Home Phone comparison Samsung Galaxy A51 and Tecno Spark Go 2 - Which is better?

Samsung Galaxy A51 vs Tecno Spark Go 2

41 out 100
Samsung Galaxy A51
VS
46 out 100
Tecno Spark Go 2
Samsung Galaxy A51
Tecno Spark Go 2

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Tecno Spark Go 2, Manufactured in June, 2025 with chipsetUnisoc T7250. 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 A51
  • Higher pixel density: 405ppi
  • Lighter design: 172g vs 186g
  • Supports Dolby Atmos
Reasons to choose Tecno Spark Go 2
  • Larger display: 6.67in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy A51 and Tecno Spark Go 2
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.
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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 A51
vs
Tecno Spark Go 2

Display

Display quality comparison
Type Super AMOLED IPS LCD
Size 6.5 in 6.67 in
Resolution 1080x2400 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 405 ppi 263 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No No
Max brightness 400 nits 500 nits
HDR support No No
Screen-to-body ratio 87.5 % 84.2 %
Features Always-On Display n/a
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Tecno Spark Go 2
n/a
sRGB gamut98.8 %n/a
PWM (Flicker)242 Hzn/a
Response time25 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 158.5 mm (6.24 in) 165.6 mm (6.52 in)
Width 73.6 mm (2.9 in) 77 mm (3.03 in)
Thickness 7.9 mm (0.31 in) 8.25 mm (0.32 in)
Weight 172 g (6.07 oz) 186 g (6.56 oz)
Water resistance No IP64
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black		 - White
- Black
- Gray
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Tecno Spark Go 2
84.2 %

Performance

Testing Samsung Galaxy A51 and Tecno Spark Go 2 In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Unisoc T7250
Max Frequency 2300 MHz 1800 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 6/1.6 (Cortex-A55)
- 2/1.8 (Cortex-A75)
Process Samsung TSMC
Transistor Size 10 nm 12 nm
Neural Processor Yes No
Graphics Mali-G72 MP3 Mali-G57 MP1
GPU Cores 54 32
GPU Frequency 850 MHz 850 MHz
FLOPS 113.8 GFLOPS 54.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Tecno Spark Go 2
438
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Tecno Spark Go 2
1437
Geekbench 6 (Single-Core)512438
Geekbench 6 (Multi-Core)15561437
Sources: Geekbench v6 [Tecno Spark Go 2]
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Tecno Spark Go 2
301646
CPU8385795156
GPU4516626471
Memory63828109093
UX7590970926
NanoReview Score268760301646
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Tecno Spark Go 2
n/a
Max Surface Temp.42.2 °Cn/a
Stability95 %n/a
Graphics Test4 fpsn/a
Graphics Score812n/a
Sources: 3DMark [Samsung Galaxy A51]

Memory

RAM
RAM Size - 4 GB
- 6 GB		 3 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		64 GB
Storage TypeUFS 2.0eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 10 (Upgradeable to Android 13) Android 15
OS Size 23 GB n/a
UI Skin One UI 5.1 HIOS 15

Battery

Volume 4000 mAh 5000 mAh
Max Charging Power 15 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (40% in 35 min) Yes (49% in 40 min)
Full Charge Time 1:50 h 1:55 h
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Tecno Spark Go 2
n/a
Web Browsing07:15 hn/a
Video Playback11:25 hn/a
Games04:49 hn/a
Standby Mode81 hn/a

Main camera

Matrix 48 MP 13 MP
Photo resolution 8000x6000 pixels n/a
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 13 MP
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix48 MP13 MP
Aperturef/2.0f/1.8
Focal length26 mm27 mm
SensorSony IMX582n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 8 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.2 n/a
Focal length 26 mm n/a
Sensor Samsung S5KGD1 CMOS
Sensor size 1/2.8 n/a
Pixel size 0.8 μm n/a
Autofocus No No
Stabilization Digital No
Video resolution 2160p (4K) 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
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes No
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600n/a
3G BandsUMTS 850 / 900 / 1900 / 2100n/a
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)n/a
LTE category12n/a
5G SupportNoNo

Sound

Speakers Mono n/a
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Tecno Spark Go 2
n/a

Other

Class Mid-range Budget
Announced December, 2019 yr June, 2025 yr
Release Date December, 2019 yr June, 2025 yr
Launch Price ($) 399 n/a
MSRP ($) n/a 80
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Fingerprint sensor
Charger Included n/a Yes 15 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

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