Redmi K90 Ultra vs Tecno Spark Go
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Tecno Spark Go (2025) runs on the MediaTek Dimensity 6400; launch prices were $420 and $109. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 44/100 (a 29-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 581,041); the Redmi K90 Ultra has NFC for contactless payments, the Tecno Spark Go doesn't; the Tecno Spark Go is noticeably lighter (194g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Tecno Spark Go
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 581041
- Better Geekbench Single: 3013 vs 803
- Better Geekbench Multi: 9287 vs 2047
- Bigger battery: 8550 vs 6000 mAh
- Faster charging: 100W vs 18W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 45/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 51/100)
- Better display (94/100 vs 55/100)
What makes Tecno Spark Go better?
- Lighter: 194g vs 227g
- Cheaper at launch: $109 vs $420
- Better portability (63/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Tecno Spark Go, the Redmi K90 Ultra scores 29 points higher (73/100 vs 44/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 45/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 51/100). Value score: Redmi K90 Ultra — 72/100, Tecno Spark Go — 74/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Tecno Spark Go (92/100 vs 45/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Tecno Spark Go (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Tecno Spark Go (78/100 vs 51/100). In the "portability" category, the Tecno Spark Go notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Tecno Spark Go | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 6400 | |
| AnTuTu | 3233695 | 581041 | |
| Geekbench Single | 3013 | 803 | |
| Geekbench Multi | 9287 | 2047 | |
| Display | 6.8" AMOLED | 6.8" IPS LCD | |
| Resolution | 1280x2772 | 720x1600 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6000 mAh | |
| Charging | 100W | 18W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 4GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68/IP69 | IP64 | |
| Dimensions | 162.9×77.9×8.2 mm | 167.7×77.9×8.0 mm | |
| Weight | 227 g | 194 g | |
| Launch price | $420 | $109 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Tecno Spark Go
- Main: 50MP
- Front: 5MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Tecno Spark Go
- 6.8" IPS LCD
- Resolution: 720x1600
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Tecno Spark Go
- 6000 mAh
- Wired: 18W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Tecno Spark Go, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Tecno Spark Go by 456.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $311. Tecno Spark Go was $311 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Tecno Spark Go (92/100 vs 45/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Tecno Spark Go (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Tecno Spark Go (78/100 vs 51/100).
portability
In the "portability" category, the Tecno Spark Go notably outperforms the Redmi K90 Ultra (63/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Tecno Spark Go?
The Redmi K90 Ultra significantly outperforms the Tecno Spark Go by 29 points (73/100 vs 44/100).
What is the rating of the Redmi K90 Ultra and the Tecno Spark Go?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Tecno Spark Go — 44/100.
Which has the better camera: the Redmi K90 Ultra or the Tecno Spark Go?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K90 Ultra or the Tecno Spark Go?
The Redmi K90 Ultra leads on performance (92/100 vs 45/100).
Should you choose the Redmi K90 Ultra over the Tecno Spark Go?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.