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Samsung Galaxy Z Fold3 vs Samsung Galaxy Z Fold8 Ultra

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

SamsungGalaxy Z Fold3SamsungGalaxy Z Fold8 Ultra
Overview
ReleasedAugust 2021August 2026
Display
Main screen7.6″8″
Resolution2208 × 17682504 × 2256
Sharpness372 pixels per inch421 pixels per inch
PanelOLEDLTPO OLED
Refresh rate120 Hz120 Hz
Peak brightness–3,000 nits
Cover screen6.2″, 2268 × 832, 120 Hz6.5″, 2520 × 1080, 120 Hz
Display typeQXGA+ Dynamic AMOLED 2X Infinity Flex Display (2,208 × 1,768), Super Smooth 120 Hz adaptive refresh; 7.6 inches as a full rectangle, 7.4 inches with rounded cornersDynamic AMOLED 2X, QXGA+, 16M colours; 120 Hz adaptive refresh rate (1–120 Hz)
Pixel density374 ppi (main screen); 387 ppi (cover screen)422 ppi (main and cover screens)
Brightness detail900 nits high brightness mode, 1,200 nits peak (main screen); 1,000 nits high brightness mode, 1,500 nits peak (cover screen)–
Screen protectionCorning Gorilla Glass Victus; Armour Aluminium frameCorning Gorilla Glass Ceramic 3 on the cover screen; two Flex Titanium layers under the main screen
Display features–Vision booster; anti-reflection on the main screen; Samsung says 15% brighter than Galaxy Z Fold7
Cover screen6.2-inch HD+ (2,268 × 832), 120 Hz adaptive refresh; 6.1 inches with rounded corners6.5-inch FHD+ Dynamic AMOLED 2X, 422 ppi, 120 Hz adaptive refresh rate (1–120 Hz), Vision booster
Performance
ChipSnapdragon 888Snapdragon 8 Elite Gen 5 for Galaxy
Memory12 GB12 GB – 16 GB
Storage256 GB, 512 GB256 GB, 512 GB, 1 TB
CPU5 nm octa-core, 2.84 GHz + 2.4 GHz + 1.8 GHz; Snapdragon 888; 12 GB of RAMOcta-core (4.74 GHz, 3.6 GHz)
Cooling–Expanded graphite cooling structure
GPUAdreno 660 (GSMArena)–
Storage type256 GB (215.7 GB available) or 512 GB (454.5 GB available); no microSD slot–
Cameras
Main camera12 MP200 MP
Ultra wide camera12 MP50 MP
Telephoto camera12 MP10 MP
Optical zoom2×3×
Front camera10 MP10 MP
Main camera12 MP wide-angle, F1.8200 MP wide, F1.7, 0.6 μm pixels, 85° field of view, Quad Pixel AF, OIS; HDR in 200 MP mode
Ultra wide camera12 MP, F2.250 MP, F1.9, 0.7 μm pixels, 120° field of view, Quad Pixel AF
Telephoto camera12 MP, F2.4, 2x optical zoom10 MP, F2.4, 1.0 μm pixels, 36° field of view, PDAF, OIS, 3x optical zoom
Front camera10 MP F2.2 cover-screen camera; 4 MP F1.8 under-display camera in the main screen10 MP cover-screen selfie camera (F2.2, 1.12 μm, 85° field of view); 10 MP main-screen camera (F2.2, 1.12 μm, 100° field of view)
Zoom2x optical zoom; digital zoom up to 10x3x optical zoom; 2x optical-quality zoom (Adaptive Pixel sensor); digital zoom up to 30x
Video recordingUHD 4K (3,840 × 2,160) at 60 fpsUp to 8K (7680 × 4320) at 30 fps, including 8K in the APV codec; slow motion at 240 fps (FHD) and 120 fps (FHD and UHD)
Camera features–ProVisual Engine; Nightography; Dual Recording; My FanCam; Cine LUT
Battery and charging
Battery4,400 mAh5,000 mAh
Video playback (maker's claim)Up to 18 hoursUp to 27 hours
Wired chargingUp to 25 WUp to 45 W
Wireless chargingUp to 10 WUp to 20 W
Battery life detail4,400 mAh typical, 4,275 mAh rated; video playback up to 18 hours; internet use up to 12 hours (LTE or Wi-Fi); talk time up to 34 hours (4G)Dual battery; rated capacity 4,854 mAh; at least 1,200 charge cycles; EU energy class A
Wired charging25 W; QC2.0 and AFC compatibleSuper Fast Charging 2.0, up to 67% in around 30 minutes with a 45 W adapter and 3 A USB-C cable (adapter sold separately); dual-path charging
Wireless charging10 W; WPC and PMA compatibleFast Wireless Charging at 20 W (WPC)
Charges other devicesWireless PowerShare; 4.5 WWireless PowerShare
Design
TypeFoldableFoldable
Weight271 g215 g
Thickness16 mm8.9 mm
Height × width158.2 × 67.1 mm158.4 × 72.8 mm
Water and dust resistanceIPX8IP48
StylusYesNo
Size unfolded158.2 × 128.1 × 6.4 mm158.4 × 143.2 × 4.1 mm (thickness excludes the main-screen frame)
Materials–Armor Aluminum frame; Corning Gorilla Glass Victus 2 back; Armor FlexHinge
ColoursPhantom Black, Phantom Green, Phantom SilverGraphite, Cream, Violet Shadow; Green Shadow (Samsung.com only)
Water resistance detailIPX8, submersion in up to 1.5 m of fresh water for up to 30 minutes; not dust resistantIP48, tested for submersion in up to 1.5 m of fresh water for up to 30 minutes; not advised for beach or pool use
Biometrics–Fingerprint sensor
Sensors–Accelerometer, barometer, fingerprint sensor, gyro sensor, geomagnetic sensor, Hall sensor, light sensor, proximity sensor
SpeakersStereo speakers; Dolby AtmosStereo speakers
Software
Operating systemAndroidAndroid
Software at launchAndroid 11One UI 9 (Android 17)
Software updates–Up to 7 OS upgrades and security updates; security updates until 31 July 2033 (UK)
AI features–Galaxy AI, including Now Brief, Now Nudge and Photo Assist; Gemini
Connectivity
Satellite messaging–Yes
Mobile network5G5G Sub6 (FDD, TDD, SDL); 4G LTE (FDD, TDD); 3G WCDMA; 2G GSM
SIM–Nano-SIM and eSIM, or dual eSIM
Wi-FiWi-Fi 6 (802.11a/b/g/n/ac/ax), 2.4 and 5 GHz, HE160, MIMO, 1024-QAMWi-Fi 7 (802.11a/b/g/n/ac/ax/be), 2.4, 5 and 6 GHz, EHT320, MIMO, 4096-QAM
BluetoothBluetooth 5.2Bluetooth 6.0
Ultra WidebandYesYes
NFCYesYes
Satellite features–Works with O2 Satellite in the UK (texts, supported apps, maps and location sharing where O2 has no signal; not emergency calls)
USBUSB Type-CUSB Type-C, USB 3.2 Gen 1
Positioning–GPS, Glonass, Beidou, Galileo, QZSS

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