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Samsung Galaxy A70 vs Galaxy A51

Here we compared two mid-range smartphones: the 6.7-inch Samsung Galaxy A70 (with Qualcomm Snapdragon 675) that was released on March 28, 2019, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 9 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy A70
  • Shows 20% longer battery life (103 vs 86 hours)
  • Comes with 500 mAh larger battery capacity: 4500 vs 4000 mAh
  • 16% better performance in AnTuTu Benchmark (204K versus 176K)
  • Faster storage type - UFS 2.1 versus UFS 2.0
  • 39% faster in single-core GeekBench 5 test: 485 and 350 points
Reasons to consider the Samsung Galaxy A51
  • Slow-motion recording at 960FPS
  • The phone is 9-months newer
  • The front-facing camera can record video at 4K

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Super AMOLED Super AMOLED
Size 6.7 inches 6.5 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 393 ppi 405 ppi
Refresh rate 60 Hz 60 Hz
HDR support - No
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Screen-to-body ratio 86% 87.4%
Display features - Always-On Display - Always-On Display
Display tests
RGB color space - 98.8%
PWM - 242 Hz
Response time - 25 ms
Contrast - ∞ Infinity
Max. Brightness
613 nits
636 nits
Sources: NotebookCheck [1]

Design and build

Height 164.3 mm (6.47 inches) 158.5 mm (6.24 inches)
Width 76.7 mm (3.02 inches) 73.6 mm (2.9 inches)
Thickness 7.9 mm (0.31 inches) 7.9 mm (0.31 inches)
Weight 183 gramm (6.46 oz) 172 gramm (6.07 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Black, Blue White, Black
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
87.4%

Performance

Tests of Samsung Galaxy A70 and Samsung Galaxy A51 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 675 Samsung Exynos 9 Octa 9611
Max. clock 2000 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.7 GHz: Kryo 460 Silver (Cortex-A55)
- 2 cores at 2 GHz: Kryo 460 Gold (Cortex-A76)
- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
Lithography process 11 nanometers 10 nanometers
Graphics Adreno 612 Mali-G72 MP3
GPU clock 700-750 MHz 850 MHz
FLOPS ~328.2 GFLOPS ~259 GFLOPS
Memory
RAM size 6 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128 GB 64, 128 GB
Storage type UFS 2.1 UFS 2.0
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Galaxy A70 +39%
485
Geekbench 5 (Multi-Core)
Galaxy A51 +37%
1306
AnTuTu Benchmark 8
Galaxy A70 +16%
204379
176685

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 10 (Can be upgraded to Android 11)
ROM One UI 3.1 One UI 3.0
OS size - 23 GB

Battery

Specifications
Capacity 4500 mAh 4000 mAh
Charge power 25 W 15 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Samsung Adaptive Fast Charge (45% in 30 min) Yes (40% in 35 min)
Full charging time 2:00 hr 1:50 hr

Battery life tests

Web browsing (Wi-Fi)
13:24 hr
13:21 hr
Watching videos (Player)
Galaxy A70 +22%
17:35 hr
14:22 hr
Talk (3G)
Galaxy A70 +74%
37:50 hr
21:51 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 32 megapixels 48 megapixels
Image resolution 6500 x 4920 8000 x 6000
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 240FPS Up to 120FPS
Slow motion 240 FPS (1080p) 960 FPS (720p)
Angle of widest lens 123° 120°
Lenses 3 (32 MP + 8 MP + 5 MP) 4 (48 MP + 12 MP + 5 MP + 5 MP)
Wide (main) lens - 32 MP
- Aperture: f/1.7
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.8" (BSI CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 12 mm
- Sensor: 1/4" (CMOS)
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
Macro lens - - 5 MP
- Aperture: f/2.4
- Focal length: 40 mm
- Pixel size: 1.12 micron
Depth lens - 5 MP
- Aperture: f/2.2
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 32 megapixels 32 megapixels
Image resolution 6528 x 4896 6560 x 4928
Aperture f/2.0 f/2.2
Focal length - 26 mm
Pixel size - 0.8 microns
Sensor type BSI CMOS ISOCELL CMOS
Sensor size 1/2.8" 1/2.8"
Video resolution 1080p (Full HD) при 30 FPS 2160p (4K) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP 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
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 12 12
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos Yes Yes
Speakers test
Max. loudness
81.7 dB
81.7 dB

Other

Category Mid-range Mid-range
Announced March 2019 December 2019
Release date April 2019 December 2019
Launch price ~ 375 USD ~ 250 USD
SAR (head) 0.35 W/kg 0.596 W/kg
SAR (body) 1.48 W/kg 1.45 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, camera, and design are more important to you, then choose the Samsung Galaxy A51. But if the performance and battery life are more of a priority – go for the Samsung Galaxy A70.

Cast your vote

So, which phone would you choose?
196 (46.9%)
222 (53.1%)
Total votes: 418

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