Poco X8s vs Vivo iQOO 15

The Poco X8s (2026) runs on the Qualcomm Snapdragon 7 Gen 4, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $437 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 88/100 vs 67/100 (a 21-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 6330); the Vivo iQOO 15 is faster in AnTuTu (3,950,082 vs 1,464,882); the Poco X8s is noticeably lighter (187g vs 215g).

The Vivo iQOO 15 significantly outperforms the Poco X8s by 21 points (88/100 vs 67/100).

Profile comparison

Category scores

Poco X8s

Performance 67
Display 85
Camera 58
Battery 69
Portability 65
Value for money 60

Vivo iQOO 15

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

What makes Poco X8s better?

  • Lighter: 187g vs 215g
  • Cheaper at launch: $437 vs $599

  • Better portability (65/100 vs 48/100)

What makes Vivo iQOO 15 better?

  • Higher AnTuTu: 3950082 vs 1464882
  • Better Geekbench Single: 3639 vs 1270
  • Better Geekbench Multi: 11047 vs 4106
  • Bigger battery: 7000 vs 6330 mAh
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (98/100 vs 67/100)
  • Better camera (78/100 vs 58/100)
  • Longer battery life (85/100 vs 69/100)
  • Better display (99/100 vs 85/100)

Comparison verdict

Comparing the Poco X8s vs the Vivo iQOO 15, the Vivo iQOO 15 scores 21 points higher (88/100 vs 67/100). In the "performance" category, the Vivo iQOO 15 leads (98/100 vs 67/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 58/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 69/100). Value score: Poco X8s — 60/100, 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 significantly outperforms the Poco X8s (98/100 vs 67/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 notably outperforms the Poco X8s (78/100 vs 58/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Poco X8s (85/100 vs 69/100). In the "portability" category, the Poco X8s notably outperforms the Vivo iQOO 15 (65/100 vs 48/100).

Poco X8s: The Poco X8s is a better fit for active users.
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 Poco X8s Vivo iQOO 15
Processor Qualcomm Snapdragon 7 Gen 4 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 1464882 3950082
Geekbench Single 1270 3639
Geekbench Multi 4106 11047
Display 6.3" LTPO OLED 6.8" LTPO AMOLED
Resolution 1220x2656 1440x3168
Refresh rate 120 Hz 144 Hz
Battery 6330 mAh 7000 mAh
Charging 100W 100W
Wireless charging 0W 40W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 50 MP 50 MP
Front camera 20 MP 32 MP
RAM 8GB / 12GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 3500 nits 6000 nits
NFC yes yes
Protection IP68 IP68
Dimensions 151.1×71.8×8.1 mm 163.7×76.8×8.1 mm
Weight 187 g 215 g
Launch price $437 $599

Camera comparison

Poco X8s

  • Main: 50MP f/1.8
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera

Vivo iQOO 15

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

Display comparison

Poco X8s

  • 6.3" LTPO OLED
  • Resolution: 1220x2656
  • Refresh rate: 120 Hz
85
display

Vivo iQOO 15

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

Battery and charging

Poco X8s

  • 6330 mAh
  • Wired: 100W
  • No wireless charging
69
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 Poco X8s and Vivo iQOO 15, covering their specs and all relevant benchmarks.

Poco X8s Qualcomm Snapdragon 7 Gen 4
67/100
1464882 AnTuTu
Vivo iQOO 15 Qualcomm Snapdragon 8 Elite Gen 5
88/100 +62.9%
3950082 AnTuTu

Vivo iQOO 15 leads Poco X8s by 62.9% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Poco X8s

$437

Vivo iQOO 15

$599

Launch price difference: $162. Poco X8s was $162 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 significantly outperforms the Poco X8s (98/100 vs 67/100).

display

In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 85/100).

camera

In the "camera" category, the Vivo iQOO 15 notably outperforms the Poco X8s (78/100 vs 58/100).

battery

In the "battery" category, the Vivo iQOO 15 notably outperforms the Poco X8s (85/100 vs 69/100).

portability

In the "portability" category, the Poco X8s notably outperforms the Vivo iQOO 15 (65/100 vs 48/100).

Frequently asked questions

Which is better: the Poco X8s or the Vivo iQOO 15?

The Vivo iQOO 15 significantly outperforms the Poco X8s by 21 points (88/100 vs 67/100).

What is the rating of the Poco X8s and the Vivo iQOO 15?

The Poco X8s has a MobileRank rating of 67/100, the Vivo iQOO 15 — 88/100.

Which has the better camera: the Poco X8s or the Vivo iQOO 15?

The Vivo iQOO 15 leads on camera score (78/100 vs 58/100).

Which is more powerful: the Poco X8s or the Vivo iQOO 15?

The Vivo iQOO 15 leads on performance (98/100 vs 67/100).

Should you choose the Poco X8s over the Vivo iQOO 15?

The Poco X8s is a better fit for active users. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.