Samsung Galaxy A21s vs Vivo iQOO 15 Ultra

The Samsung Galaxy A21s (2020) runs on the Exynos 850, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $215 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 29/100 (a 60-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 234,339); the Samsung Galaxy A21s is noticeably lighter (192g vs 227g).

The Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s by 60 points (89/100 vs 29/100).
Profile comparison
Category scores
Samsung Galaxy A21s
Performance 16
Display 32
Camera 30
Battery 52
Portability 55
Value for money 18
Vivo iQOO 15 Ultra
Performance 99
Display 99
Camera 78
Battery 92
Portability 35
Value for money 90
What makes Samsung Galaxy A21s better?
  • Lighter: 192g vs 227g
  • Cheaper at launch: $215 vs $799

  • Better portability (55/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
  • Higher AnTuTu: 4602290 vs 234339
  • Better Geekbench Single: 3640 vs 300
  • Better Geekbench Multi: 11033 vs 836
  • Bigger battery: 7400 vs 5000 mAh
  • Better main camera: 50MP vs 48MP
  • Higher refresh rate: 144Hz vs 60Hz

  • Higher performance (99/100 vs 16/100)
  • Better camera (78/100 vs 30/100)
  • Longer battery life (92/100 vs 52/100)
  • Better display (99/100 vs 32/100)
Comparison verdict

Comparing the Samsung Galaxy A21s vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 60 points higher (89/100 vs 29/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 16/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 52/100). Value score: Samsung Galaxy A21s — 18/100, Vivo iQOO 15 Ultra — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (99/100 vs 16/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (99/100 vs 32/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (92/100 vs 52/100). In the "portability" category, the Samsung Galaxy A21s notably outperforms the Vivo iQOO 15 Ultra (55/100 vs 35/100).

Samsung Galaxy A21s: The Samsung Galaxy A21s is a better fit for everyday use.
Vivo iQOO 15 Ultra: The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Samsung Galaxy A21s Vivo iQOO 15 Ultra
Processor Exynos 850 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 234339 4602290
Geekbench Single 300 3640
Geekbench Multi 836 11033
Display 6.5" IPS LCD 6.8" LTPO AMOLED
Resolution 1440x3168
Refresh rate 60 Hz 144 Hz
Battery 5000 mAh 7400 mAh
Charging 120W
Wireless charging 0W 50W
Main camera 48 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 13 MP 32 MP
RAM 3GB / 4GB / 6GB 12GB / 16GB / 24GB
Storage 32GB / 64GB 256GB / 512GB / 1TB
OS Android 16
Brightness (peak) 8000 nits
NFC yes yes
Protection IP68
Dimensions 163.7×75.3×8.9 mm 163.7×76.8×8.7 mm
Weight 192 g 227 g
Launch price $215 $799
Camera comparison
Samsung Galaxy A21s
  • Main: 48MP
  • Front: 13MP
30
camera
Vivo iQOO 15 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera
Display comparison
Samsung Galaxy A21s
  • 6.5" IPS LCD
  • Refresh rate: 60 Hz
32
display
Vivo iQOO 15 Ultra
  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display
Battery and charging
Samsung Galaxy A21s
  • 5000 mAh
  • No wireless charging
52
battery
Vivo iQOO 15 Ultra
  • 7400 mAh
  • Wired: 120W
  • Wireless: 50W
92
battery
Overall performance score

We compared Samsung Galaxy A21s and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.

Samsung Galaxy A21s Exynos 850
29/100
234339 AnTuTu
Vivo iQOO 15 Ultra Qualcomm Snapdragon 8 Elite Gen 5
89/100 +94.9%
4602290 AnTuTu

Vivo iQOO 15 Ultra leads Samsung Galaxy A21s by 94.9% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Samsung Galaxy A21s
$215
Vivo iQOO 15 Ultra
$799

Launch price difference: $584. Samsung Galaxy A21s was $584 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (99/100 vs 16/100).

display

In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (99/100 vs 32/100).

camera

In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (78/100 vs 30/100).

battery

In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s (92/100 vs 52/100).

portability

In the "portability" category, the Samsung Galaxy A21s notably outperforms the Vivo iQOO 15 Ultra (55/100 vs 35/100).

Frequently asked questions
Which is better: the Samsung Galaxy A21s or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra significantly outperforms the Samsung Galaxy A21s by 60 points (89/100 vs 29/100).

What is the rating of the Samsung Galaxy A21s and the Vivo iQOO 15 Ultra?

The Samsung Galaxy A21s has a MobileRank rating of 29/100, the Vivo iQOO 15 Ultra — 89/100.

Which has the better camera: the Samsung Galaxy A21s or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).

Which is more powerful: the Samsung Galaxy A21s or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on performance (99/100 vs 16/100).

Should you choose the Samsung Galaxy A21s over the Vivo iQOO 15 Ultra?

The Samsung Galaxy A21s is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.