Redmi Note 15 Special vs Samsung Galaxy S25 Ultra

The Redmi Note 15 Special (2026) runs on the Qualcomm Snapdragon 6 Gen 3, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Samsung Galaxy S25 Ultra leads — 80/100 vs 54/100 (a 26-point difference). Key differences: the Redmi Note 15 Special has the bigger battery (5800 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy S25 Ultra is faster in AnTuTu (3,128,552 vs 840,353); the Samsung Galaxy S25 Ultra has NFC for contactless payments, the Redmi Note 15 Special doesn't; the Redmi Note 15 Special is noticeably lighter (178g vs 218g).

The Samsung Galaxy S25 Ultra significantly outperforms the Redmi Note 15 Special by 26 points (80/100 vs 54/100).

Profile comparison

Category scores

Redmi Note 15 Special

Performance 55
Display 79
Camera 34
Battery 55
Portability 79
Value for money —

Samsung Galaxy S25 Ultra

Performance 92
Display 88
Camera 81
Battery 56
Portability 46
Value for money 70

What makes Redmi Note 15 Special better?

  • Bigger battery: 5800 vs 5000 mAh
  • Lighter: 178g vs 218g

  • Better portability (79/100 vs 46/100)

What makes Samsung Galaxy S25 Ultra better?

  • Higher AnTuTu: 3128552 vs 840353
  • Better Geekbench Single: 3100 vs 1013
  • Better Geekbench Multi: 9760 vs 3000
  • Better main camera: 200MP vs 50MP

  • Higher performance (92/100 vs 55/100)
  • Better camera (81/100 vs 34/100)
  • Longer battery life (56/100 vs 55/100)
  • Better display (88/100 vs 79/100)

Comparison verdict

Comparing the Redmi Note 15 Special vs the Samsung Galaxy S25 Ultra, the Samsung Galaxy S25 Ultra scores 26 points higher (80/100 vs 54/100). In the "performance" category, the Samsung Galaxy S25 Ultra leads (92/100 vs 55/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 34/100). In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi Note 15 Special (92/100 vs 55/100). In the "display" category, the Samsung Galaxy S25 Ultra is a bit better (88/100 vs 79/100). In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi Note 15 Special (81/100 vs 34/100). In the "battery" category, the Samsung Galaxy S25 Ultra and the Redmi Note 15 Special are nearly equal (56/100 vs 55/100). In the "portability" category, the Redmi Note 15 Special significantly outperforms the Samsung Galaxy S25 Ultra (79/100 vs 46/100).

Samsung Galaxy S25 Ultra: The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.

Specs comparison

Specification Redmi Note 15 Special Samsung Galaxy S25 Ultra
Processor Qualcomm Snapdragon 6 Gen 3 Qualcomm Snapdragon 8 Elite
AnTuTu 840353 3128552
Geekbench Single 1013 3100
Geekbench Multi 3000 9760
Display 6.8" AMOLED 6.9" Dynamic AMOLED 2X
Resolution 1080x2392 3120x1440
Refresh rate 120 Hz 120 Hz
Battery 5800 mAh 5000 mAh
Charging 45W 45W
Wireless charging 0W 15W
DXOMark (camera) — 151
Main camera 50 MP 200 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 12 MP
RAM 6GB / 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 15, up to 4 major Android upgrades, HyperOS 3 Android 15 / One UI 7
Brightness (peak) 3200 nits 2600 nits
NFC no yes
Protection IP66 IP68
Dimensions 164.0×75.4×7.4 mm 162.8×77.6×8.2 mm
Weight 178 g 218 g
Launch price — $1299

Camera comparison

Redmi Note 15 Special

  • Main: 50MP f/1.8
  • Front: 20MP
34
camera

Samsung Galaxy S25 Ultra

  • Main: 200MP f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 12MP
81
camera

Display comparison

Redmi Note 15 Special

  • 6.8" AMOLED
  • Resolution: 1080x2392
  • Refresh rate: 120 Hz
79
display

Samsung Galaxy S25 Ultra

  • 6.9" Dynamic AMOLED 2X
  • Resolution: 3120x1440
  • Refresh rate: 120 Hz
88
display

Battery and charging

Redmi Note 15 Special

  • 5800 mAh
  • Wired: 45W
  • No wireless charging
55
battery

Samsung Galaxy S25 Ultra

  • 5000 mAh
  • NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
  • Wired: 45W
  • Wireless: 15W
56
battery

Overall performance score

We compared Redmi Note 15 Special and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.

Redmi Note 15 Special Qualcomm Snapdragon 6 Gen 3
54/100
840353 AnTuTu
Samsung Galaxy S25 Ultra Qualcomm Snapdragon 8 Elite
80/100 +73.1%
3128552 AnTuTu

Samsung Galaxy S25 Ultra leads Redmi Note 15 Special by 73.1% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi Note 15 Special

Price unknown

Samsung Galaxy S25 Ultra

$1299

Detailed category analysis

performance

In the "performance" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi Note 15 Special (92/100 vs 55/100).

display

In the "display" category, the Samsung Galaxy S25 Ultra is a bit better (88/100 vs 79/100).

camera

In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi Note 15 Special (81/100 vs 34/100).

battery

In the "battery" category, the Samsung Galaxy S25 Ultra and the Redmi Note 15 Special are nearly equal (56/100 vs 55/100).

portability

In the "portability" category, the Redmi Note 15 Special significantly outperforms the Samsung Galaxy S25 Ultra (79/100 vs 46/100).

Frequently asked questions

Which is better: the Redmi Note 15 Special or the Samsung Galaxy S25 Ultra?

The Samsung Galaxy S25 Ultra significantly outperforms the Redmi Note 15 Special by 26 points (80/100 vs 54/100).

What is the rating of the Redmi Note 15 Special and the Samsung Galaxy S25 Ultra?

The Redmi Note 15 Special has a MobileRank rating of 54/100, the Samsung Galaxy S25 Ultra — 80/100.

Which has the better camera: the Redmi Note 15 Special or the Samsung Galaxy S25 Ultra?

The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 34/100).

Which is more powerful: the Redmi Note 15 Special or the Samsung Galaxy S25 Ultra?

The Samsung Galaxy S25 Ultra leads on performance (92/100 vs 55/100).

Should you choose the Redmi Note 15 Special over the Samsung Galaxy S25 Ultra?

The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.