Home Phone comparison Samsung Galaxy A51 and Samsung Galaxy Z Fold 8 - Which is better?

Samsung Galaxy A51 vs Samsung Galaxy Z Fold 8

41 out 100
Samsung Galaxy A51
VS
85 out 100
Samsung Galaxy Z Fold 8
Samsung Galaxy A51
Samsung Galaxy Z Fold 8

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Samsung Galaxy Z Fold 8, Manufactured in July, 2026 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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 201g
Reasons to choose Samsung Galaxy Z Fold 8
  • Larger display: 7.6in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 4800mAh vs 4000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB		 - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 16/1024 GB

Review

Key Specs Samsung Galaxy A51 and Samsung Galaxy Z Fold 8
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 A51
vs
Samsung Galaxy Z Fold 8

Display

Display quality comparison
Type Super AMOLED Dynamic AMOLED
Size 6.5 in 7.6 in
Resolution 1080x2400 pixels 1828x2448 pixels
Aspect ratio 20:9 4:3
Pixel density 405 ppi 403 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 400 nits n/a
HDR support No Yes, HDR10+
Screen-to-body ratio 87.5 % 89.4 %
Features Always-On Display - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Samsung Galaxy Z Fold 8
3036 nits
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) 123.9 mm (4.88 in)
Width 73.6 mm (2.9 in) 161.4 mm (6.35 in)
Thickness 7.9 mm (0.31 in) 4.5 mm (0.18 in)
Weight 172 g (6.07 oz) 201 g (7.09 oz)
Water resistance No IP48
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black		 - White
- Gray
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Samsung Galaxy Z Fold 8
89.4 %

Performance

Testing Samsung Galaxy A51 and Samsung Galaxy Z Fold 8 In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2300 MHz 4740 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process Samsung TSMC
Transistor Size 10 nm 3 nm
Neural Processor Yes Hexagon
Graphics Mali-G72 MP3 n/a
GPU Cores 54 n/a
GPU Frequency 850 MHz n/a
FLOPS 113.8 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Samsung Galaxy Z Fold 8
3645
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Samsung Galaxy Z Fold 8
11102
Geekbench 6 (Single-Core)5123645
Geekbench 6 (Multi-Core)155611102
Sources: Geekbench v6 [Samsung Galaxy Z Fold 8]
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Samsung Galaxy Z Fold 8
3382020
CPU83857992447
GPU451661292614
Memory63828372424
UX75909724535
NanoReview Score2687603382020
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Samsung Galaxy Z Fold 8
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		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.0UFS 4.0
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 13) Android 17
OS Size 23 GB n/a
UI Skin One UI 5.1 One UI 9

Battery

Volume 4000 mAh 4800 mAh
Max Charging Power 15 W 45 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (40% in 35 min) Yes (65% in 30 min)
Full Charge Time 1:50 h 1:09 h
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Samsung Galaxy Z Fold 8
26:29
Web Browsing07:15 h08:41 h
Video Playback11:25 h18:10 h
Games04:49 h05:34 h
Standby Mode81 h135 h

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels n/a
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 240 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: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mm23 mm
SensorSony IMX582n/a
Sensor size1/21/1.57 (0.64)
Pixel size0.8 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix12 MP50 MP
Aperturef/2.2f/1.9
Focal length13 mmn/a
Sensor sizen/a1/2.5 (0.4)
Pixel size1.12 μm0.7 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 10 MP
Photo resolution 6560x4928 pixels 3648x2736 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 23 mm
Sensor Samsung S5KGD1 Sony IMX374
Sensor size 1/2.8 1/3.0 (0.33)
Pixel size 0.8 μm 1.12 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 6.0
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 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
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 SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Samsung Galaxy Z Fold 8
n/a

Other

Class Mid-range Flagship
Announced December, 2019 yr July, 2026 yr
Release Date December, 2019 yr July, 2026 yr
Launch Price ($) 399 n/a
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy Z Fold 8 the clear winner in this comparison.

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