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Samsung Galaxy A40 vs Galaxy A30s

Here we compared two mid-range smartphones: the 5.9-inch Samsung Galaxy A40 (with Exynos 7 Octa 7904) that was released on April 10, 2019, against the Samsung Galaxy A30s, which is powered by the same chip and came out 5 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 A40
  • 63% higher pixel density (437 vs 268 PPI)
  • Delivers 12% higher maximum brightness (548 against 489 nits)
  • Weighs 29 grams less
  • Better grip in hands – the body is 5.5 mm narrower
Reasons to consider the Samsung Galaxy A30s
  • Comes with 900 mAh larger battery capacity: 4000 vs 3100 mAh
  • Has a 0.5 inch larger screen size

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 5.9 inches 6.4 inches
Resolution 1080 x 2340 pixels 720 x 1560 pixels
Aspect ratio 19.5:9 19.5:9
PPI 437 ppi 268 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 3 Tempered glass
Screen-to-body ratio 85.5% 85.2%
Display tests
RGB color space 142.6% 98%
PWM 245 Hz 240 Hz
Response time 9 ms 4 ms
Contrast ∞ Infinity ∞ Infinity
Max. Brightness
Galaxy A40 +12%
548 nits
489 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 144.4 mm (5.69 inches) 158.5 mm (6.24 inches)
Width 69.2 mm (2.72 inches) 74.7 mm (2.94 inches)
Thickness 7.9 mm (0.31 inches) 7.8 mm (0.31 inches)
Weight 140 gramm (4.94 oz) 169 gramm (5.96 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Black, Blue White, Black, Purple
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio
85.5%
85.2%

Performance

Tests of Samsung Galaxy A40 and Samsung Galaxy A30s in the benchmarks
SoC
Chipset Samsung Exynos 7 Octa 7904 Samsung Exynos 7 Octa 7904
Max. clock 1770 MHz 1770 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.6 GHz: Cortex-A53
- 2 cores at 1.8 GHz: Cortex-A73
- 6 cores at 1.6 GHz: Cortex-A53
- 2 cores at 1.8 GHz: Cortex-A73
Lithography process 14 nanometers 14 nanometers
Graphics Mali-G71 MP2 Mali-G71 MP2
GPU clock 770 MHz 770 MHz
FLOPS ~65 GFLOPS ~65 GFLOPS
Memory
RAM size 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 1933 MHz
Channels 2 2
Storage
Storage size 64 GB 32, 64 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 8
126092
122322

Software

Operating system Android 9.0 (Can be upgraded to Android 10) Android 9.0 (Can be upgraded to Android 10)
ROM One UI 2.0 One UI 2.0
OS size 14.6 GB 10.9 GB

Battery

Specifications
Capacity 3100 mAh 4000 mAh
Charge power 15 W 15 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Samsung Adaptive Fast Charge (50% in 40 min) Yes, Samsung Adaptive Fast Charge (40% in 30 min)
Full charging time 1:45 hr 1:45 hr

Battery life tests

Web browsing (Wi-Fi)
10:05 hr
Watching videos (Player)
10:58 hr
Talk (3G)
20:38 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 16 megapixels 25 megapixels
Image resolution 4616 x 3464 5288 x 3968
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion 120 FPS (720p) 120 FPS (720p)
Angle of widest lens 123° 123°
Lenses 2 (16 MP + 5 MP) 3 (25 MP + 8 MP + 5 MP)
Wide (main) lens - 16 MP
- Aperture: f/1.7
- Focal length: 26 mm
- Phase autofocus
- 25 MP
- Aperture: f/1.7
- Focal length: 27 mm
- Pixel size: 0.9 micron
- Sensor: 1/2.8", Samsung S5K2X5 (ISOCELL CMOS)
- Phase autofocus
Ultra-wide lens - 5 MP
- Aperture: f/2.2
- Focal length: 13 mm
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
Depth lens - - 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 25 megapixels 16 megapixels
Image resolution 5984 x 4140 4608 x 3456
Aperture f/2.0 f/2.0
Focal length 25 mm 26 mm
Pixel size 0.9 microns 1 microns
Sensor type CMOS ISOCELL CMOS
Sensor size 1/2.8" 1/3.1"
Video resolution 1080p (Full HD) при 30 FPS 1080p (Full HD) 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
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 GPS, GLONASS, Beidou
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 10
5G support No -

Sound

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

Other

Category Mid-range Mid-range
Announced April 2019 August 2019
Release date April 2019 September 2019
Launch price ~ 225 USD ~ 200 USD
SAR (head) 0.49 W/kg 1.05 W/kg
SAR (body) 1.34 W/kg 1.54 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 is more important to you, then choose the Samsung Galaxy A40. But if the battery life and camera are more of a priority – go for the Samsung Galaxy A30s.

Cast your vote

So, which phone would you choose?
44 (56.4%)
34 (43.6%)
Total votes: 78

User opinions

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