We’ve been though it a lot – the Samsung Galaxy S5, as all Galaxy S’s before it, had a user-replaceable battery, and the S6 didn’t, which sucks. Not only that, it actually had a smaller battery than the model it replaced.

The first part of that story doesn’t seem likely to change, as design constraints have been forcing manufacturers to seal batteries inside devices, not just smartphones. Well, good thing then, that Samsung actually fitted a higher capacity power pack inside the Galaxy S7 than it did in the S6. It is, in fact, the most juice a vanilla Galaxy S-series model has had – specialty editions like the S6 active and S6 edge+ don’t count.

The Galaxy S7 has a 3,000mAh battery, which is the most that 5-inch (or thereabout) smartphones have these days, matched by the latest Xiaomi Mi 5. The current, and likely last of its kind, Sony Xperia Z5 packs 2,900mAh of juice, mated to a marginally larger 5.2-inch display.

The LG G5 has a 2,800mAh cell for an even larger 5.3″ screen, while the outgoing G4 relies on the same 3,000mAh capacity to power a 5.5-inch display. Yes, both LG smartphones are bigger, but who’s to blame if the company doesn’t have a flagship offering close to the 5″ mark? In their favor though, both models feature a removable battery. Now, LG does make the Nexus 5X, and that’s a flagship of sorts with a 5.2-inch display and a 2,700mAh cell.

The iPhone 6s, on the other hand, has a lowly 1,715mAh battery to feed a 4.7-inch display.

It’s what the Galaxy S7 does with its 3,000 milliamp hours that actually matters, though, as we’ve seen plenty of impressive specsheets that couldn’t transfer into reasonable battery life. So as usual we carried out our array of battery tests, and while the summary can be found in the review, we’ll get into a little bit more detail in these few paragraphs here.

The Galaxy S7 does very well, to put it simply. Starting with voice calls over a 3G network, the S7 can outlast all of the above (well, we can’t be sure about the Mi 5 and G5 just yet). And even then, it’s the Galaxy S6 that comes closest, not one of the competing brands. The Xperia Z5 follows, at a distance of almost 5 hours behind the S7. The iPhone 6s fares rather miserably in this respect with less than 10 hours of talk time on a charge.

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Talk time

Samsung Galaxy Tab Pro 10.1 LTE
46:44h

Gionee Marathon M5
38:07h

Lenovo Vibe Z2 Pro
33:20h

Huawei Ascend Mate2 4G
33:19h

Samsung Galaxy A9 (2016)
32:54h

Xiaomi Redmi 3
32:53h

Oppo R7 Plus
30:46h

OnePlus 2
30:29h

Samsung Galaxy S6 edge+
30:29h

Motorola DROID Turbo
30:09h

Microsoft Lumia 640 XL
29:46h

Microsoft Lumia 640 XL LTE
29:46h

Microsoft Lumia 640 XL LTE Dual SIM
29:46h

Microsoft Lumia 640 XL Dual SIM
29:46h

Huawei Honor 5X
29:40h

Samsung Galaxy Note5
28:34h

HTC One (M8) for Windows
28:34h

Nokia Lumia 1520
28:34h

Samsung Galaxy Note 4
28:31h

Sony Xperia Z4 Tablet LTE
28:25h

Sony Xperia Z5 Compact
28:23h

Huawei G8
27:44h

Samsung Galaxy S5
27:37h

Sony Xperia Z1
26:53h

Huawei Mate 8
26:45h

Samsung Galaxy S6 active
26:29h

Motorola Moto X Play
26:28h

Samsung Galaxy A7 (2016)
26:01h

Samsung P6800 Galaxy Tab 7.7
25:45h

LG G3
25:38h

LG G Pro 2
25:37h

LG G Flex
25:19h

Sony Xperia T2 Ultra
25:16h

LG G2
25:15h

Samsung Galaxy A7
25:12h

BlackBerry Passport
25:12h

Huawei Ascend Mate
25:12h

Samsung Galaxy A7 Duos
25:12h

Motorola Nexus 6
25:03h

Samsung Galaxy A8
25:02h

Samsung Galaxy A8 Duos
25:02h

Alcatel Hero
25:02h

…

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