OnePlus 15 vs Redmi K20 Pro Premium

OnePlus 15

Qualcomm Snapdragon 8 Elite Gen 5

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

Redmi K20 Pro Premium

Qualcomm Snapdragon 855+

Redmi K90 Max Redmi K100 Pro Max Redmi K90 Pro Max Redmi K100 Pro Redmi K90 Ultra Redmi K90 Redmi K80 Pro Redmi K80 Ultra

The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K20 Pro Premium (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 50/100 (a 36-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus 15 is faster in AnTuTu (3,606,149 vs 859,084); the Redmi K20 Pro Premium is noticeably lighter (191g vs 213g).

The OnePlus 15 significantly outperforms the Redmi K20 Pro Premium by 36 points (86/100 vs 50/100).

Profile comparison

Category scores

OnePlus 15

Performance 97

Display 84

Camera 78

Battery 89

Portability 50

Value for money 86

Redmi K20 Pro Premium

Performance 55

Display 83

Camera 41

Battery 24

Portability 56

Value for money —

What makes OnePlus 15 better?

Higher AnTuTu: 3606149 vs 859084
Better Geekbench Single: 3639 vs 1031
Better Geekbench Multi: 11047 vs 2864
Bigger battery: 6500 vs 4000 mAh
Faster charging: 120W vs 27W
Better main camera: 50MP vs 48MP

Higher performance (97/100 vs 55/100)
Better camera (78/100 vs 41/100)
Longer battery life (89/100 vs 24/100)
Better display (84/100 vs 83/100)

What makes Redmi K20 Pro Premium better?

Lighter: 191g vs 213g

Better portability (56/100 vs 50/100)

Comparison verdict

Comparing the OnePlus 15 vs the Redmi K20 Pro Premium, the OnePlus 15 scores 36 points higher (86/100 vs 50/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 55/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 41/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 24/100). In the "performance" category, the OnePlus 15 significantly outperforms the Redmi K20 Pro Premium (97/100 vs 55/100). In the "display" category, the OnePlus 15 and the Redmi K20 Pro Premium are nearly equal (84/100 vs 83/100). In the "camera" category, the OnePlus 15 significantly outperforms the Redmi K20 Pro Premium (78/100 vs 41/100). In the "battery" category, the OnePlus 15 significantly outperforms the Redmi K20 Pro Premium (89/100 vs 24/100). In the "portability" category, the Redmi K20 Pro Premium is a bit better (56/100 vs 50/100).

OnePlus 15: The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification	OnePlus 15	Redmi K20 Pro Premium
Processor	Qualcomm Snapdragon 8 Elite Gen 5	Qualcomm Snapdragon 855+
AnTuTu	3606149	859084
Geekbench Single	3639	1031
Geekbench Multi	11047	2864
Display	6.8" AMOLED	6.4" Super AMOLED
Resolution	1272x2772	1080x2340
Refresh rate	120 Hz	—
Battery	6500 mAh	4000 mAh
Charging	120W	27W
Wireless charging	50W	0W
Main camera	50 MP	48 MP
Ultrawide	50 MP	13 MP
Telephoto	50 MP	8 MP
Front camera	32 MP	20 MP
RAM	12GB / 16GB	8GB / 12GB
Storage	256GB / 512GB	128GB / 512GB
OS	Android 16, OxygenOS 16 (Global), ColorOS 16 (China)	Android 10; MIUI 11
Brightness (peak)	1800 nits	—
NFC	yes	yes
Protection	IP68	—
Dimensions	161.4×76.7×8.1 mm	156.7×74.3×8.8 mm
Weight	213 g	191 g
Launch price	$799	—