Samsung Galaxy S25 Ultra vs Vivo iQOO 15

The Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $1299 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 88/100 vs 80/100 (a 8-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 5000); the main camera is 200 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,950,082 vs 3,128,552).

The Vivo iQOO 15 edges out the Samsung Galaxy S25 Ultra by just 8 points — the two devices are very close in overall level.

Profile comparison

Category scores

Samsung Galaxy S25 Ultra

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

Vivo iQOO 15

Performance 98
Display 99
Camera 78
Battery 85
Portability 48
Value for money 90

What makes Samsung Galaxy S25 Ultra better?

  • Better main camera: 200MP vs 50MP

  • Better camera (81/100 vs 78/100)

What makes Vivo iQOO 15 better?

  • Higher AnTuTu: 3950082 vs 3128552
  • Better Geekbench Single: 3639 vs 3100
  • Better Geekbench Multi: 11047 vs 9760
  • Bigger battery: 7000 vs 5000 mAh
  • Faster charging: 100W vs 45W
  • Higher refresh rate: 144Hz vs 120Hz
  • Faster wireless charging: 40W vs 15W
  • Lighter: 215g vs 218g
  • Cheaper at launch: $599 vs $1299

  • Higher performance (98/100 vs 92/100)
  • Longer battery life (85/100 vs 56/100)
  • Better display (99/100 vs 88/100)
  • Better portability (48/100 vs 46/100)

Comparison verdict

Comparing the Samsung Galaxy S25 Ultra vs the Vivo iQOO 15, the Vivo iQOO 15 scores 8 points higher (88/100 vs 80/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 56/100). Value score: Samsung Galaxy S25 Ultra — 70/100, Vivo iQOO 15 — 90/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo iQOO 15 is a bit better (98/100 vs 92/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 88/100). In the "camera" category, the Samsung Galaxy S25 Ultra and the Vivo iQOO 15 are nearly equal (81/100 vs 78/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy S25 Ultra (85/100 vs 56/100). In the "portability" category, the Vivo iQOO 15 and the Samsung Galaxy S25 Ultra are nearly equal (48/100 vs 46/100).

Samsung Galaxy S25 Ultra: The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts.
Vivo iQOO 15: The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Samsung Galaxy S25 Ultra Vivo iQOO 15
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 3128552 3950082
Geekbench Single 3100 3639
Geekbench Multi 9760 11047
Display 6.9" Dynamic AMOLED 2X 6.8" LTPO AMOLED
Resolution 3120x1440 1440x3168
Refresh rate 120 Hz 144 Hz
Battery 5000 mAh 7000 mAh
Charging 45W 100W
Wireless charging 15W 40W
DXOMark (camera) 151 —
Main camera 200 MP 50 MP
Ultrawide 50 MP 50 MP
Telephoto 50 MP 50 MP
Front camera 12 MP 32 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB / 1TB
OS Android 15 / One UI 7 Android 16
Brightness (peak) 2600 nits 6000 nits
NFC yes yes
Protection IP68 IP68
Dimensions 162.8×77.6×8.2 mm 163.7×76.8×8.1 mm
Weight 218 g 215 g
Launch price $1299 $599

Camera comparison

Samsung Galaxy S25 Ultra

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

Vivo iQOO 15

  • Main: 50MP f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Display comparison

Samsung Galaxy S25 Ultra

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

Vivo iQOO 15

  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display

Battery and charging

Samsung Galaxy S25 Ultra

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

Vivo iQOO 15

  • 7000 mAh
  • NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
  • Wired: 100W
  • Wireless: 40W
85
battery

Overall performance score

We compared Samsung Galaxy S25 Ultra and Vivo iQOO 15, covering their specs and all relevant benchmarks.

Samsung Galaxy S25 Ultra Qualcomm Snapdragon 8 Elite
80/100
3128552 AnTuTu
Vivo iQOO 15 Qualcomm Snapdragon 8 Elite Gen 5
88/100 +20.8%
3950082 AnTuTu

Vivo iQOO 15 leads Samsung Galaxy S25 Ultra by 20.8% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Samsung Galaxy S25 Ultra

$1299

Vivo iQOO 15

$599

Launch price difference: $700. Vivo iQOO 15 was $700 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 is a bit better (98/100 vs 92/100).

display

In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 88/100).

camera

In the "camera" category, the Samsung Galaxy S25 Ultra and the Vivo iQOO 15 are nearly equal (81/100 vs 78/100).

battery

In the "battery" category, the Vivo iQOO 15 notably outperforms the Samsung Galaxy S25 Ultra (85/100 vs 56/100).

portability

In the "portability" category, the Vivo iQOO 15 and the Samsung Galaxy S25 Ultra are nearly equal (48/100 vs 46/100).

Frequently asked questions

Which is better: the Samsung Galaxy S25 Ultra or the Vivo iQOO 15?

The Vivo iQOO 15 edges out the Samsung Galaxy S25 Ultra by just 8 points — the two devices are very close in overall level.

What is the rating of the Samsung Galaxy S25 Ultra and the Vivo iQOO 15?

The Samsung Galaxy S25 Ultra has a MobileRank rating of 80/100, the Vivo iQOO 15 — 88/100.

Which is more powerful: the Samsung Galaxy S25 Ultra or the Vivo iQOO 15?

The Vivo iQOO 15 leads on performance (98/100 vs 92/100).

Should you choose the Samsung Galaxy S25 Ultra over the Vivo iQOO 15?

The Samsung Galaxy S25 Ultra is a better fit for gamers and power users, mobile photography enthusiasts. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.