Comparison between:
- YU Ace
- Xiaomi Redmi 9A
- Xiaomi Redmi 9A Sport
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| YU Ace | Xiaomi Redmi 9A | Xiaomi Redmi 9A Sport | |
 |  Prices |  | |
| Model alias | - | 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 | 70.9 mm 7.09 cm 0.233 ft 2.791 in | 75.9 mm 7.59 cm 0.249 ft 2.988 in | 77.07 mm 7.707 cm 0.253 ft 3.034 in |
| Height | 148 mm 14.8 cm 0.486 ft 5.827 in | 164.4 mm 16.44 cm 0.539 ft 6.472 in | 164.9 mm 16.49 cm 0.541 ft 6.492 in |
| Thickness | 9.6 mm 0.96 cm 0.031 ft 0.378 in | 9.1 mm 0.91 cm 0.03 ft 0.358 in | 9 mm 0.9 cm 0.03 ft 0.354 in |
| Weight | - | 196 g 0.43 lbs 6.91 oz | 194 g 0.43 lbs 6.84 oz |
| Volume | 100.73 cm³ 6.12 in³ | 113.55 cm³ 6.9 in³ | 114.38 cm³ 6.95 in³ |
| Colors | Gray Rose-gold Blue | Granite Gray Peacook Green Sky Blue | Carbon Black Coral Green Metallic Blue |
| Body materials | Aluminium alloy 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 | Nano-SIM |
| Number of SIM cards | 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) |
| W-CDMA | W-CDMA 900 MHz W-CDMA 2100 MHz | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| LTE | LTE 850 MHz LTE 1800 MHz LTE 2100 MHz 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) | 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) |
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 Class 12 HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 4 | 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 8.0 Oreo | MIUI 12 (Android 10) | 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 MT6739 | MediaTek Helio G25 (MT6762G) | MediaTek Helio G25 (MT6762G) |
| Process technology | 28 nm | 12 nm | 12 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53 | 4x 2.0 GHz ARM Cortex-A53, 4x 1.5 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 |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A |
| CPU cores | 4 | 8 | 8 |
| CPU frequency | 1500 MHz | 2000 MHz | 2000 MHz |
| GPU | IMG PowerVR GE8100 | IMG PowerVR GE8320 | IMG PowerVR GE8320 |
| GPU frequency | 570 MHz | 650 MHz | 650 MHz |
| RAM capacity | 3 GB | 2 GB | 2 GB 3 GB |
| RAM type | LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel |
| RAM frequency | 667 MHz | 933 MHz | 933 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 32 GB | 32 GB |
| eMMC | 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 | miniSD 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 | IPS | IPS | IPS |
| Diagonal size | 5.45 in 138.43 mm 13.84 cm | 6.53 in 165.86 mm 16.59 cm | 6.58 in 167.13 mm 16.71 cm |
| Width | 2.44 in 61.91 mm 6.19 cm | 2.68 in 68.06 mm 6.81 cm | 2.7 in 68.59 mm 6.86 cm |
| Height | 4.87 in 123.82 mm 12.38 cm | 5.95 in 151.25 mm 15.13 cm | 6 in 152.41 mm 15.24 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2.222:1 | 2.222:1 |
| Resolution | 720 x 1440 pixels | 720 x 1600 pixels | 720 x 1600 pixels |
| Pixel density | 295 ppi 115 ppcm | 269 ppi 105 ppcm | 267 ppi 104 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 73.28 % | 82.77 % | 82.52 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen | 2.5D curved glass screen | 2.5D curved glass screen 400 cd/m² 1500:1 70% NTSC TÜV Rheinland Certification for Reading Mode |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Fingerprint | Proximity Light Accelerometer | 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 type | CMOS | CMOS | CMOS |
| Pixel size | - | 1.12 µm 0.001120 mm | 1 µm 0.001000 mm |
| Aperture | - | f/1.8 | f/2.2 |
| Flash type | LED | LED | LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 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 |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | 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 | 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) | 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) |
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 | - | - |
| Pixel size | - | - | 1.12 µm 0.001120 mm |
| Aperture | - | f/2.4 | f/2.2 |
| Focal length and 35 mm equivalent | - | 27 mm *(35 mm / full frame) | 27 mm *(35 mm / full frame) |
| Auxiliary light | LED | - | - |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 1600 x 1200 pixels 1.92 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 640 x 480 pixels 0.31 MP | 1280 x 720 pixels 0.92 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | Face unlock | Face unlock HDR | Face unlock HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
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 | GPS A-GPS | GPS A-GPS GLONASS BeiDou Galileo | 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 | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 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 | 4.1 | 5.0 | 5.0 |
| Features | A2DP LE | A2DP EDR HID 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 | Micro USB | USB Type-C |
| 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 Tethering VoLTE | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering 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 | 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 eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | 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 MKV 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 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | 25 h 1500 min 1 days | - | - |
| 3G talk time | 25 h 1500 min 1 days | - | - |
| Charger output power | - | 5 V / 2 A | 5 V / 2 A |
| Features | 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) | - | 0.398 W/kg | - |
| Body SAR (EU) | - | 1.186 W/kg | - |
| Head SAR (USA) | - | 0.901 W/kg | - |
| Body SAR (USA) | - | 0.647 W/kg | - |
| Head SAR (India) | - | 0.528 W/kg | - |
| Body SAR (India) | - | 0.791 W/kg | - |
| YU Ace | Xiaomi Redmi 9A | Xiaomi Redmi 9A Sport |