Realme C75 5G vs Oppo A5x
Product
Price
159 USD
159 USD
Status
Available
Available
Brand
Realme Mobiles
Oppo Mobiles
Model No
RMX3943
Oppo A5x
Launch Date
2025, May 08
2025, May 25
Website
Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 8, 28, 40, 41
LTE
5G bands
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
SA/NSA
Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
Dimensions
165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
165.7 x 76.2 x 8 mm (6.52 x 3.00 x 0.31 in)
Weight
190 g (6.70 oz)
193 g (6.81 oz)
Build
IP64 dust tight and water resistant (water splashes)
Drop resistant up to 2m
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
IP65 dust tight and water resistant (low pressure water jets)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Colors
Midnight Lily, Purple Blossom, Lily White
Tranquil Lake Green, Laser White
Type
IPS LCD, 120Hz, 625 nits
IPS LCD, 120Hz, 1000 nits (HBM)
Size
6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Resolution
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
OS
Android 15, Realme UI 6.0
Android 15, ColorOS 15
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
RAM
4GB/6GB
4GB
Storage
64GB/128GB
128GB
UFS 2.2
Card Slot
microSDXC (uses shared SIM slot)
microSDXC
Lens 1
32 MP, f/1.8, 27mm (wide), 1/3.1", PDAF
32 MP, f/1.9, (wide), AF
Features
LED flash, panorama
LED flash, HDR, panorama
Video
1080p@30fps
Yes
Lens 1
8 MP, f/2.0, (wide)
5 MP, f/2.2, (wide)
Features
Panorama
Video
1080p@30fps
Yes
Capacity
Li-Po 6000 mAh
6000 mAh
Charging
45W wired
5W reverse wired
45W wired, 33W PPS, 13.5W PD, 50% in 37 min
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
WLAN
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
5.1, A2DP, LE
GPS
GPS, GALILEO, GLONASS, QZSS, BDS
GPS, GALILEO, GLONASS, BDS, QZSS
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG