s tasteful in a way that the Galaxy S5 and Note 4 weren’t. The back of the phone also has a single LED flash, a heart rate monitor, and the camera which bulges out significantly. I personally don’t have a problem with camera humps, but the Galaxy S6’s camera hump is probably the biggest I’ve seen in recent memory.

The glass back cover meets the metal frame of the phone, which provides most of the structural rigidity and strength. On the normal Galaxy S6, this frame has a very slight curve and is almost cylindrical along the top and bottom of the phone, but flattens out along the sides for better grip. The bottom of this frame has the speaker, microUSB port, and 3.5mm headphone jack, which does make for some resemblance with Apple products launched within the last year. At any rate, the placement of the speaker, USB port, and 3.5mm jack are all appropriate for a phone.

The left side of the frame contains the volume buttons, which are clicky and solid, although pressing the buttons off-center does produce a noticeable flex. The right side of the frame has the power button and the nanoSIM slot on the normal version.

On the edge variant, the sides of the frame are dramatically thinner and appear to be angled out when compared to the Galaxy S6. In the hand, this makes it feel much thinner than the S6, but it really feels almost too thin to hold comfortably. Combined with the flat back, it’s really a bit of a struggle to pick up the edge off of a table, which compromises usability when compared to the normal S6.

The top of the frame contains the IR LED for TV capabilities and a hole for a microphone. On the edge variant, the nanoSIM slot is relocated to the top of the phone.

The front of the phone is probably the only aspect of the design that feels relatively similar to the Galaxy S5. However, the texture of the bezel beneath the glass is similar to the subtle finish of the back cover, which makes for a unique visual effect that manages to be tasteful and quite unique. Other than this, we see the same layout as most Galaxy phones, with two capacitive buttons (multitasking on the left, back button on the right) and a physical home button. In the case of the Galaxy S6, this home button has been turned into a fingerprint scanner that is touch-based rather than a swipe sensor. Along the top of the front face, we also see the ambient light sensor, a proximity sensor, the earpiece, and the 5MP front-facing camera. Directly below these items is the display driver beneath the bezel, which is similar to the “logo bar” of the One M7, M8, and every other phone on the market today. On the S6 edge, the sides of the display are curved to reduce the width of the phone, which does make it easier to hold in the hand, but there’s really no bezel reduction here as the side bezels seem to be larger than what we see on the S6.

Overall, the design of the Galaxy S6 and S6 edge is really unlike anything else they’ve produced in recent memory. The phone itself is well-sized and feels much more ergonomic than the Galaxy S5 due to the thinner build and mildly reduced bezel size. It really feels like Samsung cared about the design of the phone this generation, and the attention to detail here immediately puts Samsung near the top in this area. The front of the phone still feels a bit derivative, but I suspect that there isn’t much Samsung can do to change this when faced with design constraints like a physical home button. The S6 edge does look better in some ways, but ergonomically the sharper and thinner edge is a compromise compared to the normal S6. Either phone is still easily one of the best-designed phones I’ve seen this year.

Exynos 7420: First 14nm Silicon In A Smartphone
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  • akdj - Sunday, April 26, 2015 - link

    I'll re-read, but I could've sworn that was mentioned a couple times. Maybe it was ARS, but I'll check, as you're right. SVoice is the 'front end' to access GVoice and therefore allows Sammy to 'remember' your search information, etc. I've been able to work around, I believe, on my Note 4 now with the 5.0.1 update
    Use Google Laincher. Disable Samsung account and sync and mine flies! Much faster than Nova, Go or vanilla TouchWiz and 'possibly' part of Google's Launch code, while using its only syncing data through Google (possibly SVoice or SRememberEverything in the background). I'll have to recheck and time but the update to LP has certainly sped all facets of the UI, updates, app launching and all around perceived 'speed'. I use a dark wallpaper, Nova Launcher 70% of the time and GLauncher the other portion.
    Possibly Google's new 5.0.1 code is more specific to usage of its own services overriding those of carrier or the OEM. Again, unsure but damn it flies!

    I'm going to spend this week with Google's camera to see if the Note 4 fan shoot the new raw still formats. As a decent camera with Lightroom on board and a CC subscription, I'm excited for the raw output of these hamdsets.

    Are you speaking from experience? (Do you own one) or what you've read in reviews? I've certainly seen that mentioned and thought it was here ...pertaining to your suggestion it was forgotten. When I read it, I checked it in the Note 4 and using TW straight, indeed it runs through SVoice first with a significant delay (regardless of bandwidth). It seems quicker in Nova, slower in Go, fastest using Google Launch
  • pSupaNova - Tuesday, April 21, 2015 - link

    Reading this review I can't help thinking Intel is in trouble if Samsung manages to ship lots of this handset.

    it will show that they are getting their SOC manufacturing into gear.
  • Schickenipple - Tuesday, April 21, 2015 - link

    It's a little comical that a good portion of the 'pluses' of android phones have now gone the way of the iPhone. I fear there will be very little for Samsung lovers to hold over iOS soon.... How will you reboot when the OS freezes every day? Can't add an SD card??!! Blasphemy!

    Seriously though, they look pretty nice. Almost like an iPhone.
  • FlushedBubblyJock - Friday, April 24, 2015 - link

    oh but if feels so industrial designed and so well built in my hand its so ergonomic my money impression is very, very high as my brain has been fried to a crisp from my desire to be somebody important and wealthy...
  • FlushedBubblyJock - Friday, April 24, 2015 - link

    excuse me but i have too go visit steve jobs grave for my monthly pilgrimage, and check my stock portfolio for my apple daily increase, an apple a day keeps retirement at bay !!!
  • holmberg - Wednesday, April 22, 2015 - link

    Could we get a measurement of the audio quality (i.e. the DAC and amplifiers, NOT the speakers), similar to what you did for the S5 here:;

    http://anandtech.com/show/8078/smartphone-audio-te...
  • FlushedBubblyJock - Friday, April 24, 2015 - link

    oHHMMM ah I have recieved a premonition:

    When the time comes, metal industrial apple clone design won't be the glossy cocktail party rave it is now for all the reviewers... the new "nano carbon" hardshell and totally black design will be the inherently desired feel it up in the hand "win" the reviewers and crybabies all claim we want.

    So, soon enough, when it's as cheap as a popcan is now, carbon fiber phone rage will storm the gates.... oh it's so light and so stiff, it feels so strong in my hand (like a fem commenting) ...

    YEP - that's coming next - then after the reviewers convince the whole industry to trend toward carbon fiber and leave the metalheads in the dust (their newly created idiots wake) we will have another brain fart of gigantic proportion to deal with...

    Warnings about carbon fiber slivers will go unheeded - there may be a whole section on how to reduce scratches and nano crackings and splittings of the fiber along with sales kits and superglue derivatives to rebond the nano cracks...

    Next some of the more fervent feeler uppers will wind up in the hospital witth carbon paw poisoning or necessary eye cleansings since they sneezed up the raw carbon tubes into their own faces...

    In the mean time they will have alzheimers from feeling up their aluminum metalized wonder industrial builds....

    Yep, coming soon to a raw brain fart industry of elite 1% self love.

    Forget that plastic if flexible, moldable, much more comfortable in the hand, lighter, and easily snapped apart and together - we must now have metal with apple 5star hex screws - and soon only carbon fiber probably with glass reinforced or ceramic fastener holes... and the elite will rave at the sensational high quality super high $$$$$ feel in their paws...

    Yeah man, it's coming - if they charged ten grand for solidified rice paper the elite and feely nerd ego wackos would praise it to the moon and sky...
  • FlushedBubblyJock - Friday, April 24, 2015 - link

    Where the heck is the scree resolution comparison and the pixels per inch chart putting the apple fans to shame ?

    I just read elsewhere the ppi which was always fanfare here when apple had the lead is 557 ppi ...

    That's way above the 200-300+ I'm used to seeing...

    So it's 4k resoluion and 557 pixels per inch - doesn't that deserve a whole page of glorious praise comparing to the other losers, which is everyone is it not ?
  • ubcjack - Tuesday, April 28, 2015 - link

    Can Anandtech write an article to explain how Samsung implement PDAF over Sony's IM240 sensor? I'm really interested in the implementation.
  • DIYEyal - Thursday, April 30, 2015 - link

    If this phone was thicker with a bigger battery, dual sim, micro SD and waterproof it would have been the perfect phone for me.
    Rumors suggest that samsung is about to release a dualsim version, so I'll probably buy that.

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