OPPO
A5x vs C75
Device summary
realme
C75
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2024 |
| Starting price | — | — |
| Display size | 6.7-inch | — |
| Dimensions | 76.2 mm × 165.7 mm × 8.0 mm | 76.2 mm × 165.7 mm × 8.0 mm |
| Weight | 194 g | 196 g |
| Front material | — | — |
| Back material | — | — |
| Display | ||
| Resolution | 1604 × 720 | — |
| Refresh rate | 120 Hz | — |
| Peak brightness | 1000 nits | — |
| Performance | ||
| Chipset | MediaTek Dimensity 6300 | — |
| RAM | 4 GB, 6 GB | — |
| Storage | 64 GB, 128 GB | — |
| Cameras | ||
| Main camera | Wide · 32 MP · ƒ/1.8 | — |
| Front cameras | Front · 5 MP · ƒ/2.2 | — |
| Battery & charging | ||
| Typical capacity | 6000 mAh | — |
| Rated capacity | 5860 mAh | — |
| Wired charging | 45 W | — |
| Charging standard | SUPERVOOC; VOOC; PPS; PD | — |
| Connectivity | ||
| Cellular | 5G, LTE | — |
| Wi‑Fi | Wi‑Fi 5 | — |
| Bluetooth | Bluetooth 5.4 | — |
| USB | USB Type‑C | — |
| Build & durability | ||
| Ingress protection | IP65 | — |
Basic information
Release year
- A5x
- 2025
- C75
- 2024
Starting price
- A5x
- —
- C75
- —
Display size
- A5x
- 6.7-inch
- C75
- —
Dimensions
- A5x
- 76.2 mm × 165.7 mm × 8.0 mm
- C75
- 76.2 mm × 165.7 mm × 8.0 mm
Weight
- A5x
- 194 g
- C75
- 196 g
Front material
- A5x
- —
- C75
- —
Back material
- A5x
- —
- C75
- —
Display
Resolution
- A5x
- 1604 × 720
- C75
- —
Refresh rate
- A5x
- 120 Hz
- C75
- —
Peak brightness
- A5x
- 1000 nits
- C75
- —
Performance
Chipset
- A5x
- MediaTek Dimensity 6300
- C75
- —
RAM
- A5x
- 4 GB, 6 GB
- C75
- —
Storage
- A5x
- 64 GB, 128 GB
- C75
- —
Cameras
Main camera
- A5x
- Wide · 32 MP · ƒ/1.8
- C75
- —
Front cameras
- A5x
- Front · 5 MP · ƒ/2.2
- C75
- —
Battery & charging
Typical capacity
- A5x
- 6000 mAh
- C75
- —
Rated capacity
- A5x
- 5860 mAh
- C75
- —
Wired charging
- A5x
- 45 W
- C75
- —
Charging standard
- A5x
- SUPERVOOC; VOOC; PPS; PD
- C75
- —
Connectivity
Cellular
- A5x
- 5G, LTE
- C75
- —
Wi‑Fi
- A5x
- Wi‑Fi 5
- C75
- —
Bluetooth
- A5x
- Bluetooth 5.4
- C75
- —
USB
- A5x
- USB Type‑C
- C75
- —
Build & durability
Ingress protection
- A5x
- IP65
- C75
- —
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Weight
A5x
2 g lighter · minor difference
Height
Very similar height
Width
Very similar width
Thickness
Very similar thickness
User Experience Summary
A5x
Strengths
- Class-leading 6,000 mAh battery with outstanding endurance-per-rupee in India
- Entry OPPO pricing with 120Hz large display and 5G connectivity
- Adequate daily workflows for WhatsApp, UPI, and YouTube after ColorOS cleanup
Compromises
- HD+ display softness — most cited compromise versus rivals and A5 Pro
- IP65 sealing below A5 Pro for monsoon-focused buyers
- Entry RAM and Dimensity 6300 limit multitasking and gaming
C75
Strengths
- Genuinely rare IP66/IP68/IP69 rugged durability at this price
- Exceptional 1.5-2 day battery life
- Fast 45W charging for the battery capacity
Compromises
- Helio G92 Max is clearly not built for demanding gaming
- Low-light camera performance is limited
- 4G-only connectivity, no 5G support