Comparison between:
- HTC Desire 620
- Xiaomi Mi Max 3
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| HTC Desire 620 | Xiaomi Mi Max 3 | |
 |  Prices | |
| Model alias | - | Mi Max3 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 72.7 mm 7.27 cm 0.239 ft 2.862 in | 87.4 mm 8.74 cm 0.287 ft 3.441 in |
| Height | 150.1 mm 15.01 cm 0.492 ft 5.909 in | 176.15 mm 17.615 cm 0.578 ft 6.935 in |
| Thickness | 9.6 mm 0.96 cm 0.031 ft 0.378 in | 7.99 mm 0.799 cm 0.026 ft 0.315 in |
| Weight | 160 g 0.35 lbs 5.64 oz | 221 g 0.49 lbs 7.8 oz |
| Volume | 104.76 cm³ 6.36 in³ | 123.01 cm³ 7.47 in³ |
| Colors | Black White Blue Gray | Black Gold Blue |
| Body materials | Plastic | Aluminium alloy |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Micro-SIM | Nano-SIM / microSD Nano-SIM |
| Number of SIM cards | 2 | 2 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | - |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | - | CDMA 800 MHz |
| W-CDMA | - | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | - |
| LTE | LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz |
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies | UMTS EDGE GPRS HSPA+ LTE Cat 4 TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE EV-DO Rev. A TD-SCDMA TD-HSDPA |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android 4.4.4 KitKat Android 5.1.1 Lollipop | MIUI V9.5 (Android 8.1 Oreo) MIUI V10 (Android 8.1 Oreo) MIUI V10.2 (Android 9.0 Pie) |
| User interface (UI) | Sense | - |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | Qualcomm Snapdragon 410 MSM8916 | Qualcomm Snapdragon 636 |
| Process technology | 28 nm | 14 nm |
| CPU | ARM Cortex-A53 | 4x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 260 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8 | ARMv8 |
| Level 0 cache memory (L0) | 4 KB + 4 KB | - |
| Level 1 cache memory (L1) | 16 KB + 16 KB | - |
| Level 2 cache memory (L2) | 2048 KB 2 MB | - |
| CPU cores | 4 | 8 |
| CPU frequency | 1200 MHz | 1800 MHz |
| GPU | Qualcomm Adreno 306 | Qualcomm Adreno 509 |
| GPU frequency | 400 MHz | - |
| RAM capacity | 1 GB | 4 GB 6 GB |
| RAM type | LPDDR3 | LPDDR4X |
| RAM channels | Single channel | Double channel |
| RAM frequency | 533 MHz | 1333 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 8 GB | 64 GB 128 GB |
| - | eMMC 5.1 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD microSDHC microSDXC |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | TFT | IPS |
| Diagonal size | 5 in 127 mm 12.7 cm | 6.9 in 175.26 mm 17.53 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 3.09 in 78.38 mm 7.84 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 6.17 in 156.76 mm 15.68 cm |
| Aspect ratio | 1.778:1 16:9 | 2:1 2:1 (18:9) |
| Resolution | 720 x 1280 pixels | 1080 x 2160 pixels |
| Pixel density | 294 ppi 115 ppcm | 350 ppi 137 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 63.36 % | 80.06 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch |
| - | 2.5D curved glass screen 1500:1 contrast ratio 84% NTSC |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer | Proximity Light Accelerometer Compass Gyroscope Fingerprint Hall |
Rear camera
The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | - | Samsung S5K2L7 |
| Sensor type | CMOS BSI | ISOCELL |
| Sensor format | - | 1/2.56" |
| Pixel size | - | 1.4 µm 0.001400 mm |
| Aperture | - | f/1.9 |
| Focal length and 35 mm equivalent | - | 3.94 mm |
| Flash type | LED | Dual LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Autofocus Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| - | Phase detection with Dual Pixel 720p @ 120 fps Secondary rear camera - 5 MP Sensor model - Samsung S5K5E8 (#2) Sensor size - 1/5" (#2) Pixel size - 1.12 μm (#2) Aperture size - f/2.0 (#2) |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Sensor model | - | Samsung S5K4H7 |
| Sensor type | - | ISOCELL |
| Sensor format | - | 1/4" |
| Pixel size | - | 1.12 µm 0.001120 mm |
| Aperture | - | f/2 |
| Focal length and 35 mm equivalent | - | 2.99 mm |
| Image resolution | 2560 x 1920 pixels 4.92 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | - | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS | GPS A-GPS GLONASS BeiDou |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 5.0 |
| Features | A2DP | A2DP EDR HID LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | USB Type-C |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage | Charging Host Mass storage On-The-Go |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Infrared VoLTE |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | HTML HTML5 CSS 3 | HTML HTML5 CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | AAC AMR AMR-WB aptX eAAC+ M4A MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | 3GPP 3GPP2 AVI H.263 H.264 MP4 WMV | 3GPP AVI DivX H.263 H.264 H.265 MKV QuickTime MP4 VC-1 WebM WMV Xvid |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 2100 mAh | 5500 mAh |
| Type | Li-Polymer | Li-Polymer |
| 2G talk time | 19 h 12 min 19.2 h 1152 min 0.8 days | - |
| 2G stand-by time | 525 h 31500 min 21.9 days | - |
| 3G talk time | 19 h 12 min 19.2 h 1152 min 0.8 days | - |
| 3G stand-by time | 525 h 31500 min 21.9 days | - |
| Charger output power | - | 5 V / 2 A 9 V / 2 A |
| Quick charge technology | - | Qualcomm Quick Charge 3.0 |
| Features | Removable | Fast charging Non-removable |
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
| Head SAR (EU) | - | 1.584 W/kg |
| Body SAR (EU) | - | 1.417 W/kg |
| Head SAR (USA) | 0.362 W/kg | - |
| Body SAR (USA) | 0.534 W/kg | - |
| HTC Desire 620 | Xiaomi Mi Max 3 |