Realme Neo8 vs Redmi K40
The Realme Neo8 (2026) runs on the Snapdragon 8 Gen 5, while the Redmi K40 (2021) runs on the Qualcomm Snapdragon 870; launch prices were $429 and $309. By overall MobileRank rating, the Realme Neo8 leads — 77/100 vs 54/100 (a 23-point difference). Key differences: the Realme Neo8 has the bigger battery (8000 mAh vs 4520); the main camera is 50 MP vs 48 MP; the Realme Neo8 is faster in AnTuTu (3,222,272 vs 1,010,069); the Redmi K40 is noticeably lighter (196g vs 215g).
Profile comparison
Category scores
Realme Neo8
Redmi K40
What makes Realme Neo8 better?
- Higher AnTuTu: 3222272 vs 1010069
- Better Geekbench Single: 2833 vs 1298
- Better Geekbench Multi: 9119 vs 3520
- Bigger battery: 8000 vs 4520 mAh
- Faster charging: 80W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (91/100 vs 61/100)
- Better camera (56/100 vs 36/100)
- Longer battery life (71/100 vs 42/100)
- Better display (94/100 vs 79/100)
What makes Redmi K40 better?
- Lighter: 196g vs 215g
- Cheaper at launch: $309 vs $429
- Better portability (64/100 vs 47/100)
Comparison verdict
Comparing the Realme Neo8 vs the Redmi K40, the Realme Neo8 scores 23 points higher (77/100 vs 54/100). In the "performance" category, the Realme Neo8 leads (91/100 vs 61/100). In the "camera" category, the Realme Neo8 leads (56/100 vs 36/100). In the "battery" category, the Realme Neo8 leads (71/100 vs 42/100). Value score: Realme Neo8 — 80/100, 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 Neo8 significantly outperforms the Redmi K40 (91/100 vs 61/100). In the "display" category, the Realme Neo8 notably outperforms the Redmi K40 (94/100 vs 79/100). In the "camera" category, the Realme Neo8 notably outperforms the Redmi K40 (56/100 vs 36/100). In the "battery" category, the Realme Neo8 notably outperforms the Redmi K40 (71/100 vs 42/100). In the "portability" category, the Redmi K40 notably outperforms the Realme Neo8 (64/100 vs 47/100).
Specs comparison
| Specification | Realme Neo8 | Redmi K40 | |
|---|---|---|---|
| Processor | Snapdragon 8 Gen 5 | Qualcomm Snapdragon 870 | |
| AnTuTu | 3222272 | 1010069 | |
| Geekbench Single | 2833 | 1298 | |
| Geekbench Multi | 9119 | 3520 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1272x2772 | 2400x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8000 mAh | 4520 mAh | |
| Charging | 80W | 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) | 6500 nits | 1300 nits | |
| NFC | yes | yes | |
| Protection | IP69 | — | |
| Dimensions | 162.0×77.1×8.3 mm | 163.7×76.4×7.8 mm | |
| Weight | 215 g | 196 g | |
| Launch price | $429 | $309 |
Camera comparison
Realme Neo8
- 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 Neo8
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 165 Hz
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Battery and charging
Realme Neo8
- 8000 mAh
- Wired: 80W
- No wireless charging
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
Overall performance score
We compared Realme Neo8 and Redmi K40, covering their specs and all relevant benchmarks.
Realme Neo8 leads Redmi K40 by 219.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $120. Redmi K40 was $120 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Realme Neo8 significantly outperforms the Redmi K40 (91/100 vs 61/100).
display
In the "display" category, the Realme Neo8 notably outperforms the Redmi K40 (94/100 vs 79/100).
camera
In the "camera" category, the Realme Neo8 notably outperforms the Redmi K40 (56/100 vs 36/100).
battery
In the "battery" category, the Realme Neo8 notably outperforms the Redmi K40 (71/100 vs 42/100).
portability
In the "portability" category, the Redmi K40 notably outperforms the Realme Neo8 (64/100 vs 47/100).
Frequently asked questions
Which is better: the Realme Neo8 or the Redmi K40?
The Realme Neo8 significantly outperforms the Redmi K40 by 23 points (77/100 vs 54/100).
What is the rating of the Realme Neo8 and the Redmi K40?
The Realme Neo8 has a MobileRank rating of 77/100, the Redmi K40 — 54/100.
Which has the better camera: the Realme Neo8 or the Redmi K40?
The Realme Neo8 leads on camera score (56/100 vs 36/100).
Which is more powerful: the Realme Neo8 or the Redmi K40?
The Realme Neo8 leads on performance (91/100 vs 61/100).
Should you choose the Realme Neo8 over the Redmi K40?
The Realme Neo8 is a better fit for gamers and power users, budget-conscious buyers. The Redmi K40 is a better fit for active users.