Essentials
Product Collection 4th Generation Intel® Core™ i7 Processors
Code Name Products formerly Devil's Canyon
Vertical Segment Desktop
Processor Number i7-4790K
Lithography 22 nm
CPU Specifications
Total Cores 4
Total Threads 8
Max Turbo
Frequency 4.40
GHz
Intel® Turbo Boost 4.40 GHz
Technology 2.0
Frequency‡
Processor Base
Frequency 4.00 GHz
Cache 8 MB Intel® Smart Cache
Bus Speed 5 GT/s
TDP 88 W
Supplemental Information
Launch Date Q2'14
Expected
Discontinuance 07/14/2017
Embedded Options
Available No
Datasheet View now
Memory Specifications
Max Memory Size 32 GB
Memory Types DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Max # of Memory
Channels 2
Max Memory
Bandwidth 25.6 GB/s
ECC Memory
Supported ‡ No
GPU Specifications
GPU Name Intel®
HD Graphics 4600
Graphics Base
Frequency 350 MHz
Graphics Max Dynamic 1.25
GHz
Frequency
Graphics Video Max
Memory 2 GB
Graphics Output eDP/DP/HDMI/DVI/VGA
Execution Units 20
Max Resolution (HDMI)‡ 3840x2160@24Hz
Max Resolution
(DP)‡ 3840x2160@60Hz
Max Resolution 3840x2160@60Hz
(eDP - Integrated Flat
Panel)
Max Resolution (VGA) 1920x1200@60Hz
DirectX* Support 11.2/12
OpenGL* Support 4.3
Intel® Quick Sync
Video Yes
Intel® InTru™ 3D
Technology Yes
Intel® Flexible
Display Interface Yes
(Intel® FDI)
Intel® Clear Video HD
Technology Yes
# of Displays
Supported ‡ 3
Device ID 0x412
Expansion Options
Scalability 1S
Only
PCI Express Revision 3.0
PCI Express
Configurations Up to
1x16, 2x8, 1x8+2x4
Max # of PCI Express
Lanes 16
Package Specifications
Sockets Supported FCLGA1150
Max CPU Configuration 1
Thermal Solution
Specification PCG 2013D
TCASE 74.04°C
Package Size 37.5mm x
37.5mm
Advanced Technologies
Intel® Turbo Boost
Technology 2.0
Intel® Hyper-Threading
Technology Yes
Intel® Transactional No
Synchronization
Extensions
Intel® 64 Yes
Instruction Set 64-bit
Instruction Set
Extensions Intel®
SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel® My WiFi
Technology Yes
Idle States Yes
Enhanced Intel Yes
SpeedStep®
Technology
Thermal Monitoring
Technologies Yes
Intel® Identity
Protection Technology Yes
Security & Reliability
Intel® AES New
Instructions Yes
Secure Key Yes
Intel® OS Guard Yes
Intel® Trusted
Execution Technology No
Execute Disable Bit Yes
Anti-Theft Technology Yes
Intel® Stable IT No
Platform Program
(SIPP)
Intel® Virtualization Yes
Technology
(VT-x) ‡
Intel® Virtualization Yes
Technology for
Directed I/O (VT-d) ‡
Intel® VT-x with
Extended Yes
Page Tables
(EPT) ‡