Redmi 15a vs Redmi K100
The Redmi 15a (2026) runs on the Unisoc T8300, while the Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 42/100 (a 31-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 6300); the main camera is 32 MP vs 50 MP; the Redmi K100 is faster in AnTuTu (3,298,726 vs 639,225); the Redmi K100 has NFC for contactless payments, the Redmi 15a doesn't; the Redmi 15a is noticeably lighter (210g vs 234g).
Profile comparison
Category scores
Redmi 15a
Redmi K100
What makes Redmi 15a better?
- Lighter: 210g vs 234g
- Better portability (51/100 vs 25/100)
What makes Redmi K100 better?
- Higher AnTuTu: 3298726 vs 639225
- Better Geekbench Single: 3013 vs 880
- Better Geekbench Multi: 9287 vs 2073
- Bigger battery: 10000 vs 6300 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 32MP
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 47/100)
- Better camera (37/100 vs 20/100)
- Longer battery life (80/100 vs 52/100)
- Better display (94/100 vs 55/100)
Comparison verdict
Comparing the Redmi 15a vs the Redmi K100, the Redmi K100 scores 31 points higher (73/100 vs 42/100). In the "performance" category, the Redmi K100 leads (92/100 vs 47/100). In the "camera" category, the Redmi K100 leads (37/100 vs 20/100). In the "battery" category, the Redmi K100 leads (80/100 vs 52/100). In the "performance" category, the Redmi K100 significantly outperforms the Redmi 15a (92/100 vs 47/100). In the "display" category, the Redmi K100 significantly outperforms the Redmi 15a (94/100 vs 55/100). In the "camera" category, the Redmi K100 notably outperforms the Redmi 15a (37/100 vs 20/100). In the "battery" category, the Redmi K100 notably outperforms the Redmi 15a (80/100 vs 52/100). In the "portability" category, the Redmi 15a notably outperforms the Redmi K100 (51/100 vs 25/100).
Specs comparison
| Specification | Redmi 15a | Redmi K100 | |
|---|---|---|---|
| Processor | Unisoc T8300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 639225 | 3298726 | |
| Geekbench Single | 880 | 3013 | |
| Geekbench Multi | 2073 | 9287 | |
| Display | 6.9" IPS LCD | 6.8" AMOLED | |
| Resolution | 720x1600 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6300 mAh | 10000 mAh | |
| Charging | 15W | 100W | |
| Main camera | 32 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 8 MP | 20 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB | |
| Storage | 64GB / 128GB | 256GB / 512GB | |
| OS | Android 16 | Android 17 | |
| Brightness (peak) | 800 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 171.6×79.5×8.2 mm | — | |
| Weight | 210 g | 234 g | |
| Launch price | $130 | — |
Camera comparison
Redmi 15a
- Main: 32MP f/2.0
- Front: 8MP
Redmi K100
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi 15a
- 6.9" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Redmi K100
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Redmi 15a
- 6300 mAh
- Wired: 15W
- No wireless charging
Redmi K100
- 10000 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi 15a and Redmi K100, covering their specs and all relevant benchmarks.
Redmi K100 leads Redmi 15a by 80.6% 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 Redmi 15a (92/100 vs 47/100).
display
In the "display" category, the Redmi K100 significantly outperforms the Redmi 15a (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K100 notably outperforms the Redmi 15a (37/100 vs 20/100).
battery
In the "battery" category, the Redmi K100 notably outperforms the Redmi 15a (80/100 vs 52/100).
portability
In the "portability" category, the Redmi 15a notably outperforms the Redmi K100 (51/100 vs 25/100).
Frequently asked questions
Which is better: the Redmi 15a or the Redmi K100?
The Redmi K100 significantly outperforms the Redmi 15a by 31 points (73/100 vs 42/100).
What is the rating of the Redmi 15a and the Redmi K100?
The Redmi 15a has a MobileRank rating of 42/100, the Redmi K100 — 73/100.
Which has the better camera: the Redmi 15a or the Redmi K100?
The Redmi K100 leads on camera score (37/100 vs 20/100).
Which is more powerful: the Redmi 15a or the Redmi K100?
The Redmi K100 leads on performance (92/100 vs 47/100).
Should you choose the Redmi 15a over the Redmi K100?
The Redmi K100 is a better fit for gamers and power users, those who care about battery life.