CPUs

AMD EPYC 7261 vs Intel Core i9-7900X Full Specs

8 Cores
16 Threads
2.5GHz
10 Cores
20 Threads
3.3GHz
TDP
155W
TDP
140W
Bandwidth
170.6GB/s
DDR4
Bandwidth
85.3GB/s
DDR4
iGPU
0
iGPU
0
Socket
Socket

EPYC 7261EPYC 7261750
x1
Core i9-7900XCore i9-7900X1,419
x1.89

8 Cores
10 Cores
16 Threads
20 Threads

Base Clock
2.5GHz
Base Clock
3.3GHz
Boost Clock
3GHz
Boost Clock
4.5GHz
Overclocking
Locked
Overclocking
Unlocked

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

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
2666MT/s
Speed
2666MT/s
Bandwidth
170.6GB/s
Bandwidth
85.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
170.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
85.3GB/s

TDP
155W
TDP
140W
cTDP-up
170W
cTDP-up
-
Max Operating Temp
-
Max Operating Temp
95°C Max
Included Cooler
-
Included Cooler
0

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

PCIe
PCIe 4.0 x128
252GB/sBandwidth
PCIe
PCIe 3.0 x44
43.3GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
EPYC 2017 branding
Branding
Core i9 X 2016 branding
Codename
Naples
ZeppelinDie
-
Codename
Skylake-E
-
Skylake-SP-LCCVariant
Market Segment
Server
Market Segment
Workstation
Release Date
Jun 14, 2018
Release Date
Jun 19, 2017

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

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