Here’s a comprehensive comparison between the Samsung Galaxy S21 and the Samsung Galaxy A35 5G.

Size Comparison

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Height	151.7 mm	160.8 mm
Width	71.5 mm	74.9 mm
Thickness	7.9 mm	8.2 mm
Weight	169 g	185 g
Display Size	6.2 inches	6.4 inches
Screen-to-Body Ratio	~90%	~89%
Build Material	Aluminum Frame, Gorilla Glass Victus	Plastic Frame, Glass Back
Curved Display	Yes (slightly curved edges)	No (flat display)
Bezel Thickness	Minimal bezels (~2mm top/bottom, ~1.5mm sides)	Thin bezels (~2.5mm top/bottom, ~1.8mm sides)

Display Comparison

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Display Type	Dynamic AMOLED 2X	Super AMOLED
Size	6.2 inches	6.4 inches
Resolution	FHD+ (2400 x 1080)	FHD+ (2400 x 1080)
Refresh Rate	120Hz	90Hz
Pixel Density	~420 PPI	~405 PPI
Brightness	Up to 1300 nits (peak)	Up to 800 nits (peak)
Contrast Ratio	Infinite	Infinite
HDR Support	HDR10+	HDR10
Eye Comfort Shield	Yes	No
Always On Display	Yes	No
Corning Gorilla Glass	Gorilla Glass Victus	Gorilla Glass 5
Curved Edges	Flat	Flat
Color Gamut	DCI-P3	DCI-P3
Screen-to-Body Ratio	~90%	~87%

Battery Life

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Battery Capacity	4000mAh	5000mAh
Battery Type	Li-Po	Li-Po
Endurance Rating	~80 hours (moderate use)	~100 hours (moderate use)
Standby Time	~200 hours	~250 hours
Talk Time	~25 hours	~30 hours
Video Playback	~16 hours	~20 hours
Music Playback	~70 hours	~90 hours
Charging Technology	Fast Charge 2.0, Wireless Charging, Reverse Wireless Charging	Fast Charge 2.0, No Wireless Charging
Charge Time (0-100%)	~1 hour 20 minutes	~1 hour 40 minutes
Wired Charging Speed	25W	25W
Wireless Charging Speed	15W	Yes
Reverse Charging	Yes	Yes

Charging Speed

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Battery Capacity	4000mAh	5000mAh
Wired Charging Speed	25W	25W
Wireless Charging Speed	15W	Not Available
Reverse Wireless Charging	Yes (9W)	Not Available
Charge Time (0-100%)	~1 hour 10 minutes	~1 hour 30 minutes
Fast Charging Technology	Adaptive Fast Charging 2.0	Adaptive Fast Charging
Charging Port	USB Type-C	USB Type-C
Included Charger	No (sold separately)	Yes (included in box)

Speaker Test

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Speaker Type	Stereo Speakers	Mono Speaker
Loudness	~85 dB	~75 dB
Sound Quality	Excellent bass, clear mids	Good clarity, decent bass
Dolby Atmos	Yes	No
Audio Output	3.5mm Headphone Jack + Bluetooth 5.0	Bluetooth 5.0
Microphone Count	Dual Microphones	Single Microphone
Wind Noise Reduction	Yes	No
Audio Formats Supported	MP3, AAC, FLAC, WAV	MP3, AAC, FLAC, WAV
Volume Control	Physical Volume Buttons	Physical Volume Buttons
Audio Enhancement Features	Adaptive Sound- Clear Boost	None

Performance

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Processor	Qualcomm Snapdragon 888 (or Exynos 2100)	Qualcomm Snapdragon 695
RAM Options	8GB / 12GB	4GB / 6GB / 8GB
Storage Options	128GB / 256GB	64GB / 128GB
Operating System	Android 11 with One UI 3.1	Android 13 with One UI 5.1
Software Updates	Up to 4 years of OS updates	Up to 3 years of OS updates
GPU	Adreno 660 (Snapdragon 888) or Mali-G78 (Exynos 2100)	Adreno 619
Performance Mode	Yes	No
Benchmark Scores	– Geekbench 5 Single-core: ~1100- Geekbench 5 Multi-core: ~3600	– Geekbench 5 Single-core: ~700- Geekbench 5 Multi-core: ~2000
AI Processing	Dedicated NPU	No dedicated NPU
Multi-tasking Capabilities	Excellent	Good
Thermal Management	Advanced cooling system	Standard cooling system
Game Optimization	Game Booster with various game modes	Basic game optimization

Benchmark Performance

Benchmark Tool	Samsung Galaxy S21	Samsung Galaxy A35 5G
Geekbench 6
– Single-core	~900	~700
– Multi-core	~3000	~2000
AnTuTu 10
– Overall Score	~800,000	~400,000
– CPU Score	~250,000	~120,000
– GPU Score	~300,000	~100,000
– Memory Score	~150,000	~70,000
– UX Score	~100,000	~40,000
3DMark
– Wild Life	~6000	~2500
– Wild Life Extreme	~1500	~600
– Sling Shot Extreme	~8000	~3000

Camera Comparison

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Rear Cameras	64MP main (f/1.8)- 12MP ultra-wide (f/2.2)- 64MP telephoto (f/2.0, 3x optical zoom)	50MP main (f/1.8)- 8MP ultra-wide (f/2.2)- 5MP macro
Front Camera	10MP (f/2.2)	13MP (f/2.2)
Video Recording	4K @ 60fps- 1080p @ 240fps- 8K @ 24fps (main camera only)	4K @ 30fps- 1080p @ 120fps
Stabilization	OIS on main and telephoto<br>- EIS on all cameras	EIS on all cameras
Low-Light Performance	Excellent	Good
Night Mode	Yes	Yes
HDR Support	Yes	Yes
Focus Speed	Fast	Moderate
Color Accuracy	High	Decent
Dynamic Range	Wide	Average
Zoom Capabilities	3x optical zoom- 30x digital zoom	No optical zoom- 5x digital zoom
Microphone Count	Dual microphones	Single microphone
Wind Noise Reduction	Yes	Yes
Face Detection	Yes	Yes
Scene Optimizer	Yes	Yes

Video Quality

Feature	Samsung Galaxy S21	Samsung Galaxy A35 5G
Maximum Resolution	8K @ 24fps	4K @ 30fps
Stabilization	Optical Image Stabilization (OIS) + EIS	Electronic Image Stabilization (EIS)
Low-Light Performance	Excellent	Good
Slow Motion	960fps @ 720p	240fps @ 720p
HDR Support	HDR10+	HDR10
Video Recording Features	Night Mode- Pro Mode- Super Steady	Night Mode- Pro Mode
Audio Quality	Stereo Speakers	Stereo Speakers
Microphone Count	Quad Microphones	Dual Microphones
Wind Noise Reduction	Yes	Yes
Focus Speed	Very Fast	Fast
Color Accuracy	Very High	High
Dynamic Range	Extremely Wide	Wide

Overall Verdict

Pros & Cons

✅ Samsung Galaxy S21 – Pros:

✔ Premium Build – Glass and metal design for a flagship feel.
✔ Superior Display – Dynamic AMOLED 2X with higher brightness.
✔ Better Performance – Flagship Exynos 2100/Snapdragon 888 chip.
✔ Great Camera System – Optical zoom and better night mode.
✔ 8K Video Recording – More professional-quality video capabilities.
✔ Wireless Charging – 15W wireless charging, unlike the A35 5G.

❌ Samsung Galaxy S21 – Cons:

✖ Lower Battery Capacity – 4000mAh vs. 5000mAh in the A35 5G.
✖ Limited Software Updates – Older flagship with fewer future updates.
✖ No Charger in Box – Like most modern flagships, no charger included.

✅ Samsung Galaxy A35 5G – Pros:

✔ Longer Battery Life – 5000mAh battery lasts longer than the S21.
✔ More Affordable – Offers great value for the price.
✔ Decent Camera for Mid-Range – 50MP main sensor captures good details.
✔ Newer Software Support – Will receive longer updates than the S21.

❌ Samsung Galaxy A35 5G – Cons:

✖ Weaker Processor – Exynos 1380 is far behind the S21’s Snapdragon 888.
✖ No Telephoto Zoom – Lacks the optical zoom feature of the S21.
✖ No Wireless Charging – Unlike the S21, wireless charging is absent.
✖ Plastic Build – Doesn’t feel as premium as the S21.