AMD EPYC Embedded 3251 vs AMD Phenom II X2 B57

Table of Contents

Physical Specifications

Socket AMD BGA SP4r2 AMD Socket AM3
Foundry GlobalFoundries
Process size 14 nm 45 nm
Transistors 4,800 million 758 million
Die size 213 mm² 258 mm²
Package FC-BGASP4r2 µPGA
tCaseMax 105°C

Performance

Frequency 2.5 GHz 3.2 GHz
Turbo clock up to 3.1 GHz
Base clock 100 MHz 200 MHz
Multiplier 25.0x 16.0x
Multiplier unlocked Yes No
TDP 50 W 80 W
Voltage 1.425 V

Architecture Details

Vertical Segment Server/Workstation Desktop
Production status Active End-of-life
Release date Feb 21st, 2018 May 11th, 2010
Codename Zen Callisto
Generation EPYC Embedded Phenom II X2
Part unknown HDXB57WFK2DGM
Memory support DDR4-2666 MHz Dual-channel DDR3 Dual-channel
ECC memory Yes No
PCI Express Gen 3 Gen 2

Cores

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

Cache

Cache L1 96K (per core) 128K (per core)
Cache L2 512K (per core) 512K (per core)
Cache L3 16MB (shared) 6MB (shared)

Notes

Notes This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. AMD Business Class processor, availability guaranteed for 24 months after release.

Features & Technologies

3DNow! Yes Yes
AMD-V Yes Yes
AMD64 Yes Yes
CnQ Yes
MMX Yes Yes
NX bit Yes Yes
SMT Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4A Yes Yes

Compare

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