AMD EPYC 3401 vs NVIDIA Grace Blackwell GB10 Full Specs

Summary

16 Cores 32 Threads 1.85GHz	20 Cores(10P+10E) 20 Threads(10P+10E) 3GHz
TDP 85W	TDP 150W
Bandwidth 85.3GB/s DDR4	Bandwidth 273.1GB/s LPDDR5X
iGPU 0	iGPU GB10
Peak·FP32·FP16 -	Peak·FP32·FP16 992.9 TFLOPSFP16
Socket SP4r2	Socket -

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 TDP

EPYC 3401740

x1

Grace Blackwell GB10-

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Core Config

16 Cores 16P -	20 Cores 10P 10E
32 Threads 32P -	20 Threads 10P 10E

Clocks

Base Clock 1.85GHz	Base Clock 3GHz
Boost Clock 3GHz	Boost Clock -
Overclocking Locked	Overclocking Locked

Cache

L1i 64KB P	L1i 64KB P
L1d 32KB P	L1d 64KB P
L2 512KB P	L2 1MB P
L3 32MB	L3 -

Memory

Type DDR4	Type LPDDR5X
Max Memory 64GB	Max Memory 128GB
ECC Yes	ECC No
Channels 4	Channels 4
Bus Width 256-bit	Bus Width 256-bit
Speed 2666MT/s	Speed 8533MT/s
Bandwidth 85.3GB/s	Bandwidth 273.1GB/s
Bandwidth Calculator Channels Transfer Rate2666MT/s Calculated Bandwidth 85.3GB/s	Bandwidth Calculator Channels Transfer Rate8533MT/s Calculated Bandwidth 273.1GB/s

Power & Thermals

TDP 85W	TDP 150W
Max Operating Temp 105°C Max	Max Operating Temp -

Chipset Bus

Bus Type PCIe	Bus Type -
Bus Config 4 lanes	Bus Config -
Bus Speed 8GT/s	Bus Speed -
Bus Bandwidth 4GB/s	Bus Bandwidth -

Expansion

PCIe PCIe 3.0 x64 63GB/sBandwidth

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iGPU

iGPU 0	iGPU GB10
Shaders -	Shaders 6144
Boost Clock -	Boost Clock 2.52GHz
Peak·FP32·FP16 -	Peak·FP32·FP16 992.9 TFLOPSFP16

Chip

Manufacturer AMD	Manufacturer NVIDIA
ISA x86-64	ISA AArch64
Architecture Zen	Architecture ARMv9.2-A
Family EPYC 3001	Family -
Branding	Branding
Codename Snowy Owl ZeppelinDie Snowy Owl 16CVariant - -	Codename Grace Blackwell GB10Die Grace Blackwell GB10Variant Cortex-X925P-Core Cortex-A725E-Core
Market Segment Embedded	Market Segment Embedded
Release Date Feb 1, 2018	Release Date Jan 6, 2025

Fabrication

Foundry GlobalFoundries	Foundry TSMC
Fabrication Node 14LP	Fabrication Node N3E
Die Size 426mm²	Die Size -
Transistor Count 9.6 Billion	Transistor Count -
Transistor Density 23 MTr/mm²	Transistor Density -

Images

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Used In

Desktops -

Desktops DGX Spark(Late 2025)

Competitors

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