Screen size
Smart 10Winner: 6.7"+8.5%
Smart HD 20216.1"
Quick verdict
Smart 10 leads the measured specs 13-2.
Measured wins
Smart 10
13
spec wins
Overall winner
Ties
7
equal specs
Smart HD 2021
2
spec wins
Screen size
Technology
Smart 10
GSM / HSPA / LTE
Smart HD 2021
GSM / HSPA / LTE
2G bands
Smart 10
GSM 850 / 900 / 1800 / 1900
Smart HD 2021
GSM 850 / 900 / 1800 / 1900
3G bands
Smart 10
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Smart HD 2021
HSDPA 850 / 900 / 2100
4G bands
Smart 10
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main camera
equal specsFront camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Smart HD 2021
1, 3, 5, 8, 38, 40, 41
Speed
Smart 10
HSPA, LTE
Smart HD 2021
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Smart 10
2025, June 16
Smart HD 2021
2020, December 16. Released 2020, December 24
Status
Smart 10
Available. Released 2025, June 16
Smart HD 2021
Discontinued
Dimensions
Smart 10
165.6 x 77 x 8.3 mm (6.52 x 3.03 x 0.33 in)
Smart HD 2021
158.3 x 75.2 x 9.8 mm (6.23 x 2.96 x 0.39 in)
Weight
Smart 10
187 g (6.60 oz)
Smart HD 2021
195 g (6.88 oz)
Build
Smart 10
Glass front, plastic back, plastic frame
Smart HD 2021
Glass front, plastic back, plastic frame
SIM
Smart 10
Nano-SIM + Nano-SIM
Smart HD 2021
Nano-SIM + Nano-SIM
Other
Smart 10
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Smart HD 2021
-
Type
Smart 10
IPS LCD, 120Hz, 700 nits (HBM)
Smart HD 2021
IPS LCD, 500 nits (typ)
Size
Smart 10
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Smart HD 2021
6.1 inches, 91.3 cm2 (~76.7% screen-to-body ratio)
Resolution
Smart 10
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Smart HD 2021
720 x 1560 pixels, 19.5:9 ratio (~282 ppi density)
OS
Smart 10
Android 15/15 (Go edition), XOS 15.1
Smart HD 2021
Android 10 (Go edition), XOS 6.2
Chipset
Smart 10
Unisoc T7250 (12 nm)
Smart HD 2021
Mediatek MT6761D Helio A20 (12 nm)
CPU
Smart 10
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Smart HD 2021
Quad-core 1.8 GHz Cortex-A53
GPU
Smart 10
Mali-G57 MP1
Smart HD 2021
PowerVR GE8320
Card slot
Smart 10
microSDXC (dedicated slot)
Smart HD 2021
microSDXC (dedicated slot)
Internal
Smart 10
64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 8GB RAM
Smart HD 2021
32GB 2GB RAM
Other
Smart 10
eMMC 5.1
Smart HD 2021
eMMC 5.1
Single
Smart 10
8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Smart HD 2021
-
Features
Smart 10
Dual-LED flash, panorama
Smart HD 2021
Dual-LED flash, HDR, panorama
Video
Smart 10
1440p@30fps, 1080p@30fps
Smart HD 2021
1080p@30fps
Dual
Smart 10
-
Smart HD 2021
8 MP, f/2.0
Single
Smart 10
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Smart HD 2021
5 MP, f/2.0
Video
Smart 10
1440p@30fps, 1080p@30fps
Smart HD 2021
1080p@30fps
Features
Smart 10
-
Smart HD 2021
Dual-LED flash, HDR
Loudspeaker
Smart 10
Yes, with stereo speakers
Smart HD 2021
Yes
3.5mm jack
Smart 10
Yes
Smart HD 2021
Yes
WLAN
Smart 10
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Smart HD 2021
Wi-Fi 802.11 a/b/g/n
Bluetooth
Smart 10
Yes
Smart HD 2021
5.0, A2DP, LE
Positioning
Smart 10
GPS
Smart HD 2021
GPS
NFC
Smart 10
Yes (data transfer only; not for payments - market/region dependent)
Smart HD 2021
No
Infrared port
Smart 10
Yes
Smart HD 2021
-
Radio
Smart 10
FM radio
Smart HD 2021
FM radio
USB
Smart 10
USB Type-C 2.0, OTG
Smart HD 2021
microUSB 2.0
Sensors
Smart 10
Fingerprint (side-mounted), accelerometer, proximity, compass
Smart HD 2021
Fingerprint (rear-mounted), accelerometer, proximity
Type
Smart 10
5000 mAh
Smart HD 2021
5000 mAh
Charging
Smart 10
15W wired Reverse wired
Smart HD 2021
-
Colors
Smart 10
Sleek Black Titanium Silver, Iris Blue, Twilight Gold
Smart HD 2021
Topaz Blue, Obsidian Black, Quartz Green
Models
Smart 10
X6725
Smart HD 2021
X612B, X612
Price
Smart 10
About 60 EUR
Smart HD 2021
About 70 EUR
SAR
Smart 10
-
Smart HD 2021
0.53 W/kg (head) 1.22 W/kg (body)