AMD Opteron 6276 vs Intel Xeon E3-1245 v3

Table of Contents

Physical Specifications

Socket AMD Socket G34 Intel Socket 1150
Process size 32 nm 22 nm
Transistors 2,400 million 1,400 million
Die size 316 mm² 160 mm²
Package FC-LGA12C
Foundry Intel

Performance

Frequency 2.3 GHz 3.4 GHz
Turbo clock up to 3.2 GHz up to 3.8 GHz
Base clock 200 MHz 100 MHz
Multiplier 11.5x 34.0x
Multiplier unlocked No No
TDP 115 W 84 W

Architecture Details

Vertical Segment Server/Workstation Server/Workstation
Production status End-of-life unknown
Release date Nov 14th, 2011 Jun 2nd, 2013
Codename Interlagos Haswell-WS
Generation Opteron Xeon E3
Part OS6276WKTGGGU SR14T
Memory support DDR3 DDR3, DDR4 Dual-channel
ECC memory No Yes
PCI Express Gen 2 Gen 3

Cores

Total Cores 16 4
Total Threads 16 8
SMP # CPUs 4 1
Integrated graphics Intel HD P4600

Cache

Cache L1 768K 64K (per core)
Cache L2 16MB 256K (per core)
Cache L3 8MB (per die) 8MB (shared)

Notes

Notes 16KB L1 data cache per core. 64KB L1 instruction cache shared per two cores (per module). 2MB L2 cache shared per two cores (per module). 8MB L3 cache shared per eight cores (per die). 14MB total L3 cache available when using HT Assist.

Features & Technologies

AES Yes
AES-NI Yes
AMD-V Yes
AMD64 Yes
AVX Yes Yes
AVX2 Yes
BMI1 Yes
BMI2 Yes
CLMUL Yes
CVT16 Yes
ECC Yes
EIST Yes
EVP Yes
F16C Yes
FMA3 Yes
FMA4 Yes
HTT Yes
Intel 64 Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes Yes
SSE4A Yes
SSSE3 Yes Yes
TXT Yes
VT-d Yes
VT-x Yes
XD bit Yes
XOP Yes
vPro Yes
x8 SDDC Yes

Compare

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