UMIDIGI One Max vs. OnePlus 9

Phone Comparison, Reviews and Tests

In depth comparison and review of UMIDIGI One Max 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.

Phone Specifications Comparison

UMIDIGI One Max vs. OnePlus 9 Comparison Chart
DESIGN AND DIMENSIONS UMIDIGI One Max OnePlus 9
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 156.8 mm 160 mm OnePlus 9 has greater height than UMIDIGI One Max.
Width 75.6 mm 74.2 mm UMIDIGI One Max has greater width than OnePlus 9.
Depth 8.35 mm 8.7 mm UMIDIGI One Max is narrower than UMIDIGI One Max.
Weight 205 g 192 g OnePlus 9 is lighter than UMIDIGI One Max.
Body Colour Twilight Astral black | Arctic sky
Body Material Tempered glass, aluminium frame -
Waterproof (Water-resistant) - -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY UMIDIGI One Max OnePlus 9
Display Type LCD display OLED display
Display Technology - Fluid Amoled
Screen Size (Display Size) 6.3" 6.55" OnePlus 9 has larger screen size than UMIDIGI One Max.
Screen Resolution (Display Resolution) 1520 x 720 pixels 2400 x 1080 pixels OnePlus 9 has better screen resolution than UMIDIGI One Max.
Display Format - Full HD+
Pixel Density 271 ppi 402 ppi OnePlus 9 has better pixel density than UMIDIGI One Max.
Aspect Ratio 19:9 20:9
Max Brightness - 1100 cd/m²
Colour Depth - 16.7 million colours
HDR - Yes OnePlus 9 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Vibrant Color Effect
Display Refresh Rate - 120 Hz
Display Features In-Cell Display Technology, Reading mode, Colour temperature adjustment Always-on display, Reading mode, night mode, Wide colour display (P3), sRGB support
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass)
PROCESSOR UMIDIGI One Max OnePlus 9
Processor Type (CPU) MediaTek Helio P23 Qualcomm Snapdragon 888
Clock Speed 2 GHz -
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - UMIDIGI One Max has 64-bit architecture.
Graphics System (GPU) Mali-G71 MP2 Qualcomm ADRENO 660
MEMORY UMIDIGI One Max OnePlus 9
RAM LPDDR4X SDRAM - 4 GB LPDDR5 SDRAM - 8 GB OnePlus 9 has more RAM than UMIDIGI One Max.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB -
CAMERA UMIDIGI One Max OnePlus 9
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 48 Megapixel OnePlus 9 has better camera resolution than UMIDIGI One Max.
Sensor Size - 1/1.43"
Sensor Name Omnivision OV12870 sensor Sony Exmor RS IMX689 sensor
Lens Aperture F/2.0 F/1.8 OnePlus 9 has better lens aperture than UMIDIGI One Max.
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
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 recognition - UMIDIGI One Max has face detection.
Light Source Dual LED flash Dual LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps 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) Real-time photo filters 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) 5 Megapixel 50 Megapixel OnePlus 9 has better second camera resolution than UMIDIGI One Max.
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) 16 Megapixel 16 Megapixel Both phones have the same front camera resolution.
Sensor Name (Front) Samsung S5K3P3 Sony Exmor RX IMX471 sensor
Lens Aperture (Front) F/2.0 F/2.4 UMIDIGI One Max has better front lens aperture than UMIDIGI One Max.
Lens Element Qty (Front) 5-element -
Pixel Size (Front) - 1 μm
Focus Adjustment - Focus free
Special Effects (Front) - HDR, face retouch
Camera Modes (Front) - Time-lapse mode
Face Recognition (Face ID) Face recognition - UMIDIGI One Max has face detection.
Light Source (Front) - Display flash
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps
Camera Features (Front) Selfie countdown Electronic Image Stabiliser (EIS)
BATTERY AND CHARGING UMIDIGI One Max OnePlus 9
Battery Capacity (Battery Size) 4150 mAh 4500 mAh OnePlus 9 has larger battery capacity than UMIDIGI One Max.
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 Yes Both phones can be charged wirelessly.
Wireless Charging Standards Qi, Fast Wireless Charging Qi
CELLULAR UMIDIGI One Max OnePlus 9
Technology CDMA2000 1X / GSM / WCDMA (UMTS) WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G OnePlus 9 has more advanced generation mobile network.
Operating System Android 8.1.0 Oreo OxygenOS (based on Android 11)
Navigation GPS, GLONASS GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS UMIDIGI One Max OnePlus 9
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 1900, 1700, 850, 900, 1700, 800
4G LTE Band 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 34, Band 38, Band 39, Band 40, Band 41 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 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, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 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 802.11a/b/g/n IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.1 Bluetooth 5.2
Bluetooth Profiles HID -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem - Snapdragon X55 5G
Messaging Services SMS, MMS -
MEDIA UMIDIGI One Max OnePlus 9
Supported Digital Audio Standards WAV, AAC, PCM, MP3, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB 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 MKV, XviD, MPEG-4, M4V, ASP, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) 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 UMIDIGI One Max OnePlus 9
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, gyro sensor, geomagnetic sensor, L-sensor, P-sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, flicker sensor, sensor core
Security Devices Face recognition, fingerprint reader (side) Fingerprint reader (under display), face recognition
Additional Phone Features Dual microphones Noise Cancellation Technology, MIMO technology, Gesture Controls, OnePlus Switch, Alert Slider, dual stereo speakers, Zen mode 2.0, OnePlus Games
OTHERS UMIDIGI One Max OnePlus 9
Included Accessories Power adapter, SIM card removal tool, USB-C cable, pre-installed screen protector, protective case 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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