Screen size
B352.4"
S52Winner: 5.7"+58%
Quick verdict
S52 leads the measured specs 13-1.
Measured wins
B35
1
spec wins
Ties
5
equal specs
S52
13
spec wins
Overall winner
Screen size
Technology
B35
GSM / HSPA / LTE
S52
GSM / HSPA / LTE
2G bands
B35
GSM 850 / 900 / 1800 / 1900
S52
GSM 850 / 900 / 1800 / 1900
3G bands
B35
HSDPA 850 / 900 / 1900 / 2100
S52
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
B35
1, 3, 7, 8, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
S52
1, 2, 3, 4, 5, 7, 8, 20, 28, 38
Speed
B35
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
S52
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps
Announced
B35
2018, September. Released 2018, October
S52
2019, October. Released 2019, November
Status
B35
Discontinued
S52
Discontinued
Dimensions
B35
138 x 60 x 14 mm (5.43 x 2.36 x 0.55 in)
S52
158.1 x 76.6 x 9.7 mm (6.22 x 3.02 x 0.38 in)
Weight
B35
130 g (4.59 oz)
S52
210 g (7.41 oz)
SIM
B35
· Nano-SIM· Nano-SIM + Nano-SIM
S52
· Nano-SIM· Nano-SIM + Nano-SIM
Other
B35
IP68 dust tight and water resistant (immersible up to 1.2m for 35 min) MIL-STD-810G compliant Drop resistant up to 1.8m Flashlight
S52
IP68 dust tight and water resistant (immersible up to 1.5m for 35 min) Drop resistant up to 1.5m MIL-STD-810G compliant
Build
B35
-
S52
Glass front (Gorilla Glass 6), plastic back, aluminum frame
Type
B35
TFT
S52
IPS LCD
Size
B35
2.4 inches, 17.8 cm2 (~21.5% screen-to-body ratio)
S52
5.65 inches, 82.4 cm2 (~68.0% screen-to-body ratio)
Resolution
B35
240 x 320 pixels, 4:3 ratio (~167 ppi density)
S52
720 x 1440 pixels, 18:9 ratio (~285 ppi density)
Protection
B35
Scratch-proof glass
S52
Corning Gorilla Glass 6
OS
B35
KaiOS 2.5.1
S52
Android 9.0 (Pie), planned upgrade to Android 10
Chipset
B35
Qualcomm MSM8905 Snapdragon 205 (28 nm)
S52
Mediatek MT6765 Helio P35 (12 nm)
CPU
B35
Dual-core (2x1.3 GHz Cortex-A7)
S52
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
B35
Adreno 304
S52
PowerVR GE8320
Card slot
B35
microSDXC (uses shared SIM slot)
S52
microSD
Internal
B35
4GB 512MB RAM
S52
64GB 4GB RAM
Other
B35
eMMC 4.5
S52
eMMC 5.1
Single
B35
2 MP
S52
12 MP, f/1.8, (wide), 1/2.55", 1.4µm, dual pixel PDAF
Features
B35
LED flash
S52
LED flash
Video
B35
480p@30fps
S52
1080p@30fps, gyro-EIS
Other
B35
No
S52
-
Single
B35
-
S52
8 MP
Video
B35
-
S52
1080p@30fps
Loudspeaker
B35
Yes
S52
Yes
3.5mm jack
B35
Yes
S52
Yes
WLAN
B35
Wi-Fi 802.11 b/g/n
S52
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
B35
4.1, A2DP, LE
S52
5.0, A2DP, LE
Positioning
B35
GPS, GLONASS
S52
GPS, GLONASS, GALILEO, BDS
NFC
B35
No
S52
Yes
Radio
B35
FM radio
S52
FM radio
USB
B35
microUSB 2.0
S52
USB Type-C 2.0, OTG
Sensors
B35
Accelerometer
S52
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Other
B35
Downloadable applications Facebook, Gmail, Whatsapp, etc.
S52
-
Type
B35
Li-Ion 2300 mAh, non-removable
S52
Li-Ion 3100 mAh, non-removable
Stand-by
B35
Up to 720 h (3G)
S52
-
Talk time
B35
Up to 12 h (3G)
S52
-
Charging
B35
-
S52
10W wired
Colors
B35
Black
S52
Black
Price
B35
About 110 EUR
S52
About 440 EUR