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OnePlus 7T vs Lava Iris Atom X

 
Brief information about compared phones: Lava Iris Atom X , OnePlus 7T

Lava Iris Atom X 2015 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 2 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 TFT Fluid AMOLED
Touchscreen capacitive touchscreen capacitive touchscreen
Display colors 16M
Screen size 4" inch 6.55" inch
Screen area 45.5 cm2 103.6 cm2
Screen format 5:3 (height:width) 20:9 (height:width)
Screen to body ratio 57.2% 86.5%
Screen resolution 480 x 800 px 1080 x 2400 px
PPI /points per inch/ 233 PPI 402 PPI
Screen protection Corning Gorilla Glass
Camera and Video Rear camera, main 2 MP, Single 48 MP, Triple
Camera specs 2 MP 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 LED flash Auto-HDR
Video Yes 1080p@30fps, gyro-EIS
Front camera, selfie 0.3 MP, Single 16 MP, Single
Specifications VGA 16 MP, f/2.0, 25mm (wide), 1/3.1'', 1.0µm
Performance Operating system OS Android 4.4.2 (KitKat) Android 10.0
Chipset Qualcomm SDM855 Snapdragon 855+ (7 nm)
Processor CPU 1.0 GHz Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU Adreno 640 (700 MHz)
External memory microSD, up to 32 GB No
Internal memory 512 MB, 256 MB RAM 128GB 8GB RAM, 256GB 8GB RAM, UFS3.0
Antutu 7 score 401214
Antutu 8 score 494705
GeekBench 5 Single Core 761
GeekBench 5 Multi-Core 2697
General specs Release date 2015, November 2019, September 26
Dimensions (HxWxD) 125.5 Х 63.4 Х 9.7 mm 160.9 Х 74.4 Х 8.1 mm
Weight 0 g 190 g
Colors Black, White Frosted Silver, Glacier blue
Battery 1400 mAh,  Removable Li-Ion 3800 mAh,  Non-removable Li-Po
Approximate price 600 EUR
Battery life Stand by time- Up to 140 h Talking time- Up to 7 h
Body build Front glass (Gorilla Glass), back glass (Gorilla Glass), aluminum frame
Communication and Connectivity SIM card Dual SIM Dual SIM (Nano-SIM, dual stand-by)
Network Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 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 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 b/g/n, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
GPS Yes, with A-GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS
NFC Yes
USB microUSB 2.0 3.1, Type-C 1.0 reversible connector, USB On-The-Go
Bluetooth 2.1, EDR 5.0, A2DP, LE, aptX HD
Music and Audio Radio FM radio No
Headphone jack Yes No
Others DCI-P3 100% -HDR10+ -90Hz
Other features Dop Sensors Accelerometer For India 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 Iris Atom X
  • Internal memory 256 GB
  • External memory microSD GB
Reasons to buy 7T
  • Screen 6.55"
  • Front camera 16 MP
  • Main camera 48 MP