Side-by-side technical data
Cat B35 vs Cat S53
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Cat B35, if you care about…
- Weight
- 130 g
- against 320 g
- Body Thickness
- 14 mm
- against 16 mm
Cat S53, if you care about…
- Battery Capacity
- 5,500 mAh
- against 2,300 mAh
- RAM Capacity
- 6 GB
- against 512 MB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac
- against Wi-Fi 802.11 b/g/n
- Storage Type
- eMMC 5.1
- against eMMC 4.5
Specification comparison
Battery
| Specification | B35 | S53 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 2,300 mAh | 5,500 mAh Best value |
| Battery Type | Li-Ion | Li-Polymer |
| Fast Charge Power | — | — |
| Battery Features | — | Wireless Charging, Fast Charging, Non-Removable, Battery Level Indicator, Rechargeable |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 12 h | — |
| Standby time | 720 h | — |
| Music playback time | — | — |
Design
| Specification | B35 | S53 |
|---|---|---|
| Body Colors | Black | Black |
| Body Thickness | 14 mm Best value | 16 mm |
| Body Width | 60 mm | 81 mm |
| Body Height | 138 mm | 171 mm |
| Weight | 130 g Best value | 320 g |
| Usable Surface | 21.5 % | 73.6 % Best value |
| Body Materials | — | Aluminium Alloy, Rugged Build |
| Resistance Features | IP68, MIL-STD-810G, Drop Resistant Up to 1.8 m | IP68, IP69, MIL-STD-810H, Drop Resistant Up to 1.8 m Best value |
| Waterproof Depth | 1.2 m | 1.5 m Best value |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 14 mm | — |
| QWERTY keyboard | — | — |
Performance
| Specification | B35 | S53 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 205 | Qualcomm SM4350 Snapdragon 480 5G |
| Processor Process Size | 28 nm | 8 nm Best value |
| Graphics GPU | Qualcomm Adreno 304 | Qualcomm Adreno 619 |
| Storage Type | eMMC 4.5 | eMMC 5.1 Best value |
| Maximum CPU Clock | 1.3 GHz | 2 GHz Best value |
| Maximum Storage Capacity | 4 GB | 128 GB Best value |
| AnTuTu Score | — | 323,400 |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Dual-core (2x1.3 GHz Cortex-A7) | Octa-core CPU with 2x Kryo 460 at 2.0 GHz and 6x Kryo 460 at 1.8 GHz. |
| Processor Type | Dual-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 512 MB | 6 GB Best value |
| RAM Type | — | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | v9 |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | B35 | S53 |
|---|---|---|
| Fingerprint Sensor Placement | — | Rear |
Display
| Specification | B35 | S53 |
|---|---|---|
| Display Aspect Ratio | 4:3 | 20:9 |
| Peak Display Brightness | — | — |
| Display Technology | TFT LCD | IPS LCD Best value |
| Display Diagonal | 2.4″ | 6.5″ Best value |
| Display Horizontal Resolution | 240 px | 720 px Best value |
| Display Vertical Resolution | 320 px | 1,600 px Best value |
| Display Pixel Density | 167 ppi | 270 ppi Best value |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Scratch Resistant, TFT LCD | Water Drop Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Touchscreen |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensor
| Specification | B35 | S53 |
|---|---|---|
| Sensor Features | Accelerometer | Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor |
Software
| Specification | B35 | S53 |
|---|---|---|
| Operating System | KaiOS 2.5 | Android 11 |
| OS Family | KaiOS | Android |
| OS Version | 2 | 11 |
| OS Update Support | — | — |
| Direct OS Updates | — | No |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | B35 | S53 |
|---|---|---|
| SIM Configurations | Single Nano-SIM, Dual Nano-SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B7, 4G LTE B8, 4G LTE B20 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28a, 5G NR n28b, 5G NR n41, 5G NR n66, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11a/b/g/n/ac Best value |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi 802.11a/b/g/n/ac |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE, EDR |
| Navigation Systems | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0 | 3.5 mm Audio Jack, NFC, USB Charging, USB Mass Storage, USB OTG, USB Host 3.1, USB Type-C, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE |
| USB Version | USB 2.0 | USB 3.0 Best value |
| SAR American Head | — | 0.98 W/kg |
| SAR American Body | — | 1.06 W/kg |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | B35 | S53 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP, LE, Loudspeaker | A2DP, LE, Loudspeaker, EDR |
| Alert types | — | — |
Technical
| Specification | B35 | S53 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | B35 | S53 |
|---|---|---|
| Built-in functions | — | — |
