Samsung Galaxy M21 2021 vs Samsung Galaxy S25+

Samsung Galaxy M21 2021

Exynos 9611

Samsung Galaxy S26 Ultra Samsung Galaxy Z Fold8 Ultra Samsung Galaxy Z Fold8 Samsung Galaxy S26+ Samsung Galaxy S26 Samsung Galaxy S25 Ultra Samsung Galaxy Z Flip8 Samsung Galaxy Z Fold7

Samsung Galaxy S25+

Qualcomm Snapdragon 8 Elite

Samsung Galaxy S26 Ultra Samsung Galaxy Z Fold8 Ultra Samsung Galaxy Z Fold8 Samsung Galaxy S26+ Samsung Galaxy S26 Samsung Galaxy S25 Ultra Samsung Galaxy Z Flip8 Samsung Galaxy Z Fold7

The Samsung Galaxy M21 2021 (2021) runs on the Exynos 9611, while the Samsung Galaxy S25+ (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Samsung Galaxy S25+ leads — 71/100 vs 43/100 (a 28-point difference). Key differences: the Samsung Galaxy M21 2021 has the bigger battery (6000 mAh vs 4900); the main camera is 48 MP vs 50 MP; the Samsung Galaxy S25+ is faster in AnTuTu (3,219,688 vs 355,351); the Samsung Galaxy S25+ has NFC for contactless payments, the Samsung Galaxy M21 2021 doesn't.

The Samsung Galaxy S25+ significantly outperforms the Samsung Galaxy M21 2021 by 28 points (71/100 vs 43/100).

Profile comparison

Category scores

Samsung Galaxy M21 2021

Performance 25

Display 83

Camera 36

Battery 51

Portability 68

Value for money —

Samsung Galaxy S25+

Performance 92

Display 89

Camera 40

Battery 54

Portability 72

Value for money 52

What makes Samsung Galaxy M21 2021 better?

Bigger battery: 6000 vs 4900 mAh

Overall rating 43/100

What makes Samsung Galaxy S25+ better?

Higher AnTuTu: 3219688 vs 355351
Better Geekbench Single: 3050 vs 365
Better Geekbench Multi: 9700 vs 1107
Faster charging: 45W vs 15W
Better main camera: 50MP vs 48MP
Lighter: 190g vs 192g

Higher performance (92/100 vs 25/100)
Better camera (40/100 vs 36/100)
Longer battery life (54/100 vs 51/100)
Better display (89/100 vs 83/100)
Better portability (72/100 vs 68/100)

Comparison verdict

Comparing the Samsung Galaxy M21 2021 vs the Samsung Galaxy S25+, the Samsung Galaxy S25+ scores 28 points higher (71/100 vs 43/100). In the "performance" category, the Samsung Galaxy S25+ leads (92/100 vs 25/100). In the "performance" category, the Samsung Galaxy S25+ significantly outperforms the Samsung Galaxy M21 2021 (92/100 vs 25/100). In the "display" category, the Samsung Galaxy S25+ is a bit better (89/100 vs 83/100). In the "camera" category, the Samsung Galaxy S25+ and the Samsung Galaxy M21 2021 are nearly equal (40/100 vs 36/100). In the "battery" category, the Samsung Galaxy S25+ and the Samsung Galaxy M21 2021 are nearly equal (54/100 vs 51/100). In the "portability" category, the Samsung Galaxy S25+ and the Samsung Galaxy M21 2021 are nearly equal (72/100 vs 68/100).

Samsung Galaxy S25+: The Samsung Galaxy S25+ is a better fit for gamers and power users.

Specs comparison

Specification	Samsung Galaxy M21 2021	Samsung Galaxy S25+
Processor	Exynos 9611	Qualcomm Snapdragon 8 Elite
AnTuTu	355351	3219688
Geekbench Single	365	3050
Geekbench Multi	1107	9700
Display	6.4" Super AMOLED	6.7" Dynamic AMOLED 2X
Resolution	1080x2340	3120x1440
Refresh rate	—	120 Hz
Battery	6000 mAh	4900 mAh
Charging	15W	45W
Wireless charging	0W	15W
Main camera	48 MP	50 MP
Ultrawide	8 MP	12 MP
Telephoto	0 MP	10 MP
Front camera	20 MP	12 MP
RAM	4GB / 6GB	12GB
Storage	64GB / 128GB	256GB / 512GB
OS	Android 11, One UI 3.1 Core	Android 15 / One UI 7
Brightness (peak)	420 nits	2600 nits
NFC	no	yes
Protection	—	IP68
Dimensions	—	158.4×75.8×7.3 mm
Weight	192 g	190 g
Launch price	—	$999