OPPO Reno4 Pro 5G vs. Samsung Galaxy S21 FE 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of OPPO Reno4 Pro 5G and Samsung Galaxy S21 FE 5G. 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

OPPO Reno4 Pro 5G vs. Samsung Galaxy S21 FE 5G Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Product Type Smartphone Smartphone
Manufacturer Model Number CPH2089 SM-G990B/DS
Form Factor Touch Touch
Height 159.6 mm 155.7 mm OPPO Reno4 Pro 5G has greater height than Samsung Galaxy S21 FE 5G.
Width 72.5 mm 74.5 mm Samsung Galaxy S21 FE 5G has greater width than OPPO Reno4 Pro 5G.
Depth 7.6 mm 7.9 mm OPPO Reno4 Pro 5G is narrower than OPPO Reno4 Pro 5G.
Weight 172 g 177 g OPPO Reno4 Pro 5G is lighter than OPPO Reno4 Pro 5G.
Body Colour Space black Olive | Graphite | White | Lavender
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - -
IP rating - IP68
SAR Value 1.318 W/kg (body), 0.892 W/kg (head), 2.707 W/kg (limb) 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Display Type OLED display OLED display
Display Technology AMOLED Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 6.5" 6.4" OPPO Reno4 Pro 5G has larger screen size than Samsung Galaxy S21 FE 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2340 x 1080 pixels OPPO Reno4 Pro 5G has better screen resolution than Samsung Galaxy S21 FE 5G.
Display Format Full HD+ Full HD+
Pixel Density 402 ppi 401 ppi OPPO Reno4 Pro 5G has better pixel density than Samsung Galaxy S21 FE 5G.
Max Brightness 1100 cd/m² -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 5000000:1 -
HDR Yes - OPPO Reno4 Pro 5G has HDR.
HDR Technology HDR10+ HDR10+
Display Enhancement Technology - Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features DCI-P3 Wide colour gamut, Dark mode, 180Hz sampling rate, 90Hz 3D Curved Screen AOD(Always On Display), Infinity O display, Video Wallpaper
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Processor Type (CPU) Qualcomm Snapdragon 765G -
Clock Speed 2.4 GHz 2.84 GHz Samsung Galaxy S21 FE 5G has higher clock speed than OPPO Reno4 Pro 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 620 -
MEMORY OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
RAM LPDDR4X SDRAM - 12 GB 6 GB OPPO Reno4 Pro 5G has more RAM than Samsung Galaxy S21 FE 5G.
Internal Memory Size (Storage Capacity) 256 GB 128 GB OPPO Reno4 Pro 5G has more internal memory than Samsung Galaxy S21 FE 5G.
User Memory - 101.1 GB
Memory Interface UFS 2.1 -
CAMERA OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 48 Megapixel 12 Megapixel OPPO Reno4 Pro 5G has better camera resolution than Samsung Galaxy S21 FE 5G.
Sensor Size 1/2" 1/1.76" OPPO Reno4 Pro 5G has better camera sensor size than Samsung Galaxy S21 FE 5G.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/1.8 OPPO Reno4 Pro 5G has better lens aperture than OPPO Reno4 Pro 5G.
Lens Construction 6-element -
Field of View (FoV) - 79 degree(s)
Pixel Size 0.8 μm 1.8 μm Samsung Galaxy S21 FE 5G has larger camera pixel size than OPPO Reno4 Pro 5G.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) 26 mm -
Optical Zoom 2x 3x Samsung Galaxy S21 FE 5G has better optical zoom than OPPO Reno4 Pro 5G.
Digital Zoom 20x 30x Samsung Galaxy S21 FE 5G has better digital zoom than OPPO Reno4 Pro 5G.
Special Effects HDR, Stickers Face retouch, Grid Line
HDR Mode - Auto HDR mode
Camera Modes Panorama, Time-lapse mode, night mode, Expert Mode, Bokeh Mode, AI Beautify Night mode, portrait mode
Light Source LED flash LED flash
Still Image Resolutions 8000 x 6000 -
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 5x Hybrid Zoom, 4-in-1 Pixel technology, contrast detection auto-focus (CDAF), laser detection auto focus (LDAF), Ultra Steady Video 3.0 Dual recording
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 12 Megapixel Both phones have the same second camera resolution.
Sensor Size (2nd Camera) 1/2.43" -
Sensor Name (2nd Camera) Sony Exmor RX IMX708 sensor -
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 120 degree(s) 123 degree(s) Samsung Galaxy S21 FE 5G has larger second camera lens field of view than OPPO Reno4 Pro 5G.
Pixel Size (2nd Camera) 1.4 μm 1.12 μm OPPO Reno4 Pro 5G has larger second camera pixel size than Samsung Galaxy S21 FE 5G.
Minimum Focal Length (2nd Camera) 16 mm -
Camera Functions (2nd Camera) Autofocus -
Camera Modes (2nd Camera) Ultra Night Mode -
Camera Features (2nd Camera) 6P lens, 3cm macro shooting -
THIRD CAMERA
Sensor Resolution (3rd Camera) 13 Megapixel 8 Megapixel OPPO Reno4 Pro 5G has higher resolution third camera than Samsung Galaxy S21 FE 5G.
Lens Type (3rd Camera) Telephoto lens Telephoto lens
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Lens Element Qty (3rd Camera) 5-element -
Field of View (3rd Camera) - 32 degree(s)
Pixel Size (3rd Camera) 1 μm 1 μm Both phones have the same third camera pixel size.
Minimum Focal Length (3rd Camera) 52 mm -
Camera Functions (3rd Camera) Autofocus -
Camera Features (3rd Camera) - Space Zoom x30
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 32 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) F/2.4 F/2.2 Samsung Galaxy S21 FE 5G has better front lens aperture than OPPO Reno4 Pro 5G.
Lens Element Qty (Front) 5-element -
Field of View (Front) - 81 degree(s)
Pixel Size (Front) - 0.8 μm
Focus Adjustment - Focus free
Camera Modes (Front) Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, AI Beauty, Portrait -
Still Image Resolutions (Front) 6560 x 4928 -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
BATTERY AND CHARGING OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Battery Capacity (Battery Size) 4000 mAh 4500 mAh Samsung Galaxy S21 FE 5G has larger battery capacity than OPPO Reno4 Pro 5G.
Fast Charging Technology SuperVOOC 2.0 Flash Charge Samsung Fast Charging Both phones have fast charging technology.
Recharge Time (Charging Time) 36 min -
Wireless Charging - Yes Samsung Galaxy S21 FE 5G can be charged wirelessly.
Wireless Charging Standards - Wireless PowerShare
Standby Time 425 hours -
Talk Time 1440 minutes 2220 minutes Samsung Galaxy S21 FE 5G has longer battery life when making calls than OPPO Reno4 Pro 5G.
Run Time Details Standby: up to 425 hrs
Talk: up to 1440 min
Playback (audio (w/headset)): up to 81 hrs
Playback (audio (via speakers)): up to 27 hrs
Playback (video): up to 18 hrs
Talk (LTE): up to 2220 min
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 16 hrs
Playback (audio): up to 79 hrs
CELLULAR OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System ColorOS 7.2 (based on Android 10) Android 12
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Data Transmission FDD-LTE, TDD-LTE, 5G NR FR1 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 6, Band 8, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 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, TDD TD 3700, TDD TD 3500, TDD 2300 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/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.1 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, APTX-TWS+ WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, ASF, 3GP, MP4 MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, pedometer, gyro sensor, geomagnetic sensor, gravity sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Fingerprint reader (under display) Fingerprint reader
Additional Phone Features MU-MIMO technology MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode
OTHERS OPPO Reno4 Pro 5G Samsung Galaxy S21 FE 5G
Included Accessories Headphones, power adapter, SIM card removal tool, USB-C cable, protective case SIM card removal tool, USB-C cable
Compliant Standards - IP68
Max Depth of Water Resistance - 1.5 m
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