Intel Core i7-7820X vs Intel Xeon E5-2643

Table of Contents

Physical Specifications

Socket Intel Socket 2066 Intel Socket 2011
Foundry Intel Intel
Process size 14 nm 32 nm
Transistors unknown 1,270 million
Die size unknown 294 mm²
Package FC-LGA2066 FC-LGA10
tCaseMax 72°C

Performance

Frequency 3.6 GHz 3.3 GHz
Turbo clock up to 4.5 GHz up to 3.5 GHz
Base clock 100 MHz 100 MHz
Multiplier 36.0x 33.0x
Multiplier unlocked Yes No
TDP 140 W 130 W
Voltage 1.35 V

Architecture Details

Vertical Segment Desktop Server/Workstation
Production status Active unknown
Release date Jun 26th, 2017 Mar 6th, 2012
Codename Skylake-X Sandy Bridge-EP
Generation Core i7 Xeon E5
Part unknown SR0L7
Memory support DDR4 Quad-channel DDR3 Quad-channel
ECC memory No Yes
PCI Express Gen 3 Gen 3

Cores

Total Cores 8 4
Total Threads 16 8
SMP # CPUs 1 2
Integrated graphics

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 1MB (per core) 256K (per core)
Cache L3 11MB (shared) 10MB (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

8.0GT/s QPI Yes
AES-NI Yes Yes
AVX Yes Yes
AVX-512 Yes
AVX2 Yes
BMI1 Yes
BMI2 Yes
Boost 2.0 Yes
CLMUL 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
TSX Yes
TXT Yes Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes Yes

Compare

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