Redmi K100 vs Xiaomi 17 Ultra (China)

The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 74/100 (a 13-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 6800); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 3,126,402).

The Xiaomi 17 Ultra (China) is noticeably better than the Redmi K100 — the overall rating gap is 13 points.

Profile comparison

Category scores

Redmi K100

Performance 91
Display 90
Camera 37
Battery 80
Portability —
Value for money —

Xiaomi 17 Ultra (China)

Performance 98
Display 81
Camera 87
Battery 83
Portability 42
Value for money 88

What makes Redmi K100 better?

  • Bigger battery: 10000 vs 6800 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz

  • Better display (90/100 vs 81/100)

What makes Xiaomi 17 Ultra (China) better?

  • Higher AnTuTu: 3950082 vs 3126402
  • Better Geekbench Single: 3639 vs 3013
  • Better Geekbench Multi: 11047 vs 9287

  • Higher performance (98/100 vs 91/100)
  • Better camera (87/100 vs 37/100)
  • Longer battery life (83/100 vs 80/100)

Comparison verdict

Comparing the Redmi K100 vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 13 points higher (87/100 vs 74/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 37/100). In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 91/100). In the "display" category, the Redmi K100 is a bit better (90/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi K100 (87/100 vs 37/100). In the "battery" category, the Xiaomi 17 Ultra (China) and the Redmi K100 are nearly equal (83/100 vs 80/100).

Redmi K100: The Redmi K100 is a better fit for gamers and power users, those who care about battery life.
Xiaomi 17 Ultra (China): The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Redmi K100 Xiaomi 17 Ultra (China)
Processor Qualcomm Snapdragon 8 Elite Snapdragon 8 Elite Gen 5
AnTuTu 3126402 3950082
Geekbench Single 3013 3639
Geekbench Multi 9287 11047
Display 6.8" AMOLED 6.9" LTPO AMOLED
Resolution 1156x2510 1200x2608
Refresh rate 165 Hz 120 Hz
Battery 10000 mAh 6800 mAh
Charging 100W 90W
Wireless charging 0W 50W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 20 MP 50 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 512GB / 1TB
OS Android 17 Android 16
Brightness (peak) 3500 nits —
NFC yes yes
Protection IP68 IP68/IP69
Dimensions — 162.9×77.6×8.3 mm
Weight — 224 g
Launch price — $892

Camera comparison

Redmi K100

  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Xiaomi 17 Ultra (China)

  • Main: 50MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 200MP
  • Front: 50MP
87
camera

Display comparison

Redmi K100

  • 6.8" AMOLED
  • Resolution: 1156x2510
  • Refresh rate: 165 Hz
90
display

Xiaomi 17 Ultra (China)

  • 6.9" LTPO AMOLED
  • Resolution: 1200x2608
  • Refresh rate: 120 Hz
81
display

Battery and charging

Redmi K100

  • 10000 mAh
  • Wired: 100W
  • No wireless charging
80
battery

Xiaomi 17 Ultra (China)

  • 6800 mAh
  • Wired: 90W
  • Wireless: 50W
83
battery

Overall performance score

We compared Redmi K100 and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.

Redmi K100 Qualcomm Snapdragon 8 Elite
74/100
3126402 AnTuTu
Xiaomi 17 Ultra (China) Snapdragon 8 Elite Gen 5
87/100 +20.9%
3950082 AnTuTu

Xiaomi 17 Ultra (China) leads Redmi K100 by 20.9% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K100

Price unknown

Xiaomi 17 Ultra (China)

$892

Detailed category analysis

performance

In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 91/100).

display

In the "display" category, the Redmi K100 is a bit better (90/100 vs 81/100).

camera

In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the Redmi K100 (87/100 vs 37/100).

battery

In the "battery" category, the Xiaomi 17 Ultra (China) and the Redmi K100 are nearly equal (83/100 vs 80/100).

Frequently asked questions

Which is better: the Redmi K100 or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) is noticeably better than the Redmi K100 — the overall rating gap is 13 points.

What is the rating of the Redmi K100 and the Xiaomi 17 Ultra (China)?

The Redmi K100 has a MobileRank rating of 74/100, the Xiaomi 17 Ultra (China) — 87/100.

Which has the better camera: the Redmi K100 or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 37/100).

Which is more powerful: the Redmi K100 or the Xiaomi 17 Ultra (China)?

The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 91/100).

Should you choose the Redmi K100 over the Xiaomi 17 Ultra (China)?

The Redmi K100 is a better fit for gamers and power users, those who care about battery life. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.