MacBook Pro (17-inch, Early 2011) – Technical Specifications
2.2GHz MacBook Pro (MC725LL/A)
Processor 2.2GHz quad-core Intel Core i7
L3 cache 6MB shared
Memory 4GB (two 2GB SO-DIMMs) of 1333MHz DDR3 SDRAM; supports up to 16GB
Hard drive6 750GB Serial ATA; 5400 rpm
14 more rows•Aug 11, 2011

iMac (Retina 4K, 21.5-inch, 2017) – Technical Specifications

Display
Retina 4K display
21.5-inch (diagonal) Retina 4K display
4096-by-2304 resolution with support for one billion colors
500 nits brightness
Wide color (P3)
Processor
3.0GHz
3.0GHz quad‑core Intel Core i5 (Turbo Boost up to 3.5GHz)
Configurable to 3.6GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)
3.4GHz
3.4GHz quad-core Intel Core i5 (Turbo Boost up to 3.8GHz)
Configurable to 3.6GHz quad-core Intel Core i7 (Turbo Boost up to 4.2GHz)
Memory
3.0GHz
8GB of 2400MHz DDR4 memory
Configurable to 16GB
3.4GHz
8GB of 2400MHz DDR4 memory
Configurable to 16GB or 32GB
Storage1
3.0GHz
1TB (5400-rpm) hard drive
Configurable to 1TB Fusion Drive or 256GB or 512GB SSD
3.4GHz
1TB Fusion Drive
Configurable to 256GB, 512GB, or 1TB SSD
Graphics
3.0GHz
Radeon Pro 555 with 2GB of VRAM