Compare
Specifications
Samsung Galaxy S21 Ultra 5G |
Samsung Galaxy S25 Ultra |
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Full
Differences
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Samsung Galaxy S21 Ultra 5G |
Samsung Galaxy S25 Ultra |
| Network | ||
|---|---|---|
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| CDMA 800 / 1900 & TD-SCDMA | CDMA 800 / 1900 & TD-SCDMA | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| CDMA2000 1xEV-DO | CDMA2000 1xEV-DO | |
| 4G Network | 1, 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 | 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, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B | 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 | |
| 5G Network | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1 | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International |
| 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B | 1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked | |
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) | HSPA, LTE (up to 7CA), 5G |
| Launch | ||
|---|---|---|
| Announced | 2021, January 14 | 2025, January 22 |
| Status | Available. Released 2021, January 29 | Available. Released 2025, February 03 |
| Body | ||
|---|---|---|
| Dimensions | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) | 162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in) |
| 3D size compare | ||
| Weight | 227 g (Sub6), 229 g (mmWave) (8.01 oz) | 218 g (7.69 oz) |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5) |
| SIM | Nano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
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 |
| IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support |
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus |
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| Display | ||
|---|---|---|
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) | Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak) |
| Size | 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) | 6.9 inches, 116.9 cm2 (~92.5% screen-to-body ratio) |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) | 1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density) |
| Protection | Corning Gorilla Glass Victus | Corning Gorilla Armor 2 |
| Always-on display | Always-on display DX anti-reflective coating |
|
| Platform | ||
|---|---|---|
| OS | Android 11, up to 4 major Android upgrades, One UI 6.1 | Android 15, up to 7 major Android upgrades, One UI 7 |
| Chipset | Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China |
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) |
| CPU | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China |
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
Adreno 830 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM |
| UFS 3.1 |
UFS 4.0 | |
| Main Camera | ||
|---|---|---|
| Modules | 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 |
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), 0.7µm, dual pixel PDAF, Super Steady video |
| Features | Laser AF, LED flash, auto-HDR, panorama | Laser AF, Best Face, LED flash, auto-HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS | 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS |
| Selfie Camera | ||
|---|---|---|
| Modules | 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF |
| Features | HDR | HDR, HDR10+ |
| Video | 4K@30/60fps, 1080p@30fps | 4K@30/60fps, 1080p@30fps |
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| Sound | ||
|---|---|---|
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 3.5mm jack | No | No |
| 32-bit/384kHz audio Tuned by AKG |
32-bit/384kHz audio Tuned by AKG |
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| Comms | ||
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Bluetooth | 5.2, A2DP, LE | 5.4, A2DP, LE |
| Positioning | GPS, GLONASS, BDS, GALILEO | GPS, GLONASS, BDS, GALILEO, QZSS |
| NFC | Yes | Yes |
| Infrared port | No | No |
| Radio | FM radio (Snapdragon model only; market/operator dependent) | No |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2, DisplayPort 1.2, OTG |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support Circle to Search |
Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support Circle to Search |
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| Battery | ||
|---|---|---|
| Type | Li-Ion 5000 mAh | Li-Ion 5000 mAh |
| Charging | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
45W wired, PD3.0, 65% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless |
| Misc | ||
|---|---|---|
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold | SAR | 0.77 W/kg (head) 1.02 W/kg (body) | 1.26 W/kg (head) 0.64 W/kg (body) |
| SAR EU | 0.71 W/kg (head) 1.58 W/kg (body) | 1.25 W/kg (head) 1.42 W/kg (body) |
| Models | SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980 | SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS |
| Price | $ 230.85 / C$ 393.25 / £ 220.50 / € 359.14 | $ 924.97 / C$ 1,447.00 / £ 826.02 / € 943.73 / ₹ 123,999 |
| Tests | ||
|---|---|---|
| Performance | AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) |
AnTuTu: 2207809 (v10) GeekBench: 9846 (v6) 3DMark: 6687 (Wild Life Extreme) |
| Display | 1023 nits max brightness (measured) | 1417 nits max brightness (measured) |
| Loudspeaker | -25.5 LUFS (Very good) | -24.6 LUFS (Very good) |
| Battery (new) | Active use score 14:49h | |
| Battery (old) | Endurance rating 114h | |