vivo Y51a
#2334
vivo Z5i
#2476Category Breakdown
vivo Y51a
vivo Z5i
Performance
64.864.8
Camera
47.946.3
Display
70.570.5
Battery
58.558.5
Build
68.868.8
Overall
61.160.8
Summary
- The vivo Y51a features a slightly larger 6.58-inch IPS LCD display with a resolution of 1080 x 2408 pixels, compared to the 6.53-inch display of the vivo Z5i at 1080 x 2340 pixels.
- In terms of performance, the Y51a is powered by the Snapdragon 662 chipset, while the Z5i uses the Snapdragon 675, which may offer better performance in demanding tasks.
- The camera system on the Y51a includes a 48 MP main sensor, providing superior resolution over the Z5i's 16 MP main sensor, although both have similar secondary camera setups.
- Both phones have a 5000 mAh battery with 18W charging, ensuring long usage times.
- The Y51a runs on Android 11 with Funtouch 12, offering a more recent software experience compared to the Z5i's Android 9.0 with Funtouch 9.2.
- In terms of build, the Y51a is slightly lighter at 188g compared to the Z5i's 193g.
Side-by-side Specification Comparison
vivo Y51a
vivo Z5i
General
Release Date
2021, January 08
2019
Announced
2021, January 08
2019
Description
N/A
For China
Display
Size
6.58"
6.53"
Type
IPS LCD
IPS LCD
Resolution
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm SM6115 Snapdragon 662 (11 nm)
Qualcomm SDM675 Snapdragon 675 (11 nm)
CPU
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
GPU
Adreno 610
Adreno 612
Memory
128GB 6GB RAM, 128GB 8GB RAM
128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Camera
Main Camera
48 MP
16 MP
Main Camera Details
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (macro)
16 MP, f/1.8, (wide), PDAF8 MP, f/2.2, 13mm (ultrawide)2 MP, f/2.4, (macro)
Front Camera
16 MP
16 MP
Front Camera Details
16 MP, f/2.0, (wide), 1/3.06" 1.0µm
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video Recording
4K@30fps, 1080p@30fps, gyro-EIS
4K@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
5000 mAh
Battery Details
5000 mAh
5000 mAh, non-removable
Charging Details
18W wired, 70% in 67 min
18W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)
162.2 x 76.5 x 8.9 mm (6.39 x 3.01 x 0.35 in)
Weight
188 g
193 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Titanium Sapphire, Crystal Symphony
Glazed Black, Jade Blue
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA, LTE
HSPA, LTE
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
5.0, A2DP, LE, aptX
NFC
✗
✗
USB
USB Type-C 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, BDS
Software
Operating System
Android 11, upgradable to Android 12, Funtouch 12
Android 9.0 (Pie), Funtouch 9.2
OS Version
Android 11, upgradable to Android 12, Funtouch 12
Android 9.0 (Pie), Funtouch 9.2
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes