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Oppo R17

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vivo X21

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Comparison - Oppo R17 vs vivo X21

Oppo R17 is smartphone from 2018 year with weight of 182 grams and size 157.5 x 74.9 x 7.5 mm.. It has a screen of 6.4 inches, camera 16 MP and memory 128 GB, 8 GB RAM. Its processor is Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)

vivo X21 is smartphone from 2018 year with weight of 156.2 grams and size 154.5 x 74.8 x 7.4 mm.. It has a screen of 6.28 inches, camera 12 MP and memory 64/128 GB, 6 GB RAM. Its processor is Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)

For a full comparison of all specs check the table below .


Common features
Release date 2018 2018
Dimensions (HxWxD) 157.5 Х 74.9 Х 7.5 mm 154.5 Х 74.8 Х 7.4 mm
Weight 182 g 156.2 g
Body Build Front glass, aluminum body
Colors Stream Blue, Neon Purple Black, Aurora White, Ruby Red
Battery 3500 mAh,  Non-removable Li-Po 3200 mAh,  Non-removable Li-Ion
Approximate price 460 EUR 450 EUR

Performance
Operating system - OS Android 8.1 (Oreo); ColorOS 5.2 Android 8.1 (Oreo); Funtouch 4
Chipset - Qualcomm SDM670 Snapdragon 670 (10 nm) - Qualcomm SDM660 Snapdragon 660 (14 nm)
Processor CPU - Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver) - Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Adreno 615 Adreno 512
External memory microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB (uses SIM 2 slot)
Internal memory 128 GB, 8 GB RAM 64/128 GB, 6 GB RAM
Antutu score 175329 143205

Screen
Technology AMOLED Super AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 6.4" inc 6.28" inc
Screen area 102.2 cm2 98.4 cm2
Screen format 19:9 (height:width) 19:9 (height:width)
Screen to body ratio 86.7% 85.2%
Screen resolution 1080 x 2280 px 1080 x 2280 px
Screen PPI /points per inch/ 394 PPI 402 PPI
Screen protection Corning Gorilla Glass 6
Camera and Video
Rear camera, main 16 MP, Dual 12 MP, Dual
Camera specs -16 MP, f/1.8, 25mm (wide), 1/2.6'', 1.22µm, PDAF
-5 MP, depth sensor
-12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF
-5 MP, f/2.4, depth sensor
Functions Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Video 2160p@30fps, 1080p@30fps 1080p@30fps
Front camera, selfie 25 MP, Single 12 MP, Single
Specifications 25 MP, f/2.0, 1/2.8'', 0.9µm 12 MP, f/2.0
Functions HDR
Video 1080p@30fps 1080p@30fps
Communication and Connectivity
SIM card Hybrid Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / LTE
Bands -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 
CDMA 800 & TD-SCDMA
-3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
-4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 
CDMA 800 & TD-SCDMA
-3G - HSDPA 850 / 900 / 1900 / 2100
-4G - LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/5.76 Mbps, LTE-A Cat15 800/150 Mbps HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
GPRS Yes Yes
Edge Yes Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
NFC
USB microUSB 2.0, USB On-The-Go microUSB 2.0, USB On-The-Go
Bluetooth 4.2, A2DP, LE, EDR 5.0, A2DP, LE
Music and Audio
Radio No FM radio
Headphone jack Yes Yes
Others - Active noise cancellation with dedicated mic - 32-bit/192kHz audio
-Active noise cancellation with dedicated mic
Other features
Sensors - Fingerprint (under display), accelerometer, gyro, proximity, compass - Fingerprint (rear-mounted), accelerometer, proximity, compass
Other extras
- Fast battery charging: VOOC Flash Charge 5V/4A

- Fast battery charging

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