Realme C51 vs Realme Narzo 80x
Product
Price
159 USD
159 USD
Status
Available
Available
Brand
Realme Mobiles
Realme Mobiles
Model No
RMX3830
Realme Narzo 80x
Launch Date
2023, August 01
2025, April 11
Website
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 8, 38, 40, 41 - Africa, India
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Asia
1, 3, 5, 8, 28, 40, 41
Speed
HSPA, LTE-A
HSPA, LTE, 5G
5G bands
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Dimensions
167.2 x 76.7 x 8 mm (6.58 x 3.02 x 0.31 in)
165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
Weight
186 g (6.56 oz)
197 g (6.95 oz)
Build
Glass front, plastic frame, plastic back
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Mint Green, Carbon Black
Deep Ocean, Sunlit Gold
Type
IPS LCD, 90Hz, 560 nits (peak)
IPS LCD, 120Hz, 950 nits (peak)
Size
6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio)
6.72 inches, 109.0 cm2 (~86.3% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~260 ppi densit
1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
OS
Android 13, Realme UI T
Android 15, Realme UI 6.0
Chipset
Unisoc Tiger T612 (12 nm)
Mediatek Dimensity 6400 (6 nm)
CPU
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Octa-core 2.5 GHz
GPU
Mali-G57
Mali-G57 MC2
RAM
4GB
6GB/8GB
Storage
64GB/128GB
еMMC 5.1
128GB
Card Slot
microSDXC (dedicated slot)
microSDXC (uses shared SIM slot)
Lens 1
50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF
50 MP, f/1.8, 27mm (wide), 2.88", 0.61µm, PDAF
Lens 2
0.08 MP, f/3.0, (depth)
2 MP, f/2.4, (depth)
Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Video
1080p@30fps
1080p@30/60fps
Lens 1
5 MP, f/2.2, 28mm (wide), 1/5", 1.12µm
Yes
Features
HDR
Panorama
Video
720p@30fps
1080p@30fps
Capacity
Li-Po 5000 mAh, non-removable
6000 mAh
Charging
33W wired, 0-50% in 28 min (advertised)
45W wired
5W reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
No
24-bit/192kHz Hi-Res audio
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.3, A2DP, LE
GPS
GPS, GLONASS, GALILEO
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Yes, 360˚ (market/region dependent)
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG

