Compare
Specifications
Samsung Galaxy S21 Ultra 5G |
vivo X51 5G |
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Full
Differences
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Samsung Galaxy S21 Ultra 5G |
vivo X51 5G |
| Network | ||
|---|---|---|
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / CDMA / HSPA / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| CDMA 800 / 1900 & TD-SCDMA | CDMA 800 | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 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, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66 |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B | ||
| 5G Network | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1 | 1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA |
| 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) | HSPA, LTE, 5G |
| Launch | ||
|---|---|---|
| Announced | 2021, January 14 | 2020, October 21 |
| Status | Available. Released 2021, January 29 | Available. Released 2020, October 23 |
| Body | ||
|---|---|---|
| Dimensions | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) | 158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in) |
| Weight | 227 g (Sub6), 229 g (mmWave) (8.01 oz) | 181.5 g (6.42 oz) |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | Glass front, glass back, aluminum frame |
| SIM | Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| IP68 dust/water resistant (up to 1.5m for 30 min) Stylus support |
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| Display | ||
|---|---|---|
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) | AMOLED, 90Hz, HDR10+ |
| Size | 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) | 6.56 inches, 104.6 cm2 (~90.6% screen-to-body ratio) |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) | 1080 x 2376 pixels (~398 ppi density) |
| Protection | Corning Gorilla Glass Victus | |
| Always-on display | ||
| Platform | ||
|---|---|---|
| OS | Android 11, upgradable to Android 14, One UI 6.1 | Android 10, Funtouch 10.0 |
| Chipset | Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China |
Qualcomm SM7250 Snapdragon 765G 5G (7 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 (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
Adreno 620 |
| Memory | ||
|---|---|---|
| Card slot | No | No |
| Internal | 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM | 256GB 8GB RAM |
| UFS 3.1 |
UFS 2.1 |
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| Main Camera | ||
|---|---|---|
| Modules | 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, 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 |
48 MP, f/1.6, (wide), PDAF, Laser AF, gimbal OIS 8 MP, f/3.4, 135mm (periscope telephoto), 1/4.0", PDAF, OIS, 5x optical zoom 13 MP, f/2.5, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, 2x optical zoom 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm |
| Features | LED flash, auto-HDR, panorama | Dual-LED dual-tone flash, HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 4K@30fps, 1080p@30fps, gyro-EIS |
| Selfie Camera | ||
|---|---|---|
| Modules | 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF | 32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm |
| Features | Dual video call, Auto-HDR | HDR |
| Video | 4K@30/60fps, 1080p@30fps | 1080p@30fps |
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| Sound | ||
|---|---|---|
| Loudspeaker | Yes, with stereo speakers | Yes |
| 3.5mm jack | No | No |
| 32-bit/384kHz audio Tuned by AKG |
32-bit/192kHz Hi-Res audio | |
| 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, dual-band, Wi-Fi Direct |
| Bluetooth | 5.2, A2DP, LE | 5.1, A2DP, LE, aptX HD |
| Positioning | GPS, GLONASS, BDS, GALILEO | GPS, GLONASS, GALILEO, BDS |
| 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 2.0, OTG |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum |
| Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support |
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| Battery | ||
|---|---|---|
| Type | Li-Ion 5000 mAh, non-removable | 4315 mAh, non-removable |
| Charging | 25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless |
33W wired, 57% in 30 min (advertised) |
| Misc | ||
|---|---|---|
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | Gray | SAR | 0.77 W/kg (head) 1.02 W/kg (body) |
| SAR EU | 0.71 W/kg (head) 1.58 W/kg (body) | |
| Models | SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980 | XE710 |
| Price | $ 291.99 / C$ 468.97 / £ 266.25 / € 405.00 | About 760 EUR |
| Tests | ||
|---|---|---|
| Performance | AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) |
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| Display | Contrast ratio: Infinite (nominal) | |
| Loudspeaker | -25.5 LUFS (Very good) | |
| Battery (old) | Endurance rating 114h | |