Redmi K100 vs Samsung Galaxy A40
The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A40 (2019) runs on the Samsung Exynos 7904. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 25/100 (a 48-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 3100); the main camera is 50 MP vs 16 MP; the Redmi K100 is faster in AnTuTu (3,298,726 vs 257,901); the Samsung Galaxy A40 is noticeably lighter (140g vs 234g).
Profile comparison
Category scores
Redmi K100
Samsung Galaxy A40
What makes Redmi K100 better?
- Higher AnTuTu: 3298726 vs 257901
- Better Geekbench Single: 3013 vs 330
- Better Geekbench Multi: 9287 vs 975
- Bigger battery: 10000 vs 3100 mAh
- Better main camera: 50MP vs 16MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 19/100)
- Better camera (37/100 vs 17/100)
- Longer battery life (80/100 vs 12/100)
- Better display (94/100 vs 51/100)
What makes Samsung Galaxy A40 better?
- Lighter: 140g vs 234g
- Better portability (84/100 vs 25/100)
Comparison verdict
Comparing the Redmi K100 vs the Samsung Galaxy A40, the Redmi K100 scores 48 points higher (73/100 vs 25/100). In the "performance" category, the Redmi K100 leads (92/100 vs 19/100). In the "camera" category, the Redmi K100 leads (37/100 vs 17/100). In the "battery" category, the Redmi K100 leads (80/100 vs 12/100). In the "performance" category, the Redmi K100 significantly outperforms the Samsung Galaxy A40 (92/100 vs 19/100). In the "display" category, the Redmi K100 significantly outperforms the Samsung Galaxy A40 (94/100 vs 51/100). In the "camera" category, the Redmi K100 notably outperforms the Samsung Galaxy A40 (37/100 vs 17/100). In the "battery" category, the Redmi K100 significantly outperforms the Samsung Galaxy A40 (80/100 vs 12/100). In the "portability" category, the Samsung Galaxy A40 significantly outperforms the Redmi K100 (84/100 vs 25/100).
Specs comparison
| Specification | Redmi K100 | Samsung Galaxy A40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 7904 | |
| AnTuTu | 3298726 | 257901 | |
| Geekbench Single | 3013 | 330 | |
| Geekbench Multi | 9287 | 975 | |
| Display | 6.8" AMOLED | 5.9" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 10000 mAh | 3100 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 16 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 25 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 64GB | |
| OS | Android 17 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 144.4×69.2×7.9 mm | |
| Weight | 234 g | 140 g | |
| Launch price | — | $250 |
Camera comparison
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A40
- Main: 16MP
- Front: 25MP
Display comparison
Redmi K100
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A40
- 5.9" AMOLED
- Refresh rate: 60 Hz
Battery and charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A40
- 3100 mAh
- No wireless charging
Overall performance score
We compared Redmi K100 and Samsung Galaxy A40, covering their specs and all relevant benchmarks.
Redmi K100 leads Samsung Galaxy A40 by 1179.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K100
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K100 significantly outperforms the Samsung Galaxy A40 (92/100 vs 19/100).
display
In the "display" category, the Redmi K100 significantly outperforms the Samsung Galaxy A40 (94/100 vs 51/100).
camera
In the "camera" category, the Redmi K100 notably outperforms the Samsung Galaxy A40 (37/100 vs 17/100).
battery
In the "battery" category, the Redmi K100 significantly outperforms the Samsung Galaxy A40 (80/100 vs 12/100).
portability
In the "portability" category, the Samsung Galaxy A40 significantly outperforms the Redmi K100 (84/100 vs 25/100).
Frequently asked questions
Which is better: the Redmi K100 or the Samsung Galaxy A40?
The Redmi K100 significantly outperforms the Samsung Galaxy A40 by 48 points (73/100 vs 25/100).
What is the rating of the Redmi K100 and the Samsung Galaxy A40?
The Redmi K100 has a MobileRank rating of 73/100, the Samsung Galaxy A40 — 25/100.
Which has the better camera: the Redmi K100 or the Samsung Galaxy A40?
The Redmi K100 leads on camera score (37/100 vs 17/100).
Which is more powerful: the Redmi K100 or the Samsung Galaxy A40?
The Redmi K100 leads on performance (92/100 vs 19/100).
Should you choose the Redmi K100 over the Samsung Galaxy A40?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life.