Realme C100 5G vs Redmi K90 Pro Max
The Realme C100 5G (2026) runs on the Dimensity 6300, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $210 and $561. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 45/100 (a 41-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 7000); the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 524,785); the Redmi K90 Pro Max has NFC for contactless payments, the Realme C100 5G doesn't; the Redmi K90 Pro Max is thinner (7.9mm vs 8.9mm).
Realme C100 5G
Redmi K90 Pro Max
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper at launch: $210 vs $561
- Overall rating 45/100
- Higher AnTuTu: 4119955 vs 524785
- Better Geekbench Single: 3640 vs 771
- Better Geekbench Multi: 11033 vs 1980
- Bigger battery: 7560 vs 7000 mAh
- Faster charging: 100W vs 45W
- Lighter: 210g vs 224g
- Higher performance (98/100 vs 43/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (89/100 vs 60/100)
- Better display (81/100 vs 65/100)
- Better portability (54/100 vs 36/100)
Comparing the Realme C100 5G vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 41 points higher (86/100 vs 45/100). In the "performance" category, the Redmi K90 Pro Max leads (98/100 vs 43/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 30/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 60/100). Value score: Realme C100 5G — 50/100, Redmi K90 Pro Max — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Realme C100 5G (98/100 vs 43/100). In the "display" category, the Redmi K90 Pro Max notably outperforms the Realme C100 5G (81/100 vs 65/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Realme C100 5G (78/100 vs 30/100). In the "battery" category, the Redmi K90 Pro Max notably outperforms the Realme C100 5G (89/100 vs 60/100). In the "portability" category, the Redmi K90 Pro Max notably outperforms the Realme C100 5G (54/100 vs 36/100).
| Specification | Realme C100 5G | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | Dimensity 6300 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 524785 | 4119955 | |
| Geekbench Single | 771 | 3640 | |
| Geekbench Multi | 1980 | 11033 | |
| Display | 6.8" IPS LCD | 6.9" OLED | |
| Resolution | 720x1570 | 2608x1200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7560 mAh | |
| Charging | 45W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 4GB / 6GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 / realme UI 7.0 | Android 16 | |
| Brightness (peak) | 900 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 166.8×78.2×8.9 mm | 163.3×77.8×7.9 mm | |
| Weight | 224 g | 210 g | |
| Launch price | $210 | $561 |
Realme C100 5G
- Main: 50MP f/f/1.8
- Front: 5MP
Redmi K90 Pro Max
- Main: 50MP f/f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Realme C100 5G
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 144 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Realme C100 5G
- 7000 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
We compared Realme C100 5G and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Realme C100 5G by 87.3% in our overall performance rating.
Launch price difference: $351. Realme C100 5G was $351 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Realme C100 5G (98/100 vs 43/100).
display
In the "display" category, the Redmi K90 Pro Max notably outperforms the Realme C100 5G (81/100 vs 65/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Realme C100 5G (78/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Pro Max notably outperforms the Realme C100 5G (89/100 vs 60/100).
portability
In the "portability" category, the Redmi K90 Pro Max notably outperforms the Realme C100 5G (54/100 vs 36/100).
Which is better: the Realme C100 5G or the Redmi K90 Pro Max?
The Redmi K90 Pro Max significantly outperforms the Realme C100 5G by 41 points (86/100 vs 45/100).
What is the rating of the Realme C100 5G and the Redmi K90 Pro Max?
The Realme C100 5G has a MobileRank rating of 45/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the Realme C100 5G or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 30/100).
Which is more powerful: the Realme C100 5G or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (98/100 vs 43/100).
Should you choose the Realme C100 5G over the Redmi K90 Pro Max?
The Realme C100 5G is a better fit for everyday use. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.