Screen size
S2 Pro5.2"
Smart 10 HDWinner: 6.6"+21%
Quick verdict
Smart 10 HD leads the measured specs 7-5.
Measured wins
S2 Pro
5
spec wins
Ties
8
equal specs
Smart 10 HD
7
spec wins
Overall winner
Screen size
Technology
S2 Pro
GSM / HSPA / LTE
Smart 10 HD
GSM / HSPA / LTE
2G bands
S2 Pro
GSM 850 / 900 / 1800 / 1900
Smart 10 HD
GSM 850 / 900 / 1800 / 1900
3G bands
S2 Pro
HSDPA 850 / 900 / 2100 , HSDPA 850 / 1700(AWS) / 1900 / 2100
Smart 10 HD
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
S2 Pro
1, 3, 5, 7, 8, 20, 38, 40, 2, 3, 4, 7, 28
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
equal specsFront camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Smart 10 HD
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Speed
S2 Pro
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Smart 10 HD
HSPA, LTE
Announced
S2 Pro
2017. Released 2017
Smart 10 HD
2025, June 16
Status
S2 Pro
Discontinued
Smart 10 HD
Available. Released 2025, June 16
Dimensions
S2 Pro
148.9 x 72.1 x 8.1 mm (5.86 x 2.84 x 0.32 in)
Smart 10 HD
163.6 x 75.6 x 8.5 mm (6.44 x 2.98 x 0.33 in)
Weight
S2 Pro
147 g (5.19 oz)
Smart 10 HD
184 g (6.49 oz)
SIM
S2 Pro
Dual SIM (Micro-SIM, dual stand-by)
Smart 10 HD
Nano-SIM + Nano-SIM
Build
S2 Pro
-
Smart 10 HD
Glass front, plastic back, plastic frame
Type
S2 Pro
IPS LCD
Smart 10 HD
IPS LCD, 90Hz, 500 nits (peak)
Size
S2 Pro
5.2 inches, 74.5 cm2 (~69.4% screen-to-body ratio)
Smart 10 HD
6.6 inches, 104.6 cm2 (~84.6% screen-to-body ratio)
Resolution
S2 Pro
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
Smart 10 HD
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
OS
S2 Pro
Android 7.0 (Nougat)
Smart 10 HD
Android 14 (Go edition)
Chipset
S2 Pro
Mediatek MT6753 (28 nm)
Smart 10 HD
(12 nm)
CPU
S2 Pro
Octa-core 1.3 GHz Cortex-A53
Smart 10 HD
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
S2 Pro
Mali-T720MP3
Smart 10 HD
Mali-G57 MC1
Card slot
S2 Pro
microSDXC (dedicated slot)
Smart 10 HD
microSDXC (dedicated slot)
Internal
S2 Pro
16GB 2GB RAM, 32GB 3GB RAM
Smart 10 HD
64GB 2GB RAM
Other
S2 Pro
-
Smart 10 HD
eMMC 5.1
Single
S2 Pro
13 MP, PDAF
Smart 10 HD
13 MP, f/1.9, 27mm (wide), AF
Features
S2 Pro
Dual-LED flash, panorama, HDR
Smart 10 HD
Quad-LED flash
Video
S2 Pro
1080p@30fps
Smart 10 HD
1080p@30fps
Dual
S2 Pro
13 MP 8 MP, 9mm (ultrawide)
Smart 10 HD
-
Features
S2 Pro
LED flash
Smart 10 HD
-
Video
S2 Pro
Smart 10 HD
1080p@30fps
Single
S2 Pro
-
Smart 10 HD
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Loudspeaker
S2 Pro
Yes
Smart 10 HD
Yes
3.5mm jack
S2 Pro
Yes
Smart 10 HD
Yes
WLAN
S2 Pro
Wi-Fi 802.11 a/b/g/n
Smart 10 HD
Wi-Fi 802.11 a/b/g/n/ac
Bluetooth
S2 Pro
4.2, A2DP, LE
Smart 10 HD
Yes
Positioning
S2 Pro
GPS
Smart 10 HD
GPS
NFC
S2 Pro
No
Smart 10 HD
No
Radio
S2 Pro
FM radio
Smart 10 HD
FM radio
USB
S2 Pro
microUSB 2.0, OTG
Smart 10 HD
USB Type-C 2.0, OTG
Infrared port
S2 Pro
-
Smart 10 HD
Yes
Sensors
S2 Pro
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Smart 10 HD
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
S2 Pro
3000 mAh, non-removable
Smart 10 HD
5000 mAh
Charging
S2 Pro
10W wired
Smart 10 HD
10W wired Reverse wired
Colors
S2 Pro
Midnight Black, Orchid Gray, Coral Blue, Arctic Silver, Maple Gold
Smart 10 HD
Timber Black, Shiny Gold, Crystal Green, Galaxy White
Models
S2 Pro
S2 Pro, S2
Smart 10 HD
X6525D
Price
S2 Pro
-
Smart 10 HD
About 60 EUR