Category Breakdown
Oppo A3 4G
Realme C75x
Performance
79.279.9
Camera
35.529.6
Display
78.779.6
Battery
36.137.2
Build
0.20.2
Connectivity
63.351.7
Audio
8.98.9
Overall
49.749.2
Summary
- The Oppo A3 4G and Realme C75x both feature a 6.67-inch IPS LCD display, but the A3 offers a 90Hz refresh rate compared to the C75x's 120Hz, providing smoother visuals.
- In terms of performance, the A3 is powered by a Qualcomm Snapdragon 6s 4G Gen1 chipset, while the C75x utilizes the Mediatek Helio G81 Ultra, with the latter having a slightly newer architecture.
- Both devices have a 50 MP rear camera and a 5 MP front camera, but the A3 supports video recording at 60fps.
- The A3 has a 5100mAh battery, whereas the C75x boasts a larger 5600mAh capacity, both supporting 45W charging.
- The A3 runs on Android 14 with ColorOS 14, while the C75x operates on Android 15 with Realme UI 6.0, indicating a more updated software experience for the latter.
- Build quality is similar, with the A3 being slightly lighter at 186g compared to the C75x's 196g.
Side-by-side Specification Comparison
Oppo A3 4G
Realme C75x
General
Release Date
2024, August 20
2025, March 07
Announced
2024, August 20
2025, March 07
Description
Also known as Oppo A40, Oppo A40m, Oppo A60 (LATAM)Not to be confused withOppo A3for China market,Oppo A3with 5G
N/A
Display
Size
6.67"
6.67"
Type
IPS LCD, 90Hz, 1000 nits (HBM)
IPS LCD, 120Hz, 500 nits (typ), 625 nits (HBM)
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
90Hz
120Hz
HDR Support
✗
✗
Protection
Panda glass
ArmorShell glass
Performance
Chipset
Qualcomm SM-6115 Snapdragon 6s 4G Gen1 (11 nm)
Mediatek Helio G81 Ultra (12 nm)
CPU
Octa-core (4x2.1 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Adreno 610
Mali-G52 MC2
Memory
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
50 MP, f/1.8, (wide), PDAFAuxiliary lens
50 MP, f/1.8, (wide), 1/2.88", PDAF
Main Camera Features
LED flash, HDR, panorama
LED flash, panorama
Front Camera
5 MP, f/2.2, (wide)
5 MP, f/2.2, (wide), 1/5"
Front Camera Features
N/A
Panorama
Video Recording
1080p@30/60fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5100 mAh
5600 mAh
Battery Details
5100 mAh
5600 mAh
Charging Details
45W wired, PD2.0, PPS, 50% in 30 min
45W wired, 100% in 90 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
165.8 x 76.1 x 7.7 mm (6.53 x 3.00 x 0.30 in)
165.7 x 76.2 x 8 mm (6.52 x 3.00 x 0.31 in)
Weight
186 g
196 g
Materials
N/A
N/A
Colors
Sparkle Black, Starry Purple, Starlight White
Coral Pink, Oceanic Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
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
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✓
✗
USB
USB Type-C 2.0, OTG
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
GPS, GALILEO, GLONASS, QZSS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 14, ColorOS 14
Android 15, Realme UI 6.0
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass

