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AMD EPYC Embedded 3251 vs AMD EPYC Embedded 3255: Comparison
EPYC Embedded 3251 vs EPYC Embedded 3255: the tdp difference
They are built to different briefs, and tdp shows it, EPYC Embedded 3251 55 W against EPYC Embedded 3255 25-55W. They differ on junction temp range too, 0-105°C on the EPYC Embedded 3251 versus -40-105°C on the EPYC Embedded 3255.
EPYC Embedded 3251 vs EPYC Embedded 3255: which one fits your build
Buy the EPYC Embedded 3251 for industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is not the pick for consumer desktop or gaming builds and DIY PC upgrades. The EPYC Embedded 3255 suits industrial and embedded system designs and long-lifecycle networking and edge-compute deployments, though it is not built for consumer desktop or gaming builds and DIY PC upgrades.
What EPYC Embedded 3251 and EPYC Embedded 3255 have in common
Where they agree, they agree completely, boost clock, l3 cache, pcie lanes, core count and thread count included, so the decision does not turn on any of those. They match on 11 further specifications as well.
Frequently asked questions
Is the Core Architecture the same on the EPYC Embedded 3251 and EPYC Embedded 3255?
It is. Both are listed at Zen, so it is not a reason to pick one over the other.
Specs and benchmarks
Core Count
- AMD EPYC Embedded 3251
- 8 cores
- AMD EPYC Embedded 3255
- 8 cores
Thread Count
- AMD EPYC Embedded 3251
- 16 threads
- AMD EPYC Embedded 3255
- 16 threads
Core Architecture
- AMD EPYC Embedded 3251
- Zen
- AMD EPYC Embedded 3255
- Zen
Base Clock
- AMD EPYC Embedded 3251
- 2.5 GHz
- AMD EPYC Embedded 3255
- 2.5 GHz
Boost Clock
- AMD EPYC Embedded 3251
- 3.1 GHz
- AMD EPYC Embedded 3255
- 3.1 GHz
L2 Cache
- AMD EPYC Embedded 3251
- 4 MB
- AMD EPYC Embedded 3255
- 4 MB
L3 Cache
- AMD EPYC Embedded 3251
- 16 MB
- AMD EPYC Embedded 3255
- 16 MB
Socket
- AMD EPYC Embedded 3251
- SP4r2
- AMD EPYC Embedded 3255
- SP4r2
Memory Type
- AMD EPYC Embedded 3251
- DDR4-2667
- AMD EPYC Embedded 3255
- DDR4-2667
PCIe Lanes
- AMD EPYC Embedded 3251
- 32 lanes
- AMD EPYC Embedded 3255
- 32 lanes
TDP
- AMD EPYC Embedded 3251
- 55 W
- AMD EPYC Embedded 3255
- 25-55W
Junction Temp Range
- AMD EPYC Embedded 3251
- 0-105°C
- AMD EPYC Embedded 3255
- -40-105°C
Security Processor
- AMD EPYC Embedded 3251
- Yes
- AMD EPYC Embedded 3255
- Yes
Memory Controller
- AMD EPYC Embedded 3251
- Dual Channel w/ECC
- AMD EPYC Embedded 3255
- Dual Channel w/ECC
Ethernet
- AMD EPYC Embedded 3251
- 4x 10GbE
- AMD EPYC Embedded 3255
- 4x 10GbE
USB
- AMD EPYC Embedded 3251
- 4x USB 3.1 Gen1
- AMD EPYC Embedded 3255
- 4x USB 3.1 Gen1
SATA
- AMD EPYC Embedded 3251
- 8
- AMD EPYC Embedded 3255
- 8
Low Speed Interfaces
- AMD EPYC Embedded 3251
- EMMC , eSPI , GPIO , I2C , LPC , SMBus , SPI , UART
- AMD EPYC Embedded 3255
- EMMC , eSPI , GPIO , I2C , LPC , SMBus , SPI , UART
Which one should you pick?
Choose 3251 if you want the higher L2 cache (4 MB vs 4 MB), the higher L3 cache (16 MB vs 16 MB) and the higher PCIe lanes (32 lanes vs 32 lanes).
Choose 3255 if you already have it on hand or find it at a lower price.