NVIDIA Grace Blackwell GB10 vs AMD EPYC 9334 Full Specs - HMC

20 Cores(10P+10E) 20 Threads(10P+10E) 3GHz	32 Cores 64 Threads 2.7GHz
TDP 150W	TDP 210W
Bandwidth 273.1GB/s LPDDR5X	Bandwidth 460.8GB/s DDR5
iGPU GB10	iGPU 0
·· 992.9 TFLOPSFP16	·· -
Socket -	Socket SP5

Grace Blackwell GB10273.1GB/s

x1

EPYC 9334

EPYC 9334460.8GB/s

x1.69

20 Cores 10P 10E	32 Cores 32P -
20 Threads 10P 10E	64 Threads 64P -

Base Clock 3GHz	Base Clock 2.7GHz
Boost Clock -	Boost Clock 3.9GHz
Overclocking Locked	Overclocking Locked

L1i 64KB P	L1i 32KB P
L1d 64KB P	L1d 32KB P
L2 1MB P	L2 1MB P
L3 -	L3 128MB

Type LPDDR5X	Type DDR5
Max Memory 128GB	Max Memory 6.14TB
ECC No	ECC Yes
Channels 4	Channels 12
Bus Width 256-bit	Bus Width 768-bit
Speed 8533MT/s	Speed 4800MT/s
Bandwidth 273.1GB/s	Bandwidth 460.8GB/s
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 273.1GB/s	Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 460.8GB/s

TDP 150W	TDP 210W
cTDP-down -	cTDP-down 200W
cTDP-up -	cTDP-up 240W

Bus Type -	Bus Type PCIe
Bus Config -	Bus Config 8 lanes
Bus Speed -	Bus Speed 32GT/s
Bus Bandwidth -	Bus Bandwidth 32GB/s

-	PCIe PCIe 5.0 x128 504.1GB/sBandwidth

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

Manufacturer NVIDIA	Manufacturer AMD
ISA AArch64	ISA x86-64
Architecture ARMv9.2-A	Architecture Zen 4
Family -	Family EPYC 9004
Branding	Branding
Codename Grace Blackwell GB10Die Grace Blackwell GB10Variant Cortex-X925P-Core Cortex-A725E-Core	Codename Genoa DurangoDie Genoa 4CCDVariant - -
Market Segment Embedded	Market Segment Server
Release Date Jan 6, 2025	Release Date Nov 10, 2022

Foundry TSMC	Foundry TSMC
Other Foundries -	Other Foundries TSMCIO
Fabrication Node N3E -	Fabrication Node N5 N6IO
Die Size -	Die Size 284mm² 388mm²IO
Transistor Count -	Transistor Count 26.3 Billion 11 BillionIO
Transistor Density -	Transistor Density 93 MTr/mm² 28 MTr/mm²IO

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