HTC SPV M3100 vs Oukitel WP21
| Type | Slide | Touch |
| Waterproofness & dust-resistance | IP68, IP69K | |
| Dimensions | 112.50 x 58.00 x 21.95 mm | 177.30 x 84.30 x 14.80 mm |
| Weight | 176.00 g | 398.00 g |
| Display size | 2.80" | 6.78" |
| Display | Color / TFT 64k colors 240 x 320 px (2.80") 143 ppi | Color / IPS TFT 16M colors 120 Hz 1080 x 2460 px (6.78") 396 ppi |
| Display protection | ||
| Additional display | ||
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 240 min. (4.0 h) 3G: 120 min. (2.0 h) | 2G: 4110 min. (68.5 h) |
| Stand-by (max.) | 2G: 200 h. (8.3 days) 3G: 180 h. (7.5 days) | 3G: 1150 h. (47.9 days) |
| Playback time (max.) | nd | Audio: 35 h (1.5 days) Video: 12 h (0.5 days) |
| Standard battery | Li-Ion 1350 mAhBuy powerbank
| Li-Po 9800 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 128 MB | 256 GB |
| End-user memory | 56 MB | |
| RAM memory | 64 MB | 12 GB |
| Memory cards | microSD | microSD, microSDHC, microSDXC up to 1000 GBBuy memory card |
| Operating system | MS Windows Mobile 5.0 SmartPhone | Android 12 |
| Processor | Samsung | MediaTek Helio G99 MT6789 |
| Processor clock | 400 MHz | 2200 MHz |
| GPU | - | ARM Mali-G57 MC2 |
| Touchscreen | ||
| SAR (10g) | 0,572 W/kg | |
| DualSIM | ||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | nanoSIM, microSD |
| Announced | 3Q 2006 | 4Q 2022 |
| Other names | HTC Hermes 100, Dopod 838 Pro | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 1900 2100 | 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 800 | |
| Standard 5G | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

