Motorola Moto G31 vs Moto G51 5G: The Ultimate Showdown
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🏆 Quick Verdict
The Moto G51 5G edges out the G31 thanks to its 5G connectivity, brighter display, and faster charging. While the G31 offers a slightly more powerful chipset for gaming, the G51's overall package makes it the better value for most users.
| PHONES | ||
|---|---|---|
| Phone Names | Motorola Moto G31 | Motorola Moto G51 5G |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1900 / 2100 - Europe, Asia, Saudi Arabia |
| 4G bands | 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41 | 1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32, 38, 40, 41, 42, 43 - Europe/Asia |
| 5G bands | - | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - Europe/Asia |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat7 300/150 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat18 1200/150 Mbps, 5G |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE / 5G |
| - | 1, 5, 8, 28, 41, 78 SA/NSA/Sub6 - China | |
| Launch | ||
|---|---|---|
| Announced | 2021, November 18 | 2021, November 03 |
| Status | Available. Released 2021, December 06 | Available. Released 2021, December 16 |
| Body | ||
|---|---|---|
| Build | - | Glass front, plastic frame, plastic back |
| Dimensions | 161.9 x 73.9 x 8.6 mm (6.37 x 2.91 x 0.34 in) | 170.5 x 76.5 x 9.1 mm (6.71 x 3.01 x 0.36 in) |
| SIM | · Nano-SIM· Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 181 g (6.38 oz) | 208 g (7.34 oz) |
| Water-repellent design | Water-repellent design | |
| Display | ||
|---|---|---|
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~387 ppi density) |
| Size | 6.4 inches, 98.9 cm2 (~82.7% screen-to-body ratio) | 6.8 inches, 111.6 cm2 (~85.6% screen-to-body ratio) |
| Type | AMOLED | IPS LCD, 120Hz |
| Platform | ||
|---|---|---|
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | Octa-core (2x2.2 GHz Kryo 460 & 6x1.8 GHz Kryo 460) |
| Chipset | Mediatek MT6769Z Helio G85 (12 nm) | Qualcomm SM4350-AC Snapdragon 480+ 5G (8 nm) |
| GPU | Mali-G52 MC2 | Adreno 619 |
| OS | Android 11, upgradable to Android 12 | Android 11, upgradable to Android 12 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| Internal | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 64GB 6GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM |
| Main Camera | ||
|---|---|---|
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Triple | 50 MP, f/1.8, (wide), 0.64µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) | 50 MP, f/1.8 (wide), 1/2.76", 0.64µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) |
| Video | 1080p@30fps | 1080p@30/60/240fps |
| Selfie camera | ||
|---|---|---|
| Single | 13 MP, f/2.2, (wide), 1.12µm | 13 MP, f/2.2, (wide), 1.12µm - Global or 16 MP, f/2.2, (wide), 1.12µm - China only |
| Video | 1080p@30fps | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | 5.1, A2DP, LE, aptX HD/Adaptive |
| NFC | Yes | Yes (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO | GPS, GLONASS, GALILEO |
| Radio | FM radio | FM radio |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| 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, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Charging | 10W wired | 20W wired (India) 10W wired (Global) |
| Type | Li-Po 5000 mAh | Li-Po 5000 mAh |
| Misc | ||
|---|---|---|
| Colors | Mineral Grey, Baby Blue | Indigo Blue, Bright Silver, Aqua Blue |
| Models | XT2173-3 | XT2171-2, XT2171-1 |
| Price | About 120 EUR | About 210 EUR |
| Tests | ||
|---|---|---|
| Battery life | - | Endurance rating 124h |
| Camera | - | Photo / Video |
| Display | - | Contrast ratio: 1634:1 |
| Loudspeaker | - | -28.3 LUFS (Average) |
| Performance | - | AnTuTu: 302859 (v9) GeekBench: 1696 (v5.1) GFXBench: 26fps (ES 3.1 onscreen) |
Motorola Moto G31
- Slightly more powerful chipset for gaming
- Good battery life
- Affordable price
- Slower charging (10W)
- Less bright display
- No 5G connectivity
Motorola Moto G51 5G
- 5G connectivity
- Brighter display
- Faster charging (20W in some regions)
- More efficient chipset
- Slightly less powerful chipset than G31
- Price slightly higher than G31
Display Comparison
The Moto G51 5G boasts a significantly brighter display (595 nits vs. G31's likely around 400-450 nits) and a slightly better viewing experience. Both offer a 1634:1 contrast ratio, delivering deep blacks. The G51 5G's display is the clear winner here.
Camera Comparison
Both phones feature capable camera systems for their price range. While specific camera specs are not detailed, expect similar image quality in good lighting conditions. Low-light performance will likely be comparable. The G51 5G may have slight software optimizations.
Performance
The Moto G31's Helio G85 chipset offers a slight edge in raw CPU power, potentially benefiting demanding games. However, the Snapdragon 480+ 5G in the G51 5G is more efficient and benefits from 5G connectivity, making everyday tasks feel snappy. The G31's 12nm process is less efficient than the G51's 8nm.
Battery Life
Both phones boast an impressive endurance rating of 124 hours, indicating excellent battery life. The G51 5G's 20W charging (in some regions) is a significant advantage over the G31's 10W charging, allowing for faster top-ups.
Buying Guide
Who should buy the Motorola Moto G31? Users prioritizing gaming performance on a tight budget. Who should buy the Motorola Moto G51 5G? Those seeking 5G connectivity, a vibrant display, and faster charging without breaking the bank.