Screen size
C100xWinner: 6.8"+4.4%
Narzo 206.5"
Quick verdict
C100x leads the measured specs 11-5.
Measured wins
C100x
11
spec wins
Overall winner
Ties
6
equal specs
Narzo 20
5
spec wins
Screen size
Technology
C100x
GSM / HSPA / LTE
Narzo 20
GSM / HSPA / LTE
2G bands
C100x
GSM 850 / 900 / 1800 / 1900
Narzo 20
GSM 850 / 900 / 1800 / 1900
3G bands
C100x
HSDPA 900 / 2100
Narzo 20
HSDPA 850 / 900 / 2100
4G bands
C100x
1, 3, 5, 8, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Narzo 20
1, 3, 5, 8, 38, 40, 41
Speed
C100x
HSPA, LTE
Narzo 20
HSPA, LTE
Announced
C100x
2026, May 07
Narzo 20
2020, September 21. Released 2020, September 28
Status
C100x
Released May 15, 2026
Narzo 20
Discontinued
Dimensions
C100x
166.5 x 78.2 x 8.6 mm (6.56 x 3.08 x 0.34 in)
Narzo 20
164.5 x 75.9 x 9.8 mm (6.48 x 2.99 x 0.39 in)
Weight
C100x
219 g (7.72 oz)
Narzo 20
208 g (7.34 oz)
Build
C100x
Glass front, plastic frame, plastic back
Narzo 20
-
SIM
C100x
Nano-SIM + Nano-SIM
Narzo 20
Nano-SIM + Nano-SIM
Other
C100x
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 RGB light on the back (notifications, etc.)
Narzo 20
-
Type
C100x
IPS LCD, 120Hz, 900 nits (HBM)
Narzo 20
IPS LCD, 450 nits (typ), 560 nits (peak)
Size
C100x
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
Narzo 20
6.5 inches, 102.0 cm2 (~81.7% screen-to-body ratio)
Resolution
C100x
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
Narzo 20
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection
C100x
ArmorShell glass, Mohs level 5
Narzo 20
-
OS
C100x
Android 16
Narzo 20
Android 10, upgradable to Android 11, Realme UI 2.0
Chipset
C100x
Unisoc T7250 (12 nm)
Narzo 20
Mediatek MT6769Z Helio G85 (12 nm)
CPU
C100x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Narzo 20
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
C100x
Mali-G57 MP1
Narzo 20
Mali-G52 MC2
Card slot
C100x
microSDXC
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microSDXC (dedicated slot)
Internal
C100x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM
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64GB 4GB RAM, 128GB 4GB RAM
Other
C100x
eMMC 5.1
Narzo 20
eMMC 5.1
Dual
C100x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Narzo 20
-
Features
C100x
LED flash, HDR, panorama
Narzo 20
LED flash, HDR, panorama
Video
C100x
1080p@30fps
Narzo 20
1080p@30/60fps
Triple
C100x
-
Narzo 20
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Single
C100x
5 MP, f/2.2, (wide)
Narzo 20
8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm
Video
C100x
720p@30fps
Narzo 20
1080p@30fps
Features
C100x
-
Narzo 20
HDR, panorama
Loudspeaker
C100x
Yes
Narzo 20
Yes
3.5mm jack
C100x
Yes
Narzo 20
Yes
WLAN
C100x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Narzo 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
C100x
5.2, A2DP, LE
Narzo 20
5.0, A2DP, LE, aptX HD
Positioning
C100x
GPS, GALILEO, GLONASS, BDS
Narzo 20
GPS, GLONASS
NFC
C100x
Yes (market/region dependent)
Narzo 20
No
Radio
C100x
Unspecified
Narzo 20
FM radio
USB
C100x
USB Type-C 2.0, OTG
Narzo 20
USB Type-C 2.0, OTG
Sensors
C100x
Fingerprint (side-mounted), accelerometer, proximity, compass
Narzo 20
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
C100x
Si/C Li-Ion 8000 mAh
Narzo 20
6000 mAh
Charging
C100x
45W wired, 45W PPS, 13.5W PD Reverse wired
Narzo 20
18W wired 5W reverse wired
Colors
C100x
Golden Coast, Deepblue Tides
Narzo 20
Glory Silver, Victory Blue
Models
C100x
RMX5366
Narzo 20
RMX2193
Price
C100x
About 160 EUR
Narzo 20
About 130 EUR
SAR
C100x
-
Narzo 20
1.03 W/kg (head) 0.73 W/kg (body)