Comparison between:
- Xiaomi Redmi 9
- Xiaomi Redmi A2
- Samsung Galaxy S5 Neo
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi 9 | Xiaomi Redmi A2 | Samsung Galaxy S5 Neo | |
 |  |  | |
| Model alias | M2004J19G Redmi 9 Prime M2004J19AG M2004J19C M2004C3MI | - | SM-G903F G903F SM-G903W G903W |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 77.01 mm 7.701 cm 0.253 ft 3.032 in | 76.75 mm 7.675 cm 0.252 ft 3.022 in | 72.5 mm 7.25 cm 0.238 ft 2.854 in |
| Height | 163.32 mm 16.332 cm 0.536 ft 6.43 in | 164.9 mm 16.49 cm 0.541 ft 6.492 in | 142 mm 14.2 cm 0.466 ft 5.591 in |
| Thickness | 9.1 mm 0.91 cm 0.03 ft 0.358 in | 9.09 mm 0.909 cm 0.03 ft 0.358 in | 8.1 mm 0.81 cm 0.027 ft 0.319 in |
| Weight | 198 g 0.44 lbs 6.98 oz | 192 g 0.42 lbs 6.77 oz | 145 g 0.32 lbs 5.11 oz |
| Volume | 114.45 cm³ 6.95 in³ | 115.04 cm³ 6.99 in³ | 83.39 cm³ 5.06 in³ |
| Colors | Midnight Grey Forest Green Polar White | Light Green Light Blue Black | Black Gold Silver |
| Body materials | Plastic | Plastic | Plastic |
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 | Nano-SIM | Micro-SIM |
| Number of SIM cards | 2 | 2 | 1 |
| 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) | - |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz (В5) GSМ 900 МНz (В8) GSМ 1900 МНz (В2) | GSМ 850 МНz GSМ 900 МНz GSМ 1900 МНz |
| CDMA | CDMA 800 MHz (BC0) | - | - |
| W-CDMA | 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 2100 MHz (B1) | - |
| UMTS | - | - | UМТS 900 МНz UМТS 1900 МНz UМТS 2100 МНz UМТS 1700/2100 МНz (SМ-G903W) |
| LTE | LТЕ-FDD 700 МНz (В28) LТЕ-FDD 800 МНz (В20) LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1700 МНz (В4) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 1900 МНz (В2) LТЕ-FDD 2100 МНz (В1) LТЕ-FDD 2600 МНz (В7) LТЕ-ТDD 2300 МНz (В40) LТЕ-ТDD 2600 МНz (В38) | LТЕ-FDD 850 МНz (В5) LТЕ-FDD 900 МНz (В8) LТЕ-FDD 1800 МНz (В3) LТЕ-FDD 2100 МНz (В1) LТЕ-ТDD 2500 МНz (В41) | LТЕ 800 МНz LТЕ 850 МНz LТЕ 1800 МНz LТЕ 2100 МНz LТЕ 2600 МНz LТЕ 900 МНz (SМ-G903F) LТЕ 1900 МНz (SМ-G903W) LТЕ 1700/2100 МНz (SМ-G903W) LТЕ 700 МНz (В12) (SМ-G903W) LТЕ 700 МНz Сlаss 13 (SМ-G903W) LТЕ 700 МНz (В29) (SМ-G903W) |
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 | UМТS GРRS LТЕ Саt 12 | UМТS GРRS LТЕ | UМТS GРRS LТЕ Саt 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) | МΙUΙ V12 (Аndrоid 10) МΙUΙ V12.5 (Аndrоid 11) | Аndrоid 12 Gо еditiоn | Аndrоid 5.1.1 Lоlliрор Аndrоid 6.0 Маrshmаllоw Аndrоid 7.0 Νоugаt |
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 | МеdiаТеk Неliо G80 (МТ6769Т) | МеdiаТеk Неliо G36 | Sаmsung Ехynоs 7 Осtа 7580 |
| Process technology | 12 nm | 12 nm | 28 nm |
| CPU | 2х 2.0 GНz АRМ Соrtех-А75, 6х 1.8 GНz АRМ Соrtех-А55 | 4х 2.2 GНz АRМ Соrtех-А53, 4х 1.8 GНz АRМ Соrtех-А53 | 8х 1.6 GНz АRМ Соrtех-А53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | 16 KB + 16 KB | 16 KB + 16 KB |
| CPU cores | 8 | 8 | 8 |
| CPU frequency | 2000 MHz | 2200 MHz | 1600 MHz |
| GPU | ARM Mali-G52 2EEMC2 | IMG PowerVR GE8320 | ARM Mali-T720 MP2 |
| GPU cores | 2 | - | 2 |
| GPU frequency | 950 MHz | 680 MHz | 600 MHz |
| RAM capacity | 3 GB 4 GB 6 GB | 2 GB 3 GB | 2 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR3 |
| RAM channels | Double channel | Double channel | Double channel |
| RAM frequency | 1700 MHz | 1500 MHz | 833 MHz |
| - | Virtual RAM expansion - 2 GB | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB 64 GB 128 GB | 32 GB | 16 GB |
| 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 |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | IPS | IPS | Super AMOLED |
| Diagonal size | 6.53 in 165.86 mm 16.59 cm | 6.52 in 165.61 mm 16.56 cm | 5.1 in 129.54 mm 12.95 cm |
| Width | 2.92 in 74.18 mm 7.42 cm | 3.2 in 81.19 mm 8.12 cm | 2.18 in 55.45 mm 5.55 cm |
| Height | 5.84 in 148.35 mm 14.84 cm | 5.68 in 144.34 mm 14.43 cm | 4.61 in 117.07 mm 11.71 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 1.778:1 16:9 | 2.111:1 |
| Resolution | 720 x 1440 pixels | 1080 x 1920 pixels | 720 x 1520 pixels |
| Pixel density | 247 ppi 97 ppcm | 338 ppi 132 ppcm | 330 ppi 129 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 87.77 % | 92.9 % | 63.26 % |
| Other features | Capacitive Scratch resistant | Capacitive Scratch resistant | Capacitive Multi-touch |
| 2.5D curved glass screen Corning Gorilla Glass 3 400 cd/m² 70% NTSC 1500:1 TÜV Rheinland Certified Reading Mode | 2.5D curved glass screen 70% NTSC 400 cd/m² 1500:1 | - |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope | Accelerometer Virtual Proximity Virtual Light | Proximity Light Accelerometer Compass Gyroscope Hall |
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 type | CMOS | CMOS | CMOS |
| ISO | - | - | 100 - 800 |
| Aperture | f/2.2 | f/2 | f/1.9 |
| Focal length and 35 mm equivalent | - | - | 3.7 mm |
| Field of view | 75.2 ° | - | - |
| Flash type | LED | LED | LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 3264 x 2448 pixels 7.99 MP | 4608 x 3456 pixels 15.93 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 | 30 fps | 30 fps | 30 fps |
| Features | 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 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 |
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 model | OmniVision OV8856 | - | - |
| Sensor format | 1/4" | - | - |
| Pixel size | 1.12 µm 0.001120 mm | - | - |
| Aperture | f/2.2 | - | - |
| Focal length equivalent (35 mm) | 13 mm *(35 mm / full frame) | - | - |
| Field of view | 118 ° | - | - |
| Image resolution | 8 MP | - | - |
| GalaxyCore GC8034 version also available(#2) | - | - |
Macro camera
Specifications of the macro camera of the device. This type of camera in smartphones is used to snap close-up photos of tiny objects.
| Pixel size | 1.12 µm 0.001120 mm | - | - |
| Aperture | f/2.4 | - | - |
| Image resolution | 5 MP | - | - |
Depth-sensing camera
Specifications of the depth sensor of the device. Depth sensors measure the distance between the subject and the camera, enabling features such as bokeh in portraits.
| Sensor model | GalaxyCore GC02M1 | - | - |
| Sensor format | 1/5" | - | - |
| Pixel size | 1.75 µm 0.001750 mm | - | - |
| Aperture | f/2.4 | - | - |
| Image resolution | 2 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 type | - | CMOS BSI | - |
| Aperture | f/2 | f/2.2 | f/1.9 |
| Focal length and 35 mm equivalent | - | - | 2 mm |
| Field of view | 77.8 ° | - | - |
| Image resolution | 3520 x 2270 pixels 7.99 MP | 2560 x 1944 pixels 4.98 MP | 2576 x 1932 pixels 4.98 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 HDR Face detection | Face unlock | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Smart PA Dual microphones with active noise cancellation 1216 linear speaker Vibration motor | - | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GРS А-GРS | 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 Disрlаy 802.11а | 802.11а 802.11b 802.11g 802.11а | 802.11а 802.11b 802.11g 802.11а |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.0 | 4.2 |
| Features | A2DP EDR HID LE | A2DP EDR HID LE | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB | Micro USB |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging 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 |
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 Infrared Tethering VoLTE VoWiFi | Computer sync OTA sync Tethering NFC ANT+ |
| 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 |
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 AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | 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 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 Flash Video MKV MP4 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 | 5020 mAh | 5000 mAh | 2800 mAh |
| Type | Li-Ion | Li-Ion | Li-Ion |
| 2G talk time | - | - | 10 h 600 min 0.4 days |
| 3G talk time | - | - | 10 h 600 min 0.4 days |
| 4G talk time | - | 28 h 1680 min 1.2 days | - |
| 4G stand-by time | - | 626 h 37560 min 26.1 days | - |
| Charger output power | 5 V / 2 A 9 V / 2 A | 5 V / 2 A | - |
| Quick charge technology | Qualcomm Quick Charge 3.0 | - | - |
| Features | Fast charging Non-removable | Fast charging Non-removable | 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) | 1.239 W/kg | 1.237 W/kg | 0.707 W/kg |
| Body SAR (EU) | 1.485 W/kg | 1.307 W/kg | 0.733 W/kg |
| Head SAR (USA) | 1.454 W/kg | - | 1.145 W/kg |
| Body SAR (USA) | 1.409 W/kg | - | 1.46 W/kg |
| Head SAR (India) | 0.506 W/kg | - | - |
| Body SAR (India) | 0.833 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 | - | SM-G903W - SAR (Specific Absorption Rate) EU: head - 0.841 W/kg; body - 0.521 W/kg SM-G903W - SAR (Specific Absorption Rate) US: head - 1.030 W/kg; body - 1.270 W/kg |
| Xiaomi Redmi 9 | Xiaomi Redmi A2 | Samsung Galaxy S5 Neo |
