AMD EPYC 7251 vs Intel Core i9-7900X Full Specs

Summary

8 Cores 16 Threads 2.1GHz	10 Cores 20 Threads 3.3GHz
TDP 120W	TDP 140W
Bandwidth 153.6GB/s DDR4	Bandwidth 85.3GB/s DDR4
iGPU 0	iGPU 0
Socket SP3	Socket LGA 2066

Highlights

Max Bandwidth

Max Bandwidth TDP

EPYC 7251153.6GB/s

x1.80

Core i9-7900X85.3GB/s

x1

Core Config

8 Cores	10 Cores
16 Threads	20 Threads

Clocks

Base Clock 2.1GHz	Base Clock 3.3GHz
Boost Clock 3GHz	Boost Clock 4.5GHz
Overclocking Locked	Overclocking Unlocked

Cache

L1i 64KB	L1i 32KB
L1d 32KB	L1d 32KB
L2 512KB	L2 1MB
L3 32MB	L3 13.8MB

Memory

Type DDR4	Type DDR4
Max Memory 64GB	Max Memory 128GB
ECC Yes	ECC No
Channels 8	Channels 4
Bus Width 512-bit	Bus Width 256-bit
Speed 2400MT/s	Speed 2666MT/s
Bandwidth 153.6GB/s	Bandwidth 85.3GB/s
Bandwidth Calculator Channels Transfer Rate2400MT/s Calculated Bandwidth 153.6GB/s	Bandwidth Calculator Channels Transfer Rate2666MT/s Calculated Bandwidth 85.3GB/s

Power & Thermals

TDP 120W	TDP 140W
Max Operating Temp -	Max Operating Temp 95°C Max
Included Cooler -	Included Cooler 0

Chipset Bus

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

Expansion

PCIe PCIe 4.0 x128 252GB/sBandwidth

PCIe PCIe 3.0 x44 43.3GB/sBandwidth

Chip

Manufacturer AMD	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Zen	Architecture Skylake
Family EPYC 7001	Family Core 7th Gen
Branding	Branding
Codename Naples ZeppelinDie -	Codename Skylake-E - Skylake-SP-LCCVariant
Market Segment Server	Market Segment Workstation
Release Date Jun 1, 2017	Release Date Jun 19, 2017

Fabrication

Foundry GlobalFoundries	Foundry Intel
Fabrication Node 14LP	Fabrication Node 14nm
Die Size 852mm²	Die Size 322mm²
Transistor Count 19.2 Billion	Transistor Count 5.5 Billion
Transistor Density 23 MTr/mm²	Transistor Density 17 MTr/mm²

Images

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