OnePlus 9 vs Redmi K90 Max

OnePlus 9

Qualcomm Snapdragon 888

OnePlus Ace 7 OnePlus 15s OnePlus 14 Pro OnePlus 15T OnePlus 15 OnePlus Ace 6 Ultra OnePlus Ace 6 OnePlus 13T

Redmi K90 Max

MediaTek Dimensity 9500

Redmi K100 Pro Max Redmi K90 Pro Max Redmi K100 Pro Redmi K90 Ultra Redmi K90 Redmi K80 Pro Redmi K80 Ultra Redmi Turbo 5 Max

The OnePlus 9 (2021) runs on the Qualcomm Snapdragon 888, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $729 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 75/100 vs 60/100 (a 15-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 1,157,244); the OnePlus 9 is noticeably lighter (192g vs 227g).

The Redmi K90 Max is noticeably better than the OnePlus 9 — the overall rating gap is 15 points.

Profile comparison

Category scores

OnePlus 9

Performance 64

Display 80

Camera 51

Battery 50

Portability 56

Value for money 34

Redmi K90 Max

Performance 96

Display 94

Camera 37

Battery 78

Portability 41

Value for money 72

What makes OnePlus 9 better?

Lighter: 192g vs 227g

Better camera (51/100 vs 37/100)
Better portability (56/100 vs 41/100)

What makes Redmi K90 Max better?

Higher AnTuTu: 3760662 vs 1157244
Better Geekbench Single: 3293 vs 1500
Better Geekbench Multi: 10243 vs 3537
Bigger battery: 8550 vs 4500 mAh
Faster charging: 100W vs 65W
Better main camera: 50MP vs 48MP
Higher refresh rate: 165Hz vs 120Hz
Cheaper at launch: $504 vs $729

Higher performance (96/100 vs 64/100)
Longer battery life (78/100 vs 50/100)
Better display (94/100 vs 80/100)

Comparison verdict

Comparing the OnePlus 9 vs the Redmi K90 Max, the Redmi K90 Max scores 15 points higher (75/100 vs 60/100). In the "performance" category, the Redmi K90 Max leads (96/100 vs 64/100). In the "camera" category, the OnePlus 9 leads (51/100 vs 37/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 50/100). Value score: OnePlus 9 — 34/100, Redmi K90 Max — 72/100; 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 Max significantly outperforms the OnePlus 9 (96/100 vs 64/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 80/100). In the "camera" category, the OnePlus 9 is a bit better (51/100 vs 37/100). In the "battery" category, the Redmi K90 Max notably outperforms the OnePlus 9 (78/100 vs 50/100). In the "portability" category, the OnePlus 9 notably outperforms the Redmi K90 Max (56/100 vs 41/100).

OnePlus 9: The OnePlus 9 is a better fit for active users.

Redmi K90 Max: The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.

Specs comparison

Specification	OnePlus 9	Redmi K90 Max
Processor	Qualcomm Snapdragon 888	MediaTek Dimensity 9500
AnTuTu	1157244	3760662
Geekbench Single	1500	3293
Geekbench Multi	3537	10243
Display	6.5" AMOLED	6.8" AMOLED
Resolution	2400x1080	2772x1280
Refresh rate	120 Hz	165 Hz
Battery	4500 mAh	8550 mAh
Charging	65W	100W
Wireless charging	15W	0W
Main camera	48 MP	50 MP
Ultrawide	50 MP	8 MP
Front camera	16 MP	20 MP
RAM	8GB / 12GB	12GB / 16GB
Storage	128GB / 256GB	256GB / 512GB / 1TB
OS	Android 11	Android 16
Brightness (peak)	1100 nits	3500 nits
NFC	yes	yes
Protection	—	IP66
Dimensions	160.0×74.2×8.7 mm	162.9×77.9×8.1 mm
Weight	192 g	227 g
Launch price	$729	$504