| Product |
Samsung Galaxy A51
|
Vivo Y400 Pro
|
| Battery |
| Charging |
15W wired |
90W wired, 50% in 19 min
6W reverse wired |
| Type |
Li-Po 4000 mAh, non-removable |
Li-Ion 5500 mAh |
| Body |
| Build |
Glass front (Gorilla Glass 3), plastic back, plastic frame |
Glass front, plastic back, plastic frame |
| Dimensions |
158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) |
163.8 x 75.0 x 7.5 or 7.7 mm |
| SIM |
Nano-SIMNano-SIM + Nano-SIM |
Nano-SIM + Nano-SIM |
| Weight |
172 g (6.07 oz) |
182 g (6.42 oz) |
| |
- |
IP65 dust tight and water resistant (low pressure water jets) |
| Comms |
| Bluetooth |
5.0, A2DP, LE |
5.4, A2DP, LE |
| Infrared port |
- |
Yes |
| NFC |
Yes |
No |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio |
FM radio |
No |
| USB |
USB Type-C 2.0, OTG |
USB Type-C 2.0, OTG |
| WLAN |
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Display |
| Protection |
Corning Gorilla Glass 3 |
- |
| Resolution |
1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
1080 x 2392 pixels (~388 ppi density) |
| Size |
6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) |
6.77 inches, 110.9 cm2 (~90.3% screen-to-body ratio) |
| Type |
Super AMOLED |
AMOLED, 120Hz, HDR, 1300 nits (HBM), 4500 nits (peak) |
| Features |
| Sensors |
Fingerprint (under display, optical), accelerometer, gyro, compass |
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| |
Virtual proximity sensing
ANT+ |
Circle to Search |
| Launch |
| Announced |
2019, December 12 |
2025, June 20 |
| Status |
Available. Released 2019, December 16 |
Available. Released 2025, June 27 |
| Main Camera |
| Dual |
- |
50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF
2 MP, f/2.4, (depth) |
| Features |
LED flash, panorama, HDR |
Ring-LED flash, panorama, HDR |
| Quad |
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth) |
- |
| Video |
4K@30fps, 1080p@30/120fps; gyro-EIS |
4K@30fps, 1080p@30fps, gyro-EIS |
| Memory |
| Card slot |
microSDXC (dedicated slot) |
No |
| Internal |
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
128GB 8GB RAM, 256GB 8GB RAM |
| |
UFS 2.0 |
UFS 3.1 |
| Misc |
| Colors |
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink |
Fest Gold, Freestyle White, Nebula Purple |
| Models |
SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL |
- |
| SAR |
0.80 W/kg (head) 0.67 W/kg (body) |
0.90 W/kg (head) |
| SAR EU |
0.37 W/kg (head) 1.59 W/kg (body) |
0.85 W/kg (head) |
| Network |
| 2G bands |
GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 |
| 3G bands |
HSDPA 850 / 900 / 1900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G bands |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 |
1, 3, 5, 8, 28, 38, 40, 41 |
| 5G bands |
- |
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA |
| Speed |
HSPA, LTE |
HSPA, LTE, 5G |
| Technology |
GSM / HSPA / LTE |
GSM / HSPA / LTE / 5G |
| |
2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U |
- |
| Our Tests |
| Audio quality |
Noise -93.1dB / Crosstalk -87.3dB |
- |
| Battery (old) |
Endurance rating 86h |
- |
| Camera |
Photo / Video |
- |
| Display |
636 nits max brightness (measured) |
- |
| Loudspeaker |
-28.6 LUFS (Average) |
- |
| Performance |
AnTuTu: 113051 (v7), 175363 (v8)
GeekBench: 5401 (v4.4), 1294 (v5.1)
GFXBench: 5.6fps (ES 3.1 onscreen) |
- |
| Platform |
| Chipset |
Exynos 9611 (10 nm) |
Mediatek Dimensity 7300 (4 nm) |
| CPU |
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) |
| GPU |
Mali-G72 MP3 |
Mali-G615 MC2 |
| OS |
Android 10, upgradable to Android 13, One UI 5 |
Android 15, Funtouch 15 |
| Selfie camera |
| Features |
HDR |
- |
| Single |
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
32 MP, f/2.5, (wide) |
| Video |
4K@30fps, 1080p@30fps |
4K@30fps, 1080p@30fps |
| Sound |
| 3.5mm jack |
Yes |
No |
| Loudspeaker |
Yes |
Yes, with stereo speakers |
| |
- |
24-bit/192kHz Hi-Res & Hi-Res wireless audio |
