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OnePlus 7T vs OnePlus 2

 
Brief information about compared phones: OnePlus 2 , OnePlus 7T

OnePlus 2 2015 year of release. cpu Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57). screen 5.5". with resolution 1080x1920. Smartphone has 5 megapixel front camera and 13 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 LTPS IPS LCD Fluid AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M 16M
Screen size 5.5" inch 6.55" inch
Screen area 83.4 cm2 103.6 cm2
Screen format 16:9 (height:width) 20:9 (height:width)
Screen to body ratio 73.3% 86.5%
Screen resolution 1080 x 1920 px 1080 x 2400 px
PPI /points per inch/ 401 PPI 402 PPI
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass
Camera and Video Rear camera, main 13 MP, Single 48 MP, Triple
Camera specs 13 MP, f/2.0, 1/2.6'', 1.3µm, OIS, laser AF 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 flash, panorama, HDR Auto-HDR
Video 720p@30fps 1080p@30fps, gyro-EIS
Front camera, selfie 5 MP, Single 16 MP, Single
Specifications 5 MP, f/2.4 16 MP, f/2.0, 25mm (wide), 1/3.1'', 1.0µm
Performance Operating system OS Android 5.1 (Lollipop), upgradable to 6.0.1 (Marshmallow); Oxygen 3.5.6 UI Android 10.0
Chipset Qualcomm MSM8994 Snapdragon 810 (20 nm) Qualcomm SDM855 Snapdragon 855+ (7 nm)
Processor CPU Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57) Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU Adreno 430 Adreno 640 (700 MHz)
External memory No No
Internal memory 16 GB, 3 GB RAM64 GB, 512GB 4GB 128GB 8GB RAM, 256GB 8GB RAM, UFS3.0
Antutu 7 score 91253 401214
GeekBench 4 Single Core 1050
GeekBench 4 Multi-Core 2740
GeekBench 4 RenderScript 3510
Antutu 8 score 494705
GeekBench 4 Battery 1209
GeekBench 5 Single Core 208 761
GeekBench 5 Multi-Core 591 2697
General specs Release date 2015, July 2019, September 26
Dimensions (HxWxD) 151.8 Х 74.9 Х 9.9 mm 160.9 Х 74.4 Х 8.1 mm
Weight 175 g 190 g
Colors Sandstone Black Frosted Silver, Glacier blue
Battery 3300 mAh,  Non-removable Li-Po 3800 mAh,  Non-removable Li-Po
Approximate price 300 EUR 600 EUR
Body build aluminum frame, plastic back Front glass (Gorilla Glass), back glass (Gorilla Glass), aluminum frame
Communication and Connectivity SIM card Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) 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 Cat4 150/50 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, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
GPS Yes, with A-GPS, GLONASS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS
NFC Yes
USB 2.0, Type-C 1.0 reversible connector 3.1, Type-C 1.0 reversible connector, USB On-The-Go
Bluetooth 4.1, A2DP 5.0, A2DP, LE, aptX HD
Harmful irradiation SAR EU - 0.43 W/kg (head)     0.20 W/kg (body)    
Music and Audio Radio No 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 - Also known as OnePlus Two 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 2
  • Screen 5.5"
  • Internal memory 512 GB
Reasons to buy 7T
  • Screen 6.55"
  • Front camera 16 MP
  • Main camera 48 MP