Oscal Flat 3C Mini vs Vivo iQOO 15 Ultra

The Oscal Flat 3C Mini (2026) runs on the Unisoc SC9863A, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 16/100 (a 73-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 3000); the main camera is 5 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 153,667); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Oscal Flat 3C Mini doesn't; the Oscal Flat 3C Mini is noticeably lighter (158g vs 227g).

The Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini by 73 points (89/100 vs 16/100).

Profile comparison

Category scores

Oscal Flat 3C Mini

Performance 9
Display 31
Camera 10
Battery 12
Portability 68
Value for money —

Vivo iQOO 15 Ultra

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

What makes Oscal Flat 3C Mini better?

  • Lighter: 158g vs 227g

  • Better portability (68/100 vs 35/100)

What makes Vivo iQOO 15 Ultra better?

  • Higher AnTuTu: 4602290 vs 153667
  • Better Geekbench Single: 3639 vs 205
  • Better Geekbench Multi: 11047 vs 846
  • Bigger battery: 7400 vs 3000 mAh
  • Faster charging: 120W vs 10W
  • Better main camera: 50MP vs 5MP
  • Higher refresh rate: 144Hz vs 60Hz

  • Higher performance (99/100 vs 9/100)
  • Better camera (78/100 vs 10/100)
  • Longer battery life (92/100 vs 12/100)
  • Better display (99/100 vs 31/100)

Comparison verdict

Comparing the Oscal Flat 3C Mini vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 73 points higher (89/100 vs 16/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 9/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 12/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (99/100 vs 9/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (99/100 vs 31/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (92/100 vs 12/100). In the "portability" category, the Oscal Flat 3C Mini significantly outperforms the Vivo iQOO 15 Ultra (68/100 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 Oscal Flat 3C Mini Vivo iQOO 15 Ultra
Processor Unisoc SC9863A Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 153667 4602290
Geekbench Single 205 3639
Geekbench Multi 846 11047
Display 5.0" IPS LCD 6.8" LTPO AMOLED
Resolution 480x854 1440x3168
Refresh rate 60 Hz 144 Hz
Battery 3000 mAh 7400 mAh
Charging 10W 120W
Wireless charging 0W 50W
Main camera 5 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 2 MP 32 MP
RAM 3GB 12GB / 16GB / 24GB
Storage 32GB 256GB / 512GB / 1TB
OS Android 16 Go Android 16
Brightness (peak) — 8000 nits
NFC no yes
Protection — IP68
Dimensions 135.6×70.2×11.1 mm 163.7×76.8×8.7 mm
Weight 158 g 227 g
Launch price — $799

Camera comparison

Oscal Flat 3C Mini

  • Main: 5MP
  • Front: 2MP
10
camera

Vivo iQOO 15 Ultra

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

Display comparison

Oscal Flat 3C Mini

  • 5.0" IPS LCD
  • Resolution: 480x854
  • Refresh rate: 60 Hz
31
display

Vivo iQOO 15 Ultra

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

Battery and charging

Oscal Flat 3C Mini

  • 3000 mAh
  • Wired: 10W
  • No wireless charging
12
battery

Vivo iQOO 15 Ultra

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

Overall performance score

We compared Oscal Flat 3C Mini and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.

Oscal Flat 3C Mini Unisoc SC9863A
16/100
153667 AnTuTu
Vivo iQOO 15 Ultra Qualcomm Snapdragon 8 Elite Gen 5
89/100 +96.7%
4602290 AnTuTu

Vivo iQOO 15 Ultra leads Oscal Flat 3C Mini by 96.7% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Oscal Flat 3C Mini

Price unknown

Vivo iQOO 15 Ultra

$799

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (99/100 vs 9/100).

display

In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (99/100 vs 31/100).

camera

In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (78/100 vs 10/100).

battery

In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini (92/100 vs 12/100).

portability

In the "portability" category, the Oscal Flat 3C Mini significantly outperforms the Vivo iQOO 15 Ultra (68/100 vs 35/100).

Frequently asked questions

Which is better: the Oscal Flat 3C Mini or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra significantly outperforms the Oscal Flat 3C Mini by 73 points (89/100 vs 16/100).

What is the rating of the Oscal Flat 3C Mini and the Vivo iQOO 15 Ultra?

The Oscal Flat 3C Mini has a MobileRank rating of 16/100, the Vivo iQOO 15 Ultra — 89/100.

Which has the better camera: the Oscal Flat 3C Mini or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).

Which is more powerful: the Oscal Flat 3C Mini or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on performance (99/100 vs 9/100).

Should you choose the Oscal Flat 3C Mini 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.