Realme GT 8 vs Redmi K40
The Realme GT 8 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K40 (2021) runs on the Qualcomm Snapdragon 870; launch prices were $350 and $309. By overall MobileRank rating, the Realme GT 8 leads — 80/100 vs 54/100 (a 26-point difference). Key differences: the Realme GT 8 has the bigger battery (7000 mAh vs 4520); the main camera is 50 MP vs 48 MP; the Realme GT 8 is faster in AnTuTu (3,126,402 vs 1,010,069).
Profile comparison
Category scores
Realme GT 8
Redmi K40
What makes Realme GT 8 better?
- Higher AnTuTu: 3126402 vs 1010069
- Better Geekbench Single: 3013 vs 1298
- Better Geekbench Multi: 9287 vs 3520
- Bigger battery: 7000 vs 4520 mAh
- Faster charging: 100W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (91/100 vs 61/100)
- Better camera (56/100 vs 36/100)
- Longer battery life (85/100 vs 42/100)
- Better display (98/100 vs 79/100)
What makes Redmi K40 better?
- Lighter: 196g vs 209g
- Cheaper at launch: $309 vs $350
- Better portability (64/100 vs 50/100)
Comparison verdict
Comparing the Realme GT 8 vs the Redmi K40, the Realme GT 8 scores 26 points higher (80/100 vs 54/100). In the "performance" category, the Realme GT 8 leads (91/100 vs 61/100). In the "camera" category, the Realme GT 8 leads (56/100 vs 36/100). In the "battery" category, the Realme GT 8 leads (85/100 vs 42/100). Value score: Realme GT 8 — 94/100, Redmi K40 — 46/100; 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 GT 8 significantly outperforms the Redmi K40 (91/100 vs 61/100). In the "display" category, the Realme GT 8 notably outperforms the Redmi K40 (98/100 vs 79/100). In the "camera" category, the Realme GT 8 notably outperforms the Redmi K40 (56/100 vs 36/100). In the "battery" category, the Realme GT 8 significantly outperforms the Redmi K40 (85/100 vs 42/100). In the "portability" category, the Redmi K40 is a bit better (64/100 vs 50/100).
Specs comparison
| Specification | Realme GT 8 | Redmi K40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 870 | |
| AnTuTu | 3126402 | 1010069 | |
| Geekbench Single | 3013 | 1298 | |
| Geekbench Multi | 9287 | 3520 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1440x3136 | 2400x1080 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 4520 mAh | |
| Charging | 100W | 33W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | — | 1300 nits | |
| NFC | — | yes | |
| Dimensions | — | 163.7×76.4×7.8 mm | |
| Weight | 209 g | 196 g | |
| Launch price | $350 | $309 |
Camera comparison
Realme GT 8
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 16MP
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Realme GT 8
- 6.8" AMOLED
- Resolution: 1440x3136
- Refresh rate: 144 Hz
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Battery and charging
Realme GT 8
- 7000 mAh
- Wired: 100W
- Wireless charging: no data
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
Overall performance score
We compared Realme GT 8 and Redmi K40, covering their specs and all relevant benchmarks.
Realme GT 8 leads Redmi K40 by 209.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $41. Redmi K40 was $41 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Realme GT 8 significantly outperforms the Redmi K40 (91/100 vs 61/100).
display
In the "display" category, the Realme GT 8 notably outperforms the Redmi K40 (98/100 vs 79/100).
camera
In the "camera" category, the Realme GT 8 notably outperforms the Redmi K40 (56/100 vs 36/100).
battery
In the "battery" category, the Realme GT 8 significantly outperforms the Redmi K40 (85/100 vs 42/100).
portability
In the "portability" category, the Redmi K40 is a bit better (64/100 vs 50/100).
Frequently asked questions
Which is better: the Realme GT 8 or the Redmi K40?
The Realme GT 8 significantly outperforms the Redmi K40 by 26 points (80/100 vs 54/100).
What is the rating of the Realme GT 8 and the Redmi K40?
The Realme GT 8 has a MobileRank rating of 80/100, the Redmi K40 — 54/100.
Which has the better camera: the Realme GT 8 or the Redmi K40?
The Realme GT 8 leads on camera score (56/100 vs 36/100).
Which is more powerful: the Realme GT 8 or the Redmi K40?
The Realme GT 8 leads on performance (91/100 vs 61/100).
Should you choose the Realme GT 8 over the Redmi K40?
The Realme GT 8 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi K40 is a better fit for active users.