Template:mpu The Intel Core i7-4870HQ is a quad core 64-bit microprocessor designed by Intel in 2014. The microprocessor is based on the Haswell microarchitecture. This MPU includes the Intel Iris Pro 5200 integrated graphic and features a large 128 MB L4$ cache called Crystal Well.

Cache

Main article: Haswell § Cache

This specific microprocessor includes the Crystal Well cache.

Cache Info [Edit Values]
L1I$	128 KiB 131,072 B 0.125 MiB	4x32 KiB 8-way set associative (per core, write-back)
L1D$	128 KiB 131,072 B 0.125 MiB	4x32 KiB 8-way set associative (per core, write-back)
L2$	1 MiB 1,024 KiB 1,048,576 B 9.765625e-4 GiB	4x256 KiB 8-way set associative (per core, write-back)
L3$	6 MiB 6,144 KiB 6,291,456 B 0.00586 GiB	12-way set associative (shared)
L4$	128 MiB 131,072 KiB 134,217,728 B 0.125 GiB	16-way set associative (see Crystal Well)

Graphics

Integrated Graphic Information
GPU	Intel Iris Pro Graphics 5200
Displays	3
Frequency	200 MHz 0.2 GHz 200,000 KHz
Max frequency	1200 MHz 1.2 GHz 1,200,000 KHz
Output	DisplayPort, Embedded DisplayPort, HDMI, VGA
DirectX	11.2, 12
OpenGL	4.3
Max HDMI Res	2560x1600 @60 Hz
Max DP Res	3840x2160 @60 Hz
Max VGA Res	1920x1200 @60 Hz

Memory controller

Integrated Memory Controller
Type	DDR3L-1333, DDR3L-1600
Controllers	1
Channels	2
ECC Support	No
Max bandwidth	25,600 MB/s
Max memory	32,768 MB