CryptoPhone 220 vs DNet 688
| Type | Touch | Bar (classic) | Touch | Touch |
| Waterproofness & dust-resistance | IP55, IP58 | IP54 | ||
| Dimensions | 108.00 x 58.00 x 18.00 mm | 109.00 x 44.00 x 22.50 mm | 129.90 x 68.10 x 13.70 mm | 151.00 x 72.80 x 10.40 mm |
| Weight | 160.00 g | 95.00 g | 173.80 g | |
| Display size | 2.80" | - | 4.00" | 5.50" |
| Display | Color / TFT 64 colors 240 x 320 px (2.80") 143 ppi | Mono / LCD | Color / IPS TFT 16M colors 480 x 800 px (4.00") 233 ppi | Color / IPS TFT 16M colors 1080 x 1920 px (5.50") 401 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| |||
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 2G: 210 min. (3.5 h) | 2G: 180 min. (3.0 h) | 2G: 630 min. (10.5 h) | 4G: 900 min. (15.0 h) |
| Stand-by (max.) | 2G: 190 h. (7.9 days) | 2G: 120 h. (5.0 days) | 3G: 460 h. (19.2 days) | 4G: 528 h. (22.0 days) |
| Standard battery | Li-Ion 1300 mAhBuy powerbank
| Li-Ion 600 mAhBuy powerbank
| Li-Ion 1800 mAhBuy powerbank
| Li-Po 2500 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Phonebook memory | 40 places | |||
| Internal memory | 8 GB | 16 GB | ||
| RAM memory | 1 GB | 2 GB | ||
| Memory cards | SD, MMC, SDIO | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | |
| Operating system | MS Windows Mobile 2003 SE Pocket PC | - | Android 4.0 Ice Cream Sandwich | Android 5.1 Lollipop |
| Processor | PXA26X | - | Qualcomm MSM8960 | MediaTek MT6753 |
| Processor clock | 400 MHz | - | 1500 MHz | 1500 MHz |
| GPU | - | - | Adreno 225 | ARM Mali-T720 @450 MHz |
| Touchscreen | ||||
| DualSIM | ||||
| SIM cards standard | DualSIM(microSIM, microSIM) | |||
| DualSIM mode | nd | nd | nd | dual standby |
| Hybrid DualSIM | nd | nd | nd | |
| Announced | 1Q 2006 | 2Q 2016 | ||
| Other names | - | - | - | - |
| GSM frequencies | 900 1800 1900 | 900 1800 | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | 900 2100 | ||
| LTE standard | FDD LTE: 850 | FDD LTE: 2600, 2100, 1800 TDD LTE: 2600, 2500, 2300, 1900 | ||
| CDMA | CDMA2000 1xEV-DO | |||
| Standard TD-SCDMA | ||||
| UMA |



