Home Phone comparison Samsung Galaxy A21s and Vivo iQOO Z10 - Which is better?

Samsung Galaxy A21s vs Vivo iQOO Z10

39 out 100
Samsung Galaxy A21s
VS
69 out 100
Vivo iQOO Z10
Samsung Galaxy A21s
Vivo iQOO Z10

Compared 2 smartphones : Samsung Galaxy A21s Manufactured in June, 2020, with display 6.5 with chipsetSamsung Exynos 850, vs Vivo iQOO Z10, Manufactured in April, 2025 with chipsetQualcomm Snapdragon 7s Gen 3. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A21s
  • Lighter design: 192g vs 199g
  • Supports Dolby Atmos
Reasons to choose Vivo iQOO Z10
  • Larger display: 6.77in
  • Higher pixel density: 388ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 7300mAh vs 5000mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Samsung Galaxy A21s and Vivo iQOO Z10
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy A21s
vs
Vivo iQOO Z10

Display

Display quality comparison
Type PLS TFT AMOLED
Size 6.5 in 6.77 in
Resolution 720x1600 pixels 1080x2392 pixels
Aspect ratio 20:9 20:9
Pixel density 270 ppi 388 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 540 nits n/a
HDR support No Yes HDR10+
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 82.9 % 88.7 %
Features n/a - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A21s
487 nits
Vivo iQOO Z10
n/a
sRGB gamut88.4 %n/a
PWM (Flicker)500 Hzn/a
Response time30.4 msn/a
Contrast1500:1n/a
Sources: NotebookCheck [Samsung Galaxy A21s]

Design & Build

Design and ergonomics comparison
Height 163.6 mm (6.44 in) 163.4 mm (6.43 in)
Width 75.3 mm (2.96 in) 76.4 mm (3.01 in)
Thickness 8.9 mm (0.35 in) 7.93 mm (0.31 in)
Weight 192 g (6.77 oz) 199 g (7.02 oz)
Water resistance No Yes
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Black
- Blue
- Red		 - Black
- Silver
Fingerprint sensor Yes rear Yes In-Display
Screen-to-body ratio
Samsung Galaxy A21s
82.9 %
Vivo iQOO Z10
88.7 %

Performance

Testing Samsung Galaxy A21s and Vivo iQOO Z10 In benchmarks
Processor
Chipset Samsung Exynos 850 Qualcomm Snapdragon 7s Gen 3
Max Frequency 2000 MHz 2500 MHz
CPU Cores 8 (8) 8 (1 + 3 + 4)
Architecture 8/2 (Cortex-A55) - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.4 (Kryo Gold (Cortex-A720))
- 1/2.5 (Kryo Prime (Cortex-A720))
Process Samsung TSMC
Transistor Size 8 nm 4 nm
Neural Processor No Yes
Graphics Mali-G52 MP1 Adreno 810
GPU Cores 24 256
GPU Frequency 850 MHz 1050 MHz
FLOPS 40.8 GFLOPS 537.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A21s
484
Vivo iQOO Z10
1159
Geekbench 6 (Multi-Core)
Samsung Galaxy A21s
1523
Vivo iQOO Z10
3291
Geekbench 6 (Single-Core)4841159
Geekbench 6 (Multi-Core)15233291
Sources: Geekbench v6 [Vivo iQOO Z10]
AnTuTu 10
AnTuTu 10
Samsung Galaxy A21s
191375
Vivo iQOO Z10
804936
CPU68748273371
GPU26807205536
Memory59210142285
UX36610183744
NanoReview Score191375804936
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A21s
425
Vivo iQOO Z10
n/a
Max Surface Temp.43.2 °Cn/a
Stability98 %n/a
Graphics Test2 fpsn/a
Graphics Score425n/a
Sources: 3DMark [Samsung Galaxy A21s]
PCMark 3.0
PCMark 3.0
Samsung Galaxy A21s
5429
Vivo iQOO Z10
n/a
Writing score5426n/a
Web score4708n/a
Video editing5145n/a
Data manipulation3808n/a
NanoReview Score5429n/a

Memory

RAM
RAM Size - 3 GB
- 4 GB		 - 8 GB
- 12 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 1866 MHz 4800 MHz
Channels 2 4
Storage
Storage Capacity- 32 GB
- 64 GB		- 128 GB
- 256 GB
Storage TypeeMMC 5.1UFS 3.1
Memory CardMicroSDn/a

Software

OS Android 10 (Upgradeable to Android 12) Android 15
OS Size 12 GB n/a
UI Skin One UI 4.1 FuntouchOS 15

Battery

Volume 5000 mAh 7300 mAh
Max Charging Power 15 W 90 W
Battery Type Li-Po Silicon Carbon
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 60 min) Yes
Full Charge Time 2:10 h n/a
Battery Life Test
Battery Life
Samsung Galaxy A21s
25:00
Vivo iQOO Z10
n/a
Web Browsing09:45 h34:00 h
Video Playback14:13 h29:00 h
Games05:34 h9:00 h
Standby Mode128 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No n/a
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion No n/a
Wide-angle lens 123 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 50 MP
Depth: 2 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mmn/a
SensorSamsung S5KGM2Sony IMX882
Sensor size1/2.01/1.95
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 13 MP 8 MP
Photo resolution 4128x3096 pixels n/a
Aperture f/2.2 f/2.0
Sensor CMOS n/a
Sensor size 1/3.1 n/a
Pixel size 1.12 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.2
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850/900/1800Mhz
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)LTE B1/B5/B6/B8/B19
LTE Bands*LTE (B1/B2/B3/B5/B7/B8/B20/B28)LTE (B1/B3/B5/B8/B38/B40/B41)
LTE category13n/a
5G SupportNoYes

Sound

Speakers Mono Mono
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy A21s
79.5 dB
Vivo iQOO Z10
n/a

Other

Class Budget Mid-range
Announced May, 2020 yr April, 2025 yr
Release Date June, 2020 yr April, 2025 yr
Launch Price ($) 200 255
Sensors - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes 90 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo iQOO Z10 the clear winner in this comparison.

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