Compare Samsung Galaxy S21 Ultra 12/128GB vs UMIDIGI A3S

Samsung Galaxy S21 Ultra 12/128GB vs UMIDIGI A3S Comparison - Compare Size, Cameras, Specs, Features, Price of Samsung Galaxy S21 Ultra 12/128GB with UMIDIGI A3S.
Name	Samsung Galaxy S21 Ultra 12/128GB	UMIDIGI A3S

Antutu benchmark	647553	56119
CPU	Samsung Exynos 2100	MediaTek Helio A22
Diagonal size	6.8 "	5.7 "
Resolution	3200x1440	1440x720
Multi-touch (number of touches)	10	5
RAM	12 Gb	2 Gb
Bezel-less	Yes	No
ROM	128 GB	16 GB
External memory	No	MicroSD (TF), supports cards up to 64Gb
Rear camera	108 Mp	16 Mp
Camera	Five cameras	Dual Camera
Sensor model	Samsung S5KHM3
dxomark mobile ranking
dxomark (photo)
dxomark (video)
Front (selfie) camera	40 Mp	13 Mp
Battery	5000 mAh	3950 mAh
Wireless charging	Yes	No
Network	5 G	4 G
WiFi	Yes	Yes
Bluetooth	Yes	Yes
NFC	Yes	No
Navigation (Positioning)	GPS, A-GPS, GLONAS	GPS, A-GPS
Notifications Led	No	No
Fingerprint's scanner	Yes	Yes
Operating system (OS)	Android 11	Android 10.0 (Q)
Material	Metal frame and glass case	Metal frame and glass case
Weight	228 g	188 g
Dimensions	165,1 x 75,6 x 8,8 mm	153.7 x 72.9 x 8.45 mm
Price	841.92€ ($987.95) See Details	65.87€ ($77.30) See Details

Samsung Galaxy S21 Ultra 12/128GB vs UMIDIGI A3S: Camera comparison.

In this table, you can compare the Samsung Galaxy S21 Ultra’s camera vs UMIDIGI A3S’s camera, see the difference between the 108Mp Samsung S5KHM3 sensor and the 16Mp sensor, and understand which camera has the maximum benefits compared to the competitor.

Name	Samsung Galaxy S21 Ultra 12/128GB	UMIDIGI A3S
Rear camera	108 Mp	16 Mp
Sensor model	Samsung S5KHM3
Flash	Dual LED flash	LED flash
Front (selfie) camera	40 Mp	13 Mp
Flash	No	No

Samsung Galaxy S21 Ultra 12/128GB vs UMIDIGI A3S: battery life comparison.

Below, you can find the last battery life test between the Samsung Galaxy S21 Ultra vs UMIDIGI A3S, compare the difference between their batteries when in performance or normal mode, and see what chargers they support.

Name	Samsung Galaxy S21 Ultra 12/128GB	UMIDIGI A3S
Battery	5000 mAh	3950 mAh
Type	Non-removable	Non-removable
Stand-by time	6-7 days	6-7 days
Battery Life	3-4 days	3-4 days
Working hours in hard mode	8-9 hours	8-9 hours
Talk time	30 hours	25 hours
Fast charging	Yes	No
Wireless charging	Yes	No

Samsung Galaxy S21 Ultra 12/128GB vs UMIDIGI A3S: Antutu benchmark comparison.

Samsung Galaxy S21 Ultra 12/128GB in the AnTuTu benchmark test got 647553 score points which is 1053.89% faster than the UMIDIGI A3S, which got 56119. You can compare its ranking and performance with other models results based on the Antutu test below.

Samsung Galaxy S21 Ultra 12/128GB

6.8 inches (3200x1440) Gorilla glass / Exynos 2100 / 12Gb / 128GB / 108Mp Samsung S5KHM3 / 5000mAh

841.92€

$987.95

647553

UMIDIGI A3S

5.7 inches (1440x720) Glass / Helio A22 / 2Gb / 16GB / 16Mp / 3950mAh

65.87€

$77.30

56119

Samsung Galaxy S21 Ultra 12/128GB vs UMIDIGI A3S: Geekbench benchmark comparison.

Samsung Galaxy S21 Ultra 12/128GB in the Geekbench benchmark tests got a 1096 points score in "Single-core" of against the UMIDIGI A3S which got 147, it is 645.58% faster. In "Multi-core" score 3723 vs 431 (763.81% faster). You can compare its ranking and performance with other models results based on the Geekbench test below.

Samsung Galaxy S21 Ultra 12/128GB

6.8 inches (3200x1440) Gorilla glass / Exynos 2100 / 12Gb / 128GB / 108Mp Samsung S5KHM3 / 5000mAh

841.92€

$987.95

1096 / 3723

UMIDIGI A3S

5.7 inches (1440x720) Glass / Helio A22 / 2Gb / 16GB / 16Mp / 3950mAh

65.87€

$77.30

147 / 431

What is the difference between Samsung Galaxy S21 Ultra 12/128GB and UMIDIGI A3S? (compare specs) (which is better)

The main differences, why it is better to choose the Samsung Galaxy S21 Ultra 12/128GB (advantages)

Good performance: Is 1053.89% faster in the Antutu test (591434 score difference).
Has a higher resolution newer rear camera: 108Mp Samsung S5KHM3 compared to 16Mp
Has a higher resolution front (selfie) camera: 40Mp vs 13Mp .
NFC supports.
Has a higher screen resolution: 3200x1440 vs 1440x720.
More battery capacity: 5000mAh vs 3950mAh (a difference of 1050mAh).
Have water resistant supports.
Have wireless charging supports.
Have fast charging supports.

Why it is better not to take Samsung Galaxy S21 Ultra 12/128GB (disadvantages)

Does not have Headphone Jack. Need audio 3.5mm headphone jack adapter

The main differences, why it is better to choose the UMIDIGI A3S (advantages)

Best weight: 40 grams less (188 vs 228).
Have headphone Jack. 3.5mm supports.

Why it is better not to take UMIDIGI A3S (disadvantages)

Does not support NFC.
Does not have water resistant supports.
Does not have wireless charging support.
Does not have fast charging support

The advantages of both models

Samsung Galaxy S21 Ultra 12/128GB related comparisons

UMIDIGI A3S related comparisons

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