Samsung Galaxy S21 vs A35 5G

Here we compared two smartphones: the 6.2-inch Samsung Galaxy S21 (with Exynos 2100) that was released on January 14, 2021, against the Samsung Galaxy A35 5G, which is powered by Exynos 1380 and came out 3 years and 3 months after. 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 S21
  • Has 2x more RAM: 8GB versus 4GB
  • 41% better performance in AnTuTu Benchmark (1081K versus 768K)
  • Better camera quality (According to DxOMark rating)
  • Handles wireless charging up to 15W
  • The rear camera has a 1.1x optical zoom
  • Waterproof body (IP68 classification)
  • Slow-motion recording at 960FPS
  • Uses a faster type of memory: LPDDR5 2750 MHz
Reasons to consider the Samsung Galaxy A35 5G
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Shows 25% longer battery life (22:25 vs 17:54 hours)
  • Newer Bluetooth version (v5.3)
  • Expandable storage via MicroSD card up to 1024GB
  • Has a 0.4 inch larger screen size
  • Delivers 19% higher peak brightness (1025 against 861 nits)
  • More recent OS version: Android 16 versus 15
  • The phone is 3 years and 3 months newer

Review

Evaluation of Samsung Galaxy S21 and A35 5G 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
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 11% Yes
No, we don't think this update is worth it.
Moving from Samsung Galaxy S21 to Samsung Galaxy A35 5G will likely not feel like a meaningful upgrade.
Main improvements: battery life and display.
Be aware: the newer phone is weaker in performance and connectivity.

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Super AMOLED
Size 6.2 inches 6.6 inches
Resolution 1080 x 2400 pixels 1080 x 2340 pixels
Aspect ratio 20:9 19.5:9
PPI 421 ppi 390 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (48-120 Hz) Yes (60-120 Hz)
Max rated brightness 800 nits 1000 nits
HDR support Yes, HDR10+ Yes, HDR10
Touch sampling rate - 240 Hz
Screen protection Gorilla Glass Victus Gorilla Glass Victus Plus
Screen-to-body ratio 85.9% 84.8%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 99.5% 99.9%
PWM 240 Hz 240 Hz
Response time 5 ms 2 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Galaxy A35 5G
6.6″ (19.5:9 ratio) = 16.6 in2
Galaxy S21
6.2″ (20:9 ratio) = 14.4 in2
~15% more screen space
Peak brightness test (auto)
861 nits
1025 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 151.7 mm (5.97 inches) 161.7 mm (6.37 inches)
Width 71.2 mm (2.8 inches) 78 mm (3.07 inches)
Thickness 7.9 mm (0.31 inches) 8.2 mm (0.32 inches)
Weight 169 g (5.96 oz) 209 g (7.37 oz)
Waterproof IP68 IP67
Advanced cooling - Vapor chamber
Rear material Plastic Glass
Frame material Metal Plastic
Colors White, Gray, Pink, Purple Black, Blue, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
85.9%

Performance

Chipset specifications of Samsung Galaxy S21 and Samsung Galaxy A35 5G
SoC
Chipset Samsung Exynos 2100 Samsung Exynos 1380
Max clock 2900 MHz 2400 MHz
CPU cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.81 GHz: Cortex-A78
- 1 core at 2.91 GHz: Cortex-X1
- 4 cores at 2 GHz: Cortex-A55
- 4 cores at 2.4 GHz: Cortex-A78
L3 cache - 4 MB
Manufacturing Samsung Samsung
Lithography process 5 nanometers 5 nanometers
Neural processor (NPU) Yes Yes
GPU
Graphics Mali-G78 MP14 Mali-G68 MP5
GPU shading units 448 160
GPU clock 854 MHz 949 MHz
FLOPS ~765.2 GFLOPS ~303.7 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S21 and Samsung Galaxy A35 5G
Geekbench 6 (Single-Core)
Galaxy S21 +48%
1484
Geekbench 6 (Multi-Core)
Galaxy S21 +32%
3767
Compute Score (GPU)
Galaxy S21 +123%
6754
Compute Score (GPU) 6754 3033
Single-core score 1484 1006
Multi-core score 3767 2855
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Galaxy S21 +41%
1081778
768212
CPU 418023 311721
GPU 191872 89942
Memory 170606 136276
UX 301277 230273
Total score 1081778 768212
Samples [17 tests] [23 tests]
3DMark Steel Nomad Light
Galaxy S21 +18%
328
Stability 72% 98%
Graphics test 2 FPS 2 FPS
Graphics score 328 279
3DMark Wild Life Extreme
Stability 64% 99%
Graphics test 10 FPS -
Graphics score 1800 -
Sources: 3DMark [5], [6]
PCMark 3.0
13533
Web score 13238 11340
Video editing 7092 7357
Photo editing 29658 25659
Data manipulation 10433 10930
Writing score 15614 16320

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S21
DateBenchmarkResult
📘 2026-09-30 (Luckyy)AnTuTu 121281558
📘 2026-07-10 (TechNova0627)Geekbench 6 CPU1446 / 3772
📘 2026-07-10 (TechNova0627)AnTuTu 111115971
📘 2026-07-05 (Luckyy)AnTuTu 111086158
📘 2026-06-28 (forneusgang)AnTuTu 111087003
Samsung Galaxy A35 5G
DateBenchmarkResult
📘 2026-09-28 (P3RF3CT)AnTuTu 12866054
📘 2026-09-27 -> LessPlum3393AnTuTu 12857296
📘 2026-09-25 (ttk:kotakbass.official)Geekbench 6 CPU1010 / 2895
📘 2026-09-22 (ttk:kotakbass.official)AnTuTu 12922710
📘 2026-09-17 (kotakbass.official)AnTuTu 11829716

Memory

RAM
RAM size 8 GB 4 GB
Memory type LPDDR5 LPDDR4X
Memory clock 2750 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 3.1 UFS 3.1
Memory card No MicroSD
Memory card max size - Up to 1024 GB

Software

Operating system Android 11 (Can be upgraded to Android 15) Android 14 (Can be upgraded to Android 16)
ROM One UI 7.0 One UI 8.5
OS size 28.1 GB 28 GB
OS updates 2 years 4 years
Security updates 4 years 5 years

Battery

Capacity 4000 mAh 5000 mAh
Max charge power 25 W 25 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (15 W) No
Reverse charging Yes, (wireless) No
Bypass charging No No
Fast charging Yes (55% in 30 min) Yes (52% in 30 min)
Full charging time 1:13 hr 1:26 hr
Battery life tests
Web browsing 06:01 hr 08:47 hr
Watching video 11:06 hr 14:03 hr
Gaming 04:21 hr 05:56 hr
Standby 95 hr 106 hr
General battery life
17:54 hr
22:25 hr

Main camera

Matrix 12 megapixels 50 megapixels
Image resolution 4000 x 3000 8192 x 6144
Zoom Optical, 1.1x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K video recording Up to 24FPS No
4K video recording Up to 60FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 240 FPS (720p)
Angle of widest lens 120° 123°
Lenses 1) Standard: 12 MP
2) Telephoto: 64 MP
3) Ultrawide: 12 MP
1) Standard: 50 MP
2) Ultrawide: 8 MP
3) Macro: 5 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Standard lens
Image resolution 12 MP 50 MP
Aperture f/1.8 f/1.8
Focal length 26 mm -
Sensor Sony IMX555 Samsung ISOCELL S5KGN8
Sensor size 1/1.76" (≈ 0.57 inch) 1/1.95" (≈ 0.51 inch)
Pixel size 1.8 micron 0.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 64 MP -
Aperture f/2.0 -
Focal length 28 mm -
Sensor Samsung Bright S5KGW2 -
Sensor size 1/1.72" (≈ 0.58 inch) -
Pixel size 0.8 micron -
Stabilization Optical -
Ultra-wide lens
Image resolution 12 MP 8 MP
Aperture f/2.2 f/2.2
Focal length 13 mm -
Sensor Sony IMX563 GalaxyCore GC08A3
Sensor size 1/2.55" (≈ 0.39 inch) 1/4.0" (≈ 0.25 inch)
Pixel size 1.4 micron 1.12 micron
Stabilization Digital Digital
Macro lens
Image resolution - 5 MP
Aperture - f/2.4
Pixel size - 1.12 micron
Stabilization - Digital

DxOMark main camera tests

Photo quality
Galaxy S21 +10%
118
Video quality
Generic main camera score
Bokeh 70 50
Preview 61 52
Zoom 114 71
Samples Photo samples of Samsung Galaxy S21 from DxOMark Photo samples of Samsung Galaxy A35 5G from DxOMark

Selfie camera

Megapixels 10 megapixels 13 megapixels
Image resolution 3872 x 2592 4160 x 3120
Aperture f/2.2 f/2.2
Focal length 26 mm -
Sensor Sony IMX374 Samsung ISOCELL S5K3L6
Sensor size 1/3.24" (≈ 0.31 inch) 1/3.06" (≈ 0.33 inch)
Pixel size 1.22 micron 1.12 micron
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 5.3
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort - No
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Depends on the region
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No Yes
LTE Cat* 24 18
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
87 dB
90.9 dB

Other

Category Flagship Mid-range
Announced January 2021 March 2024
Release date February 2021 March 2024
Launch price (MSRP) $800 $380
Successor - Samsung Galaxy S22 - Samsung Galaxy A37 5G
SAR (head) 0.46 W/kg 0.44 W/kg
SAR (body) 1.51 W/kg 0.92 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger - Not included
Further details
Notes on Galaxy A35 5G:
    - The 128 GB variant features UFS 2.2 memory, other models have UFS 3.1.
    - Only SM-A356E/DS and SM-A356B/DS models support two physical SIM cards.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the performance, gaming, and connectivity are more important to you, then choose the Samsung Galaxy S21. But if the display, battery life, and software are more of a priority – go for the Samsung Galaxy A35 5G.

Cast your vote

So, which phone would you choose?
113 (59.2%)
78 (40.8%)
Total votes: 191

User opinions

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Skuramapu@hotmail.co.uk November 13, 2024 at 06:27 PM
I need a fully compatible new phone to use cochlear implat 7 processor. Request help: Thanks
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