Intel Xeon E3-1285 v4 vs Intel Xeon E5-2420 v2

Physical Specifications

Socket Intel Socket 1150 Intel Socket 1356
Foundry Intel Intel
Process size 14 nm 22 nm
Transistors 1,400 million 1,400 million
Die size 160 mm² 160 mm²
Package FC-LGA12C


Frequency 3.5 GHz 2.2 GHz
Turbo clock up to 3.8 GHz
Base clock 100 MHz 100 MHz
Multiplier 35.0x 22.0x
Multiplier unlocked No No
TDP 95 W 80 W

Architecture Details

Vertical Segment Server/Workstation Server/Workstation
Production status unknown unknown
Release date Jun 2nd, 2015 Sep 1st, 2013
Codename Broadwell-DT Ivy Bridge-EN
Generation Xeon E3 Xeon E5
Memory support DDR4 Dual-channel DDR3
ECC memory Yes Yes
PCI Express Gen 3


Total Cores 4 6
Total Threads 8 12
SMP # CPUs 1 2
Integrated graphics Intel Iris Pro P6300


Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 6MB (shared) 15MB (shared)

Features & Technologies

AES-NI Yes Yes
AVX Yes Yes
AVX2 Yes
BMI1 Yes
BMI2 Yes
ECC Yes Yes
EIST Yes Yes
F16C Yes 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 Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes Yes
vPro Yes
x8 SDDC Yes


Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.