Compare
Specifications
vivo Y51 (2015) |
Xiaomi Redmi 4 (4X) |
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Full
Differences
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vivo Y51 (2015) |
Xiaomi Redmi 4 (4X) |
| Network | ||
|---|---|---|
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 850 / 900 / 1800 / 2100 / 2600 - Malaysia | 1, 3, 5, 7, 8, 38, 39, 40, 41 |
| LTE 900 / 1800 / 2100 - Thailand, Indonesia | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps |
| Launch | ||
|---|---|---|
| Announced | 2015, December. Released 2015, December | 2017, May |
| Status | Discontinued | Available. Released 2017, May |
| Body | ||
|---|---|---|
| Dimensions | 143.8 x 71.7 x 7.5 mm (5.66 x 2.82 x 0.30 in) | 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in) |
| Weight | 157 g (5.54 oz) | 150 g (5.29 oz) |
| Build | Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends | |
| SIM | Dual SIM | Hybrid Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) |
| Display | ||
|---|---|---|
| Type | IPS LCD | IPS LCD |
| Size | 5.0 inches, 68.9 cm2 (~66.8% screen-to-body ratio) | 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio) |
| Resolution | 540 x 960 pixels, 16:9 ratio (~220 ppi density) | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) |
| Protection | Corning Gorilla Glass (unspecified version) | |
| Platform | ||
|---|---|---|
| OS | Android 5.0.2 (Lollipop), Funtouch 2.5 | Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11 |
| Chipset | Qualcomm MSM8916 Snapdragon 410 (28 nm) | Qualcomm MSM8940 Snapdragon 435 (28 nm) |
| CPU | Quad-core 1.2 GHz Cortex-A53 | Octa-core 1.4 GHz Cortex-A53 |
| GPU | Adreno 306 | Adreno 505 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (uses shared SIM slot) |
| Internal | 16GB 2GB RAM | 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM |
| eMMC 4.5 | eMMC 5.1 | |
| Main Camera | ||
|---|---|---|
| Modules | 8 MP, AF | 13 MP, f/2.0, PDAF |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie Camera | ||
|---|---|---|
| Modules | 5 MP | 5 MP, f/2.2 |
| Video | 720p@30fps | 1080p@30fps |
ADVERTISEMENT
| Sound | ||
|---|---|---|
| Loudspeaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| Comms | ||
|---|---|---|
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth | 4.0, A2DP | 4.2, A2DP, LE |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, BDS |
| NFC | No | No |
| Infrared port | No | Yes |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | microUSB 2.0 |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Type | Li-Ion 2350 mAh, non-removable | Li-Po 4100 mAh, non-removable |
| Stand-by | Up to 432 h (3G) | |
| Talk time | Up to 36 h (3G) | |
| Music play | Up to 87 h | |
| Misc | ||
|---|---|---|
| Colors | White | Black, Gold | SAR | 0.77 W/kg (head) 0.83 W/kg (body) |
| Models | Y51L, Y51, 1707, Y51A | 2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X |
| Price | About 130 EUR | About 110 EUR |
| Tests | ||
|---|---|---|
| Performance | GeekBench: 1819 (v4.4) GFXBench: 5.1fps (ES 3.1 onscreen) |
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| Display | Contrast ratio: 915 (nominal), 2.920 (sunlight) | |
| Loudspeaker | Voice 64dB / Noise 70dB / Ring 72dB | |
| Audio quality | Noise -94.3dB / Crosstalk -94dB | |
| Battery (old) | Endurance rating 80h | |