Comparison between:
- Nomu S10
- Xiaomi Redmi 9
- Xiaomi Redmi 8
- Xiaomi Redmi 9A
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Nomu S10 | Xiaomi Redmi 9 | Xiaomi Redmi 8 | Xiaomi Redmi 9A | |
 |  Prices |  |  Prices | |
| Model alias | - | M2004J19G Redmi 9 Prime M2004J19AG M2004J19C M2004C3MI | Redmi8 Red Rice 8 Red Rice8 M1908C3IC MZB8257IN; M1908C3II M1908C3IG M1908C3IH | M2006C3LG M2006C3LI M2006C3LC M2004C3L |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.9 mm 7.59 cm 0.249 ft 2.988 in | 77.01 mm 7.701 cm 0.253 ft 3.032 in | 75.41 mm 7.541 cm 0.247 ft 2.969 in | 75.9 mm 7.59 cm 0.249 ft 2.988 in |
| Height | 146.6 mm 14.66 cm 0.481 ft 5.772 in | 163.32 mm 16.332 cm 0.536 ft 6.43 in | 156.48 mm 15.648 cm 0.513 ft 6.161 in | 164.4 mm 16.44 cm 0.539 ft 6.472 in |
| Thickness | 13.95 mm 1.395 cm 0.046 ft 0.549 in | 9.1 mm 0.91 cm 0.03 ft 0.358 in | 9.4 mm 0.94 cm 0.031 ft 0.37 in | 9.1 mm 0.91 cm 0.03 ft 0.358 in |
| Weight | 221 g 0.49 lbs 7.81 oz | 198 g 0.44 lbs 6.98 oz | 188 g 0.41 lbs 6.63 oz | 196 g 0.43 lbs 6.91 oz |
| Volume | 155.22 cm³ 9.43 in³ | 114.45 cm³ 6.95 in³ | 110.92 cm³ 6.74 in³ | 113.55 cm³ 6.9 in³ |
| Colors | Black Orange | Midnight Grey Forest Green Polar White | Onyx Black Ruby Red Sapphire Blue | Granite Gray Peacook Green Sky Blue |
| Body materials | Aluminium alloy Polycarbonate | Plastic | Plastic | Plastic |
| 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 | Micro-SIM Nano-SIM / microSD | Nano-SIM | Nano-SIM | Nano-SIM |
| Number of SIM cards | 2 | 2 | 2 | 2 |
| Features | - | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | 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 (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | GSM 850 MHz (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) |
| CDMA | - | CDMA 800 MHz (BC0) | CDMA 800 MHz (BC0) CDMA 1900 MHz (BC1) | - |
| W-CDMA | W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| TD-SCDMA | - | - | TD-SCDMA 2000 MHz | - |
| LTE | LTE 800 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) | LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) |
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 | UMTS EDGE GPRS HSPA+ LTE Cat 12 EV-DO Rev. A | UMTS EDGE GPRS HSPA+ LTE | UMTS EDGE GPRS HSPA+ LTE Cat 4 |
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 6.0 Marshmallow | MIUI V12 (Android 10) MIUI V12.5 (Android 11) | MIUI 10 (Android 9.0 Pie) | MIUI 12 (Android 10) |
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 MT6737T | MediaTek Helio G80 (MT6769T) | Qualcomm Snapdragon 439 (SDM439) | MediaTek Helio G25 (MT6762G) |
| Process technology | 28 nm | 12 nm | 12 nm | 12 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53 | 2x 2.0 GHz ARM Cortex-A75, 6x 1.8 GHz ARM Cortex-A55 | 4x 1.95 GHz ARM Cortex-A53, 4x 1.45 GHz ARM Cortex-A53 | 4x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.2-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 32 KB + 32 KB | - | - | - |
| Level 2 cache memory (L2) | 512 KB 0.5 MB | - | - | - |
| CPU cores | 4 | 8 | 8 | 8 |
| CPU frequency | 1500 MHz | 2000 MHz | 1950 MHz | 2000 MHz |
| GPU | ARM Mali-T720 MP2 | ARM Mali-G52 2EEMC2 | Qualcomm Adreno 505 | IMG PowerVR GE8320 |
| GPU cores | 2 | 2 | - | - |
| GPU frequency | 600 MHz | 950 MHz | 650 MHz | 650 MHz |
| RAM capacity | 2 GB | 3 GB 4 GB 6 GB | 3 GB 4 GB | 2 GB |
| RAM type | LPDDR3 | LPDDR4X | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Double channel | Single channel | Single channel |
| RAM frequency | 733 MHz | 1800 MHz | 800 MHz | 933 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 32 GB 64 GB 128 GB | 32 GB 64 GB | 32 GB |
| - | eMMC 5.1 | eMMC 5.1 | 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 | microSD microSDHC microSDXC | miniSD microSDHC microSDXC |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IGZO | IPS | IPS | IPS |
| Diagonal size | 5 in 127 mm 12.7 cm | 6.53 in 165.86 mm 16.59 cm | 6.22 in 157.99 mm 15.8 cm | 6.53 in 165.86 mm 16.59 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 2.74 in 69.51 mm 6.95 cm | 2.66 in 67.63 mm 6.76 cm | 2.68 in 68.06 mm 6.81 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 5.93 in 150.6 mm 15.06 cm | 5.62 in 142.78 mm 14.28 cm | 5.95 in 151.25 mm 15.13 cm |
| Aspect ratio | 1.778:1 16:9 | 2.167:1 | 2.111:1 | 2.222:1 |
| Resolution | 720 x 1280 pixels | 1080 x 2340 pixels | 720 x 1520 pixels | 720 x 1600 pixels |
| Pixel density | 294 ppi 115 ppcm | 395 ppi 155 ppcm | 270 ppi 106 ppcm | 269 ppi 105 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 62.14 % | 83.49 % | 82.1 % | 82.77 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Display manufacturer - Sharp Corning Gorilla Glass 3 1000:1 contrast ratio 500 cd/m² 84% NTSC Viewing angle - 178° | 2.5D curved glass screen Corning Gorilla Glass 3 400 cd/m² 70% NTSC 1500:1 TÜV Rheinland Certified Reading Mode | In-cell 2.5D curved glass screen Corning Gorilla Glass 5 1500:1 70.8% NTSC | 2.5D curved glass screen |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Compass Fingerprint | Proximity Light Accelerometer |
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 | Sony IMX219PQ Exmor R | - | Sony IMX363 Exmor RS | - |
| Sensor type | CMOS BSI | CMOS | CMOS | CMOS |
| Sensor size | 3.67 x 2.76 mm 0.18 in | - | - | - |
| Sensor format | - | - | 1/2.55" | - |
| Pixel size | 1.124 µm 0.001124 mm | - | 1.4 µm 0.001400 mm | 1.12 µm 0.001120 mm |
| Crop factor | 9.42 | - | - | - |
| ISO | 100 - 1600 | - | - | - |
| Aperture | f/2.8 | f/2.2 | f/1.8 | f/1.8 |
| Focal length and 35 mm equivalent | 3.5 mm 32.98 mm *(35 mm / full frame) | - | - | - |
| Field of view | - | 75.2 ° | - | - |
| Number of lenses | 5 | - | 6 | - |
| Flash type | LED | LED | Dual LED | LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 MP | 4032 x 3024 pixels 12.19 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode RAW Phase detection autofocus (PDAF) | Autofocus Digital zoom Digital 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 Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) | Autofocus Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| Interpolated resolution - 13 MP | Secondary rear camera - 8 MP (ultra-wide) Sensor model - OmniVision OV8856 (#2) GalaxyCore GC8034 version also available(#2) Sensor size - 1/4" (#2) Pixel size - 1.12 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 118° (#2) Focal length (35 mm equivalent) - 13 mm (#2) Third rear camera - 2MP (depth-sensing) Sensor model - GalaxyCore GC02M1 (#3) Sensor size - 1/5" (#3) Pixel size - 1.75 μm (#3) Aperture size - f/2.4 (#3) Fourth rear camera - 5MP (macro) Pixel size - 1.12 μm (#4) Aperture size - f/2.4 (#4) | Phase detection with Dual Pixel Secondary rear camera - 2 MP (depth-sensing) | - |
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 | GalaxyCore GC2755 | - | - | - |
| Sensor type | CMOS | - | - | - |
| Sensor format | 1/5" | - | - | - |
| Pixel size | 1.6 µm 0.001600 mm | - | 1.12 µm 0.001120 mm | - |
| Aperture | f/2.4 | f/2 | f/2 | f/2.4 |
| Focal length and 35 mm equivalent | - | - | - | 27 mm *(35 mm / full frame) |
| Field of view | - | 77.8 ° | - | - |
| Number of lenses | 3 | - | - | - |
| Image resolution | 1936 x 1096 pixels 2.12 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | - | Face unlock HDR Face detection | Face unlock | Face unlock HDR |
| Interpolated resolution - 5 MP | - | - | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| NXP Smart PA | Smart PA Dual microphones with active noise cancellation 1216 linear speaker Vibration motor | Smart PA | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | 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 Galileo Beidou | GPS A-GPS BeiDou | GPS A-GPS GLONASS BeiDou Galileo |
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 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 | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 5.0 | 4.2 | 5.0 |
| Features | A2DP EDR LE | A2DP EDR HID LE | A2DP LE | 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 | USB Type-C | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Host Mass storage On-The-Go | Charging 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 | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Infrared Tethering NFC VoLTE ViLTE VoWiFi | Computer sync OTA sync Infrared Tethering VoLTE | Computer sync OTA sync Tethering VoLTE |
| - | NFC market dependent | - | - |
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 | 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 eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC |
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 Flash Video MKV QuickTime MP4 WebM WMV Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 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 | 5000 mAh | 5020 mAh | 5000 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Ion | Li-Polymer | Li-Polymer |
| 2G talk time | 30 h 1800 min 1.3 days | - | - | - |
| 2G stand-by time | 580 h 34800 min 24.2 days | - | - | - |
| 3G talk time | 30 h 1800 min 1.3 days | - | - | - |
| 3G stand-by time | 580 h 34800 min 24.2 days | - | - | - |
| Charger output power | 5 V / 2 A 7 V / 2 A 9 V / 2 A | 5 V / 2 A 9 V / 2 A | 5 V / 2 A 9 V / 2 A | 5 V / 2 A |
| Quick charge technology | MediaTek Pump Express 3.0 | Qualcomm Quick Charge 3.0 | - | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-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) | - | 0.789 W/kg | 0.231 W/kg | 0.398 W/kg |
| Body SAR (EU) | - | 1.065 W/kg | 1.48 W/kg | 1.186 W/kg |
| Head SAR (USA) | - | 1.084 W/kg | 0.478 W/kg | 0.901 W/kg |
| Body SAR (USA) | - | 1.049 W/kg | 1.074 W/kg | 0.647 W/kg |
| Head SAR (India) | - | 0.506 W/kg | 0.339 W/kg | 0.528 W/kg |
| Body SAR (India) | - | 0.833 W/kg | 1 W/kg | 0.791 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | P2i splash-proof nano-coating Redmi 9 Prime - Matte Black Mint Green Space Blue Sunrise Flare | M1908C3II - SAR (Specific Absorption Rate) India: head - 0.339 W/kg; body - 1.000 W/kg P2i nano-coating | - |
| Nomu S10 | Xiaomi Redmi 9 | Xiaomi Redmi 8 | Xiaomi Redmi 9A |