2.8 GHz Intel Core i7. OS X 10.13 High Sierra (can be updated to current macOS for free through the App Store by user with his/her Apple ID). Very Good Battery and Apple charger. This MacBook Pro is in overall fair shape and runs great! Will have heavier sings of wear.
This model is powered by a 22 nm, 64-bit "Fourth Generation" Intel Mobile Core i7 "Haswell/Crystalwell" (I7-4980HQ) processor which includes. Independent processor "cores" on a single silicon chip. Each core has a dedicated 256k level 2 cache, shares 6 MB of level 3 cache, and has an integrated memory controller (dual channel).
This system also supports "Turbo Boost 2.0" -- which "automatically increases the speed of the active cores" to improve performance when needed (up to 4.0 GHz for this model) -- and "Hyper Threading" -- which allows the system to recognize eight total "cores" or "threads" (four real and four virtual). This model has a 15.4 color widescreen LED-backlit display with IPS technology with a 2880 by 1800 native resolution at 220 ppi (178-degree viewing angle). It also supports scaled resolutions of 1920 by 1200, 1680 by 1050, 1280 by 800, and 1024 by 640.
This model can support a single external display up to 5120x2160 at 60 Hz via Thunderbolt 2. Via HDMI video output, it can support 1080p up to 60 Hz, 3840x2160 at 30 Hz, and 4096x2160 at 24 Hz.
This model has dual graphics processors -- an AMD Radeon R9 M370X with 2 GB of dedicated GDDR5 SDRAM. An Intel Iris Pro 5200 with 128 MB of "Crystalwell" embedded DRAM (and shared system memory). The system automatically switches between graphics systems based on use (when applications use OpenGL, Core Graphics or other graphically demanding technologies, the system will use the dedicated AMD graphics, otherwise it will use the integrated Intel graphics to conserve battery life). The item "Mid 2015 15 Apple MacBook Pro Retina 2.8GHz i7/16GB/512GB MJLU2LL/A 2" is in sale since Tuesday, April 14, 2020. This item is in the category "Computers/Tablets & Networking\Laptops & Netbooks\Apple Laptops".The seller is "sauce-ferna" and is located in Hampstead, North Carolina. This item can be shipped to United States.