Vivo iQOO 15T vs Vivo Y78

The Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500, while the Vivo Y78 (2023) runs on the MediaTek Dimensity 7020. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 51/100 (a 31-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 5000); the main camera is 200 MP vs 64 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 639,509); the Vivo Y78 is noticeably lighter (177g vs 216g).

The Vivo iQOO 15T significantly outperforms the Vivo Y78 by 31 points (82/100 vs 51/100).
Profile comparison
Category scores
Vivo iQOO 15T
Performance 95
Display 99
Camera 65
Battery 75
Portability 44
Value for money 90
Vivo Y78
Performance 48
Display 79
Camera 40
Battery 48
Portability 74
Value for money
What makes Vivo iQOO 15T better?
  • Higher AnTuTu: 3815522 vs 639509
  • Better Geekbench Single: 3228 vs 912
  • Better Geekbench Multi: 9553 vs 2244
  • Bigger battery: 8000 vs 5000 mAh
  • Faster charging: 100W vs 44W
  • Better main camera: 200MP vs 64MP
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (95/100 vs 48/100)
  • Better camera (65/100 vs 40/100)
  • Longer battery life (75/100 vs 48/100)
  • Better display (99/100 vs 79/100)
What makes Vivo Y78 better?
  • Lighter: 177g vs 216g

  • Better portability (74/100 vs 44/100)
Comparison verdict

Comparing the Vivo iQOO 15T vs the Vivo Y78, the Vivo iQOO 15T scores 31 points higher (82/100 vs 51/100). In the "performance" category, the Vivo iQOO 15T leads (95/100 vs 48/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 40/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 48/100). In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y78 (95/100 vs 48/100). In the "display" category, the Vivo iQOO 15T notably outperforms the Vivo Y78 (99/100 vs 79/100). In the "camera" category, the Vivo iQOO 15T notably outperforms the Vivo Y78 (65/100 vs 40/100). In the "battery" category, the Vivo iQOO 15T notably outperforms the Vivo Y78 (75/100 vs 48/100). In the "portability" category, the Vivo Y78 significantly outperforms the Vivo iQOO 15T (74/100 vs 44/100).

Vivo iQOO 15T: The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Vivo Y78: The Vivo Y78 is a better fit for everyday use.
Specs comparison
Specification Vivo iQOO 15T Vivo Y78
Processor MediaTek Dimensity 9500 MediaTek Dimensity 7020
AnTuTu 3815522 639509
Geekbench Single 3228 912
Geekbench Multi 9553 2244
Display 6.8" LTPO AMOLED 6.8" AMOLED
Resolution 1440x3168 1080x2400
Refresh rate 144 Hz 120 Hz
Battery 8000 mAh 5000 mAh
Charging 100W 44W
Main camera 200 MP 64 MP
Ultrawide 50 MP 0 MP
Front camera 16 MP 16 MP
RAM 12GB / 16GB 8GB
Storage 256GB / 512GB / 1TB 256GB
OS Android 16 Android 13, Funtouch 13
Brightness (peak) 1300 nits
NFC yes yes
Protection IP68 IP54
Dimensions 164.3×74.8×7.9 mm
Weight 216 g 177 g
Launch price $499
Camera comparison
Vivo iQOO 15T
  • Main: 200MP f/f/1.8
  • Ultrawide: 50MP
  • Front: 16MP
65
camera
Vivo Y78
  • Main: 64MP f/f/1.8
  • Front: 16MP
40
camera
Display comparison
Vivo iQOO 15T
  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display
Vivo Y78
  • 6.8" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
79
display
Battery and charging
Vivo iQOO 15T
  • 8000 mAh
  • Wired: 100W
  • No wireless charging
75
battery
Vivo Y78
  • 5000 mAh
  • Wired: 44W
  • No wireless charging
48
battery
Overall performance score

We compared Vivo iQOO 15T and Vivo Y78, covering their specs and all relevant benchmarks.

Vivo iQOO 15T MediaTek Dimensity 9500
82/100
3815522 AnTuTu
Vivo Y78 MediaTek Dimensity 7020
51/100 -496.6%
639509 AnTuTu

Vivo iQOO 15T leads Vivo Y78 by 496.6% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Vivo iQOO 15T
$499
Vivo Y78
Price unknown
Detailed category analysis
performance

In the "performance" category, the Vivo iQOO 15T significantly outperforms the Vivo Y78 (95/100 vs 48/100).

display

In the "display" category, the Vivo iQOO 15T notably outperforms the Vivo Y78 (99/100 vs 79/100).

camera

In the "camera" category, the Vivo iQOO 15T notably outperforms the Vivo Y78 (65/100 vs 40/100).

battery

In the "battery" category, the Vivo iQOO 15T notably outperforms the Vivo Y78 (75/100 vs 48/100).

portability

In the "portability" category, the Vivo Y78 significantly outperforms the Vivo iQOO 15T (74/100 vs 44/100).

Frequently asked questions
Which is better: the Vivo iQOO 15T or the Vivo Y78?

The Vivo iQOO 15T significantly outperforms the Vivo Y78 by 31 points (82/100 vs 51/100).

What is the rating of the Vivo iQOO 15T and the Vivo Y78?

The Vivo iQOO 15T has a MobileRank rating of 82/100, the Vivo Y78 — 51/100.

Which has the better camera: the Vivo iQOO 15T or the Vivo Y78?

The Vivo iQOO 15T leads on camera score (65/100 vs 40/100).

Which is more powerful: the Vivo iQOO 15T or the Vivo Y78?

The Vivo iQOO 15T leads on performance (95/100 vs 48/100).

Should you choose the Vivo iQOO 15T over the Vivo Y78?

The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo Y78 is a better fit for everyday use.