CAT S61 vs CAT B40
| Type | Touch | Bar (classic) |
| Waterproofness & dust-resistance | IP68 | IP68, IP69 |
| Dimensions | 150.00 x 76.00 x 13.00 mm | 145.00 x 62.00 x 18.00 mm |
| Weight | 265.00 g | 157.00 g |
| Display size | 5.20" | 2.40" |
| Display | Color / IPS TFT 16M colors 1080 x 1920 px (5.20") 424 ppi | Color / TFT 256k colors 240 x 320 px (2.40") 167 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| |
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 660 min. (11.0 h) | |
| Stand-by (max.) | 2G: 720 h. (30.0 days) | |
| Standard battery | Li-Ion 4500 mAhBuy powerbank
| Li-Ion 1800 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 4.0 | |
| Wireless battery charging | ||
| Internal memory | 64 GB | |
| RAM memory | 4 GB | |
| Memory cards | microSD, microSDHC | microSD, microSDHC up to 32 GBBuy memory card |
| Operating system | Android 8.0 Oreo | KaiOS 2.5 |
| Processor | Qualcomm Snapdragon 630 | Unisoc T117 |
| Processor clock | 2200 MHz | - |
| GPU | Adreno 508 | - |
| Touchscreen | ||
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) |
| DualSIM mode | dual standby | nd |
| Announced | 1Q 2018 | 3Q 2021 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1800, 900, 800 |
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

