Realme GT7 vs Samsung Galaxy A21s
The Realme GT7 (2025) runs on the MediaTek Dimensity 9400e, while the Samsung Galaxy A21s (2020) runs on the Exynos 850; launch prices were $420 and $215. By overall MobileRank rating, the Realme GT7 leads — 77/100 vs 29/100 (a 48-point difference). Key differences: the Realme GT7 has the bigger battery (7000 mAh vs 5000); the main camera is 50 MP vs 48 MP; the Realme GT7 is faster in AnTuTu (2,415,876 vs 234,339).
Profile comparison
Category scores
Realme GT7
Samsung Galaxy A21s
What makes Realme GT7 better?
- Higher AnTuTu: 2415876 vs 234339
- Better Geekbench Single: 2233 vs 300
- Better Geekbench Multi: 7478 vs 836
- Bigger battery: 7000 vs 5000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (84/100 vs 16/100)
- Better camera (61/100 vs 30/100)
- Longer battery life (90/100 vs 52/100)
- Better display (84/100 vs 32/100)
What makes Samsung Galaxy A21s better?
- Lighter: 192g vs 206g
- Cheaper at launch: $215 vs $420
- Better portability (55/100 vs 53/100)
Comparison verdict
Comparing the Realme GT7 vs the Samsung Galaxy A21s, the Realme GT7 scores 48 points higher (77/100 vs 29/100). In the "performance" category, the Realme GT7 leads (84/100 vs 16/100). In the "camera" category, the Realme GT7 leads (61/100 vs 30/100). In the "battery" category, the Realme GT7 leads (90/100 vs 52/100). Value score: Realme GT7 — 80/100, Samsung Galaxy A21s — 16/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (84/100 vs 16/100). In the "display" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (84/100 vs 32/100). In the "camera" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (61/100 vs 30/100). In the "battery" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (90/100 vs 52/100). In the "portability" category, the Samsung Galaxy A21s and the Realme GT7 are nearly equal (55/100 vs 53/100).
Specs comparison
| Specification | Realme GT7 | Samsung Galaxy A21s | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9400e | Exynos 850 | |
| AnTuTu | 2415876 | 234339 | |
| Geekbench Single | 2233 | 300 | |
| Geekbench Multi | 7478 | 836 | |
| Display | 6.8" AMOLED | 6.5" IPS LCD | |
| Resolution | 2780x1264 | — | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 120W | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 13 MP | |
| RAM | 8GB / 12GB / 16GB | 3GB / 4GB / 6GB | |
| Storage | 256GB / 512GB | 32GB / 64GB | |
| OS | Android 15 | — | |
| NFC | — | yes | |
| Dimensions | — | 163.7×75.3×8.9 mm | |
| Weight | 206 g | 192 g | |
| Launch price | $420 | $215 |
Camera comparison
Realme GT7
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A21s
- Main: 48MP
- Front: 13MP
Display comparison
Realme GT7
- 6.8" AMOLED
- Resolution: 2780x1264
- Refresh rate: 120 Hz
Samsung Galaxy A21s
- 6.5" IPS LCD
- Refresh rate: 60 Hz
Battery and charging
Realme GT7
- 7000 mAh
- Wired: 120W
- Wireless charging: no data
Samsung Galaxy A21s
- 5000 mAh
- No wireless charging
Overall performance score
We compared Realme GT7 and Samsung Galaxy A21s, covering their specs and all relevant benchmarks.
Realme GT7 leads Samsung Galaxy A21s by 930.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $205. Samsung Galaxy A21s was $205 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (84/100 vs 16/100).
display
In the "display" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (84/100 vs 32/100).
camera
In the "camera" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (61/100 vs 30/100).
battery
In the "battery" category, the Realme GT7 significantly outperforms the Samsung Galaxy A21s (90/100 vs 52/100).
portability
In the "portability" category, the Samsung Galaxy A21s and the Realme GT7 are nearly equal (55/100 vs 53/100).
Frequently asked questions
Which is better: the Realme GT7 or the Samsung Galaxy A21s?
The Realme GT7 significantly outperforms the Samsung Galaxy A21s by 48 points (77/100 vs 29/100).
What is the rating of the Realme GT7 and the Samsung Galaxy A21s?
The Realme GT7 has a MobileRank rating of 77/100, the Samsung Galaxy A21s — 29/100.
Which has the better camera: the Realme GT7 or the Samsung Galaxy A21s?
The Realme GT7 leads on camera score (61/100 vs 30/100).
Which is more powerful: the Realme GT7 or the Samsung Galaxy A21s?
The Realme GT7 leads on performance (84/100 vs 16/100).
Should you choose the Realme GT7 over the Samsung Galaxy A21s?
The Realme GT7 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.