Screen size
Quick verdict
Smart 10 leads the measured specs 11-4.
Measured wins
Smart 10
11
spec wins
Overall winner
Ties
7
equal specs
Smart 4
4
spec wins
Screen size
Technology
Smart 10
GSM / HSPA / LTE
Smart 4
GSM / HSPA / LTE
2G bands
Smart 10
GSM 850 / 900 / 1800 / 1900
Smart 4
GSM 850 / 900 / 1800 / 1900
3G bands
Smart 10
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Smart 4
HSDPA 850 / 900 / 2100
4G bands
Smart 10
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Smart 4
1, 3, 5, 8, 38, 40, 41
Speed
Smart 10
HSPA, LTE
Smart 4
HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
Smart 10
2025, June 16
Smart 4
2019, October. Released 2019, October
Status
Smart 10
Available. Released 2025, June 16
Smart 4
Discontinued
Dimensions
Smart 10
165.6 x 77 x 8.3 mm (6.52 x 3.03 x 0.33 in)
Smart 4
167 x 76 x 8.3 mm (6.57 x 2.99 x 0.33 in)
Weight
Smart 10
187 g (6.60 oz)
Smart 4
183 g (6.46 oz)
Build
Smart 10
Glass front, plastic back, plastic frame
Smart 4
Glass front, plastic back, plastic frame
SIM
Smart 10
Nano-SIM + Nano-SIM
Smart 4
Nano-SIM + Nano-SIM
Other
Smart 10
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
Smart 4
-
Type
Smart 10
IPS LCD, 120Hz, 700 nits (HBM)
Smart 4
IPS LCD
Size
Smart 10
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)
Smart 4
6.6 inches, 105.2 cm2 (~82.9% screen-to-body ratio)
Resolution
Smart 10
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Smart 4
720 x 1600 pixels, 20:9 ratio (~266 ppi density)
OS
Smart 10
Android 15/15 (Go edition), XOS 15.1
Smart 4
Android 9.0 Pie (Go edition)
Chipset
Smart 10
Unisoc T7250 (12 nm)
Smart 4
Mediatek MT6761 Helio A22 (12 nm)
CPU
Smart 10
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Smart 4
Quad-core 2.0 GHz Cortex-A53
GPU
Smart 10
Mali-G57 MP1
Smart 4
PowerVR GE8320
Card slot
Smart 10
microSDXC (dedicated slot)
Smart 4
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 4
16GB 1GB RAM, 32GB 2GB RAM
Other
Smart 10
eMMC 5.1
Smart 4
eMMC 5.1
Single
Smart 10
8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Smart 4
8 MP
Features
Smart 10
Dual-LED flash, panorama
Smart 4
Dual-LED flash
Video
Smart 10
1440p@30fps, 1080p@30fps
Smart 4
1080p@30fps
Single
Smart 10
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Smart 4
5 MP
Video
Smart 10
1440p@30fps, 1080p@30fps
Smart 4
1080p@30fps
Loudspeaker
Smart 10
Yes, with stereo speakers
Smart 4
Yes
3.5mm jack
Smart 10
Yes
Smart 4
Yes
WLAN
Smart 10
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Smart 4
Wi-Fi 802.11 a/b/g/n
Bluetooth
Smart 10
Yes
Smart 4
5.0, A2DP, LE
Positioning
Smart 10
GPS
Smart 4
GPS
NFC
Smart 10
Yes (data transfer only; not for payments - market/region dependent)
Smart 4
No
Infrared port
Smart 10
Yes
Smart 4
-
Radio
Smart 10
FM radio
Smart 4
FM radio
USB
Smart 10
USB Type-C 2.0, OTG
Smart 4
microUSB 2.0
Sensors
Smart 10
Fingerprint (side-mounted), accelerometer, proximity, compass
Smart 4
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
Smart 10
5000 mAh
Smart 4
4000 mAh, non-removable
Charging
Smart 10
15W wired Reverse wired
Smart 4
-
Colors
Smart 10
Sleek Black Titanium Silver, Iris Blue, Twilight Gold
Smart 4
Midnight Black, Quetzal Cyan, Cosmic Purple
Models
Smart 10
X6725
Smart 4
X653, X663
Price
Smart 10
About 60 EUR
Smart 4
-