Comparison between:
- Xiaomi Redmi K90 Max
- Xiaomi Redmi K Pad 2
- Xiaomi Pad 8 Pro
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi K90 Max | Xiaomi Redmi K Pad 2 | Xiaomi Pad 8 Pro | |
 |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 77.93 mm 7.793 cm 0.256 ft 3.068 in | 204.98 mm 20.498 cm 0.673 ft 8.07 in | 251.22 mm 25.122 cm 0.824 ft 9.891 in |
| Height | 162.91 mm 16.291 cm 0.534 ft 6.414 in | 135.73 mm 13.573 cm 0.445 ft 5.344 in | 173.42 mm 17.342 cm 0.569 ft 6.828 in |
| Thickness | 8.18 mm 0.818 cm 0.027 ft 0.322 in | 6.62 mm 0.662 cm 0.022 ft 0.261 in | 5.75 mm 0.575 cm 0.019 ft 0.226 in |
| Weight | 227 g 0.5 lbs 8.01 oz | 345 g 0.76 lbs 12.17 oz | 485 g 1.07 lbs 17.11 oz |
| Volume | 103.85 cm³ 6.31 in³ | 184.18 cm³ 11.19 in³ | 250.51 cm³ 15.21 in³ |
| Colors | Space Silver Shadow Black Sky Blue | Deep Black Space Silver Electro Violet | Black Ice Blue Turquoise |
| Body materials | Aluminium alloy Glass | Metal | Metal |
| Certification | IP68 | - | - |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Nano-SIM | - | - |
| Number of SIM cards | 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 (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | - | - |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 850 MHz (B6) W-CDMA 900 MHz (B8) W-CDMA 900 MHz (B19) W-CDMA 1700 MHz (B4) W-CDMA 2100 MHz (B1) | - | - |
| LTE | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 850 MHz (B18) LTE-FDD 850 MHz (B19) LTE-FDD 850 MHz (B26) LTE-FDD 900 MHz (B8) LTE-FDD 1500 MHz (B32) LTE-FDD 1700 MHz (B4) LTE-FDD 1700 MHz (B66) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 1900 MHz (B25) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 1900 MHz (B39) LTE-TDD 2000 MHz (B34) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | - | - |
| 5G NR | 5G-FDD 700 MHz (n28) 5G-FDD 800 MHz (n20) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-SUL 700 MHz (n83) 5G-SUL 900 MHz (n81) 5G-SDL 1500 MHz (n75) 5G-FDD 1700 MHz (n66) 5G-FDD 1800 MHz (n3) 5G-SUL 1800 MHz (n80) 5G-SUL 1900 MHz (n84) 5G-FDD 2100 MHz (n1) 5G-TDD 2300 MHz (n40) 5G-TDD 2500 MHz (n41) 5G-FDD 2600 MHz (n7) 5G-TDD 2600 MHz (n38) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) 5G-TDD 4700 MHz (n79) | - | - |
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 EV-DO Rev. A 5G NSA 5G SA | - | - |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Xiaomi HyperOS 3.0 | Xiaomi HyperOS 3.0 (Android 16) | Xiaomi HyperOS 3.0 |
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 | MediaTek Dimensity 9500 | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite (SM8750-AB) |
| Process technology | 3 nm | 3 nm | 3 nm |
| CPU | 1x 4.21 GHz ARM Cortex-C1-Ultra, 3x ARM C1-Premium, 4x ARM C1-Pro | 1x 4.21 GHz ARM Cortex-C1-Ultra, 3x ARM C1-Premium, 4x ARM C1-Pro | 2x 4.32 GHz, 6x 3.53 GHz |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv9.2-A | ARMv9.2-A | ARMv9.2-A |
| Level 2 cache memory (L2) | - | - | 2400 KB 2.34375 MB |
| CPU cores | 8 | 8 | 8 |
| CPU frequency | 4210 MHz | 4210 MHz | 4320 MHz |
| GPU | ARM Mali-G1 Ultra MC12 | ARM Mali-G1 Ultra MC12 | Qualcomm Adreno 830 |
| GPU cores | 12 | 12 | - |
| GPU frequency | - | - | 1100 MHz |
| RAM capacity | 12 GB 16 GB | 8 GB 12 GB 16 GB | 8 GB 12 GB 16 GB |
| RAM type | LPDDR5X | LPDDR5X | LPDDR5T |
| RAM channels | Quad channel | Quad channel | Quad channel |
| RAM frequency | 5333 MHz | 5333 MHz | 4800 MHz |
| MediaTek NPU 990 D2 AI Graphics Chip - 12 nm TSMC | - | 8GB LPDDR5X @ 4266 MHz 12GB LPDDR5T @ 4800 MHz 16GB LPDDR5T @ 4800 MHz |
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 | 128 GB 256 GB 512 GB |
| UFS 4.1 | UFS 4.1 | 128GB UFS 3.1 256GB UFS 4.1 512GB 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 | AMOLED | IPS | IPS |
| Diagonal size | 6.83 in 173.48 mm 17.35 cm | 8.8 in 223.52 mm 22.35 cm | 11.2 in 284.48 mm 28.45 cm |
| Width | 2.86 in 72.73 mm 7.27 cm | 7.46 in 189.54 mm 18.95 cm | 9.32 in 236.61 mm 23.66 cm |
| Height | 6.2 in 157.5 mm 15.75 cm | 4.66 in 118.47 mm 11.85 cm | 6.22 in 157.94 mm 15.79 cm |
| Aspect ratio | 2.166:1 | 1.6:1 16:10 | 1.498:1 |
| Resolution | 1280 x 2772 pixels | 3008 x 1880 pixels | 3200 x 2136 pixels |
| Pixel density | 447 ppi 175 ppcm | 403 ppi 158 ppcm | 344 ppi 135 ppcm |
| Color depth | 36 bit 68719476736 colors | 36 bit 68719476736 colors | 36 bit 68719476736 colors |
| Display area | 90.52 % | 80.97 % | 86.05 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Xiaomi Dragon Crystal Glass 1-165 Hz adaptive refresh rate 480 Hz touch sampling rate 3500 Hz PWM dimming DC dimming 100% DCI-P3 3500 cd/m² peak brightness 12-bit color bit depth 100% DCI-P3 HDR Vivid HDR10+ Dolby Vision ZReal Circular Polarized Light 2.0 TUV Rheinland Low Blue Light Certified TUV Rheinalnd Flicker-free Certified TUV Rheinland EyeSafe Certified | Corning Gorilla Glass 5 165 Hz refresh rate 540 Hz touch sampling rate 1100 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 | 2.5D curved glass screen AG+AR coating 144 Hz refresh rate 360 Hz touch sampling rate 800 cd/m² peak brightness DCI-P3 HDR10 HDR Vivid 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 | Accelerometer Compass Gyroscope Barometer Fingerprint Hall Ultrasonic proximity sensor 360° ambient light sensor | Proximity Light Accelerometer Gyroscope Geomagnetic Fingerprint Hall | Proximity Accelerometer Gyroscope Geomagnetic Hall Front and Rear Light Sensors Flicker Sensor |
| X-axis linear motor In-display ultrasonic fingerprint sensor | Side-mounted fingerprint sensor 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 Light Hunter 800 | OmniVision OV13B | Samsung S5KJN1 |
| Sensor type | - | PureCel | ISOCELL |
| Sensor format | 1/1.55" | 1/3.06" | 1/2.76" |
| Pixel size | 1 µm 0.001000 mm | 1.12 µm 0.001120 mm | 0.64 µm 0.000640 mm |
| Aperture | f/1.68 | f/2.2 | f/1.8 |
| Focal length and 35 mm equivalent | 23 mm *(35 mm / full frame) | - | - |
| Number of lenses | 6 | - | - |
| Flash type | LED | - | - |
| Image resolution | 8120 x 6180 pixels 50.18 MP | 4130 x 3120 pixels 12.89 MP | 8120 x 6180 pixels 50.18 MP |
| Video resolution | 7680 x 4320 pixels 33.18 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps | 60 fps |
| Features | Autofocus Continuous shooting Digital zoom Optical zoom Digital image stabilization Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode Phase detection autofocus (PDAF) | Autofocus Digital zoom Digital image stabilization Geotagging HDR Touch focus Phase detection autofocus (PDAF) | Autofocus Digital zoom Digital image stabilization Geotagging HDR Touch focus Phase detection autofocus (PDAF) |
| 13.5EV native dynamic range | - | - |
Ultra-wide camera
Specifications of the ultra-wide camera of the device. This type of camera captures a wider field of view compared to the main camera.
| Sensor format | 1/4" | - | - |
| Aperture | f/2.2 | - | - |
| Number of lenses | 5 | - | - |
| Image resolution | 8 MP | - | - |
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 OV08F | OmniVision OV32D |
| Sensor type | CMOS | PureCel | PureCel |
| Sensor format | - | 1/4" | 1/3.6" |
| Pixel size | - | 1.12 µm 0.001120 mm | 1.22 µm 0.001220 mm |
| Aperture | - | f/2.28 | f/2.2 |
| Image resolution | 20 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 60 fps | 30 fps | 30 fps |
| Features | Face unlock Face detection | Face detection Face unlock HDR | Face detection Face unlock HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Stereo speakers | Loudspeaker Stereo speakers |
| Symmetrical stereo dual speakers Tuned by Bose Hi-Res Audio Hi-Res Audio Wireless | Two stereo speakers Three microphones Dolby Atmos Hi-Res Audio Hi-Res Audio Wireless | Four stereo speakers Four 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 | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou Galileo NavIC QZSS | - | - |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Wi-Fi 6 (802.11ax) Wi-Fi 6E (802.11ax) Wi-Fi 7 (802.11be) Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Wi-Fi 6 (802.11ax) Wi-Fi 7 (802.11be) Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Wi-Fi 6 (802.11ax) Wi-Fi 7 (802.11be) Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display |
| 2x2 MIMO 8x8 MU-MIMO | - | 2x2 MIMO 8x8 Sounding for MU-MIMO |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.4 | 5.4 | 5.4 |
| Features | A2DP EDR HID LE | A2DP LE | A2DP LE |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | USB Type-C | USB Type-C |
| Version | 2.0 | 3.2 | 3.2 |
| Features | Charging Mass storage On-The-Go | Charging Host Mass storage On-The-Go | Charging Mass storage On-The-Go |
| - | Gen 1 - 5 Gbps Second USB 2.0 Type-C port | Gen 1 - 5 Gbps Power Delivery DP Alt Mode |
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 | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering NFC VoLTE ViLTE VoWiFi | Computer sync OTA sync Tethering | Computer sync OTA sync Infrared 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 | 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 LHDC 5.0 LC3 APE AWB | AAC AMR FLAC MP3 OGG WAV APE AWB | AAC AAC+ AMR aptX aptX HD eAAC+ FLAC MP3 OGG WAV APE LDAC LHDC 5.0 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 DivX H.263 H.264 H.265 MKV MP4 VC-1 WebM WMV Xvid ASF | 3GPP MKV MP4 WebM | 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 | 8550 mAh | 9100 mAh | 9200 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| Charger output power | 10 V / 10 A | 10 V / 6.7 A | 10 V / 6.7 A |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable |
| 22.5W reverse wired charging Xiaomi Surge P3 charging chip Xiaomi Surge G2 BMS chip | 22.5W wired reverse charging | 22.5W reverse wired charging |
| Xiaomi Redmi K90 Max | Xiaomi Redmi K Pad 2 | Xiaomi Pad 8 Pro |