Screen size
Galaxy S25 Ultra6.9"
Galaxy Z Fold3 5GWinner: 7.6"+9.2%
Quick verdict
Galaxy S25 Ultra leads the measured specs 11-2.
Measured wins
Galaxy S25 Ultra
11
spec wins
Overall winner
Ties
10
equal specs
Galaxy Z Fold3 5G
2
spec wins
Screen size
Technology
Galaxy S25 Ultra
GSM / CDMA / HSPA / EVDO / LTE / 5G
Galaxy Z Fold3 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy S25 Ultra
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
Galaxy Z Fold3 5G
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
Galaxy S25 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Galaxy Z Fold3 5G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
equal specsBluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsGalaxy S25 Ultra
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International, 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA unlocked
Galaxy Z Fold3 5G
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 46, 48, 66 - Europe, 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
5G bands
Galaxy S25 Ultra
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International, 1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked
Galaxy Z Fold3 5G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - International, 2, 5, 25, 41, 66, 71, 78, 260, 261 SA/NSA/Sub6/mmWave - USA
Speed
Galaxy S25 Ultra
HSPA, LTE (up to 7CA), 5G
Galaxy Z Fold3 5G
HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G
Announced
Galaxy S25 Ultra
2025, January 22
Galaxy Z Fold3 5G
2021, August 11
Status
Galaxy S25 Ultra
Available. Released 2025, February 03
Galaxy Z Fold3 5G
Available. Released 2021, August 27
Dimensions
Galaxy S25 Ultra
162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in)
Galaxy Z Fold3 5G
Unfolded: 158.2 x 128.1 x 6.4 mmFolded: 158.2 x 67.1 x 14.4-16 mm
Weight
Galaxy S25 Ultra
218 g (7.69 oz)
Galaxy Z Fold3 5G
271 g (9.56 oz)
Build
Galaxy S25 Ultra
Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Galaxy Z Fold3 5G
Glass front (Gorilla Glass Victus) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus), aluminum frame
SIM
Galaxy S25 Ultra
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN
Galaxy Z Fold3 5G
Nano-SIM + eSIM
Other
Galaxy S25 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus
Galaxy Z Fold3 5G
IPX8 water resistant (up to 1.5m for 30 min) Armor aluminum frame Stylus support
Type
Galaxy S25 Ultra
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Galaxy Z Fold3 5G
Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)
Size
Galaxy S25 Ultra
6.9 inches, 116.9 cm2 (~92.5% screen-to-body ratio)
Galaxy Z Fold3 5G
7.6 inches, 179.9 cm2 (~88.8% screen-to-body ratio)
Resolution
Galaxy S25 Ultra
1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density)
Galaxy Z Fold3 5G
1768 x 2208 pixels (~374 ppi density)
Protection
Galaxy S25 Ultra
Corning Gorilla Armor 2, Mohs level 6
Galaxy Z Fold3 5G
-
Other
Galaxy S25 Ultra
DX anti-reflective coating
Galaxy Z Fold3 5G
Cover display: Dynamic AMOLED 2X, 120Hz, Corning Gorilla Glass Victus 6.2 inches, 832 x 2268 pixels, 25:9 ratio
OS
Galaxy S25 Ultra
Android 15, up to 7 major Android upgrades, One UI 8
Galaxy Z Fold3 5G
Android 11, up to 4 major Android upgrades, One UI 6.1
Chipset
Galaxy S25 Ultra
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
Galaxy Z Fold3 5G
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Galaxy S25 Ultra
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Galaxy Z Fold3 5G
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU
Galaxy S25 Ultra
Adreno 830 (1200 MHz)
Galaxy Z Fold3 5G
Adreno 660
Card slot
Galaxy S25 Ultra
No
Galaxy Z Fold3 5G
No
Internal
Galaxy S25 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
Galaxy Z Fold3 5G
256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy S25 Ultra
UFS 4.0
Galaxy Z Fold3 5G
UFS 3.1
Quad
Galaxy S25 Ultra
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 50 MP, f/1.9, 120˚ (ultrawide), 1/2.5", 0.7µm, dual pixel PDAF, Super Steady video
Galaxy Z Fold3 5G
-
Features
Galaxy S25 Ultra
Laser AF, Best Face, LED flash, auto-HDR, panorama
Galaxy Z Fold3 5G
LED flash, HDR, panorama
Video
Galaxy S25 Ultra
8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Galaxy Z Fold3 5G
4K@60fps, 1080p@60/240fps (gyro-EIS), HDR10+
Triple
Galaxy S25 Ultra
-
Galaxy Z Fold3 5G
12 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
Single
Galaxy S25 Ultra
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Galaxy Z Fold3 5G
4 MP, f/1.8, 2.0µm, under display Cover camera: 10 MP, f/2.2, 26mm (wide), 1/3", 1.22µm
Features
Galaxy S25 Ultra
HDR, HDR10+
Galaxy Z Fold3 5G
HDR
Video
Galaxy S25 Ultra
4K@30/60fps, 1080p@30fps
Galaxy Z Fold3 5G
4K@30fps, 1080p@30fps, gyro-EIS
Loudspeaker
Galaxy S25 Ultra
Yes, with stereo speakers
Galaxy Z Fold3 5G
Yes, with stereo speakers
3.5mm jack
Galaxy S25 Ultra
No
Galaxy Z Fold3 5G
No
Other
Galaxy S25 Ultra
High-bitrate audio support
Galaxy Z Fold3 5G
High-bitrate audio support
WLAN
Galaxy S25 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Galaxy Z Fold3 5G
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
Galaxy S25 Ultra
5.4, A2DP, LE
Galaxy Z Fold3 5G
5.2, A2DP, LE, aptX HD
Positioning
Galaxy S25 Ultra
GPS, GLONASS, BDS, GALILEO, QZSS
Galaxy Z Fold3 5G
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy S25 Ultra
Yes
Galaxy Z Fold3 5G
Yes
Radio
Galaxy S25 Ultra
No
Galaxy Z Fold3 5G
No
USB
Galaxy S25 Ultra
USB Type-C 3.2, DisplayPort 1.2, OTG
Galaxy Z Fold3 5G
USB Type-C 3.2
Sensors
Galaxy S25 Ultra
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Galaxy Z Fold3 5G
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy S25 Ultra
Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support
Galaxy Z Fold3 5G
Samsung DeX (desktop experience support) Ultra Wideband (UWB) support
Type
Galaxy S25 Ultra
Li-Ion 5000 mAh
Galaxy Z Fold3 5G
Li-Po 4400 mAh
Charging
Galaxy S25 Ultra
45W wired, PD3.0, 65% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Galaxy Z Fold3 5G
25W wired 11W wireless 4.5W reverse wireless
Colors
Galaxy S25 Ultra
Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
Galaxy Z Fold3 5G
Phantom Black, Phantom Silver, Phantom Green, Thom Browne Edition, Wooyoungmi Edition
Models
Galaxy S25 Ultra
SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
Galaxy Z Fold3 5G
SM-F926B, SM-F926B/DS, SM-F926U, SM-F926U1, SM-F926W, SM-F9260, SM-F926N
SAR
Galaxy S25 Ultra
1.26 W/kg (head) 0.64 W/kg (body)
Galaxy Z Fold3 5G
0.73 W/kg (head) 1.22 W/kg (body)
SAR EU
Galaxy S25 Ultra
1.25 W/kg (head) 1.42 W/kg (body)
Galaxy Z Fold3 5G
1.04 W/kg (head) 1.44 W/kg (body)
Price
Galaxy S25 Ultra
$ 1,299.99 / C$ 1,229.75 / £ 699.00 / € 846.41 / ₹ 112,990
Galaxy Z Fold3 5G
$ 367.00 / C$ 1,199.00 / £ 449.99 / € 500.00