Infinix Zero 20 vs Infinix Note 50x
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
X6821
X6857B
Announced
2022, September
2025, March 27
Released
2022, September
2025, March 27
Status
Available
Available
Estimate Price
-
About 130 EUR
Design
Type
Bar
Bar
Colors
Grey, Gold, Green
Titanium Gray, Enchanted Purple, Sea Breeze Green, Sunset Spice Pink
Dimensions
-
165.4 x 76.4 x 8.0 mm or 8.2 mm
Weight
-
195.4 g or 198.9 g (6.88 oz)
Protection
-
IP64 dust tight and water resistant (water splashes)
RGB notification light (on the back)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
Network
2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
5G Network
No
Yes
SIM
Nano SIM
Nano SIM
Dual SIM
Yes, Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Display
Display Type
AMOLED
LCD
Size
6.7 inches, 108.4 cm2 (~86.0% screen-to-body ratio)
6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
Resolution
1080 x 2400 pixels,
720 x 1600 pixels, 20:9 ratio
Display Colors
16M colors
1 Billion+
Pixel Density
393 ppi density
263 ppi density
Touch Screen
Yes
Yes
Features
90Hz
120Hz, 560 nits (typ)
Media
FM Radio
Yes
Yes
Earphone Jack
Yes
No
Camera
Camera Set
Triple Cameras
Single Camera
Main Camera
108 MP, (wide), PDAF
50 MP, f/1.6, (wide), PDAF
2nd Camera
13 MP
-
3rd Camera
2 MP
-
Camera Video
1440p@30fps
4K@30fps, 1080p@30/120/240fps
Features
HDR, panorama
HDR, panorama
Flash
Quad-LED flash
Dual-LED flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
60 MP, (wide), AF, OIS
8 MP, f/2.0, (wide)
Selfie Video
1440p@30fps
1440p@30fps, 1080p@30fps
Features
Dual-LED flash, HDR
-
Software
OS
Android 12
Android 15, up to 2 major Android upgrades
User Interface
XOS 12
XOS 15
Hardware
Chipset
MediaTek Helio G99 (6nm)
Mediatek Dimensity 7300 Ultimate (4 nm)
CPU
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2
Mali-G615 MC2
RAM
8 GB
6/8 GB
Internal Storage
256 GB
128 GB
Card Slot
Yes microSD, (dedicated slot)
microSDXC (uses shared SIM slot)
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.0, A2DP, LE
5.4, A2DP, LE
Wi-fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Wi-fi Hotspot
Yes
Yes
USB
USB Type-C 2.0, USB On-The-Go
USB Type-C 2.0, OTG
GPS
Yes, with A-GPS
GPS
NFC
No
No
Wireless Charging
-
No
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE
HSPA, LTE, 5G
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Ion (Lithium Ion)
Capacity
4500 mAh, Battery
5500 mAh, Battery
Placement
Non-removable
Non-removable
Fast Charging
Yes, 45W, 75% in 30 min (advertised)
45W wired / 10W reverse wired / Bypass Charging