Screen size
equal specsB352.4"
B402.4"
Quick verdict
B35 leads the measured specs 5-2.
Measured wins
B35
5
spec wins
Overall winner
Ties
9
equal specs
B40
2
spec wins
Screen size
equal specsTechnology
B35
GSM / HSPA / LTE
B40
GSM / HSPA / LTE
2G bands
B35
GSM 850 / 900 / 1800 / 1900
B40
GSM 850 / 900 / 1800 / 1900
3G bands
B35
HSDPA 850 / 900 / 1900 / 2100
B40
HSDPA 850 / 900 / 1900 / 2100
4G bands
B35
1, 3, 7, 8, 20
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
B40
1, 3, 7, 8, 20, 28
Speed
B35
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
B40
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced
B35
2018, September. Released 2018, October
B40
2021, April 20
Status
B35
Discontinued
B40
Available. Released 2021, April 20
Dimensions
B35
138 x 60 x 14 mm (5.43 x 2.36 x 0.55 in)
B40
145 x 62 x 18 mm (5.71 x 2.44 x 0.71 in)
Weight
B35
130 g (4.59 oz)
B40
157 g (5.54 oz)
SIM
B35
· Nano-SIM· Nano-SIM + Nano-SIM
B40
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
B40
IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 35 min) MIL-STD-810H compliant Drop resistant up to 1.8m Flashlight (100+ lumens) Antimicrobial protection (silver ion-based)
Type
B35
TFT
B40
TFT LCD
Size
B35
2.4 inches, 17.8 cm2 (~21.5% screen-to-body ratio)
B40
2.4 inches, 17.8 cm2 (~19.8% screen-to-body ratio)
Resolution
B35
240 x 320 pixels, 4:3 ratio (~167 ppi density)
B40
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Protection
B35
Scratch-proof glass
B40
-
OS
B35
KaiOS 2.5.1
B40
-
Chipset
B35
Qualcomm MSM8905 Snapdragon 205 (28 nm)
B40
Unisoc T117
CPU
B35
Dual-core (2x1.3 GHz Cortex-A7)
B40
-
GPU
B35
Adreno 304
B40
-
Card slot
B35
microSDXC (uses shared SIM slot)
B40
microSD
Internal
B35
4GB 512MB RAM
B40
Unspecified
Other
B35
eMMC 4.5
B40
-
Phonebook
B35
-
B40
Yes
Call records
B35
-
B40
Yes
Single
B35
2 MP
B40
2 MP
Features
B35
LED flash
B40
-
Video
B35
480p@30fps
B40
Yes
Other
B35
No
B40
No
Loudspeaker
B35
Yes
B40
Yes
3.5mm jack
B35
Yes
B40
Yes
WLAN
B35
Wi-Fi 802.11 b/g/n
B40
No
Bluetooth
B35
4.1, A2DP, LE
B40
5.0, A2DP, LE
Positioning
B35
GPS, GLONASS
B40
No
NFC
B35
No
B40
No
Radio
B35
FM radio
B40
FM radio
USB
B35
microUSB 2.0
B40
USB Type-C 2.0
Sensors
B35
Accelerometer
B40
Accelerometer
Other
B35
Downloadable applications Facebook, Gmail, Whatsapp, etc.
B40
-
Messaging
B35
-
B40
SMS
Games
B35
-
B40
No
Java
B35
-
B40
Type
B35
Li-Ion 2300 mAh, non-removable
B40
Li-Ion 1800 mAh
Stand-by
B35
Up to 720 h (3G)
B40
-
Talk time
B35
Up to 12 h (3G)
B40
-
Colors
B35
Black
B40
Black
Price
B35
About 110 EUR
B40
About 110 EUR