Screen size
Galaxy S25 Ultra6.9"
Galaxy Z Fold6Winner: 7.6"+9.2%
Quick verdict
Galaxy S25 Ultra leads the measured specs 10-2.
Measured wins
Galaxy S25 Ultra
10
spec wins
Overall winner
Ties
11
equal specs
Galaxy Z Fold6
2
spec wins
Screen size
Technology
Galaxy S25 Ultra
GSM / CDMA / HSPA / EVDO / LTE / 5G
Galaxy Z Fold6
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
Galaxy S25 Ultra
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
Galaxy Z Fold6
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 Fold6
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy S25 Ultra
Resolution
Refresh rate
equal specsPeak brightness
equal specsPixel 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 specs1, 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 Fold6
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
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 Fold6
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
Speed
Galaxy S25 Ultra
HSPA, LTE (up to 7CA), 5G
Galaxy Z Fold6
HSPA, LTE, 5G
Announced
Galaxy S25 Ultra
2025, January 22
Galaxy Z Fold6
2024, July 10
Status
Galaxy S25 Ultra
Available. Released 2025, February 03
Galaxy Z Fold6
Available. Released 2024, July 24
Dimensions
Galaxy S25 Ultra
162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in)
Galaxy Z Fold6
Unfolded: 153.5 x 132.6 x 5.6 mmFolded: 153.5 x 68.1 x 12.1 mm
Weight
Galaxy S25 Ultra
218 g (7.69 oz)
Galaxy Z Fold6
239 g (8.43 oz)
Build
Galaxy S25 Ultra
Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Galaxy Z Fold6
Glass front (Gorilla Glass Victus 2) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus 2), 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 Fold6
· Nano-SIM + eSIM· eSIM + eSIM· Nano-SIM + Nano-SIM (SM-F9560)
Other
Galaxy S25 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus
Galaxy Z Fold6
IP48 dust and water resistant (dust > 1mm; immersible 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 Fold6
Foldable Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Size
Galaxy S25 Ultra
6.9 inches, 116.9 cm2 (~92.5% screen-to-body ratio)
Galaxy Z Fold6
7.6 inches, 185.2 cm2 (~91.0% screen-to-body ratio)
Resolution
Galaxy S25 Ultra
1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density)
Galaxy Z Fold6
1856 x 2160 pixels (~374 ppi density)
Protection
Galaxy S25 Ultra
Corning Gorilla Armor 2, Mohs level 6
Galaxy Z Fold6
-
Other
Galaxy S25 Ultra
DX anti-reflective coating
Galaxy Z Fold6
Cover display: Dynamic LTPO AMOLED 2X, 120Hz, 2600 nits (peak), Corning Gorilla Glass Victus 2 6.3 inches, 968 x 2376 pixels, 410 ppi
OS
Galaxy S25 Ultra
Android 15, up to 7 major Android upgrades, One UI 8
Galaxy Z Fold6
Android 14, up to 7 major Android upgrades, One UI 6.1.1
Chipset
Galaxy S25 Ultra
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
Galaxy Z Fold6
Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm)
CPU
Galaxy S25 Ultra
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Galaxy Z Fold6
8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520)
GPU
Galaxy S25 Ultra
Adreno 830 (1200 MHz)
Galaxy Z Fold6
Adreno 750 (1 GHz)
Card slot
Galaxy S25 Ultra
No
Galaxy Z Fold6
No
Internal
Galaxy S25 Ultra
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
Galaxy Z Fold6
256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
Other
Galaxy S25 Ultra
UFS 4.0
Galaxy Z Fold6
UFS 4.0
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 Fold6
-
Features
Galaxy S25 Ultra
Laser AF, Best Face, LED flash, auto-HDR, panorama
Galaxy Z Fold6
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 Fold6
8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), HDR10+
Triple
Galaxy S25 Ultra
-
Galaxy Z Fold6
50 MP, f/1.8, 23mm (wide), 1/1.57", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 66mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 123˚, 12mm (ultrawide), 1/3.2", 1.12µm
Single
Galaxy S25 Ultra
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Galaxy Z Fold6
4 MP, f/1.8, 26mm (wide), 1/3.0", 2.0µm, under display Cover camera: 10 MP, f/2.2, 24mm (wide), 1/3.0", 1.22µm
Features
Galaxy S25 Ultra
HDR, HDR10+
Galaxy Z Fold6
HDR
Video
Galaxy S25 Ultra
4K@30/60fps, 1080p@30fps
Galaxy Z Fold6
4K@30/60fps, 1080p@30/60fps, gyro-EIS
Loudspeaker
Galaxy S25 Ultra
Yes, with stereo speakers
Galaxy Z Fold6
Yes, with stereo speakers
3.5mm jack
Galaxy S25 Ultra
No
Galaxy Z Fold6
No
Other
Galaxy S25 Ultra
High-bitrate audio support
Galaxy Z Fold6
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 Fold6
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth
Galaxy S25 Ultra
5.4, A2DP, LE
Galaxy Z Fold6
5.3, A2DP, LE, aptX HD
Positioning
Galaxy S25 Ultra
GPS, GLONASS, BDS, GALILEO, QZSS
Galaxy Z Fold6
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy S25 Ultra
Yes
Galaxy Z Fold6
Yes
Radio
Galaxy S25 Ultra
No
Galaxy Z Fold6
No
USB
Galaxy S25 Ultra
USB Type-C 3.2, DisplayPort 1.2, OTG
Galaxy Z Fold6
USB Type-C 3.2, OTG
Sensors
Galaxy S25 Ultra
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Galaxy Z Fold6
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 Fold6
Samsung DeX (desktop experience support) Ultra Wideband (UWB) support
Type
Galaxy S25 Ultra
Li-Ion 5000 mAh
Galaxy Z Fold6
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 Fold6
25W wired, QC2.0, 50% in 30 min 15W 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 Fold6
Navy, Silver Shadow, Pink, Black, White
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 Fold6
SM-F956B, SM-F956B/DS, SM-F956U, SM-F956U1, SM-F956N, SM-F956W, SM-F9560
SAR
Galaxy S25 Ultra
1.26 W/kg (head) 0.64 W/kg (body)
Galaxy Z Fold6
-
SAR EU
Galaxy S25 Ultra
1.25 W/kg (head) 1.42 W/kg (body)
Galaxy Z Fold6
1.24 W/kg (head) 1.39 W/kg (body)
Price
Galaxy S25 Ultra
$ 1,299.99 / C$ 1,229.75 / £ 699.00 / € 846.41 / ₹ 112,990
Galaxy Z Fold6
$ 689.99 / C$ 1,179.97 / £ 550.00 / € 879.72 / ₹ 109,999