Intel Core i7-4770K vs Intel Core i7-4771

Physical Specifications

Socket Intel Socket 1150 Intel Socket 1150
Foundry Intel Intel
Process size 22 nm 22 nm
Transistors 1,400 million 1,400 million
Die size 177 mm² 177 mm²
Package
tCaseMax 72°C 72°C

Performance

Frequency 3.5 GHz 3.5 GHz
Turbo clock up to 3.9 GHz up to 3.9 GHz
Base clock 100 MHz 100 MHz
Multiplier 35.0x 35.0x
Multiplier unlocked Yes No
TDP 84 W 84 W

Architecture Details

Vertical Segment Desktop Desktop
Production status Active Active
Release date Jun 2nd, 2013 Sep 1st, 2013
Codename Haswell Haswell
Generation Core i7 Core i7
Part SR147 SR1BW
Memory support DDR3 Dual-channel DDR3 Dual-channel
ECC memory No No
PCI Express Gen 3 Gen 3

Cores

Total Cores 4 4
Total Threads 8 8
SMP # CPUs 1 1
Integrated graphics Intel HD 4600 Intel HD 4600

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 8MB (shared) 8MB (shared)

Notes

Notes This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking.

Features & Technologies

AES-NI Yes Yes
AVX Yes Yes
AVX2 Yes Yes
BMI1 Yes Yes
BMI2 Yes Yes
Boost 2.0 Yes Yes
CLMUL Yes Yes
EIST Yes Yes
F16C Yes Yes
FMA3 Yes Yes
HTT Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes Yes
TSX Yes
TXT Yes
VT-d Yes
VT-x Yes Yes
XD bit Yes Yes
vPro Yes

Compare

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