Samsung Galaxy A36 vs Samsung Galaxy S21 Ultra 5G

Side-by-side specs and price comparison for buyers in Algeria.

Phone 1

Phone 2

Samsung

Samsung Galaxy A36

61,000DACheaper

Samsung

Samsung Galaxy S21 Ultra 5G

70,000DA

Quick Verdict

Who wins each category, side by side.

Better price

Samsung Galaxy A36

Faster chip

Even

Bigger battery

Even

Faster charging

Samsung Galaxy A36

Higher-resolution camera

Samsung Galaxy S21 Ultra 5G

Better display

Samsung Galaxy S21 Ultra 5G

Lighter body

Samsung Galaxy A36

Best value for money

Even

Full specs comparison

Display

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Size (inches)	6.7	6.8
Panel Type	AMOLED	AMOLED
Resolution Height	2340	3200
Resolution Width	1080	1440
Refresh Rate	120	120
Peak Brightness	1900	1500
PPI	385	515
Glass Type	Corning Gorilla Glass Victus +	Corning Gorilla Glass Victus
Screen-to-body	86.5	89.8

Platform

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
CPU	Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)	Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
GPU	Adreno 710	Mali-G78 MP14 - InternationalAdreno 660 - USA/China
Chipset Name	Snapdragon 6 Gen 3	Exynos 2100 - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm)
Process (nm)	4	5
OS Name	Android	Android
UI Skin	One UI 7	One UI 6.1
OS Version	15	11

Memory

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Card Slot	No	No
Variants	128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM	128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM

Main Camera

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Video	4K@30fps, 1080p@30/60fps, gyro-EIS	8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10 + , stereo sound rec., gyro-EIS
Features	LED flash, panorama, HDR	Laser AF, LED flash, auto-HDR, panorama
Count	3	4
Macro	5 MP, f/2.4, (macro)	—
periscope telephoto	—	10 MP, f/4.9, 240mm, (periscope telephoto)
Telephoto	—	10 MP, f/2.4, 72mm, (telephoto)
ultrawide	8 MP, f/2.2, (ultrawide)	12 MP, f/2.2, 13mm, (ultrawide)
Wide	50 MP, f/1.8, (wide)	108 MP, f/1.8, 24mm, (wide)

Selfie Camera

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Video	4K@30fps, 1080p@30fps, 10-bit HDR	4K@30/60fps, 1080p@30fps
Features	—	HDR
Count	1	1
Lens	12 MP, f/2.2, (wide)	40 MP, f/2.2, 26mm, (wide)

Battery

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Capacity (mAh)	5000	5000
Chemistry	—	Li-Ion
Wired Charging (W)	45	25
Wireless Charging (W)	—	15

Body

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Build	Glass front (Gorilla Glass Victus + ), plastic frame, glass back (Gorilla Glass Victus + )	Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
SIM	Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)	Nano-SIM + eSIMNano-SIM + Nano-SIM + eSIM (max 2 at a time)
Height (mm)	162.9	165.1
Thickness (mm)	7.4	8.9
Weight (g)	195	227
Width (mm)	78.2	75.6

Launch

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Announced	2025, March 02	2021, January 14
Status	Available. Released 2025, March 10	Available. Released 2021, January 29

Network

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
2G Bands	GSM 850, 900, 1800, 1900	GSM 850, 900, 1800, 1900
3G Bands	HSDPA 850, 900, 1700(AWS), 1900, 2100	HSDPA 850, 900, 1700(AWS), 1900, 2100
4G Bands	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1
5G Bands	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6	2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
Speed	HSPA, LTE, 5G	HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5 + Gbps DL)
Technology	GSM, HSPA, LTE, 5G	GSM, CDMA, HSPA, EVDO, LTE, 5G

Connectivity

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Bluetooth	5.4	5.2
NFC	Yes (market/region dependent)	Yes
Positioning	GPS, GALILEO, GLONASS, BDS, QZSS	GPS, GLONASS, BDS, GALILEO
Radio	No	FM radio (Snapdragon model only; market/operator dependent)
USB Type	Type-C	Type-C
USB Version	2.0	3.2
Wi-Fi	Wi-Fi 6	Wi-Fi 6E

Sound

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
3.5mm Jack	No	No
Loudspeaker	Yes, with stereo speakers	Yes, with stereo speakers

Features

Spec	Samsung Galaxy A36	Samsung Galaxy S21 Ultra 5G
Sensors	Fingerprint (under display, optical), accelerometer, gyro, compass	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Buying advice for Algeria

Both Samsung Galaxy A36 and Samsung Galaxy S21 Ultra 5G are sold in Algeria, but they fit different priorities.

Samsung Galaxy A36 is 13% cheaper at 61,000 DZD versus 70,000 DZD for the Samsung Galaxy S21 Ultra 5G, leaving room for accessories or a longer screen-protection plan.

Samsung Galaxy S21 Ultra 5G reaches a higher main-sensor resolution at 108 MP, which helps with crops and lower-light photos.

Above 60,000 DZD, prioritise screen quality, fast charging, and a clear software-update commitment.