Screen size
C126.5"
C83Winner: 6.8"+4.4%
Quick verdict
C83 leads the measured specs 14-2.
Measured wins
C12
2
spec wins
Ties
7
equal specs
C83
14
spec wins
Overall winner
Screen size
Technology
C12
GSM / HSPA / LTE
C83
GSM / HSPA / LTE / 5G
2G bands
C12
GSM 850 / 900 / 1800 / 1900
C83
GSM 850 / 900 / 1800 / 1900
3G bands
C12
HSDPA 850 / 900 / 2100
C83
HSDPA 850 / 900 / 2100
4G bands
C12
1, 3, 5, 8, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
C83
1, 3, 5, 8, 28, 40, 41
Speed
C12
HSPA, LTE
C83
HSPA, LTE, 5G
5G bands
C12
-
C83
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Announced
C12
2020, August 14. Released 2020, August 14
C83
2026, March 06
Status
C12
Discontinued
C83
Available. Released 2026, March 07
Dimensions
C12
164.5 x 75.9 x 9.8 mm (6.48 x 2.99 x 0.39 in)
C83
166.3 x 78.1 x 8.4 mm (6.55 x 3.07 x 0.33 in)
Weight
C12
209 g (7.37 oz)
C83
212 g (7.48 oz)
SIM
C12
Nano-SIM + Nano-SIM
C83
Nano-SIM + Nano-SIM
Build
C12
-
C83
Glass front, plastic frame, plastic back
Other
C12
-
C83
IP64 dust tight and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Type
C12
IPS LCD
C83
IPS LCD, 144Hz, 900 nits (peak)
Size
C12
6.5 inches, 103.7 cm2 (~83.1% screen-to-body ratio)
C83
6.8 inches, 113.0 cm2 (~87.0% screen-to-body ratio)
Resolution
C12
720 x 1560 pixels, 19.5:9 ratio (~264 ppi density)
C83
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
Protection
C12
Corning Gorilla Glass
C83
-
OS
C12
Android 10, upgradable to Android 11, Realme UI 2.0
C83
Android 16, Realme UI 7.0
Chipset
C12
Mediatek MT6765G Helio G35 (12 nm)
C83
Mediatek Dimensity 6300 (6 nm)
CPU
C12
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
C83
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
C12
PowerVR GE8320
C83
Mali-G57 MC2
Card slot
C12
microSDXC (dedicated slot)
C83
microSDXC (uses shared SIM slot)
Internal
C12
32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
C83
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Other
C12
eMMC 5.1
C83
eMMC 5.1
Triple
C12
13 MP, f/2.2, (wide), PDAF 2 MP B/W, f/2.4 2 MP, f/2.4
C83
-
Features
C12
LED flash, HDR, panorama
C83
LED flash, HDR, panorama
Video
C12
1080p@30fps
C83
1080p@30fps
Single
C12
-
C83
13 MP, f/2.2, (wide)
Single
C12
5 MP, f/2.0, (wide)
C83
5 MP, f/2.2, (wide)
Features
C12
HDR, panorama
C83
-
Video
C12
1080p@30fps
C83
1080p@30fps
Loudspeaker
C12
Yes
C83
Yes, with stereo speakers
3.5mm jack
C12
Yes
C83
Yes
Other
C12
-
C83
24-bit/192kHz Hi-Res audio
WLAN
C12
Wi-Fi 802.11 b/g/n
C83
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
C12
5.0, A2DP, LE, aptX
C83
5.3, A2DP, LE
Positioning
C12
GPS, GLONASS, BDS
C83
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
C12
No
C83
No
Radio
C12
FM radio
C83
No
USB
C12
microUSB 2.0, OTG
C83
USB Type-C 2.0, OTG
Sensors
C12
Fingerprint (rear-mounted), accelerometer, proximity, compass
C83
Accelerometer, gyro, proximity, compass
Type
C12
6000 mAh
C83
Si/C Li-Ion 7000 mAh
Charging
C12
10W wired
C83
15W wired Reverse wired Bypass charging
Colors
C12
Marine Blue, Coral Red, Silver, Power Blue, Power Silver
C83
Blooming Purple, Sprouting Green
Models
C12
RMX2189
C83
-
Price
C12
About 110 EUR
C83
About 130 EUR