HTC Star Trek vs Redmi K40 Gaming
| Type | Clamshell | Touch |
| Waterproofness & dust-resistance |  | IP53 |
| Dimensions | 98.50 x 51.40 x 15.80 mm | 161.94 x 76.93 x 9.30 mm |
| Weight | 99.00 g | 205.00 g |
| Display size | 2.20" | 6.67" |
| Display | Color / TFT 64k colors 240 x 320 px (2.20") 182 ppi | Color / OLED 1,07G colors 120 Hz 1080 x 2400 px (6.67") 395 ppi |
| Display protection |   | Corning Gorilla Glass Buy screen protector
|
| Additional display | Color / TFT 64k colors 128 x 128 px (1.20") | |
| Protection of the secondary display | | |
| Standard battery | Li-Po 750 mAhBuy powerbank
| Li-Po 5065 mAhBuy powerbank
|
| Quick battery charging | | Quick Charge 3+ |
| Wireless battery charging | | |
| Internal memory | 64 MB | 128 GB, 256 GB |
| RAM memory | 64 MB | 6 GB, 8 GB, 12 GB |
| Memory cards |  microSD | |
| Operating system | MS Windows Mobile 5.0 | Android 11 |
| Interface | - | MIUI 12.5 |
| Processor | TI OMAP850 | MediaTek Dimensity 1200 MT6893 |
| Processor clock | 195 MHz | 3000 MHz |
| GPU | - | ARM Mali-G77 MC9 |
| Touchscreen | | |
| SAR (10g) | 0,356 W/kg | |
| DualSIM | | |
| SIM cards standard | | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | nd | dual standby |
| Hybrid DualSIM | nd | |
| Announced | | 2Q 2021 |
| Other names | - | Xiaomi Redmi K40 Gaming |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 850 900 1700 1900 2100 |
| LTE standard | | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850 TDD LTE: 3500, 2600, 2500, 2300, 2100, 1900 |
| Standard 5G | | FDD 5G: 2100, 1800, 700 TDD 5G: 3700, 3500, 2500 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | | Standard |
| Photo matrix | 1.3 Mpx | 64 Mpx |
| Sensor size | | 1/2 |
| Pixel size | | 0,7 µm |
| Resolution | 1280x1024 px | 9248x6944 px |
| Optical zoom | | |
| Number of lenses | | 6 |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | | 3840x2160 px |
| Video formats | | H.264, H.265, MPEG4 - 30 fps |
| Additional | - | AF, EIS, f/1.65 |
| Second camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 8 Mpx |
| Resolution | nd | 3264x2448 px |
| Optical zoom | nd | |
| Field of view | nd | 120 ° |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.2 |
| Third camera | | |
| Camera type | nd | Macro |
| Photo matrix | nd | 2 Mpx |
| Resolution | nd | 1600x1200 px |
| Optical zoom | nd | |
| Focal length | nd | 50 mm |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | f/2.4 |
CAMERAS - FRONT
| First camera | | |
| Camera type | nd | Portrait |
| Photo matrix | nd | 16 Mpx |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.264, H.265, MPEG4 - 30 fps |
| Additional | nd | FF |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | 42.20 Mbit/s |
| HSUPA | | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 10 | |
| EDGE | class 10 | |
| Bluetooth | v1.2 | v5.2 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 a/b/g/n/ac/ax |
| WiFi frequencies | | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v1.1 | v3.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | v1.1 | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | 2 |
| Audio Jack | 3.5 mm | |
| HD Voice | | |
| Sound formats | AAC, AMR, WAV, WMA | AAC, AAC+, AMR, APE, AWB, DSF, FLAC, M4A, MID, OGG, WAV, WMA, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |