Poco M8s vs Vivo iQOO 15 Ultra

The Poco M8s (2026) runs on the Qualcomm Snapdragon 6s Gen 3, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $189 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 51/100 (a 38-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 7000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 617,626).

The Vivo iQOO 15 Ultra significantly outperforms the Poco M8s by 38 points (89/100 vs 51/100).

Profile comparison

Category scores

Poco M8s

Performance 48
Display 88
Camera 30
Battery 58
Portability 44
Value for money 66

Vivo iQOO 15 Ultra

Performance 99
Display 99
Camera 78
Battery 92
Portability 35
Value for money 92

What makes Poco M8s better?

  • Lighter: 217g vs 227g
  • Cheaper at launch: $189 vs $799

  • Better portability (44/100 vs 35/100)

What makes Vivo iQOO 15 Ultra better?

  • Higher AnTuTu: 4602290 vs 617626
  • Better Geekbench Single: 3639 vs 938
  • Better Geekbench Multi: 11047 vs 2183
  • Bigger battery: 7400 vs 7000 mAh
  • Faster charging: 120W vs 33W

  • Higher performance (99/100 vs 48/100)
  • Better camera (78/100 vs 30/100)
  • Longer battery life (92/100 vs 58/100)
  • Better display (99/100 vs 88/100)

Comparison verdict

Comparing the Poco M8s vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 38 points higher (89/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 48/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 58/100). Value score: Poco M8s — 66/100, Vivo iQOO 15 Ultra — 92/100; 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 Ultra significantly outperforms the Poco M8s (99/100 vs 48/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 88/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8s (78/100 vs 30/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8s (92/100 vs 58/100). In the "portability" category, the Poco M8s is a bit better (44/100 vs 35/100).

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

Specs comparison

Specification Poco M8s Vivo iQOO 15 Ultra
Processor Qualcomm Snapdragon 6s Gen 3 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 617626 4602290
Geekbench Single 938 3639
Geekbench Multi 2183 11047
Display 6.9" AMOLED 6.8" LTPO AMOLED
Resolution 1080x2392 1440x3168
Refresh rate 144 Hz 144 Hz
Battery 7000 mAh 7400 mAh
Charging 33W 120W
Wireless charging 0W 50W
Main camera 50 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 8 MP 32 MP
RAM 6GB / 8GB 12GB / 16GB / 24GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 15, HyperOS 2 Android 16
Brightness (peak) 850 nits 8000 nits
NFC yes yes
Protection IP64 IP68
Dimensions 169.4×80.4×8.4 mm 163.7×76.8×8.7 mm
Weight 217 g 227 g
Launch price $189 $799

Camera comparison

Poco M8s

  • Main: 50MP f/1.8
  • Front: 8MP
30
camera

Vivo iQOO 15 Ultra

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

Display comparison

Poco M8s

  • 6.9" AMOLED
  • Resolution: 1080x2392
  • Refresh rate: 144 Hz
88
display

Vivo iQOO 15 Ultra

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

Battery and charging

Poco M8s

  • 7000 mAh
  • Wired: 33W
  • No wireless charging
58
battery

Vivo iQOO 15 Ultra

  • 7400 mAh
  • Wired: 120W
  • Wireless: 50W
92
battery

Overall performance score

We compared Poco M8s and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.

Poco M8s Qualcomm Snapdragon 6s Gen 3
51/100
617626 AnTuTu
Vivo iQOO 15 Ultra Qualcomm Snapdragon 8 Elite Gen 5
89/100 +86.6%
4602290 AnTuTu

Vivo iQOO 15 Ultra leads Poco M8s by 86.6% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Poco M8s

$189

Vivo iQOO 15 Ultra

$799

Launch price difference: $610. Poco M8s was $610 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8s (99/100 vs 48/100).

display

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

camera

In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8s (78/100 vs 30/100).

battery

In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Poco M8s (92/100 vs 58/100).

portability

In the "portability" category, the Poco M8s is a bit better (44/100 vs 35/100).

Frequently asked questions

Which is better: the Poco M8s or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra significantly outperforms the Poco M8s by 38 points (89/100 vs 51/100).

What is the rating of the Poco M8s and the Vivo iQOO 15 Ultra?

The Poco M8s has a MobileRank rating of 51/100, the Vivo iQOO 15 Ultra — 89/100.

Which has the better camera: the Poco M8s or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 30/100).

Which is more powerful: the Poco M8s or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on performance (99/100 vs 48/100).

Should you choose the Poco M8s over the Vivo iQOO 15 Ultra?

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