Doogee S40 vs Coolpad Cool Changer S1
| Type | Touch | Touch | Bar (classic) | Touch |
| Waterproofness & dust-resistance | IP68, IP69K | |||
| Dimensions | 158.20 x 79.40 x 14.10 mm | 151.40 x 74.70 x 7.50 mm | 149.30 x 72.50 x 9.40 mm | 157.90 x 75.50 x 8.50 mm |
| Weight | 238.00 g | 168.00 g | 180.00 g | 175.00 g |
| Display size | 5.50" | 5.50" | 4.50" | 6.30" |
| Display | Color / IPS TFT 16M colors 480 x 960 px (5.50") 195 ppi | Color / IPS TFT 16M colors 1080 x 1920 px (5.50") 401 ppi | Color / IPS TFT 16M colors 1080 x 1620 px (4.50") 433 ppi | Color / IPS TFT 16M colors 1080 x 2280 px (6.30") 400 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| |
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 2G: 1980 min. (33.0 h) | 3G: 2700 min. (45.0 h) | ||
| Stand-by (max.) | 2G: 505 h. (21.0 days) | 4G: 840 h. (35.0 days) | ||
| Playback time (max.) | Video: 16 h (0.7 days) | nd | nd | Video: 19 h (0.8 days) |
| Internet browsing time (max.) | 3G: 105 h (4.4 days) | nd | nd | WiFi: 23 h (1.0 days) |
| Standard battery | Li-Po 4650 mAhBuy powerbank
| Li-Po 4070 mAhBuy powerbank
| Li-Ion 3505 mAhBuy powerbank
| Li-Ion 5000 mAhBuy powerbank
|
| Quick battery charging | Quick Charge 3.0 | |||
| Wireless battery charging | ||||
| Internal memory | 32 GB, 16 GB | 64 GB, 128 GB | 64 GB | 64 GB, 32 GB, 128 GB |
| RAM memory | 3 GB, 2 GB | 4 GB, 6 GB | 4 GB | 6 GB, 3 GB, 4 GB |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card | |
| Operating system | Android 9.0 Pie | Android 6.0.1 Marshmallow | Android 7.1 Nougat | Android 8.1 Oreo |
| Interface | - | EUI 5.8 | - | - |
| Processor | MediaTek MT6739 | Qualcomm Snapdragon 821 8996 | Qualcomm Snapdragon 625 8953 | Qualcomm Snapdragon 660 |
| Processor clock | 1500 MHz | 2350 MHz | 2000 MHz | 1950 MHz |
| GPU | PowerVR GE8100 @570 MHz | Adreno 530 @653 MHz | Adreno 506 | Adreno 512 |
| Touchscreen | ||||
| DualSIM | ||||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | dual standby | nd | dual standby |
| Hybrid DualSIM | nanoSIM, microSD | nd | ||
| Announced | 1Q 2019 | 4Q 2016 | 1Q 2017 | 4Q 2018 |
| Other names | - | C105; Cool S1 | - | ZB631KL; ZB630KL; ASUS_X01BDA |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 900 2100 | 850 900 1900 2100 | 850 900 1700 1900 2100 | 850 900 1900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 800 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 900, 850, 800 TDD LTE: 2300 |
| CDMA | ||||
| Standard TD-SCDMA | 1900 2000 | |||
| UMA |



