Hammer Plus vs Hammer Professional BS21
| Type | Bar (classic) | Touch | Bar (classic) | Bar (classic) |
| Waterproofness & dust-resistance | IP67 | IP68 | IP68 | IP68 |
| Dimensions | 133.00 x 60.00 x 29.00 mm | 156.50 x 77.20 x 17.80 mm | 137.80 x 62.80 x 18.80 mm | 137.20 x 64.90 x 22.50 mm |
| Weight | 168.00 g | 300.00 g | 155.00 g | 264.00 g |
| Display size | 2.20" | 5.00" | 2.40" | 2.40" |
| Display | Color / TFT (2.20") | Color / IPS TFT 16M colors 60 Hz 720 x 1280 px (5.00") 294 ppi | Color / TFT 64k colors 240 x 320 px (2.40") 167 ppi | Color / IPS TFT 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: 2460 min. (41.0 h) | 2G: 840 min. (14.0 h) | ||
| Stand-by (max.) | 3G: 595 h. (24.8 days) 4G: 406 h. (16.9 days) | 2G: 360 h. (15.0 days) | ||
| Playback time (max.) | nd | Audio: 30 h (1.3 days) | Audio: 15 h (0.6 days) | nd |
| Standard battery | Li-Ion 1800 mAhBuy powerbank
| Li-Po 5000 mAhBuy powerbank
| Li-Ion 1800 mAhBuy powerbank
| Li-Po 3100 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Internal memory | 16 GB | 32 MB | 256 MB | |
| RAM memory | 2 GB | 32 MB | 64 MB | |
| Memory cards | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC up to 32 GBBuy memory card | microSD, microSDHC, microSDXC up to 64 GBBuy memory card |
| Operating system | - | Android 8.1 Oreo | - | - |
| Processor | - | MediaTek MT6739 | MediaTek MT6261D | Unisoc T117 |
| Processor clock | - | 1500 MHz | 260 MHz | 1000 MHz |
| GPU | - | PowerVR GE8100 @570 MHz | - | - |
| Touchscreen | ||||
| DualSIM | ||||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | ||
| DualSIM mode | dual standby | dual standby | dual standby | |
| Hybrid DualSIM | nanoSIM, microSD | |||
| Announced | 1Q 2016 | 3Q 2023 | ||
| Other names | - | - | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 900 1800 |
| UMTS | 850 900 1900 2100 | 900 2100 | ||
| LTE standard | FDD LTE: 2600, 2500, 2300, 2100, 1900, 1800, 900, 800 | FDD LTE: 2600, 2100, 1800, 900, 800 | ||
| Standard 5G | ||||
| CDMA | ||||
| Standard TD-SCDMA | ||||
| UMA |



