ZTE Blade A31 vs ZTE Blade A51
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| PHONES | ||
|---|---|---|
| Phone Names | ZTE Blade A31 | ZTE Blade A51 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 5, 7, 8, 20, 28, 38 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2021, July 13 | 2021, May 08 |
| Status | Available. Released 2021, July 13 | Available. Released 2021, May 08 |
| Body | ||
|---|---|---|
| Dimensions | 140 x 71 x 8.9 mm (5.51 x 2.80 x 0.35 in) | 166.5 x 75.6 x 8.5 mm (6.56 x 2.98 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 166 g (5.86 oz) | 173.7 g (6.14 oz) |
| Display | ||
|---|---|---|
| Resolution | 720 x 1440 pixels, 18:9 ratio (~295 ppi density) | 720 x 1600 pixels, 20:9 ratio (~269 ppi density) |
| Size | 5.45 inches, 76.7 cm2 (~77.1% screen-to-body ratio) | 6.52 inches, 102.6 cm2 (~81.5% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) | Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55) |
| Chipset | Unisoc SC9863A (28 nm) | Unisoc SC9863A (28 nm) |
| GPU | IMG8322 | IMG8322 |
| OS | Android 11 (Go edition) | Android 11 (Go edition) |
| Memory | ||
|---|---|---|
| Card slot | microSDXC | microSDXC |
| Internal | 32GB 2GB RAM | 32GB 2GB RAM, 64GB 2GB RAM |
| - | eMMC 5.1 | |
| Main Camera | ||
|---|---|---|
| Dual | - | 13 MP, AF 2 MP |
| Features | LED flash, HDR | LED flash, HDR |
| Single | 8 MP | - |
| Video | 720p@30fps | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Single | 2 MP (up-scaled to 5 MP) | 5 MP |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 4.2, A2DP, LE | 4.2, A2DP, LE |
| NFC | Yes (market/region dependent) | Yes |
| Positioning | GPS, GLONASS | GPS, GLONASS |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n |
| Features | ||
|---|---|---|
| Sensors | Accelerometer | Fingerprint (rear-mounted), accelerometer, proximity |
| Battery | ||
|---|---|---|
| Type | Li-Ion 3000 mAh, removable | Li-Ion 3200 mAh |
| Misc | ||
|---|---|---|
| Colors | Blue, Gray | Blue, Gray |