Redmi K100 vs Tecno Spark 40c
The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Tecno Spark 40c (2025) runs on the Helio G81. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 33/100 (a 40-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 6000); the main camera is 50 MP vs 13 MP; the Redmi K100 is faster in AnTuTu (3,298,726 vs 358,608); the Redmi K100 has NFC for contactless payments, the Tecno Spark 40c doesn't.
Profile comparison
Category scores
Redmi K100
Tecno Spark 40c
What makes Redmi K100 better?
- Higher AnTuTu: 3298726 vs 358608
- Better Geekbench Single: 3013 vs 432
- Better Geekbench Multi: 9287 vs 1416
- Bigger battery: 10000 vs 6000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 30/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (80/100 vs 51/100)
- Better display (94/100 vs 55/100)
What makes Tecno Spark 40c better?
- Better portability (48/100 vs 25/100)
Comparison verdict
Comparing the Redmi K100 vs the Tecno Spark 40c, the Redmi K100 scores 40 points higher (73/100 vs 33/100). In the "performance" category, the Redmi K100 leads (92/100 vs 30/100). In the "camera" category, the Redmi K100 leads (37/100 vs 10/100). In the "battery" category, the Redmi K100 leads (80/100 vs 51/100). In the "performance" category, the Redmi K100 significantly outperforms the Tecno Spark 40c (92/100 vs 30/100). In the "display" category, the Redmi K100 significantly outperforms the Tecno Spark 40c (94/100 vs 55/100). In the "camera" category, the Redmi K100 notably outperforms the Tecno Spark 40c (37/100 vs 10/100). In the "battery" category, the Redmi K100 notably outperforms the Tecno Spark 40c (80/100 vs 51/100). In the "portability" category, the Tecno Spark 40c notably outperforms the Redmi K100 (48/100 vs 25/100).
Specs comparison
| Specification | Redmi K100 | Tecno Spark 40c | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Helio G81 | |
| AnTuTu | 3298726 | 358608 | |
| Geekbench Single | 3013 | 432 | |
| Geekbench Multi | 9287 | 1416 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 1280x2772 | 720x1600 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 10000 mAh | 6000 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 17 | Android 15 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | IP64 | |
| Dimensions | — | 165.6×77.0×8.4 mm | |
| Weight | 234 g | — | |
| Launch price | — | $102 |
Camera comparison
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Tecno Spark 40c
- Main: 13MP f/1.8
- Front: 8MP
Display comparison
Redmi K100
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Tecno Spark 40c
- 6.7" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Battery and charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Tecno Spark 40c
- 6000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Redmi K100 and Tecno Spark 40c, covering their specs and all relevant benchmarks.
Redmi K100 leads Tecno Spark 40c by 819.9% 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 Tecno Spark 40c (92/100 vs 30/100).
display
In the "display" category, the Redmi K100 significantly outperforms the Tecno Spark 40c (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K100 notably outperforms the Tecno Spark 40c (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K100 notably outperforms the Tecno Spark 40c (80/100 vs 51/100).
portability
In the "portability" category, the Tecno Spark 40c notably outperforms the Redmi K100 (48/100 vs 25/100).
Frequently asked questions
Which is better: the Redmi K100 or the Tecno Spark 40c?
The Redmi K100 significantly outperforms the Tecno Spark 40c by 40 points (73/100 vs 33/100).
What is the rating of the Redmi K100 and the Tecno Spark 40c?
The Redmi K100 has a MobileRank rating of 73/100, the Tecno Spark 40c — 33/100.
Which has the better camera: the Redmi K100 or the Tecno Spark 40c?
The Redmi K100 leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K100 or the Tecno Spark 40c?
The Redmi K100 leads on performance (92/100 vs 30/100).
Should you choose the Redmi K100 over the Tecno Spark 40c?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life.