Which has the bigger battery, the Apple iPhone 15 or the Samsung Galaxy Z Flip6?

The Samsung Galaxy Z Flip6 has the bigger battery: 4,000 mAh against 3,349 mAh. Real battery life also depends on the chip and screen.

Which gets software updates for longer?

The Samsung Galaxy Z Flip6: its maker promises OS updates until around July 2031, against September 2028 for the Apple iPhone 15.

Apple iPhone 15 vs Samsung Galaxy Z Flip6

Which should you buy?

Pick the Apple iPhone 15 for

Lighter: 171 g vs 187 g (16 g less)
Thinner folded: 7.8 mm vs 14.9 mm
Better water resistance: IP68 vs IP48

Pick the Samsung Galaxy Z Flip6 for

Bigger battery: 4,000 vs 3,349 mAh (19% more)
Faster wired charging: 25 W vs 20 W
Bigger main screen: 6.7" vs 6.1"
More compact folded: 62.5 mm shorter
Smoother display: 120 Hz vs 60 Hz
Brighter display: 2,600 vs 2,000 nits peak
OS updates for longer, until Jul 2031
More RAM: up to 12 GB vs 6 GB
Newer: launched July 2024

Size comparison

Folded, the Apple iPhone 15 is 62.5 mm taller, 7.1 mm thinner and 16 g lighter than the Samsung Galaxy Z Flip6. Its main screen is 0.6" smaller. Unfolded, the Samsung Galaxy Z Flip6 opens to 165.1 × 71.9 mm and 6.9 mm thick.

Apple iPhone 15147.6 × 71.6 × 7.8 mm
Samsung Galaxy Z Flip685.1 × 71.9 × 14.9 mm folded

Specs side by side

Launch	Apple iPhone 15	Samsung Galaxy Z Flip6
Announced	September 12, 2023	July 10, 20241
Released	September 22, 2023	July 31, 20241
Launch price	$7991	—

Body	Apple iPhone 15	Samsung Galaxy Z Flip6
Size	147.6 × 71.6 × 7.8 mm	85.1 × 71.9 × 14.9 mm folded1
Unfolded size	—	165.1 × 71.9 × 6.9 mm1
Thickness	7.8 mm (better)	14.9 mm folded, 6.9 mm open1
Weight	171 g (better)	187 g1
Frame	Aluminum	Matte aluminum1
Back	Color-infused glass	—
Water resistance	IP68 (better)	IP48
Colours	Black, Blue, Green, Yellow, Pink	Yellow, Silver Shadow, Mint, Blue, Crafted Black, White, Peach1

Display	Apple iPhone 15	Samsung Galaxy Z Flip6
Size	6.1"	6.7"
Cover screen	—	3.4"
Type	Super Retina XDR OLED	Dynamic LTPO AMOLED 2X
Resolution	1179 × 2556	1080 × 2640
Refresh rate	60 Hz	120 Hz (better)
Peak brightness	2,000 nits	2,600 nits (better)
Protection	Ceramic Shield	Ultra Thin Glass (UTG) inner; Corning Gorilla Glass Victus 2 cover1

Performance and software	Apple iPhone 15	Samsung Galaxy Z Flip6
Chipset	A16 Bionic	Qualcomm Snapdragon 8 Gen 3 for Galaxy
CPU	6-core CPU with 2 performance and 4 efficiency cores	Octa-core (1×3.3 GHz Cortex-X4 & 3×3.2 GHz Cortex-A720 & 2×3.0 GHz Cortex-A720 & 2×2.3 GHz Cortex-A520)
Process	4 nm1	4 nm
Ships with	iOS	Android 14 with One UI 6.1.1
OS updates	5 years (to Sep 2028)1	7 years (to Jul 2031)1 (better)
Security updates	—	7 years (to Jul 2031)1

Memory	Apple iPhone 15	Samsung Galaxy Z Flip6
RAM	6 GB1	12 GB (better)
Storage	128 GB / 256 GB / 512 GB	256 GB / 512 GB
Card slot	No1	No1

Cameras	Apple iPhone 15	Samsung Galaxy Z Flip6
Rear	48 MP Main, OIS 12 MP Ultrawide	50 MP Main, OIS 12 MP Ultrawide
Main camera	48 MP	50 MP
Optical zoom	None	None
Front	12 MP	10 MP
Video	4K Dolby Vision at 60 fps	4K@60fps

Battery	Apple iPhone 15	Samsung Galaxy Z Flip6
Capacity	3,349 mAh1	4,000 mAh (better)
Wired charging	20 W1	25 W1 (better)
Wireless charging	15 W	15 W1
Reverse wireless	—	Yes1

Connectivity	Apple iPhone 15	Samsung Galaxy Z Flip6
5G	Yes	Yes
Wi-Fi	Wi-Fi 6 (802.11ax) with 2x2 MIMO	Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth	5.3	Bluetooth 5.3
NFC	Yes	Yes1
USB	USB-C with USB 2 (up to 480Mb/s) and DisplayPort	USB Type-C 3.2, OTG
Headphone jack	No1	No1
eSIM	Yes	Yes
Satellite messaging	Yes	—

Features	Apple iPhone 15	Samsung Galaxy Z Flip6
Fingerprint	—	Side-mounted1
Stereo speakers	—	Yes

Highlighted: the better value where one is clearly better. Sources for each phone are listed on the Apple iPhone 15 and Samsung Galaxy Z Flip6 pages.

Quick answers

Is the Apple iPhone 15 bigger than the Samsung Galaxy Z Flip6?: Folded, the Apple iPhone 15 is 62.5 mm taller, 7.1 mm thinner and 16 g lighter than the Samsung Galaxy Z Flip6. Its main screen is 0.6" smaller. Unfolded, the Samsung Galaxy Z Flip6 opens to 165.1 × 71.9 mm and 6.9 mm thick.
Which has the bigger battery, the Apple iPhone 15 or the Samsung Galaxy Z Flip6?: The Samsung Galaxy Z Flip6 has the bigger battery: 4,000 mAh against 3,349 mAh. Real battery life also depends on the chip and screen.
Which gets software updates for longer?: The Samsung Galaxy Z Flip6: its maker promises OS updates until around July 2031, against September 2028 for the Apple iPhone 15.