Category Breakdown
Cat B35
Energizer E280s
Performance
51.351.3
Camera
41.941.9
Display
53.453.4
Battery
43.543.5
Build
70.870.8
Overall
50.150.1
Summary
- The Cat B35 features a robust build with dimensions of 138 x 60 x 14 mm and a weight of 130g, while the Energizer E280s is slightly smaller and lighter at 134.5 x 56 x 16.8 mm and 113g.
- Both devices have a TFT display, but the E280s offers a larger 2.8" screen compared to the B35's 2.4", although both share the same resolution of 240 x 320 pixels.
- In terms of performance, the B35 is powered by a Qualcomm Snapdragon 205 chipset with a dual-core CPU at 1.3 GHz, while the E280s uses a Spreadtrum SC9820E with a slightly lower clock speed of 1.2 GHz.
- Both have a 2 MP rear camera, but the E280s supports video recording.
- The B35 has a 2300 mAh battery, whereas the E280s has a larger 3000 mAh capacity, providing potentially longer usage.
- Both run on KaiOS, with the B35 on version 2.5.1 and the E280s on 2.5.3, offering a similar software experience.
Side-by-side Specification Comparison
Cat B35
Energizer E280s
General
Release Date
2018
2021, April 07
Announced
2018
2021, April 07
Description
N/A
N/A
Display
Size
2.4"
2.8"
Type
TFT
TFT LCD, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio (~167 ppi density)
240 x 320 pixels, 4:3 ratio (~143 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Scratch-proof glass
N/A
Performance
Chipset
Qualcomm MSM8905 Snapdragon 205 (28 nm)
Spreadtrum SC9820E
CPU
Dual-core (2x1.3 GHz Cortex-A7)
Dual-core (2x1.2 GHz)
GPU
Adreno 304
Mali-T820
Memory
4GB 512MB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDHC
Camera
Main Camera
2 MP
2 MP
Main Camera Details
2 MP
2 MP
Front Camera
N/A
N/A
Front Camera Details
N/A
VGA
Video Recording
480p@30fps
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2300 mAh
3000 mAh
Battery Details
Li-Ion 2300 mAh, non-removable
Li-Ion 3000 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
138 x 60 x 14 mm (5.43 x 2.36 x 0.55 in)
134.5 x 56 x 16.8 mm (5.30 x 2.20 x 0.66 in)
Weight
130 g
113 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black
Black, White, Gray, Blue, Green, Yellow, Brown
Foldable
✗
✗
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
4.1, A2DP, LE
2.1, EDR
NFC
✗
✗
USB
microUSB 2.0
microUSB
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS
Software
Operating System
KaiOS 2.5.1
KaiOS 2.5.3
OS Version
KaiOS 2.5.1
KaiOS 2.5.3
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

