vivo Y51a vs Z1
Specs compared side by side, measured on real phones shared by owners with the Device Info app.
Key differences
- 1Chipset: the Y51a uses the Snapdragon 662 (11 nm), the Z1 the Snapdragon 660 (14 nm). The Y51a's fastest core runs at 2.02 GHz, the Z1's at 2.21 GHz.
- 2Screen: 6.6 inches on the Y51a, 6.3 inches on the Z1. Both run at up to 60 Hz.
- 3Battery: 5,000 mAh on the Y51a, 3,260 mAh on the Z1.
- 4Main camera: 12 MP on the Y51a, 13 MP on the Z1.
Chipset
Chipset
Snapdragon 662Snapdragon 660Process
11 nm14 nm
CPU
4× 2.02 GHz Kryo 260 Gold
4× 1.80 GHz Kryo 260 Silver4× 2.21 GHz Kryo 260 Gold
4× 1.84 GHz Kryo 260 Silver
4× 1.80 GHz Kryo 260 Silver4× 2.21 GHz Kryo 260 Gold
4× 1.84 GHz Kryo 260 Silver
Top CPU speed
2.02 GHz2.21 GHz
CPU cores
88
GPU
Adreno 610Adreno 512
Memory
Versions seen
8GB | 128GB4GB | 64GB
RAM type
LPDDR4XLPDDR4
Display
Size
6.6 in6.3 in
Resolution
1080 × 24081080 × 2280
Pixel density
403 ppi402 ppi
Refresh rates
60 Hz60 Hz
HDR
HDR10, HLG—
Battery
Capacity
5,000 mAh3,260 mAh
Cameras
Back camera
12 MP4000 × 3000 · f/1.79 · 2.36 mm13 MP4160 × 3120 · 3.7 mm
Front camera
8 MP3264 × 2448 · f/1.8 · 2.64 mm23.8 MP5632 × 4224 · 3.84 mm
Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.
Connectivity
Wi-Fi
Wi-Fi 5—
6 GHz Wi-Fi
No—
Bluetooth LE Audio
No—
NFC
NoNo
UWB
NoNo
USB host
YesYes
Software
Android
Android 13Android 9
Released with
Android 11Android 8.1
Widevine DRM
L1L3
Sensors
Sensors
31 sensors36 sensors
These two phones have the same specs in every row.
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