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OnePlus 7T vs BlackBerry Key2

 
Brief information about compared phones: BlackBerry Key2 , OnePlus 7T

BlackBerry Key2 2018 year of release. cpu Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260). screen 4.5". with resolution 1080x1620. Smartphone has 8 megapixel front camera and 12 megapixel main camera .

OnePlus 7T 2019 year of release. cpu Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485). screen 6.55". with resolution 1080x2400. Smartphone has 16 megapixel front camera and 48 megapixel main camera .

Display Technology IPS LCD Fluid AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 4.5" inch 6.55" inch
Screen area 60.0 cm2 103.6 cm2
Screen format 3:2 (height:width) 20:9 (height:width)
Screen to body ratio 55.2% 86.5%
Screen resolution 1080 x 1620 px 1080 x 2400 px
PPI /points per inch/ 434 PPI 402 PPI
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass
Camera and Video Rear camera, main 12 MP, Dual 48 MP, Triple
Camera specs 12 MP, f/1.8, 1/2.3'', 1.28µm, dual pixel PDAF -12 MP, f/2.6, 1/3.4'', 1.0µm, PDAF 48 MP, f/1.6, 26mm (wide), 1/2'', 0.8µm, PDAF, OIS -12 MP, f/2.2, 51mm (telephoto), 1.0µm, 2x optical zoom -16 MP, 17mm (ultrawide), AF
Functions Dual-LED dual-tone flash, HDR, panorama Auto-HDR
Video 1080p@30fps 1080p@30fps, gyro-EIS
Front camera, selfie 8 MP, Single 16 MP, Single
Specifications 8 MP, f/2.0, 1/4'', 1.12µm 16 MP, f/2.0, 25mm (wide), 1/3.1'', 1.0µm
Performance Operating system OS Android 8.1 (Oreo) Android 10.0
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Qualcomm SDM855 Snapdragon 855+ (7 nm)
Processor CPU Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU Adreno 512 Adreno 640 (700 MHz)
External memory microSD, up to 256 GB No
Internal memory 64/128 GB, 6 GB RAM 128GB 8GB RAM, 256GB 8GB RAM, UFS3.0
Antutu 7 score 104256 401214
GeekBench 4 Single Core 1628
GeekBench 4 Multi-Core 5894
Antutu 8 score 494705
GeekBench 5 Single Core 761
GeekBench 5 Multi-Core 2697
General specs Release date 2018, June 2019, September 26
Dimensions (HxWxD) 151.4 Х 71.8 Х 8.5 mm 160.9 Х 74.4 Х 8.1 mm
Weight 168 g 190 g
Colors Black, Silver Frosted Silver, Glacier blue
Battery 3500 mAh,  Non-removable Li-Ion 3800 mAh,  Non-removable Li-Po
Approximate price 500 EUR 600 EUR
Body build aluminum frame (7000 series), plastic back Front glass (Gorilla Glass), back glass (Gorilla Glass), aluminum frame
Communication and Connectivity SIM card Single SIM (Nano-SIM)Dual SIM (Nano-SIM, dual stand-by) - BBF100-6 only Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (BBF100-6 model only) -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), 12(700), 13(700), 17(700), 19(800), 20(800), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) - EU, Africa, AU (BBF100-1)  LTE band 1(2100), 14(700), 29(700), 30(2300), 41(2500), 66(1700/2100) - Canada, US, LATAM (BBF100-2)  LTE band 1(2100), 41(2500) - ME, APAC, India (BBF100-6)  LTE band 1(2100), 41(2500) - China (BBF100-4) Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2  CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) - EU  LTE band 1(2100), 30(2300), 46, 48, 66(1700/2100), 71(600) - NA  LTE band 1(2100), 41(2500) - CN, IN
Speed HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/75 Mbps HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 1200/150 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, Wi-Fi Direct, DLNA, hotspot
GPS Yes, with A-GPS, GLONASS, BDS2 Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS
NFC Yes Yes
USB 3.0, Type-C 1.0 reversible connector, USB On-The-Go 3.1, Type-C 1.0 reversible connector, USB On-The-Go
Bluetooth 5.0, A2DP, LE, EDR 5.0, A2DP, LE, aptX HD
Harmful irradiation SAR EU - 0.72 W/kg (head)     1.68 W/kg (body)    
Music and Audio Radio FM radio No
Headphone jack Yes No
Others Active noise cancellation with dedicated mic DCI-P3 100% -HDR10+ -90Hz
Other features Dop Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Fast battery charging: 50% in 36 min (Quick Charge 3.0) - Capacitive touch 4-row BlackBerry keyboard - Versions: BBF100-1 (EU, Africa, AU); BBF100-2 (Canada, US, LATAM); BBF100-6 (ME, APAC, India); BBF100-4 (China) Also known as BlackBerry Athena Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass - Fast battery charging 30W (Warp Charge 30T)

An overview of the main advantages of each of the devices

Reasons to buy Key2
  • Front camera 8 MP
  • External memory microSD GB
Reasons to buy 7T
  • Screen 6.55"
  • Front camera 16 MP
  • Main camera 48 MP