Category Breakdown
Oppo Reno Ace
vivo X51 5G
Performance
89.487.8
Camera
95.591.0
Display
83.785.2
Battery
28.130.0
Build
81.278.7
Connectivity
68.680.5
Audio
70.78.9
Overall
67.164.9
Summary
- The Oppo Reno Ace features a robust build with Gorilla Glass 6 on the front and Gorilla Glass 5 on the back, while the vivo X51 5G also utilizes glass and aluminum but is slightly lighter.
- Both devices have a 90Hz AMOLED display, with the Reno Ace measuring 6.5 inches and the X51 5G at 6.56 inches, though the latter supports HDR10+.
- In terms of performance, the Reno Ace is powered by the Snapdragon 855+, offering higher clock speeds compared to the Snapdragon 765G in the X51 5G, which also supports 5G connectivity.
- Camera capabilities are strong in both, but the X51 5G includes a gimbal stabilization feature and a higher resolution selfie camera at 32 MP, while the Reno Ace has a more versatile rear camera setup.
- The Reno Ace has a 4000 mAh battery with faster 65W charging, whereas the X51 5G has a slightly larger 4315 mAh battery with 33W charging.
- Software-wise, the Reno Ace runs on ColorOS 7.0 based on Android 9, while the X51 5G operates on Funtouch 10.0 based on Android 10.
Side-by-side Specification Comparison
Oppo Reno Ace
vivo X51 5G
General
Release Date
2019
2020, October 21
Announced
2019
2020, October 21
Description
N/A
N/A
Display
Size
6.5"
6.56"
Type
AMOLED, 90Hz, HDR10, 500 nits (typ)
AMOLED, 90Hz, HDR10+
Resolution
1080 x 2400 pixels, 20:9 ratio (~402 ppi density)
1080 x 2376 pixels (~398 ppi density)
PPI
1080
1080
Refresh Rate
90Hz
90Hz
HDR Support
✓
✓
Protection
Corning Gorilla Glass 6
N/A
Performance
Chipset
Qualcomm SM8150 Snapdragon 855+ (7 nm)
Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
CPU
Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
GPU
Adreno 640 (700 MHz)
Adreno 620
Memory
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS13 MP, f/2.4, 53mm (telephoto), 1/3.4", 1.0µm, PDAF, 2x optical zoom8 MP, f/2.2, 13mm (ultrawide), 1/3.2", 1.4µm, AF2 MP B/W, f/2.4, 1/5.0", 1.75µm
48 MP, f/1.6, (wide), PDAF, gimbal OIS8 MP, f/3.4, 135mm (periscope telephoto), 1/4.0", PDAF, OIS, 5x optical zoom13 MP, f/2.5, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, 2x optical zoom8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm
Main Camera Features
Dual-LED flash, HDR, panorama
Laser AF, color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Front Camera
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
32 MP, f/2.5, 26mm (wide), 1/2.8", 0.8µm
Front Camera Features
HDR
HDR
Video Recording
4K@30/60fps, 1080p@30/60/120/240fps; (gyro-EIS); video rec. only with main camera
4K@30fps, 1080p@30fps, gyro-EIS
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
4315 mAh
Battery Details
Li-Po 4000 mAh, non-removable
4315 mAh
Charging Details
65W wired, 100% in 30 min
33W wired, 57% in 30 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
161 x 75.7 x 8.7 mm (6.34 x 2.98 x 0.34 in)
158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in)
Weight
200 g
181.5 g
Materials
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame
Glass front, glass back, aluminum frame
Colors
Electric purple, Interstellar blue, Gundam Edition
Gray
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / EVDO / LTE
GSM / CDMA / HSPA / LTE / 5G
Network Speed
HSPA, LTE
HSPA, LTE, 5G
5G
✗
✓
4G
✓
✓
WiFi
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
Bluetooth
5.0, A2DP, LE, aptX HD
5.1, A2DP, LE, aptX HD
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS (L1+L5), GLONASS, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes, with dual speakers
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 9.0 (Pie), upgradable to Android 10, ColorOS 7.0
Android 10, Funtouch 10.0
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

