Category Breakdown
Oppo K12x
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 K12x and Realme C75 both feature a 6.67-inch IPS LCD display with a 120Hz refresh rate and a resolution of 720 x 1604 pixels, but the K12x offers a higher peak brightness of 1000 nits compared to the C75's 625 nits.
- In terms of performance, both devices are powered by the Mediatek Dimensity 6300 chipset, but the K12x has configurations with up to 256GB of storage and 8GB of RAM, while the C75 maxes out at 128GB and 6GB of RAM.
- Camera specifications are similar, with both having a 32 MP rear camera and an 8 MP front camera, though the C75's rear camera has a slightly different lens configuration.
- The K12x has a 5100mAh battery, while the C75 features a larger 6000mAh battery, both supporting 45W charging.
- Software-wise, the K12x runs on Android 14 with ColorOS 14, whereas the C75 operates on Android 15 with Realme UI 6.0, indicating a difference in user experience and features.
- Build dimensions are nearly identical, with the C75 being slightly heavier and thicker.
Side-by-side Specification Comparison
Oppo K12x
Realme C75
General
Release Date
2024, July 29
2025, May 02
Announced
2024, July 29
2025, May 02
Description
Not to be confused withOppo K12xfor China market
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
Panda glass
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 6GB RAM, 256GB 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
Breeze Blue, Midnight Violet
Midnight Lily, Purple Blossom, Lily White
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / 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

