Screen size
Smart 10 HD6.6"
Zero 20Winner: 6.7"+1.5%
Quick verdict
Zero 20 leads the measured specs 11-3.
Measured wins
Smart 10 HD
3
spec wins
Ties
5
equal specs
Zero 20
11
spec wins
Overall winner
Screen size
Technology
Smart 10 HD
GSM / HSPA / LTE
Zero 20
GSM / HSPA / LTE
2G bands
Smart 10 HD
GSM 850 / 900 / 1800 / 1900
Zero 20
GSM 850 / 900 / 1800 / 1900
3G bands
Smart 10 HD
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Zero 20
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Smart 10 HD
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Zero 20
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Speed
Smart 10 HD
HSPA, LTE
Zero 20
HSPA 42.2/11.5 Mbps, LTE Cat4 150/75 Mbps
Announced
Smart 10 HD
2025, June 16
Zero 20
2022, October 05
Status
Smart 10 HD
Available. Released 2025, June 16
Zero 20
Available. Released 2023, January 02
Dimensions
Smart 10 HD
163.6 x 75.6 x 8.5 mm (6.44 x 2.98 x 0.33 in)
Zero 20
164.4 x 76.7 x 8 mm (6.47 x 3.02 x 0.31 in)
Weight
Smart 10 HD
184 g (6.49 oz)
Zero 20
196 g (6.91 oz)
Build
Smart 10 HD
Glass front, plastic back, plastic frame
Zero 20
Glass front, aluminum frame
SIM
Smart 10 HD
Nano-SIM + Nano-SIM
Zero 20
Nano-SIM + Nano-SIM
Type
Smart 10 HD
IPS LCD, 90Hz, 500 nits (peak)
Zero 20
AMOLED, 90Hz
Size
Smart 10 HD
6.6 inches, 104.6 cm2 (~84.6% screen-to-body ratio)
Zero 20
6.7 inches, 108.4 cm2 (~86.0% screen-to-body ratio)
Resolution
Smart 10 HD
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
Zero 20
1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
OS
Smart 10 HD
Android 14 (Go edition)
Zero 20
Android 12, XOS 12
Chipset
Smart 10 HD
(12 nm)
Zero 20
Mediatek Helio G99 (6 nm)
CPU
Smart 10 HD
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Zero 20
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Smart 10 HD
Mali-G57 MC1
Zero 20
Mali-G57 MC2
Card slot
Smart 10 HD
microSDXC (dedicated slot)
Zero 20
microSDXC (dedicated slot)
Internal
Smart 10 HD
64GB 2GB RAM
Zero 20
128GB 8GB RAM, 256GB 8GB RAM
Other
Smart 10 HD
eMMC 5.1
Zero 20
-
Single
Smart 10 HD
13 MP, f/1.9, 27mm (wide), AF
Zero 20
-
Features
Smart 10 HD
Quad-LED flash
Zero 20
Quad-LED flash, HDR, panorama
Video
Smart 10 HD
1080p@30fps
Zero 20
1440p@30fps
Triple
Smart 10 HD
-
Zero 20
108 MP, (wide), PDAF 13 MP, AF 2 MP
Single
Smart 10 HD
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Zero 20
60 MP, (wide), AF, OIS
Video
Smart 10 HD
1080p@30fps
Zero 20
1440p@30fps
Features
Smart 10 HD
-
Zero 20
Dual-LED flash, HDR
Loudspeaker
Smart 10 HD
Yes
Zero 20
Yes, with dual speakers
3.5mm jack
Smart 10 HD
Yes
Zero 20
Yes
WLAN
Smart 10 HD
Wi-Fi 802.11 a/b/g/n/ac
Zero 20
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Smart 10 HD
Yes
Zero 20
Yes
Positioning
Smart 10 HD
GPS
Zero 20
GPS
NFC
Smart 10 HD
No
Zero 20
Yes
Infrared port
Smart 10 HD
Yes
Zero 20
-
Radio
Smart 10 HD
FM radio
Zero 20
FM radio
USB
Smart 10 HD
USB Type-C 2.0, OTG
Zero 20
USB Type-C 2.0, OTG
Sensors
Smart 10 HD
Fingerprint (side-mounted), accelerometer, proximity, compass
Zero 20
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
Smart 10 HD
5000 mAh
Zero 20
4500 mAh
Charging
Smart 10 HD
10W wired Reverse wired
Zero 20
45W wired, 75% in 30 min
Colors
Smart 10 HD
Timber Black, Shiny Gold, Crystal Green, Galaxy White
Zero 20
Space Gray, Glitter Gold, Green Fantasy
Models
Smart 10 HD
X6525D
Zero 20
X6821
Price
Smart 10 HD
About 60 EUR
Zero 20
About 200 EUR