In depth comparison and review of OnePlus One and OnePlus 9. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | OnePlus One | OnePlus 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 152.9 mm | 160 mm | OnePlus 9 has greater height than OnePlus One. |
| Width | 75.9 mm | 74.2 mm | OnePlus One has greater width than OnePlus 9. |
| Depth | 8.9 mm | 8.7 mm | OnePlus 9 is narrower than OnePlus One. |
| Weight | 162 g | 192 g | OnePlus One is lighter than OnePlus One. |
| Body Colour | Bamboo | Astral black | Arctic sky | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.75 W/kg (body), 0.62 W/kg (head) | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | OnePlus One | OnePlus 9 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Fluid Amoled | |
| Screen Size (Display Size) | 5.5" | 6.55" | OnePlus 9 has larger screen size than OnePlus One. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | OnePlus 9 has better screen resolution than OnePlus One. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 402 ppi | OnePlus 9 has better pixel density than OnePlus One. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 1100 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | - | Yes | OnePlus 9 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | Vibrant Color Effect | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | - | Always-on display, Reading mode, night mode, Wide colour display (P3), sRGB support | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | OnePlus One | OnePlus 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 801 | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2.5 GHz | - | |
| Processor Core Qty | Quad-core | 8-core | OnePlus 9 has higher processor core quantity than OnePlus One. |
| Graphics System (GPU) | Qualcomm ADRENO 330 | Qualcomm ADRENO 660 |
| MEMORY | OnePlus One | OnePlus 9 |
|---|
| RAM | 3 GB | LPDDR5 SDRAM - 8 GB | OnePlus 9 has more RAM than OnePlus One. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | OnePlus 9 has more internal memory than OnePlus One. |
| Memory Interface | - | UFS 3.1 |
| CAMERA | OnePlus One | OnePlus 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | OnePlus 9 has better camera resolution than OnePlus One. |
| Sensor Size | - | 1/1.43" | |
| Sensor Name | Sony Exmor RS IMX214 sensor | Sony Exmor RS IMX689 sensor | |
| Lens Aperture | F/2.0 | F/1.8 | OnePlus 9 has better lens aperture than OnePlus One. |
| Lens Construction | 6-element | 7-element | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | - | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | - | 23 mm | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Panorama, Time-lapse mode, Pro mode, HYPERLAPSE, Nightscape capture mode, Portrait, Filter mode, Super Macro, Portrait video, UltraShot HDR, Smart Scene Recognition, Tilt-shift mode, Focus Peaking, Cat/Dog Face Focus, Super Stable, Video Nightscape | |
| Face Recognition (Face ID) | Face detection | - | OnePlus One has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1280 x 720 (720p), 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps | |
| Camera Features (Functions) | - | Tracking Focus, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), RAW image capture, Dual Native ISO, 2x2 On-Chip Lens (OCL), Hasselblad Camera, Natural Color Calibration, 12-bit RAW |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 50 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/1.56" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX766 sensor | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Lens Element Qty (2nd Camera) | - | 7-element | |
| Field of View (2nd Camera) | - | 119 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 14 mm | |
| Camera Features (2nd Camera) | - | 2x2 On-Chip Lens (OCL), Freeform Lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Monochrome |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OnePlus 9 has better front camera resolution than OnePlus One. |
| Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
| Lens Aperture (Front) | F/2.0 | F/2.4 | OnePlus One has better front lens aperture than OnePlus One. |
| Pixel Size (Front) | - | 1 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR, face retouch | |
| Camera Modes (Front) | - | Time-lapse mode | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | OnePlus One | OnePlus 9 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 4500 mAh | OnePlus 9 has larger battery capacity than OnePlus One. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge, Warp Charge 65T technology | OnePlus 9 has fast charging technology. |
| Recharge Time (Charging Time) | - | 29 min | |
| Wireless Charging | - | Yes | OnePlus 9 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Battery Technology | Lithium polymer | - |
| CELLULAR | OnePlus One | OnePlus 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OnePlus 9 has more advanced generation mobile network. |
| Operating System | CyanogenMod 13 | OxygenOS (based on Android 11) | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OnePlus One | OnePlus 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900, 1700, 800 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 7, Band 17, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 2600, FDD 700b, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.2 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | - | Snapdragon X55 5G | |
| Communication Features | Mobile Email client, Internet browser | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | OnePlus One | OnePlus 9 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, MIDI, APE (Monkey's Audio), M4A | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, EAC3-JOC, AC-4 | |
|---|---|---|---|
| Supported Digital Video Standards | RMVB, FLV, MPEG-4, H.264, H.263 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
| Sound Enhancements | - | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound |
| FEATURES | OnePlus One | OnePlus 9 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, flicker sensor, sensor core | |
| Security Devices | - | Fingerprint reader (under display), face recognition | |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - | |
| Additional Phone Features | DLNA Certified, multitasking, sharing media via DLNA, Noise Cancellation Technology, notification LED, Three microphones | Noise Cancellation Technology, MIMO technology, Gesture Controls, OnePlus Switch, Alert Slider, dual stereo speakers, Zen mode 2.0, OnePlus Games |
| OTHERS | OnePlus One | OnePlus 9 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, sticker, screen protector, USB-C to USB-C cable, protective case, Warp Charge 65 power adapter | |
|---|---|---|---|
| Compliant Standards | - | SGS |
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