Samsung Galaxy Z Fold3 5G vs Samsung Galaxy S21 Ultra 5G

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PHONES
Phone Names Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 Ultra 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 46, 48, 66 - Europe1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
SpeedHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5GHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 2, 5, 25, 41, 66, 71, 78, 260, 261 SA/NSA/Sub6/mmWave - USA1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
Launch
Announced2021, August 112021, January 14
StatusAvailable. Released 2021, August 27Available. Released 2021, January 29
Body
BuildGlass front (Gorilla Glass Victus) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus), aluminum frameGlass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
DimensionsUnfolded: 158.2 x 128.1 x 6.4 mmFolded: 158.2 x 67.1 x 14.4-16 mm165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
SIMNano-SIM + eSIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight271 g (9.56 oz)227 g (Sub6), 229 g (mmWave) (8.01 oz)
 IPX8 water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus supportIP68 dust/water resistant (up to 1.5m for 30 min) Stylus support
Display
Protection-Corning Gorilla Glass Victus
Resolution1768 x 2208 pixels (~374 ppi density)1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Size7.6 inches, 179.9 cm2 (~88.8% screen-to-body ratio)6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
TypeFoldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
 Cover display: Dynamic AMOLED 2X, 120Hz, Corning Gorilla Glass Victus 6.2 inches, 832 x 2268 pixels, 25:9 ratioAlways-on display
Platform
CPUOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
GPUAdreno 660Mali-G78 MP14 - InternationalAdreno 660 - USA/China
OSAndroid 11, up to 4 major Android upgrades, One UI 6.1Android 11, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesLED flash, HDR, panoramaLaser AF, LED flash, auto-HDR, panorama
Quad-108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Triple12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.4, 52mm (telephoto), 1/3.6", 1.0µm, PDAF, OIS, 2x optical zoom 12 MP, f/2.2, 123˚, 12mm (ultrawide), 1.12µm-
Video4K@60fps, 1080p@60/240fps (gyro-EIS), HDR10+8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesHDRHDR
Single4 MP, f/1.8, 2.0µm, under display Cover camera: 10 MP, f/2.2, 26mm (wide), 1/3", 1.22µm40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Video4K@30fps, 1080p@30fps, gyro-EIS4K@30/60fps, 1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 32-bit/384kHz audio Tuned by AKG32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.2, A2DP, LE, aptX HD5.2, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, BDS, GALILEO
RadioNoFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.2USB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 Bixby natural language commands and dictation Samsung DeX (desktop experience support) Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) supportSamsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support
Battery
Charging25W wired 11W wireless 4.5W reverse wireless25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
TypeLi-Po 4400 mAhLi-Ion 5000 mAh
Misc
ColorsPhantom Black, Phantom Silver, Phantom Green, Thom Browne Edition, Wooyoungmi EditionPhantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
ModelsSM-F926B, SM-F926B/DS, SM-F926U, SM-F926U1, SM-F926W, SM-F9260, SM-F926NSM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
Price€ 453.57 / $ 367.74 / £ 449.99$ 240.01 / C$ 353.20 / £ 202.99 / € 264.99
SAR0.73 W/kg (head)     1.22 W/kg (body)0.77 W/kg (head)     1.02 W/kg (body)
SAR EU1.04 W/kg (head)     1.44 W/kg (body)0.71 W/kg (head)     1.58 W/kg (body)
Pricing
128GB 12GB RAM-$ 384.99
256GB 12GB RAM-$ 998.00
512GB 12GB RAM-$ 1,179.99
RENEWED-$ 459.00
Tests
Battery life Endurance rating 75h Endurance rating 114h
Camera Photo / Video Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker -25.6 LUFS (Very good) -25.5 LUFS (Very good)
Performance AnTuTu: 635918 (v8), 752218 (v9) GeekBench: 12719 (v4.4), 3239 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)Endurance rating 75hEndurance rating 114h
CameraPhoto / VideoPhoto / Video
Display922 nits max brightness (measured)1023 nits max brightness (measured)
Loudspeaker-25.6 LUFS (Very good)-25.5 LUFS (Very good)
PerformanceAnTuTu: 635918 (v8), 752218 (v9) GeekBench: 12719 (v4.4), 3239 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)