Oneplus
OnePlus 9 5GSide-by-side comparison
OnePlus 9 5G vs Samsung Galaxy S21+ 5G
Samsung
Samsung Galaxy S21+ 5GOnePlus 9 5G — quick specs
- Network
- Display—
- Camera48 MP
- Memory256 GB
- Battery4500 mAh
- OSAndroid 11
Samsung Galaxy S21+ 5G — quick specs
- Network5G
- Display—
- Camera12 MP
- Memory256 GB
- BatteryS21: 4000 Lithium polymer / S21+: 4800 Lithium polymer / S21 Ultra: 5000 Lithium polymer / S21 FE: 4500 Lithium polymer
- OSAndroid 11
● Full specification comparison
Spec
OnePlus 9 5G
Samsung Galaxy S21+ 5G
NETWORK
Technology
2G, 3G, 4G, 5G
Technology
A
B2G, 3G, 4G, 5G
LAUNCH
Status
Available. Released 2021
S21, S21+ and S21 Ultra: / S21 FE:
Status
AAvailable. Released 2021
BS21, S21+ and S21 Ultra: / S21 FE:
Announced
—
S21, S21+ and S21 Ultra: / S21 FE:
Announced
A—
BS21, S21+ and S21 Ultra: / S21 FE:
BODY
Dimensions
160 mm H
S21: 151.7xx71.2xx7.9 / S21+: 161.5xx75.6xx7.8 / S21 Ultra: 165.1xx75.6xx8.9 / S21 FE: 155.7xx74.5xx7.9
Dimensions
A160 mm H
BS21: 151.7xx71.2xx7.9 / S21+: 161.5xx75.6xx7.8 / S21 Ultra: 165.1xx75.6xx8.9 / S21 FE: 155.7xx74.5xx7.9
Build
Slate
Slate
Build
ASlate
BSlate
Weight
—
S21: 169 g / S21+: 200 g / S21 Ultra: 227 g / S21 FE: 177 g
Weight
A—
BS21: 169 g / S21+: 200 g / S21 Ultra: 227 g / S21 FE: 177 g
SIM
—
nanoSIM, eSIM / Single SIM or Hybrid Dual SIM in dual stand-by
SIM
A—
BnanoSIM, eSIM / Single SIM or Hybrid Dual SIM in dual stand-by
DISPLAY
Type
Fluid AMOLED capacitive touchscreen with HDR10+ support and 120 Hz refresh rate
—
Type
AFluid AMOLED capacitive touchscreen with HDR10+ support and 120 Hz refresh rate
B—
PLATFORM
OS
Android 11 with OxygenOS 11 (upgradable to Android 14 with Oxygen OS 14) / China: Android 11 with ColorOS 11
S21, S21+ and S21 Ultra: / Original: Android 11 with One UI 3.1 / Current: Android 15 with One UI 7 / S21 FE: / Original: Android 12 with One UI 4 / Current: Android 16 with One UI 8
OS
AAndroid 11 with OxygenOS 11 (upgradable to Android 14 with Oxygen OS 14) / China: Android 11 with ColorOS 11
BS21, S21+ and S21 Ultra: / Original: Android 11 with One UI 3.1 / Current: Android 15 with One UI 7 / S21 FE: / Original: Android 12 with One UI 4 / Current: Android 16 with One UI 8
Chipset
Qualcomm Snapdragon 888
—
Chipset
AQualcomm Snapdragon 888
B—
CPU
Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
Exynos: Octa-core (1x2.9 GHz Cortex-X1, 3x2.80 GHz Cortex-A78 and 4x2.2 GHz Cortex-A55) / Snapdragon: Octa-core (1x2.84 GHz, 3x2.42 GHz and 4x1.80 GHz) Kryo 680
CPU
AOcta-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680)
BExynos: Octa-core (1x2.9 GHz Cortex-X1, 3x2.80 GHz Cortex-A78 and 4x2.2 GHz Cortex-A55) / Snapdragon: Octa-core (1x2.84 GHz, 3x2.42 GHz and 4x1.80 GHz) Kryo 680
GPU
Adreno 660
Exynos: Mali-G78 MP14 / Snapdragon: Adreno 660
GPU
AAdreno 660
BExynos: Mali-G78 MP14 / Snapdragon: Adreno 660
MEMORY
Card slot
None
None
Card slot
ANone
BNone
Internal
128 or 256 GB UFS 3.1
S21, S21+ and S21 FE: 128/256 GB UFS 3.1 / S21 Ultra: 128/256/512 GB UFS 3.1
Internal
A128 or 256 GB UFS 3.1
BS21, S21+ and S21 FE: 128/256 GB UFS 3.1 / S21 Ultra: 128/256/512 GB UFS 3.1
MAIN CAMERA
Video
4K@30/60fps, 1080p@30/60/120/240fps
4K@30/60fps, 1080p@30/60/120/240fps
Video
A4K@30/60fps, 1080p@30/60/120/240fps
B4K@30/60fps, 1080p@30/60/120/240fps
Single
48 MP, , 23mm (wide), 1/1.43", 1.12 μm, 50 MP, , 14mm (ultrawide), 1/1.56", 1.0 μm, 2 MP, f/2.4 (depth) 9 Pro: In addition to above:, 8 MP, , 77mm (telephoto), 1.0 μm, PDAF, OIS, 3.3x optical zoom
—
Single
A48 MP, , 23mm (wide), 1/1.43", 1.12 μm, 50 MP, , 14mm (ultrawide), 1/1.56", 1.0 μm, 2 MP, f/2.4 (depth) 9 Pro: In addition to above:, 8 MP, , 77mm (telephoto), 1.0 μm, PDAF, OIS, 3.3x optical zoom
B—
Dual
—
All: Features: LED flash, auto-HDR, panorama / Video: 8K@24fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS / S21 and S21+: / 12 MP, f/1.8, 26 mm (wide), 1/1.76", 1.8 μm, Dual Pixel PDAF, OIS / 64 MP, f/2.0, 28 mm (telephoto), 1/1.76", 0.8 μm, PDAF, OIS, 1.1x optical, 3x hybrid / 12 MP, f/2.2, 13 mm 120° (ultrawide), 1/2.55" 1.4 μm, Super Steady video S21 Ultra: / 108 MP (2nd gen), f/1.8, 26 mm (wide), 1/1.33", 0.8 μm, PDAF, Laser AF, OIS / 10 MP, f/4.9, 240 mm (periscope telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 10x optical / 10 MP, f/2.4, 70 mm (telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 3x optical / 12 MP, f/2.2, 13 mm (ultrawide), 1/2.55", 1.4 μm, dual pixel PDAF, Super Steady video S21 FE: / 12 MP, f/1.8, 26 mm (wide), Dua
Dual
A—
BAll: Features: LED flash, auto-HDR, panorama / Video: 8K@24fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS / S21 and S21+: / 12 MP, f/1.8, 26 mm (wide), 1/1.76", 1.8 μm, Dual Pixel PDAF, OIS / 64 MP, f/2.0, 28 mm (telephoto), 1/1.76", 0.8 μm, PDAF, OIS, 1.1x optical, 3x hybrid / 12 MP, f/2.2, 13 mm 120° (ultrawide), 1/2.55" 1.4 μm, Super Steady video S21 Ultra: / 108 MP (2nd gen), f/1.8, 26 mm (wide), 1/1.33", 0.8 μm, PDAF, Laser AF, OIS / 10 MP, f/4.9, 240 mm (periscope telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 10x optical / 10 MP, f/2.4, 70 mm (telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 3x optical / 12 MP, f/2.2, 13 mm (ultrawide), 1/2.55", 1.4 μm, dual pixel PDAF, Super Steady video S21 FE: / 12 MP, f/1.8, 26 mm (wide), Dua
SELFIE CAMERA
Single
16 MP, , (wide), 1/3.06", 1.0 μm
S21 and S21+: 10 MP, f/2.2, 26 mm (wide), 1/3.24", 1.22 μm, Dual Pixel PDAF / S21 Ultra: 40 MP, f/2.2, 26 mm (wide), 1/2.8", 0.7 μm, PDAF / S21 FE: 32 MP, f/2.2, 26 mm (wide), 1/2.74", 0.8 μm, Dual Pixel PDAF
Single
A16 MP, , (wide), 1/3.06", 1.0 μm
BS21 and S21+: 10 MP, f/2.2, 26 mm (wide), 1/3.24", 1.22 μm, Dual Pixel PDAF / S21 Ultra: 40 MP, f/2.2, 26 mm (wide), 1/2.8", 0.7 μm, PDAF / S21 FE: 32 MP, f/2.2, 26 mm (wide), 1/2.74", 0.8 μm, Dual Pixel PDAF
SOUND
Loudspeaker
Loudspeaker (stereo)
Dolby Atmos stereo speakers tuned by AKG
Loudspeaker
ALoudspeaker (stereo)
BDolby Atmos stereo speakers tuned by AKG
3.5mm jack
No
No
3.5mm jack
ANo
BNo
COMMS
WLAN
Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band
Bluetooth 5.2 / Wi-Fi 802.11 a/b/g/n/ac/ax(Wi-Fi 6E: S21 Ultra)
WLAN
AWi-Fi 802.11 a/b/g/n/ac/ax, dual-band
BBluetooth 5.2 / Wi-Fi 802.11 a/b/g/n/ac/ax(Wi-Fi 6E: S21 Ultra)
Bluetooth
5.x
5.x, A2DP, LE
Bluetooth
A5.x
B5.x, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS, GALILEO
Yes, with A-GPS, GLONASS, BDS, GALILEO
GPS
AYes, with A-GPS, GLONASS, BDS, GALILEO
BYes, with A-GPS, GLONASS, BDS, GALILEO
USB
USB Type-C
USB Type-C
USB
AUSB Type-C
BUSB Type-C
NFC
Yes
Yes
NFC
AYes
BYes
FEATURES
Sensors
Fingerprint, accelerometer, gyro, proximity, compass, barometer
Fingerprint, accelerometer, gyro, proximity, compass, barometer
Sensors
AFingerprint, accelerometer, gyro, proximity, compass, barometer
BFingerprint, accelerometer, gyro, proximity, compass, barometer
BATTERY
Charging
Fast charging
USB PD: 25W (PPS), 15W (non-PPS) / 15 W QI wireless / 4.5 W Reverse wireless
Charging
AFast charging
BUSB PD: 25W (PPS), 15W (non-PPS) / 15 W QI wireless / 4.5 W Reverse wireless
Battery Type
4500 mAh lithium polymer
S21: 4000 Lithium polymer / S21+: 4800 Lithium polymer / S21 Ultra: 5000 Lithium polymer / S21 FE: 4500 Lithium polymer
Battery Type
A4500 mAh lithium polymer
BS21: 4000 Lithium polymer / S21+: 4800 Lithium polymer / S21 Ultra: 5000 Lithium polymer / S21 FE: 4500 Lithium polymer
Cells highlighted in green indicate a measurably better spec on that phone (battery capacity, RAM, storage, display size). Text-only specs are shown side by side without highlighting.