OnePlus 15T vs Xiaomi Mi Mix Alpha

The OnePlus 15T (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi Mi Mix Alpha (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the OnePlus 15T leads — 80/100 vs 18/100 (a 62-point difference). Key differences: the OnePlus 15T has the bigger battery (6400 mAh vs 4050); the main camera is 50 MP vs 108 MP; the OnePlus 15T is faster in AnTuTu (3,676,955 vs 859,084); the OnePlus 15T has NFC for contactless payments, the Xiaomi Mi Mix Alpha doesn't; the OnePlus 15T is noticeably lighter (206g vs 241g).

The OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha by 62 points (80/100 vs 18/100).
Profile comparison
Category scores
OnePlus 15T
Performance 88
Display 100
Camera 74
Battery 76
Design 42
Value for money 55
Xiaomi Mi Mix Alpha
Performance 2
Display 0
Camera 48
Battery 18
Design 0
Value for money 55
What makes OnePlus 15T better?
  • Higher AnTuTu: 3676955 vs 859084
  • Better Geekbench Single: 3640 vs 1031
  • Better Geekbench Multi: 11033 vs 2864
  • Bigger battery: 6400 vs 4050 mAh
  • Faster charging: 100W vs 40W
  • Lighter: 206g vs 241g

  • Higher performance (88/100 vs 2/100)
  • Better camera (74/100 vs 48/100)
  • Longer battery life (76/100 vs 18/100)
  • Better display (100/100 vs 0/100)
  • Better design/ergonomics (42/100 vs 0/100)
What makes Xiaomi Mi Mix Alpha better?
  • Better main camera: 108MP vs 50MP

  • Overall rating 18/100
Comparison verdict

Comparing the OnePlus 15T vs the Xiaomi Mi Mix Alpha, the OnePlus 15T scores 62 points higher (80/100 vs 18/100). In the "performance" category, the OnePlus 15T leads (88/100 vs 2/100). In the "camera" category, the OnePlus 15T leads (74/100 vs 48/100). In the "battery" category, the OnePlus 15T leads (76/100 vs 18/100). In the "performance" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (88/100 vs 2/100). In the "display" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (100/100 vs 0/100). In the "camera" category, the OnePlus 15T notably outperforms the Xiaomi Mi Mix Alpha (74/100 vs 48/100). In the "battery" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (76/100 vs 18/100). In the "design" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (42/100 vs 0/100). In the "value for money" category, both devices are on the same level — 55/100.

OnePlus 15T: The OnePlus 15T is a better fit for gamers and power users, those who care about battery life.
Xiaomi Mi Mix Alpha: The Xiaomi Mi Mix Alpha is a better fit for everyday use.
Specs comparison
Specification OnePlus 15T Xiaomi Mi Mix Alpha
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 855+
AnTuTu 3676955 859084
Geekbench Single 3640 1031
Geekbench Multi 11033 2864
Display 6.8" LTPO AMOLED 7.9" Flexible Super AMOLED
Resolution 3168x1440 2088x2250
Refresh rate 120 Hz
Battery 6400 mAh 4050 mAh
Charging 100W 40W
Wireless charging 50W 0W
Main camera 50 MP 108 MP
Ultrawide 50 MP 20 MP
Telephoto 50 MP 12 MP
Front camera 32 MP
RAM 12GB / 16GB 12GB
Storage 256GB / 512GB 512GB
OS Android 16 Android 10
Brightness (peak) 3600 nits
NFC yes no
Protection IP68
Dimensions 150.6×71.8×8.4 mm 154.4×72.3×10.4 mm
Weight 206 g 241 g
Price $799
Camera comparison
OnePlus 15T
  • Main: 50MP f/1.6
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
74
camera
Xiaomi Mi Mix Alpha
  • Main: 108MP f/f/1.7
  • Ultrawide: 20MP
  • Telephoto: 12MP
  • Front: —
48
camera
Display comparison
OnePlus 15T
  • 6.8" LTPO AMOLED
  • Resolution: 3168x1440
  • Refresh rate: 120 Hz
100
display
Xiaomi Mi Mix Alpha
  • 7.9" Flexible Super AMOLED
  • Resolution: 2088x2250
  • Refresh rate: —
0
display
Battery and charging
OnePlus 15T
  • 6400 mAh
  • Wired: 100W
  • Wireless: 50W
76
battery
Xiaomi Mi Mix Alpha
  • 4050 mAh
  • Wired: 40W
  • No wireless charging
18
battery
Overall performance score

We compared OnePlus 15T and Xiaomi Mi Mix Alpha, covering their specs and all relevant benchmarks.

OnePlus 15T Qualcomm Snapdragon 8 Elite Gen 5
80/100
3676955 AnTuTu
Xiaomi Mi Mix Alpha Qualcomm Snapdragon 855+
18/100 -328.0%
859084 AnTuTu

OnePlus 15T leads Xiaomi Mi Mix Alpha by 328.0% in our overall performance rating.

Benchmarks
Price and availability
OnePlus 15T
$799
Xiaomi Mi Mix Alpha
Price unknown
Detailed category analysis
performance

In the "performance" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (88/100 vs 2/100).

display

In the "display" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (100/100 vs 0/100).

camera

In the "camera" category, the OnePlus 15T notably outperforms the Xiaomi Mi Mix Alpha (74/100 vs 48/100).

battery

In the "battery" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (76/100 vs 18/100).

design

In the "design" category, the OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha (42/100 vs 0/100).

value for money

In the "value for money" category, both devices are on the same level — 55/100.

Frequently asked questions
Which is better: the OnePlus 15T or the Xiaomi Mi Mix Alpha?

The OnePlus 15T significantly outperforms the Xiaomi Mi Mix Alpha by 62 points (80/100 vs 18/100).

What is the rating of the OnePlus 15T and the Xiaomi Mi Mix Alpha?

The OnePlus 15T has a MobileRank rating of 80/100, the Xiaomi Mi Mix Alpha — 18/100.

Which has the better camera: the OnePlus 15T or the Xiaomi Mi Mix Alpha?

The OnePlus 15T leads on camera score (74/100 vs 48/100).

Which is more powerful: the OnePlus 15T or the Xiaomi Mi Mix Alpha?

The OnePlus 15T leads on performance (88/100 vs 2/100).

Should you choose the OnePlus 15T over the Xiaomi Mi Mix Alpha?

The OnePlus 15T is a better fit for gamers and power users, those who care about battery life. The Xiaomi Mi Mix Alpha is a better fit for everyday use.