Intel Core i7-4820K vs Intel Xeon E3-1270 v3

Table of Contents

Physical Specifications

Socket Intel Socket 2011 Intel Socket 1150
Foundry Intel Intel
Process size 22 nm 22 nm
Transistors 1,860 million 1,400 million
Die size 257 mm² 160 mm²
Package FC-LGA10 FC-LGA12C

Performance

Frequency 3.7 GHz 3.5 GHz
Turbo clock up to 3.9 GHz up to 3.9 GHz
Base clock 100 MHz 100 MHz
Multiplier 37.0x 35.0x
Multiplier unlocked Yes No
Voltage 1.35 V
TDP 130 W 80 W

Architecture Details

Vertical Segment Desktop Server/Workstation
Production status unknown unknown
Release date Sep 1st, 2013 Jun 2nd, 2013
Codename Ivy Bridge-E Haswell-WS
Generation Core i7 Xeon E3
Part SR1AU SR151
Memory support DDR3 Quad-channel DDR3, DDR4 Dual-channel
ECC memory No Yes
PCI Express Gen 3 Gen 3

Cores

Total Cores 4 4
Total Threads 8 8
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 10MB (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
BMI1 Yes
BMI2 Yes
ECC Yes
EIST Yes Yes
F16C Yes
FMA3 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
TXT Yes
VT-d Yes
VT-x Yes Yes
XD bit Yes Yes
vPro Yes
x8 SDDC Yes

Compare

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