Sony's Xperia Z5 has just gone on sale in the UK. Before you splash out, we find out how it compares to the current king of the Android phone market, the Samsung Galaxy S6. Read our Z5 vs S6 comparison.
Sony's Xperia Z5 has just gone on sale in the UK. Before you splash out, we find out how it compares to the current king of the Android phone market, the Samsung Galaxy S6. Read our Z5 vs S6 comparison.
Note that this comparison is based on specifications. We have spent some hands-on time with the Xperia Z5, but are still awaiting our review sample to complete our full review. You can read our first impressions of Sony's new flagship in our Xperia Z5 hands-on review.
Meanwhile, we've been using the Samsung Galaxy S6 day in, day out since its April 2015 release. For more information on Samsung's S6 check out our full Galaxy S6 review.
While the Sony Xperia Z5 has only recently gone on sale, and the black UK version still commands £599 (Amazon; the Gold and Green versions will be available on Amazon on 22 October at £549), Samsung's Galaxy S6 has now been on sale six months and is available much more cheaply at £376 SIM-free (Amazon). If you're looking to buy either phone on a contract this price difference will be largely irrelevant. Also see: Sony Xperia Z5 UK release date, price and specs.
The Samsung Galaxy S6 and Sony Xperia Z5 are premium-looking phones with metal frames and stylish glass front and rear covers, with the Xperia Z5 slightly more boxy in its appearance. While the Z5 uses frosted glass at the rear, the S6 has a mirror finish. It's available in black, white, green and gold, and the S6 in black, white, gold and blue. Also see:Best phones 2015.
Both smartphones have fingerprint scanners, but the Xperia Z5's implementation is arguably more user-friendly, built into the power button on the device's right edge and falling naturally under the thumb as you pick up the phone. Samsung's fingerprint scanner is found in the Home button at the front of the device, and a double-tap of it instantly launches the camera app - a nice touch.
While Samsung also includes a heart-rate scanner on the device's rear, which pairs with the S Health app to keep tabs on your health and fitness, Sony has included some extras that could potentially turn the heads of long-term Samsung fans. Also see: Best Android phones 2015.
The Galaxy S6 sits at the top of our best smartphones chart, and we think it's a brilliant Android phone. But Samsung has made some compromises in its design, which has infuriated fans. The S6, unlike its predecessor, is not waterproof, it doesn't feature a removable battery, and there's no support for microSD.
The Xperia Z5's battery isn't removable either (although it is higher in capacity at 2900mAh vs 2550mAh and likely to last longer given the lower-resolution screen - Sony says up to two days for most users), but Sony has included support for IP68 dust- and waterproof protection, plus a microSD slot that can accept memory cards up to 200GB in capacity.
The Samsung Galaxy S6 is smaller, thinner and ligher than the Sony Xperia Z5, measuring 143.4x70.5x6.8mm and weighing 138g against the Z5's 72x146x7.3mm, 154g. This doesn't surprise us, given the aforementioned higher-capacity battery in the Z5, plus the larger screen.
You're unlikely to notice the difference in size between the 5.1in panel on the S6 and the 5.2in panel on the Z5, but what you will notice is the difference in both resolution and appearance. Sony fits a full-HD (1080x1920) Triluminos IPS screen, while Samsung plumps for a Quad-HD (1440x2560) SuperAMOLED panel with a super-high pixel pitch of 432ppi.
Given the differing screen technologies, you will notice a difference in more than just clarity. SuperAMOLED is thinner and more energy efficient, with typically oversaturated colours; IPS is known for its realistic colours and excellent viewing angles. Which you like best is very much down to personal preference. See all phone reviews.
Sony has fitted the Xperia Z5 with the Qualcomm Snapdragon 810 chip and Adreno 430 GPU originally intended to go in the Samsung Galaxy S6, but overheating concerns led Samsung to instead opt for one of its own chips, the Exynos 7420. Both are 64-bit octa-core processors and immensely powerful, especially when backed with 3GB of RAM as they are here - in real-world use you will find neither phone slow.
It's impossible for us to accurately compare performance between these smartphones without having thoroughly tested the Sony Xperia Z5 in our lab. However, we have seen the Samsung Galaxy S6 outrun by some distance other phones using the Snapdragon 810 processor, and would therefore expect it to beat the Xperia Z5 in raw performance. Also see:What's the fastest phone 2015?
For storage both phones come with 32GB built-in, but while the S6 is also available in 64- and 128GB variants the Z5 accepts microSD cards up to 200GB.
As we mentioned earlier the Sony Xperia Z5 has the higher-capacity- and likely longer-lasting battery, but only the Samsung Galaxy S6 supports wireless charging. Quick Charge is possible with either phone.
Whether you buy your smartphone from Samsung or Sony you'll need a nano-SIM to take advantage of its 4G cellular connectivity. For Wi-Fi they each support dual-band 802.11ac with MIMO, and you'll get Bluetooth 4.1, NFC and GPS.
The Sony Xperia Z5 will offer the better audio experience. While the S6 has a single speaker, found on the device's bottom edge, the Z5 has S-Force front-facing speakers and support for hi-res audio. It also supports PS4 Remote Play.
Of these two Android Lollipop smartphones (both will be upgraded to Marshmallow in time), the Xperia Z5 has the plainer implementation of Android. However, in fairness to Samsung it has stripped back TouchWiz and the user experience is much more friendly here than it was with the S5.
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