Comparison between:
- Oppo Reno8 Pro+
- Mlais M7
- Ulefone Armor 21
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Oppo Reno8 Pro+ | Mlais M7 | Ulefone Armor 21 | |
 |  |  | |
| Model alias | Reno 8 Pro+ Reno8 Pro Plus PFZM10 | - | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 74.2 mm 7.42 cm 0.243 ft 2.921 in | 76.8 mm 7.68 cm 0.252 ft 3.024 in | 81.6 mm 8.16 cm 0.268 ft 3.213 in |
| Height | 161.2 mm 16.12 cm 0.529 ft 6.346 in | 149.5 mm 14.95 cm 0.49 ft 5.886 in | 176 mm 17.6 cm 0.577 ft 6.929 in |
| Thickness | 7.34 mm 0.734 cm 0.024 ft 0.289 in | 8.6 mm 0.86 cm 0.028 ft 0.339 in | 18.1 mm 1.81 cm 0.059 ft 0.713 in |
| Weight | 183 g 0.4 lbs 6.46 oz | 160 g 0.35 lbs 5.64 oz | 400 g 0.88 lbs 14.11 oz |
| Volume | 87.79 cm³ 5.33 in³ | 98.74 cm³ 6 in³ | 259.94 cm³ 15.79 in³ |
| Colors | Roaming Grey Undercurrent Black Happy Green | White Black | Black |
| Body materials | Aluminium alloy Glass | Plastic Metal | Polycarbonate TPU Metal |
| Certification | - | - | IP68 IP69K MIL-STD-810H |
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 | Micro-SIM Mini-SIM | Nano-SIM Nano-SIM / microSD |
| 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 (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) | 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) |
| CDMA | CDMA 800 MHz (BC0) | - | - |
| 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 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 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) |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | - |
| LTE | LTE-FDD 700 MHz (B28) 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 1900 MHz (B39) LTE-TDD 2000 MHz (B34) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B17) LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 850 MHz (B19) LTE-FDD 900 MHz (B8) LTE-FDD 1700 MHz (B4) LTE-FDD 1700 MHz (B66) LTE-FDD 1800 MHz (B3) LTE-FDD 1900 MHz (B2) 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 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1800 MHz (n3) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) 5G-TDD 3700 MHz (n77) | - | - |
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 | EDGE GPRS HSPA+ LTE 5G NSA 5G SA | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE EV-DO Rev. A TD-SCDMA |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | ColorOS 12.1 (Android 12) | Android 5.0 Lollipop | Android 13 |
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 8100-MAX (MT6895Z) | MediaTek MT6752 | MediaTek Helio G99 (MT6789) |
| Process technology | 5 nm | 28 nm | 6 nm |
| CPU | 4x 2.85 GHz ARM Cortex-A78, 4x 2.0 GHz ARM Cortex-A55 | 8x 1.7 GHz ARM Cortex-A53 | 2x 2.2 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A55 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8-A | ARMv8.2-A |
| Level 1 cache memory (L1) | 512 KB + 512 KB | 32 KB + 32 KB | - |
| Level 2 cache memory (L2) | 1024 KB 1 MB | 512 KB 0.5 MB | - |
| Level 3 cache memory (L3) | 4096 KB 4 MB | - | - |
| CPU cores | 8 | 8 | 8 |
| CPU frequency | 2850 MHz | 1700 MHz | 2200 MHz |
| GPU | ARM Mali-G610 | ARM Mali-T760 MP2 | ARM Mali-G57 MC2 |
| GPU cores | 6 | 2 | 2 |
| GPU frequency | 860 MHz | 700 MHz | 1000 MHz |
| RAM capacity | 8 GB 12 GB | 3 GB | 8 GB |
| RAM type | LPDDR5 | LPDDR3 | LPDDR4X |
| RAM channels | Quad channel | Single channel | Double channel |
| RAM frequency | 3200 MHz | 800 MHz | 2133 MHz |
| NPU - MariSilicon X Supercrystalline graphene cooling system 32928 mm² total heat dissipation area | - | Virtual RAM expansion - 8GB |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB | 16 GB | 256 GB |
| UFS 3.1 | - | UFS 2.1 |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | - | 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 | AMOLED | IPS | IPS |
| Diagonal size | 6.7 in 170.18 mm 17.02 cm | 5.5 in 139.7 mm 13.97 cm | 6.58 in 167.13 mm 16.71 cm |
| Width | 2.74 in 69.55 mm 6.95 cm | 2.7 in 68.49 mm 6.85 cm | 2.69 in 68.4 mm 6.84 cm |
| Height | 6.11 in 155.32 mm 15.53 cm | 4.79 in 121.76 mm 12.18 cm | 6 in 152.5 mm 15.25 cm |
| Aspect ratio | 2.233:1 | 1.778:1 16:9 | 2.23:1 |
| Resolution | 1080 x 2412 pixels | 720 x 1280 pixels | 1080 x 2408 pixels |
| Pixel density | 394 ppi 154 ppcm | 267 ppi 104 ppcm | 401 ppi 157 ppcm |
| Color depth | 30 bit 1073741824 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 90.6 % | 72.87 % | 72.86 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 5 120 Hz refresh rate 360 Hz touch sampling rate 100% sRGB 100% DCI-P3 500 cd/m² typical brightness 800 cd/m² HBM 950 cd/m² peak brightness HDR10+ 8-bit+FRC (10-bit) color bit depth | Corning Gorilla Glass 3 OGS (One Glass Solution) Full Lamination Technology | Corning Gorilla Glass 5 - 1.1 mm Oleophobic coating 120 Hz refresh rate 240 Hz touch sampling rate 550 cd/m² maximum brightness |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Pedometer Geomagnetic Fingerprint Gravity | Proximity Light Accelerometer Fingerprint | Proximity Light Accelerometer Compass Gyroscope Barometer Pedometer Thermometer Geomagnetic Magnetometer Fingerprint Gravity Coulomb counter |
| In-display fingerprint sensor | - | Side-mounted fingerprint sensor |
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 | Sony IMX766 | Sony IMX135 Exmor RS | Sony IMX686 Exmor RS |
| Sensor type | CMOS BSI | CMOS | CMOS BSI |
| Sensor size | - | 4.69 x 3.52 mm 0.23 in | - |
| Sensor format | 1/1.56" | - | - |
| Pixel size | - | 0.964 µm 0.000964 mm | 0.8 µm 0.000800 mm |
| Crop factor | - | 7.38 | - |
| Aperture | f/1.8 | - | f/1.9 |
| Field of view | 86 ° | - | 85 ° |
| Number of lenses | 7 | - | 6 |
| Flash type | LED | LED | LED |
| Image resolution | 8190 x 6920 pixels 56.67 MP | 4864 x 2736 pixels 13.31 MP | 9216 x 6912 pixels 63.7 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP | 2560 x 1440 pixels 3.69 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous 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 Macro mode Phase detection autofocus (PDAF) DOL-HDR | 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 Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode Phase detection autofocus (PDAF) |
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 | - | - |
| Field of view | 112 ° | - | - |
| Number of lenses | 5 | - | - |
| Image resolution | 8 MP | - | - |
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.
| Sensor format | 1/5" | - | - |
| Pixel size | 1.75 µm 0.001750 mm | - | - |
| Aperture | f/2.4 | - | - |
| Number of lenses | 3 | - | - |
| Image resolution | 2 MP | - | - |
| Angle of view - 89° | - | - |
Night Vision camera
Specifications of the Night Vision camera of the device. This type of camera takes photos in the dark by emitting infrared light and capturing its reflection from the objects.
| Sensor model | - | - | OmniVision OV24A1B |
| Aperture | - | - | f/1.8 |
| Field of view | - | - | 78.1 ° |
| Infrared lights | - | - | 2 |
| Image resolution | - | - | 24 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 | Sony IMX709 | - | Sony IMX481 |
| Sensor type | CMOS | - | CMOS BSI |
| Sensor format | 1/2.74" | - | 1/3.09" |
| Pixel size | 0.8 µm 0.000800 mm | - | 1 µm 0.001000 mm |
| Aperture | f/2.4 | - | f/2.2 |
| Field of view | 85 ° | - | 76.6 ° |
| Number of lenses | 5 | - | 5 |
| Image resolution | 32 MP | 2560 x 1920 pixels 4.92 MP | 4608 x 3456 pixels 15.93 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 2520 x 1440 pixels 3.63 MP |
| Video FPS | 60 fps | 30 fps | 30 fps |
| Features | Face unlock DOL-HDR | - | Face unlock HDR Face detection |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| - | - | Infinite Halo with 18 RGB Lights 122 dB speaker 3.5W 11.5 CC sound cavity Hi-Fi Sound |
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 GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS | 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 802.11n 5GHz 802.11ac Wi-Fi 6 (802.11ax) Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 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 |
| 2×2 MIMO 8 Spatial-stream sounding MU-MIMO | - | - |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.3 | 4.0 | 5.2 |
| Features | A2DP LE | A2DP | 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 | 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 | No | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync Tethering NFC VoLTE | Computer sync OTA sync Tethering | Computer sync OTA sync Infrared Tethering NFC 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 AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC TWS+ SBC | AAC AMR eAAC+ MIDI MP3 WMA WAV | AAC AAC+ AMR 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 Flash Video H.263 H.264 MKV MP4 WebM WMV Xvid | 3GPP AVI H.263 H.264 MKV MP4 Xvid | 3GPP AVI H.263 H.264 H.265 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 | 4500 mAh | 2600 mAh | 9600 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G stand-by time | - | 90 h 5400 min 3.8 days | - |
| 3G stand-by time | - | 70 h 4200 min 2.9 days | - |
| 4G talk time | - | - | 39 h 2340 min 1.6 days |
| 4G stand-by time | - | - | 522 h 31320 min 21.8 days |
| Charger output power | 10 V / 8 A | - | 11 V / 3 A |
| Quick charge technology | SuperVOOC 2.0, VOOC 3.0, Power Delivery (9V/2A), Quick Charge (9V/2A) | - | - |
| Features | Fast charging Non-removable | Fast charging Removable | Fast charging Non-removable |
| Dual-cell battery | - | Dock charging - 10 W |
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) | - | - | 0.638 W/kg |
| Body SAR (EU) | - | - | 0.947 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | Customizable Key uSmart Connector - endoscope microscope |
| Oppo Reno8 Pro+ | Mlais M7 | Ulefone Armor 21 |