Oppo A3x (China)
#1294
Realme C75
#1447Category Breakdown
Oppo A3x (China)
Realme C75
Performance
70.868.5
Camera
43.443.4
Display
79.579.5
Battery
67.567.5
Build
68.868.8
Overall
65.064.3
Summary
- The Oppo A3x and Realme C75 both feature a 6.67-inch IPS LCD display with a 120Hz refresh rate, but the A3x offers a higher peak brightness of 1000 nits compared to the C75's 625 nits.
- Performance-wise, both devices are powered by the Mediatek Dimensity 6300 chipset, but the A3x has more RAM options, reaching up to 512GB of storage and 8GB of RAM.
- In terms of camera capabilities, both have a 32 MP rear camera and 8 MP front camera, with the A3x supporting video recording at 60fps.
- The C75 has a larger 6000mAh battery compared to the A3x's 5100mAh, but both support 45W charging.
- Software-wise, the A3x runs on Android 14 with ColorOS 14, while the C75 operates on Android 15 with Realme UI 6.0.
Side-by-side Specification Comparison
Oppo A3x (China)
Realme C75
General
Release Date
2024, July 27
2025, May 02
Announced
2024, July 27
2025, May 02
Description
N/A
Not to be confused withRealme C75 4G
Display
Size
6.67"
6.67"
Type
IPS LCD, 120Hz, 1000 nits (HBM)
IPS LCD, 120Hz, 625 nits
Resolution
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
PPI
720
720
Refresh Rate
120Hz
120Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek Dimensity 6300 (6 nm)
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Mali-G57 MC2
Memory
128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (uses shared SIM slot)
Camera
Main Camera
32 MP
32 MP
Main Camera Details
32 MP, f/1.8, (wide), PDAF2 MP, f/2.4, (depth)
32 MP, f/1.8, 27mm (wide), 1/3.1", PDAF
Front Camera
8 MP
8 MP
Front Camera Details
8 MP, f/2.0, (wide)
8 MP, f/2.0, (wide)
Video Recording
1080p@30/60fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5100 mAh
6000 mAh
Battery Details
5100 mAh
Li-Po 6000 mAh
Charging Details
45W wired, PD, 50% in 30 min
45W wired5W reverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
165.7 x 76 x 7.7 mm (6.52 x 2.99 x 0.30 in)
165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
Weight
186 g
190 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, Purple, White
Midnight Lily, Purple Blossom, Lily White
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
GSM / HSPA / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.3, A2DP, LE, aptX HD
5.3, A2DP, LE
NFC
✗
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
GPS, GALILEO, GLONASS, QZSS, BDS
Software
Operating System
Android 14, ColorOS 14
Android 15, Realme UI 6.0
OS Version
Android 14, ColorOS 14
Android 15, Realme UI 6.0
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes