Comparison between:
- Huawei P20
- Oppo Find X
- Samsung Galaxy S9 SD845
- Smartisan Nut R1
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Huawei P20 | Oppo Find X | Samsung Galaxy S9 SD845 | Smartisan Nut R1 | |
 Prices |  Prices |  Prices |  Prices | |
| Model alias | EML-L09 EML-L22 EML-L29 | PAFM00 PAFT00 | SM-G9600 G9600 SM-G9608 G9608 SM-G960D G960D SM-G960J G960J SM-G960U G960U SM-G960W G960W | Nuts R1 |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 70.8 mm 7.08 cm 0.23 ft 2.79 in | 74.2 mm 7.42 cm 0.24 ft 2.92 in | 68.7 mm 6.87 cm 0.23 ft 2.7 in | 74.5 mm 7.45 cm 0.24 ft 2.93 in |
| Height | 149.1 mm 14.91 cm 0.49 ft 5.87 in | 156.7 mm 15.67 cm 0.51 ft 6.17 in | 147.7 mm 14.77 cm 0.48 ft 5.81 in | 153.3 mm 15.33 cm 0.5 ft 6.04 in |
| Thickness | 7.65 mm 0.77 cm 0.03 ft 0.3 in | 9.6 mm 0.96 cm 0.03 ft 0.38 in | 8.5 mm 0.85 cm 0.03 ft 0.33 in | 7.9 mm 0.79 cm 0.03 ft 0.31 in |
| Weight | 165 g 0.36 lbs 5.82 oz | 186 g 0.41 lbs 6.56 oz | 163 g 0.36 lbs 5.75 oz | 170 g 0.37 lbs 6 oz |
| Volume | 80.76 cm³ 4.9 in³ | 111.62 cm³ 6.78 in³ | 86.25 cm³ 5.24 in³ | 90.22 cm³ 5.48 in³ |
| Colors | Black Blue Rose-gold Champagne Violet | Red Blue White | Lilac Gray Blue Black Gold Red | Black White Blue |
| Body materials | Aluminium alloy | Metal Glass | Glass Aluminium alloy | Metal Glass |
| Certification | IP53 | - | 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 | Nano-SIM | Nano-SIM |
| Number of SIM cards | 2 | 2 | 1 | 2 |
| Features | - | 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) | 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 GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | - | - | - | CDMA 800 MHz CDMA 1900 MHz |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| UMTS | UMTS 800 MHz UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 850 MHz (B26) LTE 700 MHz (B12) LTE 800 MHz (B18) LTE 800 MHz (B19) LTE 700 MHz (B28) | LTE 700 MHz Class 13 LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz (B12) LTE 800 MHz (B18) LTE 800 MHz (B19) LTE 1900 MHz (B25) LTE 850 MHz (B26) LTE 700 MHz (B28) LTE 700 MHz (B29) LTE 1700/2100 MHz (B66) | LTE 700 MHz Class 13 LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz (B12) | LTE 700 MHz Class 17 LTE 800 MHz LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 700 MHz (B12) LTE 800 MHz (B18) LTE 800 MHz (B19) LTE 1900 MHz (B25) LTE 850 MHz (B26) LTE 700 MHz (B28) |
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 18 TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 18 TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 18 | UMTS EDGE GPRS HSPA+ LTE Cat 18 EV-DO Rev. A TD-SCDMA TD-HSDPA |
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 8.1 Oreo Android 9.0 Pie | ColorOS 5.1 (Android 8.1 Oreo) | Android 8.0 Oreo Android 9.0 Pie | Smartisan 6.0 |
| User interface (UI) | EMUI 8.1 EMUI 9.0 | - | Experience 9.0 One | - |
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 | Huawei HiSilicon KIRIN 970 | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 845 |
| Process technology | 10 nm | 10 nm | 10 nm | 10 nm |
| CPU | 4x 2.36 GHz ARM Cortex-A73, 4x 1.84 GHz ARM Cortex-A53 | 4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 385 | 4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 385 | 4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 385 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A | ARMv8-A |
| Level 1 cache memory (L1) | - | 32 KB + 32 KB | 32 KB + 32 KB | 32 KB + 32 KB |
| Level 2 cache memory (L2) | - | 1536 KB 1.5 MB | 1536 KB 1.5 MB | 1536 KB 1.5 MB |
| Level 3 cache memory (L3) | - | 2048 KB 2 MB | 2048 KB 2 MB | 2048 KB 2 MB |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 2360 MHz | 2800 MHz | 2800 MHz | 2800 MHz |
| GPU | ARM Mali-G72 MP12 | Qualcomm Adreno 630 | Qualcomm Adreno 630 | Qualcomm Adreno 630 |
| GPU cores | 12 | - | - | - |
| GPU frequency | 767 MHz | 710 MHz | 710 MHz | 710 MHz |
| RAM capacity | 4 GB | 8 GB | 4 GB | 6 GB 8 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel | Double channel | Double channel |
| RAM frequency | 1833 MHz | 1866 MHz | 1866 MHz | 1866 MHz |
| i7 coprocessor Neural-Network Processing Unit GPU Turbo | - | - | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB | 128 GB 256 GB | 64 GB 128 GB 256 GB | 64 GB 128 GB 512 GB 1024 GB |
| - | - | UFS 2.1 | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | - | - | 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 | Super AMOLED | IPS |
| Diagonal size | 5.8 in 147.32 mm 14.73 cm | 6.4 in 162.56 mm 16.26 cm | 5.8 in 147.32 mm 14.73 cm | 6.17 in 156.72 mm 15.67 cm |
| Width | 2.52 in 63.98 mm 6.4 cm | 2.68 in 68.12 mm 6.81 cm | 2.54 in 64.45 mm 6.44 cm | 2.68 in 68.06 mm 6.81 cm |
| Height | 5.22 in 132.7 mm 13.27 cm | 5.81 in 147.6 mm 14.76 cm | 5.22 in 132.48 mm 13.25 cm | 5.56 in 141.17 mm 14.12 cm |
| Aspect ratio | 2.074:1 | 2.167:1 | 2.056:1 | 2.074:1 |
| Resolution | 1080 x 2240 pixels | 1080 x 2340 pixels | 1440 x 2960 pixels | 1080 x 2240 pixels |
| Pixel density | 429 ppi 168 ppcm | 403 ppi 158 ppcm | 568 ppi 223 ppcm | 403 ppi 158 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 80.69 % | 86.76 % | 84.41 % | 84.4 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| 2.5D curved glass screen LTPS (Low Temperature PolySilicon) 770 cd/m² | Display manufacturer - Samsung Corning Gorilla Glass 5 3D curved glass screen | Corning Gorilla Glass 5 Dual Edge display Always-On Display VR headset support HDR10 | LTPS (Low Temperature PolySilicon) 1500:1 contrast ratio 100% DCI-P3 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall | Proximity Light Accelerometer Compass Gyroscope Infrared face recognition sensor | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall Heart rate Iris sensor | Light Accelerometer Compass Gyroscope Fingerprint Hall Ultrasonic |
| Fingerprint sensor model - Goodix | - | - | Fingerprint sensor model - Fingerprint Cards FPC1272 |
Primary camera
The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.
| Sensor model | - | - | Sony IMX345 Exmor RS | Sony IMX363 Exmor RS |
| Sensor type | CMOS BSI | CMOS | CMOS | CMOS |
| Aperture | f/1.8 | f/2 | f/1.5 - 2.4 | f/1.8 |
| Focal length | 3.95 mm | 4.43 mm | 4.3 mm | - |
| Flash type | Dual LED | Dual LED | Dual LED | Dual LED |
| Image resolution | 3968 x 2976 pixels 11.81 MP | 4656 x 3496 pixels 16.28 MP | 4032 x 3024 pixels 12.19 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 MP | 3840 x 2160 pixels 8.29 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 | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode | Autofocus Continuous shooting Digital zoom Optical 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 |
| Sensor size - 1/2.3" Pixel size - 1.55 μm Leica Dual-camera 3.0 Phase detection Laser autofocus Contrast autofocus Depth autofocus Summilux-H lens 6-element lens Focal length (35 mm equivalent) - 27 mm 720p @ 960 fps Secondary rear camera - 20 MP (monochrome) Sensor size - 1/2.78" (#2) Aperture size - f/1.6 (#2) | Pop-up rear camera Phase detection Focal length (35 mm equivalent) - 26 mm Secondary rear camera - 20 MP Aperture size - f/2.2 (#2) | Sensor size - 1/2.55" Pixel size - 1.4 μm Phase detection with Dual Pixel Object tracking AF Smart OIS High CRI LED flash Focal length (35 mm equivalent) - 26 mm Wide-angle lens - 77° 2160p @ 60 fps 1080p @ 240 fps 720p @ 960 fps | Sensor size - 1/2.55" Pixel size - 1.4 μm Phase detection with Dual Pixel 4-axis OIS 6-element lens 1080p @ 120 fps Secondary rear camera - 20 MP Sensor model - Sony IMX350 Exmor RS (#2) Sensor size - 1/2.8" (#2) Pixel size - 1.0 μm (#2) Aperture size - f/1.75 (#2) |
Secondary camera
Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.
| Sensor model | - | - | Sony IMX320 Exmor RS | - |
| Sensor type | CMOS | CMOS | CMOS | - |
| Aperture | f/2 | f/2 | f/1.7 | f/2 |
| Focal length | - | 4.03 mm | 2.92 mm | - |
| Image resolution | 5632 x 4224 pixels 23.79 MP | 5760 x 4312 pixels 24.84 MP | 3264 x 2448 pixels 7.99 MP | 5632 x 4224 pixels 23.79 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 2560 x 1440 pixels 3.69 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Face unlock | Pop-up front camera 5-element lens Focal length (35 mm equivalent) - 23 mm | Sensor size - 1/3.6" Pixel size - 1.22 μm Focal length (35 mm equivalent) - 25 mm Wide-angle lens - 80° Auto HDR | Pixel size - 1.8 μm Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| 192 kHz / 24-bit Dolby Atmos Headphone adapter | Dirac HD Sound Dirac Power Sound Dirac Sensaround Headphone adapter | 384 kHz / 32-bit Dolby Atmos | Dirac Panorama Sound Headphone adapter |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | No | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS BeiDou | GPS A-GPS GLONASS BeiDou Galileo | GPS A-GPS GLONASS BeiDou |
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 Dual band Wi-Fi Hotspot Wi-Fi Direct | 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 | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct |
| 2x2 MiMO | - | VHT80 MU-MiMO 1024-QAM | 2x2 MiMO |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 5.0 | 5.0 | 5.0 |
| Features | A2DP EDR LE | A2DP EDR LE | A2DP AVRCP DIP HFP HID HSP LE MAP OPP PAN PBAP | A2DP |
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 | 3.1 | 2.0 | 3.1 | 2.0 |
| 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 |
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 | No | Yes | No |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering NFC VoLTE | Computer sync OTA sync Tethering NFC VoLTE | Computer sync OTA sync Tethering NFC ANT+ | Computer sync OTA sync 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 | 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 AAC+ AMR AMR-WB aptX eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV XMF LDAC | AAC AAC+ AMR AMR-WB eAAC+ FLAC M4A 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 MP4 VP8 VP9 WebM WMV Xvid | 3GPP AVI H.263 H.264 H.265 MKV MP4 WebM WMV Xvid | 3GPP 3GPP2 AVI DivX Flash Video H.263 H.264 MKV MP4 WebM WMV Xvid ASF | 3GPP AVI H.263 H.264 H.265 MKV MP4 VP8 VP9 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 | 3400 mAh | 3730 mAh | 3000 mAh | 3600 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | 19 h 1140 min 0.8 days | - | - | - |
| 2G stand-by time | 408 h 24480 min 17 days | - | - | - |
| 3G talk time | 19 h 1140 min 0.8 days | - | - | - |
| 3G stand-by time | 408 h 24480 min 17 days | - | - | - |
| Charger output power | 4.5 V / 5 A 5 V / 2 A 5 V / 4.5 A | 5 V / 4 A | 5 V / 2 A 9 V / 1.67 A | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A |
| Quick charge technology | Huawei Super Charge 3.0 | VOOC | - | Qualcomm Quick Charge 4+ |
| Features | Fast charging Non-removable | Fast charging Non-removable | Wireless charging Fast charging Non-removable | Wireless charging Fast charging Non-removable |
| - | - | Qi/PMA wireless charging | Wireless 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) | 0.76 W/kg | - | - | - |
| Body SAR (EU) | 1.26 W/kg | - | - | - |
| Head SAR (USA) | 0.99 W/kg | - | 0.63 W/kg | - |
| Body SAR (USA) | 0.72 W/kg | - | 0.96 W/kg | - |
| Huawei P20 | Oppo Find X | Samsung Galaxy S9 SD845 | Smartisan Nut R1 |