vivo S21 Pro vs vivo X51 5G Comparison
Detailed specs comparison: display, processor, camera, battery and price
Display
Type
AMOLED
AMOLED
Size
6.67"
6.56"
Resolution
QHD+
FHD+
Refresh Rate
120Hz
90Hz
Brightness
—
—
Protection
—
—
Platform
OS
ANDROID Android 15, OriginOS 5
ANDROID Android 10, Funtouch 10.0
Chipset
Mediatek Dimensity 9300+
Qualcomm SM7250 Snapdragon 765G 5G
CPU
Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
GPU
Immortalis-G720 MC12
Adreno 620
AnTuTu Score
—
—
Memory
RAM
16GB
8GB
Storage
512GB
256GB
Storage Type
UFS 3.1
UFS 2.1
Card Slot
No
No
Camera
Main Camera
50MP f/1.9
48MP f/1.6
Selfie Camera
50MP f/2.0
32MP f/2.5
Video (Max)
4K@30fps, 1080p@30fps, gyro-EIS, OIS
4K@30fps, 1080p@30fps, gyro-EIS
OIS
Yes
Yes
Battery
Capacity
5,500 mAh
4,315 mAh
Wired Charging
90W
33W
Wireless Charging
—
—
Fast Charging
—
—
Connectivity
Wi-Fi
Wi-Fi 7, Wi-Fi 6, Wi-Fi 5, Wi-Fi 4, Dual-band
Wi-Fi 5, Wi-Fi 4, Dual-band
Bluetooth
5.3
5.1
NFC
Yes
Yes
5G
Yes
Yes
USB
USB Type-C 2.0
USB Type-C 2.0
GPS
GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
GPS, GLONASS, BeiDou, Galileo
Body
Dimensions
-
158.5 x 72.8 x 8 mm (6.24 x 2.87 x 0.31 in)
Weight
—
181.5g
Build
Glass / glass back / plastic frame
Glass / glass back / aluminum frame
Water Resist
IP68
—
Colors
Gray; other colors
Gray
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