Redmi 15 4G vs Tecno Spark 20C
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Tecno Spark 20C (2023) runs on the MediaTek. By overall MobileRank rating, the Redmi 15 4G leads — 32/100 vs 16/100 (a 16-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 5000); the Redmi 15 4G has NFC for contactless payments, the Tecno Spark 20C doesn't.
Redmi 15 4G
Tecno Spark 20C
- Bigger battery: 7000 vs 5000 mAh
- Faster charging: 33W vs 18W
- Higher refresh rate: 144Hz vs 90Hz
- Better camera (24/100 vs 0/100)
- Longer battery life (53/100 vs 36/100)
- Better display (100/100 vs 50/100)
- Better value for money (100/100 vs 55/100)
- Better design/ergonomics (50/100 vs 20/100)
Comparing the Redmi 15 4G vs the Tecno Spark 20C, the Redmi 15 4G scores 16 points higher (32/100 vs 16/100). In the "camera" category, the Redmi 15 4G leads (24/100 vs 0/100). In the "battery" category, the Redmi 15 4G leads (53/100 vs 36/100). In the "value for money" category, the Redmi 15 4G leads (100/100 vs 55/100). In the "performance" category, both devices are on the same level — 0/100. In the "display" category, the Redmi 15 4G significantly outperforms the Tecno Spark 20C (100/100 vs 50/100). In the "camera" category, the Redmi 15 4G notably outperforms the Tecno Spark 20C (24/100 vs 0/100). In the "battery" category, the Redmi 15 4G notably outperforms the Tecno Spark 20C (53/100 vs 36/100). In the "design" category, the Tecno Spark 20C significantly outperforms the Redmi 15 4G (50/100 vs 20/100). In the "value for money" category, the Redmi 15 4G significantly outperforms the Tecno Spark 20C (100/100 vs 55/100).
| Specification | Redmi 15 4G | Tecno Spark 20C | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | MediaTek | |
| AnTuTu | 467392 | — | |
| Geekbench Single | 466 | — | |
| Geekbench Multi | 1396 | — | |
| Display | 6.9" IPS LCD | 6.6" IPS LCD | |
| Resolution | 1080x2340 | 720x1612 | |
| Refresh rate | 144 Hz | 90 Hz | |
| Battery | 7000 mAh | 5000 mAh | |
| Charging | 33W | 18W | |
| Main camera | 50 MP | — | |
| Front camera | 8 MP | 8 MP | |
| RAM | 4GB / 6GB / 8GB | 4GB / 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15, HyperOS 2 | Android 13 | |
| NFC | yes | no | |
| Protection | IP64 | — | |
| Dimensions | 171.1×82.1×8.6 mm | 163.7×75.6×8.6 mm | |
| Weight | 224 g | — | |
| Price | $135 | — |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Tecno Spark 20C
- Main: —
- Front: 8MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Tecno Spark 20C
- 6.6" IPS LCD
- Resolution: 720x1612
- Refresh rate: 90 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Tecno Spark 20C
- 5000 mAh
- Wired: 18W
- No wireless charging
Tecno Spark 20C
Price unknownperformance
In the "performance" category, both devices are on the same level — 0/100.
display
In the "display" category, the Redmi 15 4G significantly outperforms the Tecno Spark 20C (100/100 vs 50/100).
camera
In the "camera" category, the Redmi 15 4G notably outperforms the Tecno Spark 20C (24/100 vs 0/100).
battery
In the "battery" category, the Redmi 15 4G notably outperforms the Tecno Spark 20C (53/100 vs 36/100).
design
In the "design" category, the Tecno Spark 20C significantly outperforms the Redmi 15 4G (50/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G significantly outperforms the Tecno Spark 20C (100/100 vs 55/100).
Which is better: the Redmi 15 4G or the Tecno Spark 20C?
The Redmi 15 4G is noticeably better than the Tecno Spark 20C — the overall rating gap is 16 points.
What is the rating of the Redmi 15 4G and the Tecno Spark 20C?
The Redmi 15 4G has a MobileRank rating of 32/100, the Tecno Spark 20C — 16/100.
Which has the better camera: the Redmi 15 4G or the Tecno Spark 20C?
The Redmi 15 4G leads on camera score (24/100 vs 0/100).
Should you choose the Redmi 15 4G over the Tecno Spark 20C?
The Redmi 15 4G is a better fit for budget-conscious buyers. The Tecno Spark 20C is a better fit for everyday use.