Redmi K100 vs Samsung Galaxy S23 Ultra

The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S23 Ultra (2023) runs on the Qualcomm Snapdragon 8 Gen 2. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 71/100 (a 2-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Redmi K100 is faster in AnTuTu (3,298,726 vs 1,762,339).

The Redmi K100 edges out the Samsung Galaxy S23 Ultra by just 2 points — the two devices are very close in overall level.

Profile comparison

Category scores

Redmi K100

Performance 92
Display 94
Camera 37
Battery 80
Portability 25
Value for money —

Samsung Galaxy S23 Ultra

Performance 76
Display 88
Camera 73
Battery 56
Portability 29
Value for money 52

What makes Redmi K100 better?

  • Higher AnTuTu: 3298726 vs 1762339
  • Better Geekbench Single: 3013 vs 2004
  • Better Geekbench Multi: 9287 vs 5311
  • Bigger battery: 10000 vs 5000 mAh
  • Faster charging: 100W vs 45W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 76/100)
  • Longer battery life (80/100 vs 56/100)
  • Better display (94/100 vs 88/100)

What makes Samsung Galaxy S23 Ultra better?

  • Better main camera: 200MP vs 50MP

  • Better camera (73/100 vs 37/100)
  • Better portability (29/100 vs 25/100)

Comparison verdict

Comparing the Redmi K100 vs the Samsung Galaxy S23 Ultra, the Redmi K100 scores 2 points higher (73/100 vs 71/100). In the "performance" category, the Redmi K100 leads (92/100 vs 76/100). In the "camera" category, the Samsung Galaxy S23 Ultra leads (73/100 vs 37/100). In the "battery" category, the Redmi K100 leads (80/100 vs 56/100). In the "performance" category, the Redmi K100 notably outperforms the Samsung Galaxy S23 Ultra (92/100 vs 76/100). In the "display" category, the Redmi K100 is a bit better (94/100 vs 88/100). In the "camera" category, the Samsung Galaxy S23 Ultra significantly outperforms the Redmi K100 (73/100 vs 37/100). In the "battery" category, the Redmi K100 notably outperforms the Samsung Galaxy S23 Ultra (80/100 vs 56/100). In the "portability" category, the Samsung Galaxy S23 Ultra and the Redmi K100 are nearly equal (29/100 vs 25/100).

Redmi K100: The Redmi K100 is a better fit for gamers and power users, those who care about battery life.
Samsung Galaxy S23 Ultra: The Samsung Galaxy S23 Ultra is a better fit for active users.

Specs comparison

Specification Redmi K100 Samsung Galaxy S23 Ultra
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 2
AnTuTu 3298726 1762339
Geekbench Single 3013 2004
Geekbench Multi 9287 5311
Display 6.8" AMOLED 6.8" AMOLED
Resolution 1280x2772 1440x3088
Refresh rate 165 Hz 120 Hz
Battery 10000 mAh 5000 mAh
Charging 100W 45W
Wireless charging 0W 15W
DXOMark (camera) — 140
Main camera 50 MP 200 MP
Ultrawide 8 MP 12 MP
Telephoto 0 MP 10 MP
Front camera 20 MP 12 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 17 Android 13, up to 4 major Android upgrades, One UI 8
Brightness (peak) 3500 nits 1750 nits
NFC yes yes
Protection IP68 IP68
Dimensions — 163.4×78.1×8.9 mm
Weight 234 g 234 g
Launch price — $1199

Camera comparison

Redmi K100

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

Samsung Galaxy S23 Ultra

  • Main: 200MP f/1.7
  • Ultrawide: 12MP
  • Telephoto: 10MP
  • Front: 12MP
73
camera

Display comparison

Redmi K100

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display

Samsung Galaxy S23 Ultra

  • 6.8" AMOLED
  • Resolution: 1440x3088
  • Refresh rate: 120 Hz
88
display

Battery and charging

Redmi K100

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

Samsung Galaxy S23 Ultra

  • 5000 mAh
  • Wired: 45W
  • Wireless: 15W
56
battery

Overall performance score

We compared Redmi K100 and Samsung Galaxy S23 Ultra, covering their specs and all relevant benchmarks.

Redmi K100 Qualcomm Snapdragon 8 Elite
73/100
3298726 AnTuTu
Samsung Galaxy S23 Ultra Qualcomm Snapdragon 8 Gen 2
71/100 -87.2%
1762339 AnTuTu

Redmi K100 leads Samsung Galaxy S23 Ultra by 87.2% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K100

Price unknown

Samsung Galaxy S23 Ultra

$1199

Detailed category analysis

performance

In the "performance" category, the Redmi K100 notably outperforms the Samsung Galaxy S23 Ultra (92/100 vs 76/100).

display

In the "display" category, the Redmi K100 is a bit better (94/100 vs 88/100).

camera

In the "camera" category, the Samsung Galaxy S23 Ultra significantly outperforms the Redmi K100 (73/100 vs 37/100).

battery

In the "battery" category, the Redmi K100 notably outperforms the Samsung Galaxy S23 Ultra (80/100 vs 56/100).

portability

In the "portability" category, the Samsung Galaxy S23 Ultra and the Redmi K100 are nearly equal (29/100 vs 25/100).

Frequently asked questions

Which is better: the Redmi K100 or the Samsung Galaxy S23 Ultra?

The Redmi K100 edges out the Samsung Galaxy S23 Ultra by just 2 points — the two devices are very close in overall level.

What is the rating of the Redmi K100 and the Samsung Galaxy S23 Ultra?

The Redmi K100 has a MobileRank rating of 73/100, the Samsung Galaxy S23 Ultra — 71/100.

Which has the better camera: the Redmi K100 or the Samsung Galaxy S23 Ultra?

The Samsung Galaxy S23 Ultra leads on camera score (73/100 vs 37/100).

Which is more powerful: the Redmi K100 or the Samsung Galaxy S23 Ultra?

The Redmi K100 leads on performance (92/100 vs 76/100).

Should you choose the Redmi K100 over the Samsung Galaxy S23 Ultra?

The Redmi K100 is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy S23 Ultra is a better fit for active users.