Comparison between:
- REDMAGIC Astra
- Xiaomi Redmi K Pad
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| REDMAGIC Astra | Xiaomi Redmi K Pad | |
![]() | ![]() | |
| Model alias | NP05J | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 207 mm 20.7 cm 0.679 ft 8.15 in | 205.13 mm 20.513 cm 0.673 ft 8.076 in |
| Height | 134.2 mm 13.42 cm 0.44 ft 5.283 in | 132.03 mm 13.203 cm 0.433 ft 5.198 in |
| Thickness | 6.9 mm 0.69 cm 0.023 ft 0.272 in | 6.46 mm 0.646 cm 0.021 ft 0.254 in |
| Weight | 370 g 0.82 lbs 13.05 oz | 326 g 0.72 lbs 11.5 oz |
| Volume | 191.68 cm³ 11.64 in³ | 174.96 cm³ 10.63 in³ |
| Colors | Eclipse Starfrost | Deep Black Spruce Green Smoky Purple |
| Body materials | Aluminium alloy | Metal |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Аndrоid 15 | Хiаоmi НyреrОS 2.0 |
| User interface (UI) | REDMAGIC OS 10.5 | - |
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 | Quаlсоmm Snарdrаgоn 8 Еlitе (SМ8750-АВ) | МеdiаТеk Dimеnsity 9400+ |
| Process technology | 3 nm | 3 nm |
| CPU | 2х 4.32 GНz, 6х 3.53 GНz | 1х 3.73 GНz АRМ Соrtех-Х4, 3х 3.3 GНz АRМ Соrtех-Х4, 4х 2.4 GНz АRМ Соrtех-А720 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv9.2-A | ARMv9.2-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB |
| Level 2 cache memory (L2) | 2400 KB 2.34375 MB | - |
| CPU cores | 8 | 8 |
| CPU frequency | 4320 MHz | 3730 MHz |
| GPU | Qualcomm Adreno 830 | Immortalis G925 MC12 |
| GPU cores | - | 12 |
| GPU frequency | 1100 MHz | - |
| RAM capacity | 12 GB 16 GB 24 GB | 8 GB 12 GB 16 GB |
| RAM type | LPDDR5T | LPDDR5X |
| RAM channels | Quad channel | Quad channel |
| RAM frequency | 4700 MHz | 4166 MHz |
| 13-layer ICE-X cooling system Liquid Metal 2.0 Dual-layer sandwich vapor chambers Turbofan with 17 x 17 mm shark-fin blades and 20000 rpm | 12050 mm² cooling system |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB 512 GB 1024 GB | 256 GB 512 GB 1024 GB |
| UFS 2.0 | UFS 4.1 |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | OLED | IPS |
| Diagonal size | 9.06 in 230.12 mm 23.01 cm | 8.8 in 223.52 mm 22.35 cm |
| Width | 3.88 in 98.51 mm 9.85 cm | 3.94 in 99.96 mm 10 cm |
| Height | 8.19 in 207.97 mm 20.8 cm | 7.87 in 199.92 mm 19.99 cm |
| Aspect ratio | 2.111:1 | 2:1 2:1 (18:9) |
| Resolution | 720 x 1520 pixels | 720 x 1440 pixels |
| Pixel density | 186 ppi 73 ppcm | 183 ppi 71 ppcm |
| Color depth | 30 bit 1073741824 colors | 36 bit 68719476736 colors |
| Display area | 73.99 % | 74.03 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen Corning Gorilla Glass Synaptics touch chip 165 Hz refresh rate 240 Hz touch sampling rate 1100 cd/m² HBM 1600 cd/m² global peak brightness 100% DCI-P3 1000000:1 5280 PWM dimming DC Dimming SGS Low Blue Light Certified | Corning Gorilla Glass 5 165 Hz refresh rate 372 Hz touch sampling rate 700 cd/m² HBM DCI-P3 HDR Vivid HDR10 Dolby Vision TÜV Rheinland Flicker-free Certified TÜV Rheinland Low Blue Light Certified TÜV Rheinland Circadian Friendly Certified |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Light Accelerometer Gyroscope Pedometer Geomagnetic Magnetometer Fingerprint | Proximity Light Accelerometer Gyroscope Geomagnetic |
| Side-mounted fingerprint sensor by Goodix Dual 0815 X-axis linear motors | X-axis linear motor |
Main rear camera
The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | OmniVision OV13B10 | OmniVision OV13B |
| Sensor type | PureCel | PureCel |
| Sensor format | 1/3.06" | 1/3.06" |
| Pixel size | 1.12 µm 0.001120 mm | 1.12 µm 0.001120 mm |
| Aperture | f/2.4 | f/2.2 |
| Focal length and 35 mm equivalent | 2.85 mm 21 mm *(35 mm / full frame) | - |
| Flash type | Dual LED | - |
| Image resolution | 4130 x 3120 pixels 12.89 MP | 4130 x 3120 pixels 12.89 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Autofocus Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus White balance settings ISO settings Exposure compensation | Autofocus Digital zoom Digital image stabilization Geotagging HDR Touch focus Phase detection autofocus (PDAF) |
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 | OmniVision OV08X | OmniVision OV08F |
| Sensor type | PureCel | PureCel |
| Sensor format | 1/5.66" | 1/4" |
| Pixel size | 0.7 µm 0.000700 mm | 1.12 µm 0.001120 mm |
| Aperture | f/2.2 | f/2.28 |
| Focal length and 35 mm equivalent | 1.85 mm 15.8 mm *(35 mm / full frame) | - |
| Image resolution | 3456 x 2222 pixels 7.68 MP | 3520 x 2270 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 detection Face unlock | Face detection Face unlock HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Stereo speakers | Loudspeaker Stereo speakers |
| DTS: X Ultra 3D Stereo Dual 1620 speakers Dual microphone with stereo sound recording | Two stereo speakers Three microphones Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GРS А-GРS | GРS А-GРS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi 7 (802.11bе) Wi-Fi Disрlаy 802.11а 802.11аd | 802.11а 802.11b 802.11g Wi-Fi 6 (802.11ах) Wi-Fi 7 (802.11bе) Wi-Fi Disрlаy 802.11а |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.4 | 5.4 |
| Features | A2DP LE | A2DP LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB |
| Version | 3.2 | 3.2 |
| Features | Charging Mass storage On-The-Go | Charging Host Mass storage On-The-Go |
| Gen 2 - 10 Gbps DisplayPort Alt Mode | Gen 1 - 5 Gbps Second USB 2.0 Type-C port |
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 | No | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering |
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 AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AMR FLAC MP3 OGG WAV APE AWB |
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 AVI H.263 H.264 H.265 MP4 VP9 WebM WMV Xvid | 3GPP MKV MP4 WebM |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 8200 mAh | 7500 mAh |
| Type | Li-Polymer | Li-Polymer |
| Charger output power | 11 V / 7.25 A | 10 V / 6.7 A |
| Features | Fast charging Non-removable | Fast charging Non-removable |
| Bypass charging | - |
| REDMAGIC Astra | Xiaomi Redmi K Pad |





