Tecno Spark 40c vs Vivo iQOO 15T

The Tecno Spark 40c (2025) runs on the Helio G81, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; launch prices were $102 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 33/100 (a 49-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 6000); the main camera is 13 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (4,704,310 vs 358,608); the Vivo iQOO 15T has NFC for contactless payments, the Tecno Spark 40c doesn't.

The Vivo iQOO 15T significantly outperforms the Tecno Spark 40c by 49 points (82/100 vs 33/100).

Profile comparison

Category scores

Tecno Spark 40c

Performance 30
Display 55
Camera 10
Battery 51
Portability 48
Value for money 54

Vivo iQOO 15T

Performance 97
Display 99
Camera 65
Battery 75
Portability 44
Value for money 86

What makes Tecno Spark 40c better?

  • Cheaper at launch: $102 vs $499

  • Better portability (48/100 vs 44/100)

What makes Vivo iQOO 15T better?

  • Higher AnTuTu: 4704310 vs 358608
  • Better Geekbench Single: 3293 vs 432
  • Better Geekbench Multi: 10243 vs 1416
  • Bigger battery: 8000 vs 6000 mAh
  • Faster charging: 100W vs 18W
  • Better main camera: 200MP vs 13MP
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (97/100 vs 30/100)
  • Better camera (65/100 vs 10/100)
  • Longer battery life (75/100 vs 51/100)
  • Better display (99/100 vs 55/100)

Comparison verdict

Comparing the Tecno Spark 40c vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 49 points higher (82/100 vs 33/100). In the "performance" category, the Vivo iQOO 15T leads (97/100 vs 30/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 51/100). Value score: Tecno Spark 40c — 54/100, Vivo iQOO 15T — 86/100; 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 15T significantly outperforms the Tecno Spark 40c (97/100 vs 30/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Tecno Spark 40c (99/100 vs 55/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Tecno Spark 40c (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T notably outperforms the Tecno Spark 40c (75/100 vs 51/100). In the "portability" category, the Tecno Spark 40c and the Vivo iQOO 15T are nearly equal (48/100 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.

Specs comparison

Specification Tecno Spark 40c Vivo iQOO 15T
Processor Helio G81 MediaTek Dimensity 9500
AnTuTu 358608 4704310
Geekbench Single 432 3293
Geekbench Multi 1416 10243
Display 6.7" IPS LCD 6.8" LTPO AMOLED
Resolution 720x1600 1440x3168
Refresh rate 120 Hz 144 Hz
Battery 6000 mAh 8000 mAh
Charging 18W 100W
Main camera 13 MP 200 MP
Ultrawide 0 MP 50 MP
Front camera 8 MP 16 MP
RAM 4GB / 6GB / 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 15 Android 16
NFC no yes
Protection IP64 IP68
Dimensions 165.6×77.0×8.4 mm —
Weight — 216 g
Launch price $102 $499

Camera comparison

Tecno Spark 40c

  • Main: 13MP f/1.8
  • Front: 8MP
10
camera

Vivo iQOO 15T

  • Main: 200MP f/1.8
  • Ultrawide: 50MP
  • Front: 16MP
65
camera

Display comparison

Tecno Spark 40c

  • 6.7" IPS LCD
  • Resolution: 720x1600
  • Refresh rate: 120 Hz
55
display

Vivo iQOO 15T

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

Battery and charging

Tecno Spark 40c

  • 6000 mAh
  • Wired: 18W
  • No wireless charging
51
battery

Vivo iQOO 15T

  • 8000 mAh
  • Wired: 100W
  • No wireless charging
75
battery

Overall performance score

We compared Tecno Spark 40c and Vivo iQOO 15T, covering their specs and all relevant benchmarks.

Tecno Spark 40c Helio G81
33/100
358608 AnTuTu
Vivo iQOO 15T MediaTek Dimensity 9500
82/100 +92.4%
4704310 AnTuTu

Vivo iQOO 15T leads Tecno Spark 40c by 92.4% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Tecno Spark 40c

$102

Vivo iQOO 15T

$499

Launch price difference: $397. Tecno Spark 40c was $397 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15T significantly outperforms the Tecno Spark 40c (97/100 vs 30/100).

display

In the "display" category, the Vivo iQOO 15T significantly outperforms the Tecno Spark 40c (99/100 vs 55/100).

camera

In the "camera" category, the Vivo iQOO 15T significantly outperforms the Tecno Spark 40c (65/100 vs 10/100).

battery

In the "battery" category, the Vivo iQOO 15T notably outperforms the Tecno Spark 40c (75/100 vs 51/100).

portability

In the "portability" category, the Tecno Spark 40c and the Vivo iQOO 15T are nearly equal (48/100 vs 44/100).

Frequently asked questions

Which is better: the Tecno Spark 40c or the Vivo iQOO 15T?

The Vivo iQOO 15T significantly outperforms the Tecno Spark 40c by 49 points (82/100 vs 33/100).

What is the rating of the Tecno Spark 40c and the Vivo iQOO 15T?

The Tecno Spark 40c has a MobileRank rating of 33/100, the Vivo iQOO 15T — 82/100.

Which has the better camera: the Tecno Spark 40c or the Vivo iQOO 15T?

The Vivo iQOO 15T leads on camera score (65/100 vs 10/100).

Which is more powerful: the Tecno Spark 40c or the Vivo iQOO 15T?

The Vivo iQOO 15T leads on performance (97/100 vs 30/100).

Should you choose the Tecno Spark 40c over the 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.