CPUs

AMD Ryzen Threadripper 9960X vs Intel Xeon Platinum 8259CL Full Specs

24 Cores
48 Threads
4.2GHz
24 Cores
48 Threads
2.5GHz
TDP
350W
TDP
210W
Bandwidth
576GB/s
DDR5
Bandwidth
128GB/s
DDR4
iGPU
0
iGPU
0
Socket
Socket

Ryzen Threadripper 9960XRyzen Threadripper 9960X-
-
Xeon Platinum 8259CLXeon Platinum 8259CL1,350
x1

24 Cores
24 Cores
48 Threads
48 Threads

Base Clock
4.2GHz
Base Clock
2.5GHz
Boost Clock
5.4GHz
Boost Clock
3.5GHz
Overclocking
Unlocked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
48KB
L1d
32KB
L2
1MB
L2
1MB
L3
128MB
L3
35.8MB

Type
DDR5
Type
DDR4
Max Memory
6.14TB
Max Memory
4.61TB
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
Calculated Bandwidth
576GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
128GB/s

TDP
350W
TDP
210W
Max Operating Temp
95°C Max
Max Operating Temp
-
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
Ryzen Threadripper 2017 branding
Branding
Xeon Platinum 2017 branding
Codename
Shimada Peak
EldoraDie
Shimada Peak 4CCDVariant
Codename
Cascade Lake-SP
-
Cascade Lake-SP-XCCVariant
Market Segment
Server
Market Segment
Server
Release Date
May 20, 2025
Release Date
Apr 2, 2019

Foundry
TSMC
Foundry
Intel
Other Foundries
TSMCIO
Other Foundries
-
Fabrication Node
N4X
N6IO
Fabrication Node
14nm++
-
Die Size
282mm²
388mm²IO
Die Size
700mm²
-
Transistor Count
33.3 Billion
11 BillionIO
Transistor Count
12.3 Billion
-
Transistor Density
118 MTr/mm²
28 MTr/mm²IO
Transistor Density
18 MTr/mm²
-

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