Home Phone comparison Vivo iQOO Z9 Turbo and Samsung Galaxy A21s - Which is better?

Vivo iQOO Z9 Turbo vs Samsung Galaxy A21s

77 out 100
Vivo iQOO Z9 Turbo
VS
39 out 100
Samsung Galaxy A21s
Vivo iQOO Z9 Turbo
Samsung Galaxy A21s

Compared 2 smartphones : Vivo iQOO Z9 Turbo Manufactured in April, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8s Gen 3, vs Samsung Galaxy A21s, Manufactured in June, 2020 with chipsetSamsung Exynos 850. 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 Vivo iQOO Z9 Turbo
  • Larger display: 6.78in
  • Higher pixel density: 453ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy A21s
  • Lighter design: 192g vs 194.9g
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB		 - 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

Review

Key Specs Vivo iQOO Z9 Turbo and Samsung Galaxy A21s
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:
Vivo iQOO Z9 Turbo
vs
Samsung Galaxy A21s

Display

Display quality comparison
Type AMOLED PLS TFT
Size 6.78 in 6.5 in
Resolution 1260x2800 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 453 ppi 270 ppi
Refresh rate 144 Hz 60 Hz
Adaptive refresh rate Yes No
Max brightness n/a 540 nits
HDR support Yes HDR10+ No
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 89.3 % 82.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Vivo iQOO Z9 Turbo
n/a
Samsung Galaxy A21s
487 nits
sRGB gamutn/a88.4 %
PWM (Flicker)n/a500 Hz
Response timen/a30.4 ms
Contrastn/a1500:1
Sources: NotebookCheck [Samsung Galaxy A21s]

Design & Build

Design and ergonomics comparison
Height 163.72 mm (6.45 in) 163.6 mm (6.44 in)
Width 75.88 mm (2.99 in) 75.3 mm (2.96 in)
Thickness 7.98 mm (0.31 in) 8.9 mm (0.35 in)
Weight 194.9 g (6.87 oz) 192 g (6.77 oz)
Water resistance IP64 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Plastic Plastic
Colors - White
- Black
- Green		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Vivo iQOO Z9 Turbo
89.3 %
Samsung Galaxy A21s
82.9 %

Performance

Testing Vivo iQOO Z9 Turbo and Samsung Galaxy A21s In benchmarks
Processor
Chipset Qualcomm Snapdragon 8s Gen 3 Samsung Exynos 850
Max Frequency 3000 MHz 2000 MHz
CPU Cores 8 (1 + 4 + 3) 8 (8)
Architecture - 3/2 (Cortex-A520)
- 4/2.8 (Cortex-A720)
- 1/3 (Cortex-X4)		 8/2 (Cortex-A55)
Process TSMC Samsung
Transistor Size 4 nm 8 nm
Neural Processor Hexagon No
Graphics Adreno 735 Mali-G52 MP1
GPU Cores 768 24
GPU Frequency 1100 MHz 850 MHz
FLOPS 1689.6 GFLOPS 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO Z9 Turbo
1965
Samsung Galaxy A21s
484
Geekbench 6 (Multi-Core)
Vivo iQOO Z9 Turbo
5187
Samsung Galaxy A21s
1523
Geekbench 6 (Single-Core)1965484
Geekbench 6 (Multi-Core)51871523
Geekbench Compute (GPU)10406n/a
Sources: Geekbench v6 [Vivo iQOO Z9 Turbo]
AnTuTu 10
AnTuTu 10
Vivo iQOO Z9 Turbo
1501794
Samsung Galaxy A21s
191375
CPU38150768748
GPU54155126807
Memory28755259210
UX29118436610
NanoReview Score1501794191375
3DMark Wild Life
3DMark Wild Life
Vivo iQOO Z9 Turbo
11216
Samsung Galaxy A21s
425
Max Surface Temp.n/a43.2 °C
Stabilityn/a98 %
Graphics Testn/a2 fps
Graphics Scoren/a425
Sources: 3DMark [Vivo iQOO Z9 Turbo], [Samsung Galaxy A21s]
PCMark 3.0
PCMark 3.0
Vivo iQOO Z9 Turbo
12475
Samsung Galaxy A21s
5429
Writing score149785426
Web score98494708
Video editing61615145
Data manipulation128443808
NanoReview Score124755429

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 3 GB
- 4 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 1866 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB		- 32 GB
- 64 GB
Storage TypeUFS 4.0eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 14 Android 10 (Upgradeable to Android 12)
OS Size n/a 12 GB
UI Skin OriginOS 4 One UI 4.1

Battery

Volume 6000 mAh 5000 mAh
Max Charging Power 80 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (50% in 17 min) Yes (50% in 60 min)
Full Charge Time 0:39 h 2:10 h
Battery Life Test
Battery Life
Vivo iQOO Z9 Turbo
n/a
Samsung Galaxy A21s
25:00
Web Browsingn/a09:45 h
Video Playbackn/a14:13 h
Gamesn/a05:34 h
Standby Moden/a128 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) No
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal lengthn/a26 mm
SensorSony LYT-600Samsung S5KGM2
Sensor size1/1.951/2.0
Pixel size0.8 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
SensorGalaxyCore GC08A3n/a
Sensor size1/41/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 13 MP
Photo resolution n/a 4128x3096 pixels
Aperture f/2.5 f/2.2
Sensor Samsung S5K3P9 CMOS
Sensor size 1/3.0 1/3.1
Pixel size 1 μm 1.12 μm
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 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
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 No n/a
GPS - GPS
- GLONASS
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzGSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1/B5/B8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B3/B5/B8/B28/B34/B38/B39/B40/B41)LTE (B1/B2/B3/B5/B7/B8/B20/B28)
LTE categoryn/a13
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos n/a Yes
Speaker Test
Max Volume
Vivo iQOO Z9 Turbo
n/a
Samsung Galaxy A21s
79.5 dB

Other

Class Mid-range Budget
Announced April, 2024 yr May, 2020 yr
Release Date April, 2024 yr June, 2020 yr
Launch Price ($) 375 200
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 80 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo iQOO Z9 Turbo the clear winner in this comparison.

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