Samsung Galaxy A25 vs Galaxy A21s

Here we compared two smartphones: the 6.5-inch Samsung Galaxy A25 (with Exynos 1280) that was released on December 11, 2023, against the Samsung Galaxy A21s, which is powered by Exynos 850 and came out 3 years and 8 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy A25
  • 2.4x better performance in AnTuTu Benchmark (617K versus 258K)
  • Higher display refresh rate – 120 Hz
  • Delivers 110% higher peak brightness (1027 against 490 nits)
  • 47% higher pixel density (396 vs 270 PPI)
  • Newer Bluetooth version (v5.3)
  • Optical image stabilization
  • More recent OS version: Android 14 versus 12
  • Slow-motion recording at 240FPS
  • Has 2x more RAM: 4GB versus 2GB
  • Ability to record video in 4K resolution
  • Stereo speakers
  • The phone is 3 years and 8 months newer
  • Super AMOLED display (versus competitor's PLS TFT)
Reasons to consider the Samsung Galaxy A21s
  • Shows 36% longer battery life (25:00 vs 18:26 hours)

Review

Evaluation of Samsung Galaxy A25 and Galaxy A21s crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
πŸ“± Primary usage:

Value for money (Beta)

Should I update?
No 68% Yes
Yes, we think most users will notice the upgrade.
Updating from Samsung Galaxy A21s to Samsung Galaxy A25 makes sense and should feel noticeably better in daily use.
Main improvements: display, camera, and performance.
Be aware: the newer phone is weaker in battery life.

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Super AMOLED PLS TFT
Size 6.5 inches 6.5 inches
Resolution 1080 x 2340 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 396 ppi 270 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 1000 nits 540 nits
HDR support No No
Screen protection Corning Gorilla Glass 5 Tempered glass
Screen-to-body ratio 84.2% 82.9%
Display features - DCI-P3
- Always-On Display
-
Display tests
RGB color space 145.1% 88.4%
PWM 119 Hz 500 Hz
Response time 1 ms 30.4 ms
Contrast ∞ Infinity 1500:1
Peak brightness test (auto)
Galaxy A25 +110%
1027 nits
490 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 161 mm (6.34 inches) 163.6 mm (6.44 inches)
Width 76.5 mm (3.01 inches) 75.3 mm (2.96 inches)
Thickness 8.3 mm (0.33 inches) 8.9 mm (0.35 inches)
Weight 197 g (6.95 oz) 192 g (6.77 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue, Yellow Black, Blue, Red
Fingerprint scanner Yes, in-button Yes, rear
Screen-to-body ratio
84.2%
82.9%

Performance

Chipset specifications of Samsung Galaxy A25 and Samsung Galaxy A21s
SoC
Chipset Samsung Exynos 1280 Samsung Exynos 850
Max clock 2400 MHz 2000 MHz
CPU cores 8 (2 + 6) 8 (8)
Architecture - 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.4 GHz: Cortex-A78
- 8 cores at 2 GHz: Cortex-A55
Manufacturing Samsung Samsung
Lithography process 5 nanometers 8 nanometers
Neural processor (NPU) Yes No
GPU
Graphics Mali-G68 MP4 Mali-G52 MP6
GPU shading units 128 16
GPU clock 897 MHz 1001 MHz
FLOPS ~229.6 GFLOPS ~48 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy A25 and Samsung Galaxy A21s
Geekbench 6 (Single-Core)
Galaxy A25 +219%
957
Geekbench 6 (Multi-Core)
Galaxy A25 +151%
2095
Compute Score (GPU)
Compute Score (GPU) 2348 -
Single-core score 957 300
Multi-core score 2095 836
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Galaxy A25 +139%
617315
258064
CPU 246621 100392
GPU 71605 18008
Memory 102085 86289
UX 197004 53375
Total score 617315 258064
Samples [22 tests] [4 tests]
3DMark Steel Nomad Light
Stability 95% -
Graphics test 2 FPS -
Graphics score 226 -
Sources: 3DMark [5], [6]
PCMark 3.0
Web score - 4948
Video editing - 5163
Photo editing - 8993
Data manipulation - 3929
Writing score - 5825

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy A25
DateBenchmarkResult
πŸ“˜ 2026-07-14 (DJ)AnTuTu 11651423
πŸ“˜ 2026-06-15 (OmPhanLaoRaBien)AnTuTu 11637428
πŸ“˜ 2026-06-02 (MusteryLodall)Geekbench 6 CPU936 / 2053
πŸ“˜ 2026-06-02 (MusteryLodall)AnTuTu 11605286
πŸ“˜ 2026-05-30 (πŸ‡»πŸ‡³ CuoiLaoXuongSong)AnTuTu 11630054
Samsung Galaxy A21s
DateBenchmarkResult
πŸ“˜ 2026-09-18 -> HABIBOAnTuTu 12304257
πŸ“˜ 2026-05-16 (Abdul ahad)AnTuTu 11258064
πŸ“˜ 2026-03-29 -> quandzvl12AnTuTu 11316736
πŸ“˜ 2025-10-08 (MinxK)AnTuTu 11231817
πŸ“˜ 2025-10-04 (zayedbinnahyan)AnTuTu 11218341

Memory

RAM
RAM size 4 GB 2 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128 GB 32 GB
Storage type UFS 2.2 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max size Up to 1024 GB Up to 512 GB

Software

Operating system Android 14 Android 10 (Can be upgraded to Android 12)
ROM One UI 6 One UI 4.1
OS size 20 GB 12 GB
OS updates 2 years 2 years
Security updates 3 years 4 years

Battery

Capacity 5000 mAh 5000 mAh
Max charge power 25 W 15 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (49% in 30 min) Yes (50% in 60 min)
Full charging time 1:24 hr 2:10 hr
Battery life tests
Web browsing 06:44 hr 09:45 hr
Watching video 11:34 hr 14:13 hr
Gaming 04:52 hr 05:34 hr
Standby 91 hr 128 hr
General battery life
18:26 hr
25:00 hr

Main camera

Matrix 50 megapixels 48 megapixels
Image resolution 8160 x 6120 8000 x 6000
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K video recording No No
4K video recording Up to 30FPS No
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 240 FPS (720p) No
Angle of widest lens 120Β° 123Β°
Lenses 1) Standard: 50 MP
2) Ultrawide: 8 MP
3) Macro: 2 MP
1) Standard: 48 MP
2) Ultrawide: 8 MP
3) Macro: 2 MP
4) Depth: 2 MP
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
Standard lens
Image resolution 50 MP 48 MP
Aperture f/1.8 f/2.0
Focal length 27 mm 26 mm
Sensor Samsung ISOCELL S5KJN1 Samsung S5KGM2
Sensor size 1/2.76" (β‰ˆ 0.36 inch) 1/2.0" (β‰ˆ 0.5 inch)
Pixel size 0.64 micron 0.8 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Optical Digital
Ultra-wide lens
Image resolution 8 MP 8 MP
Aperture f/2.2 f/2.2
Sensor Samsung ISOCELL (S5K)4HA -
Sensor size 1/4" (β‰ˆ 0.25 inch) 1/4.0" (β‰ˆ 0.25 inch)
Pixel size 1.12 micron 1.12 micron
Stabilization Digital Digital
Macro lens
Image resolution 2 MP 2 MP
Aperture f/2.4 f/2.4
Sensor GalaxyCore GC02M1 -
Stabilization No Digital

Selfie camera

Megapixels 13 megapixels 13 megapixels
Image resolution 4160 x 3120 4128 x 3096
Aperture f/2.2 f/2.2
Sensor Hynix Hi-1339 CMOS
Sensor size 1/3.06" (β‰ˆ 0.33 inch) 1/3.1" (β‰ˆ 0.32 inch)
Pixel size 1.12 micron 1.12 micron
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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 5.3 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
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 Yes No
LTE Cat* 18 13
5G support Yes No

Sound

Speakers Stereo Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos Yes Yes
Speakers test
Max loudness
79.6 dB
79.5 dB

Other

Category Mid-range Budget
Announced December 2023 May 2020
Release date December 2023 June 2020
Launch price (MSRP) $299 $200
Successor - Samsung Galaxy A26 5G - Samsung Galaxy A24 4G
SAR (head) 0.46 W/kg 0.23 W/kg
SAR (body) 1.19 W/kg 1.38 W/kg
Sensors - Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included -
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Samsung Galaxy A25 is definitely a better buy.

Cast your vote

So, which phone would you choose?
15 (83.3%)
3 (16.7%)
Total votes: 18

User opinions

You can share your opinion or ask a question in the comments below
🌐 Register your profile and become part of NanoReview community!