I7-4790K specifications
General information
Type
CPU / Microprocessor
Market segment
Desktop
Family
Model number?
i7-4790K
CPU part numbers
CM8064601710501is an OEM/tray microprocessor
BX80646I74790Kis a boxed processor with fan and heatsink (English version)
BXC80646I74790Kis a boxed processor with fan and heatsink (Chinese version)
BXF80646I74790Kis a boxed processor without fan and heatsink
Frequency?
4000 MHz
Maximum turbo frequency
4200 MHz (4 cores)
4300 MHz (3 cores)
4400 MHz (1 or 2 cores)
Bus speed?
5 GT/sDMI
Clock multiplier?
40
Package
1150-land Flip-Chip Land Grid Array
Socket
Socket 1150 / H3 / LGA1150
Architecture / Microarchitecture
Microarchitecture
Haswell
Processor c?
Devil's Canyon
c stepping?
C0 (QG81, SR219)
CPUID
306C3 (QG81)
Manufacturing process
0.022 micron
Data width
64 bit
The number of CPU cores
4
The number of threads
8
Floating Point Unit
Integrated
Level 1 cache size?
4 x 32 KB 8-way set associative instruction caches
4 x 32 KB 8-way set associative data caches
Level 2 cache size?
4 x 256 KB 8-way set associative caches
Level 3 cache size
8 MB 16-way set associative shared cache
Physical memory
32 GB
Multiprocessing
Uniprocessor
Extensions and Technologies
MMX instructions
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4?
AES / Advanced Encryption Standard instructions
AVX / Advanced Vector Extensions
AVX2 / Advanced Vector Extensions 2.0
BMI / BMI1 + BMI2 / Bit Manipulation instructions
F16C / 16-bit Floating-Point conversion instructions
FMA3 / 3-operand Fused Multiply-Add instructions
EM64T / Extended Memory 64 technology / I 64?
NX / XD / Execute disable bit?
HT / Hyper-Threading technology?
VT-x / Virtualization technology?
VT-d / Virtualization for directed I/O
TBT 2.0 / Turbo Boost technology 2.0?
TSX / Transactional Synchronization Extensions
Low power features
Enhanced / technology?
Integrated peripherals / components
Integrated graphics
GPU Type: HD 4600
Graphics tier: GT2
Microarchitecture: Gen 7.5
Execution units: 20
Base frequency (MHz): 350
Maximum frequency (MHz): 1250
The number of supported displays: 3
Memory controller
The number of controllers: 1
Memory channels: 2
Supported memory: DDR3-1333, DDR3-1600
Maximum memory bandwidth (GB/s): 25.6
Other peripherals
Direct Media Interface 2.0
PCI Express 3.0 interface
Electrical / Thermal parameters
Maximum operating temperature?
72.72°C
Thermal Design Power?
88 Watt