AMD EPYC 9645

EPYC 9645

Intel Xeon Platinum 8158

Xeon Platinum 8158

AMD EPYC 9645 vs Intel Xeon Platinum 8158 Full Specs

96 Cores
192 Threads
2.3GHz
12 Cores
24 Threads
3GHz
TDP
320W
TDP
150W
Bandwidth
576GB/s
DDR5
Bandwidth
128GB/s
DDR4
Socket
Socket

EPYC 9645EPYC 9645-
-
Xeon Platinum 8158Xeon Platinum 8158
x1

96 Cores
12 Cores
192 Threads
24 Threads

Base Clock
2.3GHz
Base Clock
3GHz
Boost Clock
3.7GHz
Boost Clock
3.7GHz
Overclocking
Locked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
48KB
L1d
32KB
L2
1MB
L2
1MB
L3
256MB
L3
24.8MB

Type
DDR5
Type
DDR4
Max Memory
6.14TB
Max Memory
768GB
ECC
Yes
ECC
Yes
Channels
12
Channels
6
Bus Width
768-bit
Bus Width
384-bit
Speed
6000MT/s
Speed
2666MT/s
Bandwidth
576GB/s
Bandwidth
128GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
576GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
128GB/s

TDP
320W
TDP
150W
cTDP-down
320W
cTDP-down
-
cTDP-up
400W
cTDP-up
-
T-Case
-
T-Case
85°C Max
Included Cooler
0
Included Cooler
0

Bus Type
PCIe
Bus Type
UPI
Bus Config
8 lanes
Bus Config
16-bit
Bus Speed
32GT/s
Bus Speed
10.4GT/s
Bus Bandwidth
32GB/s
Bus Bandwidth
20.8GB/s

PCIe
PCIe 5.0 x128
504.1GB/sBandwidth
PCIe
PCIe 3.0 x48
47.3GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
EPYC 2017 branding
Branding
Xeon Platinum 2017 branding
Codename
Turin Dense
Turin Dense 8CCDVariant
Codename
Skylake-SP
Skylake-SP-HCCVariant
Market Segment
Server
Market Segment
Server
Release Date
Oct 10, 2024
Release Date
Jul 11, 2017

Foundry
TSMC
Foundry
Intel
Other Foundries
TSMCIO
Other Foundries
-
Fabrication Node
N3E
N6IO
Fabrication Node
14nm
-
Die Size
-
388mm²IO
Die Size
484mm²
-
Transistor Count
-
11BIO
Transistor Count
8.3B
-
Transistor Density
-
28 MTr/mm²IO
Transistor Density
17 MTr/mm²
-