Shipping I i7-4790K i7 4790K(4.0GHz/8MB /4 cores /Socket 1150/5 GT/s)Quad c Desktop CPU
I c i7-4790K specifications
The specs can be used for short-term
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General information
Type CPU / Microprocessor
Market segment Desktop
Family I c i7
Model number ? i7-4790K
CPU part numbers CM8064601710501 is an OEM/tray microprocessor
BX80646I74790K is a boxed processor with fan and heatsink (English version)
BXC80646I74790K is a boxed processor with fan and heatsink (Chinese version)
BXF80646I74790K is 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/s
Clock multiplier ? 40
Package 1150-land Flip-Chip Land Grid Array
Socket Socket 1150 / H3 / LGA1150
S-spec numbers
Part number ES/QS processors Production processors
QG81 SR219
BX80646I74790K +
BXC80646I74790K +
BXF80646I74790K +
CM8064601710501 +
Unknown +
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
Features 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