Redmi K100 vs Tecno Spark 40
The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Tecno Spark 40 (2025) runs on the MediaTek Helio G81. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 39/100 (a 34-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 5200); the Redmi K100 is faster in AnTuTu (3,298,726 vs 358,608); the Tecno Spark 40 is noticeably lighter (192g vs 234g).
Profile comparison
Category scores
Redmi K100
Tecno Spark 40
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 5200 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 30/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (80/100 vs 53/100)
- Better display (94/100 vs 55/100)
What makes Tecno Spark 40 better?
- Lighter: 192g vs 234g
- Better portability (68/100 vs 25/100)
Comparison verdict
Comparing the Redmi K100 vs the Tecno Spark 40, the Redmi K100 scores 34 points higher (73/100 vs 39/100). In the "performance" category, the Redmi K100 leads (92/100 vs 30/100). In the "battery" category, the Redmi K100 leads (80/100 vs 53/100). In the "performance" category, the Redmi K100 significantly outperforms the Tecno Spark 40 (92/100 vs 30/100). In the "display" category, the Redmi K100 significantly outperforms the Tecno Spark 40 (94/100 vs 55/100). In the "camera" category, the Redmi K100 is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K100 notably outperforms the Tecno Spark 40 (80/100 vs 53/100). In the "portability" category, the Tecno Spark 40 significantly outperforms the Redmi K100 (68/100 vs 25/100).
Specs comparison
| Specification | Redmi K100 | Tecno Spark 40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio G81 | |
| AnTuTu | 3298726 | 358608 | |
| Geekbench Single | 3013 | 432 | |
| Geekbench Multi | 9287 | 1416 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 1280x2772 | 1600x720 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 10000 mAh | 5200 mAh | |
| Charging | 100W | 45W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 17 | Android 15 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP64 | |
| Dimensions | — | 165.6×77.0×7.7 mm | |
| Weight | 234 g | 192 g | |
| Launch price | — | $120 |
Camera comparison
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Tecno Spark 40
- Main: 50MP
- Front: 8MP
Display comparison
Redmi K100
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Tecno Spark 40
- 6.7" IPS LCD
- Resolution: 1600x720
- Refresh rate: 120 Hz
Battery and charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Tecno Spark 40
- 5200 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared Redmi K100 and Tecno Spark 40, covering their specs and all relevant benchmarks.
Redmi K100 leads Tecno Spark 40 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 40 (92/100 vs 30/100).
display
In the "display" category, the Redmi K100 significantly outperforms the Tecno Spark 40 (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K100 is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K100 notably outperforms the Tecno Spark 40 (80/100 vs 53/100).
portability
In the "portability" category, the Tecno Spark 40 significantly outperforms the Redmi K100 (68/100 vs 25/100).
Frequently asked questions
Which is better: the Redmi K100 or the Tecno Spark 40?
The Redmi K100 significantly outperforms the Tecno Spark 40 by 34 points (73/100 vs 39/100).
What is the rating of the Redmi K100 and the Tecno Spark 40?
The Redmi K100 has a MobileRank rating of 73/100, the Tecno Spark 40 — 39/100.
Which has the better camera: the Redmi K100 or the Tecno Spark 40?
The Redmi K100 leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K100 or the Tecno Spark 40?
The Redmi K100 leads on performance (92/100 vs 30/100).
Should you choose the Redmi K100 over the Tecno Spark 40?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life.