Realme C21 vs Realme C100x
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
Realme C21
Realme C100x
Announced
2021, March
2026, May 07
Released
2021, March
Exp. release 2026, May 15
Status
Available
Coming Soon
Estimate Price
-
About 160 EUR
Design
Type
Bar
Bar
Dimensions
165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
166.5 x 78.2 x 8.6 mm (6.56 x 3.08 x 0.34 in)
Weight
190 g (6.70 oz)
219 g (7.72 oz)
Colors
Cross Black, Cross Blue
Golden Coast, Deepblue Tides
Protection
-
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.)
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Yes
3G Network
HSDPA 850 / 900 / 2100
Yes
4G Network
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Yes
SIM
Nano SIM
Nano SIM
Dual SIM
Yes, Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
5G Network
-
No
Display
Display Type
IPS LCD
IPS LCD
Size
6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio)
6.8
Resolution
720 x 1600 pixels
720x1570 pixels
Display Colors
16M colors
-
Pixel Density
270 ppi density
254 ppi density
Touch Screen
Capacitive Touchscreen
Yes
Display Protection
-
ArmorShell glass, Mohs level 5
Features
-
120Hz, 900 nits (HBM)
Media
FM Radio
Yes
No
Earphone Jack
Yes
Yes
Camera
Camera Set
Triple Cameras
Dual Cameras
Main Camera
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF
50 MP, f/1.8, (wide), PDAF
2nd Camera
2 MP, f/2.4, (macro)
Auxiliary lens
3rd Camera
2 MP, f/2.4, (depth)
-
Camera Video
1080p@30fps
1080p@30fps
Features
HDR, panorama
LED flash, HDR, panorama
Flash
LED Flash
LED flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
5 MP, f/2.2, (wide), 1/5.0", 1.12µm
5 MP, f/2.2, (wide)
Selfie Video
1080p@30fps
720p@30fps
Features
HDR, panorama
-
Software
OS
Android 10
Android 16
User Interface
Realme UI 1.0
-
Hardware
Chipset
MediaTek Helio G35 (12 nm)
Unisoc T7250
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G57 MP1
RAM
3/4 GB
4/6GB
Internal Storage
32/64 GB
128GB/256GB
Card Slot
Yes, up to 128 GB via microSD card
microSDXC
Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Connectivity
Bluetooth
5.0, A2DP, LE
5.2, A2DP, LE
Wi-fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-fi Hotspot
Yes
Yes
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, OTG
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GALILEO, GLONASS, BDS
NFC
No
No
Wireless Charging
-
Reverse wired
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE
GSM / HSPA / LTE
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Ion (Lithium Ion)
Capacity
5000 mAh, Battery
Si/C Li-Ion 8000 mAh
Placement
Non-removable
Non-removable
Fast Charging
Yes, 10W (Reverse charging)
45W wired, 45W PPS, 13.5W PD