Home/Oppo/Oppo A3 4G vs Realme C75x
Oppo A3 4G

Oppo A3 4G

#2360
Realme C75x

Realme C75x

#2414

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