[ OnePlus 9 ] VS [ Samsung Galaxy S21 ]

OnePlus 9
OnePlus 9
  • 6.55", 160 x 74.2 x 8.7 mm , 192 g
  • 128GB 8GB RAM, 256GB 12GB RAM
  • Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
  • Triple: 48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, omnidirectional PDAF 50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm, AF 2 MP, f/2.4, (monochrome)
  • Li-Po 4500 mAh, non-removable
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Samsung Galaxy S21
Samsung Galaxy S21
  • 6.2", 151.7 x 71.2 x 7.9 mm , 169 g
  • 128GB 8GB RAM, 256GB 8GB RAM
  • Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680
  • Triple: 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
  • Li-Ion 4000 mAh, non-removable
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Display Appearance Performance Camera and Video Connectivity Battery Comments
Display [ OnePlus 9 ] VS [ Samsung Galaxy S21 ]
OnePlus 9 Samsung Galaxy S21
inches 6.55 inches 6.2 inches
—— screen area 103.6 cm2 94.1 cm2
—— screen height 151.7 mm 143.6 mm
—— screen width 68.3 mm 64.6 mm
Screen-to-body ~87.6% ~87.2%
pixel 1080 x 2400 pixels 1080 x 2400 pixels
—— ratio 20:9 20:9
—— PPI ~402 ppi density ~421 ppi density
Refresh rate 120Hz 120Hz
Screen Technology Fluid AMOLED, 120Hz, HDR10+, 1100 nits (peak) Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Others Always-on display Always-on display
Body/Appearance [ OnePlus 9 ] VS [ Samsung Galaxy S21 ]
OnePlus 9 Samsung Galaxy S21
Dimensions 160 x 74.2 x 8.7 mm (EU/NA)160 x 73.9 x 8.1 mm (IN/CN) 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
Weight 192 g (EU/NA)183 g (IN/CN) (6.46 oz) 169 g (5.96 oz)
Build/Materials Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Colors Winter Mist, Arctic Sky, Astral Black Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Keys Left: Volume control; Right: Lock/Unlock key, Other Right: Volume control, Lock/Unlock key
More features IP68 (T-Mobile version only) IP68 dust/water resistant (up to 1.5m for 30 mins)
Performance [ OnePlus 9 ] VS [ Samsung Galaxy S21 ]
OnePlus 9 Samsung Galaxy S21
Operating system OS Android 11, OxygenOS 11.2.7.7 Android 11, One UI 3.1
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm)
Processor CPU Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680
GPU Adreno 660 Mali-G78 MP14 - InternationalAdreno 660
Internal memory 128GB 8GB RAM, 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
External memoryCard slot No No
Camera and Video [ OnePlus 9 ] VS [ Samsung Galaxy S21 ]
OnePlus 9 Samsung Galaxy S21
Triple 48 MP, f/1.8, 23mm (wide), 1/1.43", 1.12µm, omnidirectional PDAF
50 MP, f/2.2, 14mm (ultrawide), 1/1.56", 1.0µm, AF
2 MP, f/2.4, (monochrome)		 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Features Hasselblad Color Calibration, dual-LED flash, HDR, panorama LED flash, auto-HDR, panorama
Video [email protected], [email protected]/60fps, [email protected]/60/240fps, Auto HDR, gyro-EIS [email protected], [email protected]/60fps, 1080[email protected]/60/240fps, [email protected], HDR10+, stereo sound rec., gyro-EIS
Single 16 MP, f/2.4, (wide), 1/3.06", 1.0µm 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF
Features Auto-HDR Dual video call, Auto-HDR
Video [email protected], gyro-EIS [email protected]/60fps, [email protected]
Communication and Connectivity [ OnePlus 9 ] VS [ Samsung Galaxy S21 ]
OnePlus 9 Samsung Galaxy S21
SIM Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.2, A2DP, LE, aptX HD 5.0, A2DP, LE
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS Yes, with A-GPS, GLONASS, BDS, GALILEO
NFC Yes Yes
Radio No FM radio (Snapdragon model only; market/operator dependent)
USB USB Type-C 3.1, USB On-The-Go USB Type-C 3.2, USB On-The-Go
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
Headphone jack No No
Technology GSM / CDMA / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900		 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA 800 / 1900 & TD-SCDMA
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - EU
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 - NA
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 - IN
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 - CN		 LTE
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA - EU
1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - NA
41, 78 SA/NSA - IN
1, 3, 28, 41, 78, 79 SA/NSA - CN		 -
Speed HSPA 42.2/5.76 Mbps, LTE-A (CA) Cat20 2000/200 Mbps, 5G HSPA 42.2/5.76 Mbps, LTE-A (CA)
Battery [ OnePlus 9 ] VS [ Samsung Galaxy S21 ]
OnePlus 9 Samsung Galaxy S21
Charging Fast charging 65W, 1-100% in 29 min (advertised)
Fast wireless charging 15W (EU/NA only)
USB Power Delivery		 Fast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Type Li-Po 4500 mAh, non-removable Li-Ion 4000 mAh, non-removable
MORE FEATURES [ OnePlus 9 ] VS [ Samsung Galaxy S21 ]
OnePlus 9 Samsung Galaxy S21
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Models LE2113, LE2111, LE2110, LE2117, LE2115 SM-G990F, SM-G990F/DS
Others - -
All versions - Also available with 5G. Also known as Samsung Galaxy S21 4G

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