Intel Core i3-4340 vs Intel Core i7-975

Table of Contents

Physical Specifications

Socket Intel Socket 1150 Intel Socket 1366
Foundry Intel Intel
Process size 22 nm 45 nm
Transistors 1,400 million 731 million
Die size 177 mm² 263 mm²
Package FC-LGA12C FC-LGA8
tCaseMax 72°C

Performance

Frequency 3.6 GHz 3.333 GHz
Turbo clock up to 3.6 GHz
Base clock 100 MHz 133 MHz
Multiplier 36.0x 25.0x
Multiplier unlocked No Yes
TDP 54 W 130 W
Voltage 1.375 V

Architecture Details

Vertical Segment Desktop Desktop
Production status unknown End-of-life
Release date Sep 1st, 2013 Jun 2nd, 2009
Codename Haswell Bloomfield
Generation Core i3 Core i7
Part SR1NL SLBEQ
Memory support DDR3 Dual-channel DDR3 Triple-channel
ECC memory No No
PCI Express Gen 3 Gen 2

Cores

Total Cores 2 4
Total Threads 4 8
SMP # CPUs 1 1
Integrated graphics Intel HD 4600

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 4MB (shared) 8MB (shared)

Features & Technologies

AES-NI Yes
AVX Yes
AVX2 Yes
CLMUL Yes
EIST Yes Yes
FMA3 Yes
HTT Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SMT Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.2 Yes Yes
SSSE3 Yes
TSX Yes
TXT Yes
VT-x Yes Yes
XD bit Yes
XD-Bit Yes

Notes

Notes This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label.

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