Comparison between:
- HMD Key
- Oppo Reno13 F 5G
- nubia Music 2
- Samsung Galaxy S25 Ultra
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| HMD Key | Oppo Reno13 F 5G | nubia Music 2 | Samsung Galaxy S25 Ultra | |
 |  |  |  | |
| Model alias | - | Reno 13 F 5G | - | SM-S938B SM-S938B/DS SM-S938U SM-S938U1 SM-S938W SM-S938N SM-S9380 SM-S938E SM-S938E/DS |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.9 mm 7.69 cm 0.252 ft 3.028 in | 75.05 mm 7.505 cm 0.246 ft 2.955 in | 74.9 mm 7.49 cm 0.246 ft 2.949 in | 77.6 mm 7.76 cm 0.255 ft 3.055 in |
| Height | 166.4 mm 16.64 cm 0.546 ft 6.551 in | 162.2 mm 16.22 cm 0.532 ft 6.386 in | 163.6 mm 16.36 cm 0.537 ft 6.441 in | 162.8 mm 16.28 cm 0.534 ft 6.409 in |
| Thickness | 8.95 mm 0.895 cm 0.029 ft 0.352 in | 7.76 mm 0.776 cm 0.025 ft 0.306 in | 8.6 mm 0.86 cm 0.028 ft 0.339 in | 8.2 mm 0.82 cm 0.027 ft 0.323 in |
| Weight | 185 g 0.41 lbs 6.54 oz | 192 g 0.42 lbs 6.77 oz | - | 218 g 0.48 lbs 7.69 oz |
| Volume | 114.53 cm³ 6.96 in³ | 94.46 cm³ 5.74 in³ | 105.38 cm³ 6.4 in³ | 103.59 cm³ 6.29 in³ |
| Colors | Green | Trendy Purple Luxurious Gray Green Breakthrough | Multicolor | Titanium Silverblue Titanium Black Titanium Whitesilver Titanium Gray |
| Body materials | Polycarbonate | Aluminium alloy Glass Plastic | Plastic | Glass Armor Aluminum |
| Certification | IP54 | IP69 | - | 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 Nano-SIM / microSD | Nano-SIM Nano-SIM / microSD | Nano-SIM | Nano-SIM eSIM |
| Number of SIM cards | 2 | 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) | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM optional (A variant of the model with two SIM card slots is available) |
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 (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) |
| 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 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 (B5) W-CDMA 900 MHz (B8) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - |
| UMTS | - | - | - | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1700 MHz (B4) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) |
| LTE | LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | 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 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-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 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 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) |
| 5G NR | - | 5G-FDD 700 MHz (n12) 5G-FDD 700 MHz (n28) 5G-FDD 800 MHz (n20) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 1700 MHz (n66) 5G-FDD 1800 MHz (n3) 5G-FDD 1900 MHz (n2) 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-FDD 700 MHz (n28) 5G-FDD 850 MHz (n5) 5G-FDD 900 MHz (n8) 5G-FDD 2100 MHz (n1) 5G-TDD 2500 MHz (n41) 5G-TDD 3500 MHz (n78) | 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 2300 MHz (n40) 5G-FDD 2600 MHz (n7) 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 | UMTS EDGE GPRS HSPA+ LTE EV-DO Rev. A | EDGE GPRS HSPA+ LTE 5G NSA 5G SA | UMTS EDGE GPRS HSPA+ LTE 5G SA 5G NSA | UMTS EDGE GPRS HSPA+ LTE 5G SA 5G NSA |
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 14 Go edition | ColorOS 15 (Android 15) | Android 14 | Android 15 |
| User interface (UI) | - | - | MyOS 14 | One UI 7.0 |
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 | Unisoc SC9863A | Qualcomm Snapdragon 6 Gen 1 (SM6450) | Unisoc T7200 | Qualcomm Snapdragon 8 Elite for Galaxy (SM8750-AC) |
| Process technology | 28 nm | 4 nm | 12 nm | 3 nm |
| CPU | 4x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A55 | 4x 2.2 GHz ARM Cortex-A78, 4x 1.8 GHz ARM Cortex-A55 | 2x 1.6 GHz ARM Cortex-A75, 6x 1.6 GHz ARM Cortex-A55 | 2x 4.47 GHz, 6x 3.53 GHz |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8.2-A | ARMv8.2-A | ARMv9.2-A |
| Level 2 cache memory (L2) | - | - | - | 2400 KB 2.34375 MB |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 1600 MHz | 2200 MHz | 1600 MHz | 4470 MHz |
| GPU | PowerVR GE8322 / IMG8322 | Qualcomm Adreno 710 | ARM Mali-G57 MP1 | Qualcomm Adreno 830 |
| GPU cores | 2 | - | 1 | - |
| GPU frequency | 550 MHz | - | 650 MHz | 1200 MHz |
| RAM capacity | 2 GB | 12 GB | 4 GB | 12 GB 16 GB |
| RAM type | LPDDR4/LPDDR4X | LPDDR4X | LPDDR4X | LPDDR5X |
| RAM channels | Double channel | Double channel | Double channel | Quad channel |
| RAM frequency | 1600 MHz | 2133 MHz | 1600 MHz | 4800 MHz |
| - | 4364 mm² VC cooling area AI Cooling System | Virtual RAM expansion - 4 GB Unisoc T7200 is Unisoc Tiger T606 | Snapdragon Cognitive ISP with Semantic Segmentation |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 256 GB | 128 GB | 256 GB 512 GB 1024 GB |
| - | UFS 2.2 | UFS 3.1 | UFS 4.0 |
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 | IPS | AMOLED | IPS | Dynamic AMOLED 2X |
| Diagonal size | 6.52 in 165.61 mm 16.56 cm | 6.67 in 169.42 mm 16.94 cm | 6.7 in 170.18 mm 17.02 cm | 6.8 in 172.72 mm 17.27 cm |
| Width | 2.64 in 67.07 mm 6.71 cm | 2.74 in 69.52 mm 6.95 cm | 2.73 in 69.4 mm 6.94 cm | 2.85 in 72.38 mm 7.24 cm |
| Height | 5.96 in 151.42 mm 15.14 cm | 6.08 in 154.5 mm 15.45 cm | 6.12 in 155.38 mm 15.54 cm | 6.17 in 156.82 mm 15.68 cm |
| Aspect ratio | 2.257:1 | 2.222:1 | 2.239:1 | 2.167:1 |
| Resolution | 567 x 1280 pixels | 1080 x 2400 pixels | 720 x 1612 pixels | 1440 x 3120 pixels |
| Pixel density | 215 ppi 84 ppcm | 395 ppi 155 ppcm | 264 ppi 103 ppcm | 505 ppi 198 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 79.62 % | 88.52 % | 88.29 % | 90.14 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen | 2.5D curved glass screen Asahi Glass AGC DT-Star 2 120 Hz refresh rate | 2.5D curved glass screen 120 Hz refresh rate | Corning Gorilla Armor 2 Infinity-O Display Always-On Display LTPO 2600 cd/m² peak brightness 1-120 Hz refresh rate VRR HDR10+ Vision Booster technology |
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 Compass Gyroscope Pedometer Geomagnetic Fingerprint Gravity | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Compass Gyroscope Barometer Geomagnetic Fingerprint Hall Gravity |
| Side-mounted fingerprint sensor | In-display fingerprint sensor | Side-mounted fingerprint sensor | In-display ultrasonic fingerprint sensor |
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 | - | - | - | Samsung |
| Sensor type | CMOS | CMOS | CMOS | ISOCELL |
| Sensor format | - | - | - | 1/1.3" |
| Pixel size | - | - | - | 0.6 µm 0.000600 mm |
| Aperture | - | - | - | f/1.7 |
| Focal length and 35 mm equivalent | - | - | - | 6.3 mm 24 mm *(35 mm / full frame) |
| Field of view | - | - | - | 85 ° |
| Flash type | Dual LED | LED | LED | LED |
| Image resolution | 3260 x 2144 pixels 6.99 MP | 8120 x 6180 pixels 50.18 MP | 8120 x 6180 pixels 50.18 MP | 200 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP | 7680 x 4320 pixels 33.18 MP |
| Video FPS | 30 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 Macro mode Phase detection autofocus (PDAF) | Autofocus Continuous 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 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 Continuous 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) Laser autofocus (LAF) Expert RAW Astro Hyperlapse Adaptive VDIS Zoom Anyplace |
| - | Secondary rear camera - 8 MP (ultra-wide) Aperture size - f/2.2 (#2) Angle of view - 115° (#2) Focal length equivalent - 15 mm (#2) 5-element lens (#2) Autofocus (#2) Third rear camera - 2 MP (microscope) | Secondary rear camera - AI lens | 12 MP photos with 16-in-1 pixel binning 50 MP photos with 4-in-1 pixel binning Phase detection autofocus Super Quad Pixel autofocus Object tracking AF Dual OIS HDR10+ video recording 4K Super HDR @ 60 fps Secondary rear camera - 50 MP (ultra-wide) Pixel size - 0.7 μm (#2) Aperture size - f/1.9 (#2) Angle of view - 120° (#2) Focal length (35 mm equivalent) - 13 mm (#2) Phase detection with Dual Pixel (#2) Third rear camera - 50 MP (telephoto) Sensor model - Sony IMX875 (#3) Sensor size - 1/2.52" (#3) Pixel size - 0.7 μm (#3) Aperture size - f/3.4 (#3) Focal length (35 mm equivalent) - 111 mm (#3) Angle of view - 22° (#3) 5x optical zoom (#3) OIS (#3) Phase detection with Dual Pixel (#3) Fourth rear camera - 10 MP (telephoto) Sensor model - Sony (#4) Sensor size - 1/3.52" (#4) Pixel size - 1.12 μm (#4) Aperture size - f/2.4 (#4) Angle of view - 36° (#4) Focal length (35 mm equivalent) - 69 mm (#4) 3x optical zoom (#4) OIS (#4) Phase detection with Dual Pixel (#4) |
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 | CMOS | CMOS | CMOS |
| Sensor format | - | - | - | 1/2.82" |
| Pixel size | - | - | - | 0.7 µm 0.000700 mm |
| Aperture | - | f/2.4 | - | f/2.2 |
| Focal length and 35 mm equivalent | - | - | - | 26 mm *(35 mm / full frame) |
| Field of view | - | - | - | 80 ° |
| Image resolution | 2560 x 1944 pixels 4.98 MP | 6528 x 4928 pixels 32.17 MP | 2560 x 1944 pixels 4.98 MP | 12 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 60 fps | 30 fps | 60 fps |
| Features | Face unlock Face detection | Face unlock Face detection HDR | Face unlock Face detection | Phase detection autofocus (PDAF) HDR Autofocus |
| - | - | - | Phase detection with Dual Pixel Auto HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers |
| - | - | 3 stereo speakers 2.1 CH audio system 95 dB loudness DTS: X Ultra AI Super Volume | 384 kHz / 32-bit AKG audio Dolby Atmos |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | - | No | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS Galileo | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS BeiDou Galileo | GPS A-GPS GLONASS BeiDou Galileo QZSS |
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 | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11a 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 |
| - | - | - | HE80 MiMO 1024-QAM |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 5.1 | 5.2 | 5.4 |
| Features | A2DP LE | A2DP LE | A2DP LE | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP SSC |
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 | USB Type-C |
| Version | 2.0 | 2.0 | 2.0 | 3.2 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go |
| - | - | - | USB 3.2 Gen 1 DisplayPort 1.2 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 | Yes | No | Yes | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Infrared Tethering NFC VoLTE | Computer sync OTA sync Tethering NFC VoLTE | Computer sync OTA sync Tethering NFC Ultra-wideband (UWB) MST |
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 MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC TWS+ SBC | AAC AAC+ AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR aptX aptX HD FLAC M4A MIDI MP3 OGG WMA WAV 3GA OGA AWB MID XMF MXMF IMY RTTTL RTX OTA APE DSF DFF 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 H.263 H.264 MP4 WebM Xvid | 3GPP AVI DivX Flash Video H.263 H.264 MKV MP4 WebM WMV Xvid | 3GPP AVI DivX H.263 H.264 H.265 QuickTime MP4 VP9 WebM Xvid | AVI MKV MP4 WMV M4V 3GP 3G2 ASF FLV 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 | 5000 mAh | 5800 mAh | 5000 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Ion |
| Charger output power | 5 V / 2 A | 9 V / 5 A | 5 V / 2 A | 9 V / 5 A |
| Features | Non-removable | Fast charging Non-removable | Fast charging Non-removable | Wireless charging Fast charging Non-removable |
| - | - | - | Qi/PMA wireless charging - 15 W 4.5W wireless reverse charging USB Power Delivery 3.0 |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | Holographic optical film Dreamt breathing light effect Screen light effect | - |
| HMD Key | Oppo Reno13 F 5G | nubia Music 2 | Samsung Galaxy S25 Ultra |