Xiaomi Redmi 3S vs. OnePlus 7

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi Redmi 3S and OnePlus 7. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Xiaomi Redmi 3S vs. OnePlus 7 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S OnePlus 7
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 139.3 mm 157.7 mm OnePlus 7 has greater height than Xiaomi Redmi 3S.
Width 69.6 mm 74.8 mm OnePlus 7 has greater width than Xiaomi Redmi 3S.
Depth 8.5 mm 8.2 mm OnePlus 7 is narrower than Xiaomi Redmi 3S.
Weight 144 g 182 g Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S.
Body Colour Gold Mirror grey
Body Material Metal 3D glass
Waterproof (Water-resistant) - -
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) -
Connector Type Micro-USB - 5 pin Micro-USB Type B USB Type-C - 24 pin USB-C
SIM Card Type (Size) Micro SIM, nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD -
DISPLAY Xiaomi Redmi 3S OnePlus 7
Display Type - OLED display
Display Technology - Optic AMOLED
Screen Size (Display Size) 5" 6.41" OnePlus 7 has larger screen size than Xiaomi Redmi 3S.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2340 x 1080 pixels OnePlus 7 has better screen resolution than Xiaomi Redmi 3S.
Display Format HD -
Pixel Density - 402 ppi
Aspect Ratio - 19.5:9
Display Features - 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass)
PROCESSOR Xiaomi Redmi 3S OnePlus 7
Processor Type (CPU) Qualcomm Snapdragon 430 Snapdragon 855
Clock Speed 1.4 GHz 2.84 GHz OnePlus 7 has higher clock speed than Xiaomi Redmi 3S.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 505 Qualcomm ADRENO 640
MEMORY Xiaomi Redmi 3S OnePlus 7
RAM 2 GB LPDDR4X SDRAM - 6 GB OnePlus 7 has more RAM than Xiaomi Redmi 3S.
Internal Memory Size (Storage Capacity) 16 GB 128 GB OnePlus 7 has more internal memory than Xiaomi Redmi 3S.
Memory Interface - UFS 3.0
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB -
CAMERA Xiaomi Redmi 3S OnePlus 7
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 48 Megapixel OnePlus 7 has better camera resolution than Xiaomi Redmi 3S.
Sensor Name - Sony Exmor RS IMX586 sensor
Lens Aperture F/2.0 F/1.7 OnePlus 7 has better lens aperture than Xiaomi Redmi 3S.
Lens Construction 5-element -
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) OnePlus 7 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR HDR
Camera Modes Panorama, manual mode Panorama, Time-lapse mode, Pro mode, night mode, Portrait
Light Source LED light Dual LED flash
Video Resolutions 1920 x 1080 (1080p) 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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), RAW image capture, AI scene detection, AI studio lighting
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Aperture (2nd Camera) - F/2.4
Pixel Size (2nd Camera) - 1.12 μm
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 16 Megapixel OnePlus 7 has better front camera resolution than Xiaomi Redmi 3S.
Sensor Name (Front) - Sony Exmor RX IMX471 sensor
Lens Aperture (Front) F/2.2 F/2.0 OnePlus 7 has better front lens aperture than Xiaomi Redmi 3S.
Pixel Size (Front) - 1 μm
Focus Adjustment - Focus free
Special Effects (Front) - HDR, face retouch
Camera Modes (Front) Beautify Selfie mode Time-lapse mode
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
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 Xiaomi Redmi 3S OnePlus 7
Battery Capacity (Battery Size) 4100 mAh 3700 mAh Xiaomi Redmi 3S has larger battery capacity than OnePlus 7.
CELLULAR Xiaomi Redmi 3S OnePlus 7
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - OxygenOS (based on Android Pie)
User Interface MIUI V7 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo, SBAS
COMMUNICATIONS Xiaomi Redmi 3S OnePlus 7
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 900 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X
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 3, Band 5, 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 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66
4G LTE Frequency FDD 1800+, FDD 850, 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 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles HID -
NFC - Yes OnePlus 7 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi 3S OnePlus 7
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, IMY, EAC3, MID, AMR-WB, AMR-NB
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4
Sound Enhancements - Dolby Atmos sound technology
FEATURES Xiaomi Redmi 3S OnePlus 7
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 Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor
Security Devices - Fingerprint reader (under display), face recognition
Additional Phone Features Infrared remote control, Reading mode Face Unlock, Noise Cancellation Technology, MIMO technology, Fast Charging, AI Engine
OTHERS Xiaomi Redmi 3S OnePlus 7
Included Accessories USB cable, power adapter, SIM card removal tool Power adapter, SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case
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