Product
Motorola Moto G51 5G
Motorola Moto G51 5G
Oppo A5x
Oppo A5x
Battery
Charging 20W wired (India) 10W wired (Global) 45W wired, 33W PPS, 13.5W PD, 50% in 37 min
Type Li-Po 5000 mAh 6000 mAh
Body
Build Glass front, plastic frame, plastic back -
Dimensions 170.5 x 76.5 x 9.1 mm (6.71 x 3.01 x 0.36 in) 165.7 x 76.2 x 8 mm (6.52 x 3.00 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 208 g (7.34 oz) 193 g (6.81 oz)
  Water-repellent design IP65 dust tight and water resistant (low pressure water jets) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 5.1, A2DP, LE, aptX HD/Adaptive 5.1, A2DP, LE
NFC Yes (market/region dependent) No
Positioning GPS, GLONASS, GALILEO GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio Unspecified
USB USB Type-C 2.0 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 - Unspecified
Resolution 1080 x 2400 pixels, 20:9 ratio (~387 ppi density) 720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Size 6.8 inches, 111.6 cm2 (~85.6% screen-to-body ratio) 6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Type IPS LCD, 120Hz IPS LCD, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2021, November 03 2025, May 23
Status Available. Released 2021, December 16 Available. Released 2025, May 25
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single - 32 MP, f/1.9, (wide), AF
Triple 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, f/2.4, (macro) -
Video 1080p@30/60/240fps Yes
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC
Internal 64GB 4GB RAM, 64GB 6GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 128GB 4GB RAM
  - UFS 2.2
Misc
Colors Indigo Blue, Bright Silver, Aqua Blue Tranquil Lake Green, Laser White
Models XT2171-2, XT2171-1 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1900 / 2100 - Europe, Asia, Saudi Arabia HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32, 38, 40, 41, 42, 43 - Europe/Asia LTE
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - Europe/Asia SA/NSA
Speed HSPA 42.2/5.76 Mbps, LTE (CA) Cat18 1200/150 Mbps, 5G HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
  1, 5, 8, 28, 41, 78 SA/NSA/Sub6 - China -
Our Tests
Battery (old) Endurance rating 124h -
Camera Photo / Video -
Display 1634:1 contrast ratio, 595 nits max brightness (measured) -
Loudspeaker -28.3 LUFS (Average) -
Performance AnTuTu: 302859 (v9) GeekBench: 1696 (v5.1) GFXBench: 26fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM4350-AC Snapdragon 480+ 5G (8 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (2x2.2 GHz Kryo 460 & 6x1.8 GHz Kryo 460) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 619 Mali-G57 MC2
OS Android 11, upgradable to Android 12 Android 15, ColorOS 15
Selfie camera
Single 13 MP, f/2.2, (wide), 1.12µm - Global or 16 MP, f/2.2, (wide), 1.12µm - China only 5 MP, f/2.2, (wide)
Video 1080p@30fps Yes
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes