Screen size
Smart 10 PlusWinner: 6.7"+8.5%
Smart HD 20216.1"
Quick verdict
Smart 10 Plus leads the measured specs 13-3.
Measured wins
Smart 10 Plus
13
spec wins
Overall winner
Ties
6
equal specs
Smart HD 2021
3
spec wins
Screen size
Technology
Smart 10 Plus
GSM / HSPA / LTE
Smart HD 2021
GSM / HSPA / LTE
2G bands
Smart 10 Plus
GSM 850 / 900 / 1800 / 1900
Smart HD 2021
GSM 850 / 900 / 1800 / 1900
3G bands
Smart 10 Plus
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Smart HD 2021
HSDPA 850 / 900 / 2100
4G bands
Smart 10 Plus
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
Wired 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 Plus
HSPA, LTE
Smart HD 2021
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Smart 10 Plus
2025, June 16
Smart HD 2021
2020, December 16. Released 2020, December 24
Status
Smart 10 Plus
Available. Released 2025, June 16
Smart HD 2021
Discontinued
Dimensions
Smart 10 Plus
165.6 x 77 x 8 mm (6.52 x 3.03 x 0.31 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 Plus
198 g (6.98 oz)
Smart HD 2021
195 g (6.88 oz)
Build
Smart 10 Plus
Glass front, plastic back, plastic frame
Smart HD 2021
Glass front, plastic back, plastic frame
SIM
Smart 10 Plus
Nano-SIM + Nano-SIM
Smart HD 2021
Nano-SIM + Nano-SIM
Other
Smart 10 Plus
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Smart HD 2021
-
Type
Smart 10 Plus
IPS LCD, 120Hz, 700 nits (HBM)
Smart HD 2021
IPS LCD, 500 nits (typ)
Size
Smart 10 Plus
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 Plus
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 Plus
Android 15, XOS 15.1
Smart HD 2021
Android 10 (Go edition), XOS 6.2
Chipset
Smart 10 Plus
Unisoc T7250 (12 nm)
Smart HD 2021
Mediatek MT6761D Helio A20 (12 nm)
CPU
Smart 10 Plus
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 Plus
Mali-G57 MP1
Smart HD 2021
PowerVR GE8320
Card slot
Smart 10 Plus
microSDXC (dedicated slot)
Smart HD 2021
microSDXC (dedicated slot)
Internal
Smart 10 Plus
128GB 4GB RAM, 128GB 8GB RAM
Smart HD 2021
32GB 2GB RAM
Other
Smart 10 Plus
eMMC 5.1
Smart HD 2021
eMMC 5.1
Single
Smart 10 Plus
8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Smart HD 2021
-
Features
Smart 10 Plus
Dual-LED flash, panorama
Smart HD 2021
Dual-LED flash, HDR, panorama
Video
Smart 10 Plus
1440p@30fps, 1080p@30fps
Smart HD 2021
1080p@30fps
Dual
Smart 10 Plus
-
Smart HD 2021
8 MP, f/2.0
Single
Smart 10 Plus
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Smart HD 2021
5 MP, f/2.0
Video
Smart 10 Plus
1440p@30fps, 1080p@30fps
Smart HD 2021
1080p@30fps
Features
Smart 10 Plus
-
Smart HD 2021
Dual-LED flash, HDR
Loudspeaker
Smart 10 Plus
Yes, with stereo speakers
Smart HD 2021
Yes
3.5mm jack
Smart 10 Plus
Yes
Smart HD 2021
Yes
WLAN
Smart 10 Plus
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 Plus
Yes
Smart HD 2021
5.0, A2DP, LE
Positioning
Smart 10 Plus
GPS
Smart HD 2021
GPS
NFC
Smart 10 Plus
Yes (data transfer only; not for payments - market/region dependent)
Smart HD 2021
No
Infrared port
Smart 10 Plus
Yes
Smart HD 2021
-
Radio
Smart 10 Plus
FM radio
Smart HD 2021
FM radio
USB
Smart 10 Plus
USB Type-C 2.0, OTG
Smart HD 2021
microUSB 2.0
Sensors
Smart 10 Plus
Fingerprint (side-mounted), accelerometer, proximity, compass
Smart HD 2021
Fingerprint (rear-mounted), accelerometer, proximity
Type
Smart 10 Plus
6000 mAh
Smart HD 2021
5000 mAh
Charging
Smart 10 Plus
18W wired Reverse wired
Smart HD 2021
-
Colors
Smart 10 Plus
Sleek Black, Titanium Silver, Iris Blue, Ruby Red
Smart HD 2021
Topaz Blue, Obsidian Black, Quartz Green
Models
Smart 10 Plus
X6725B_C, X6725B
Smart HD 2021
X612B, X612
Price
Smart 10 Plus
About 70 EUR
Smart HD 2021
About 70 EUR
SAR
Smart 10 Plus
-
Smart HD 2021
0.53 W/kg (head) 1.22 W/kg (body)