AMD Ryzen Threadripper PRO 9945WX vs Intel Xeon Gold 6421N
AMD Ryzen Threadripper PRO 9945WX
Intel Xeon Gold 6421N
$2,368
|
12 Cores
24 Threads
4.7GHz Clock
|
32 Cores
64 Threads
1.8GHz Clock
|
|
Socket
sTR5
|
Socket
LGA 4677
|
|
iGPU
No GPU
- -
|
iGPU
No GPU
- -
|
|
GB6S N/A
0%
|
GB6S 1,735
43%
|
|
GB6M N/A
0%
|
GB6M 17,280
65%
|
|
CB23S N/A
0%
|
CB23S N/A
0%
|
|
CB23M N/A
0%
|
CB23M N/A
0%
|
|
Manufacturer
AMD
|
Manufacturer
Intel
|
|
Architecture
Zen 5
|
Architecture
Sapphire Rapids
|
|
Family
Ryzen 9000
|
Family
Xeon 4
|
|
Instruction Set (ISA)
x86-64
|
Instruction Set (ISA)
x86-64
|
|
Codename
Shimada Peak
Eldora
Shimada Peak 2CCD
-
-
-
-
-
-
|
Codename
Sapphire Rapids-SP
-
Sapphire Rapids-XCC
-
Golden Cove
-
-
-
-
|
|
Market Segment
Server
|
Market Segment
Server
|
|
Release Date
5/20/2025
|
Release Date
1/10/2023
|
|
Foundry
TSMC
TSMC (IO Die)
-
-
|
Foundry
Intel
-
-
-
|
|
Node
N4X
N6 (IO Die)
-
-
|
Node
Intel 7
-
-
-
|
|
Die Size
2x 71 mm²
388 mm² (IO Die)
-
-
|
Die Size
4x 394 mm²
-
-
-
|
|
Transistor Count
2x 8.3 Billion
11 Billion (IO Die)
-
-
|
Transistor Count
4x 28 Billion
-
-
-
|
|
12 Cores
-
-
-
|
32 Cores
-
-
-
|
|
24 Threads
-
-
-
|
64 Threads
-
-
-
|
|
-
4.7GHz
5.4GHz Boost
-
|
-
1.8GHz
3.6GHz Boost
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
Overclocking
Unlocked
-
-
-
|
Overclocking
Locked
-
-
-
|
|
Type
PCIe
|
Type
UPI
|
|
-
-
|
Clock
8000MHz
|
|
-
-
|
Data Rate
Double
|
|
Transfer Rate
32GT/s
|
Transfer Rate
16GT/s
|
|
-
-
|
Width
24Bit
|
|
Lanes
8
|
-
-
|
|
Bandwidth
32GB/s
|
Bandwidth
48GB/s
|
|
Bi-directional
64GB/s
|
Bi-directional
96GB/s
|
|
L0 Instruction
-
-
|
L0 Instruction
-
-
|
|
L0 Data
-
-
|
L0 Data
-
-
|
|
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
|
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
|
|
L1 Data
48KB/Core
12-way set associative
-
-
-
-
|
L1 Data
48KB/Core
12-way set associative
-
-
-
-
|
|
L2
1024KB/Core
16-way set associative
-
-
-
-
-
-
-
-
-
-
|
L2
2048KB/Core
16-way set associative
-
-
-
-
-
-
-
-
-
-
|
|
L3
-
64MB Shared
-
16-way set associative
-
-
-
-
-
|
L3
-
60MB Shared
-
10-way set associative
-
-
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
Channels
12
|
Channels
8
|
|
Max Memory
6144GB
|
Max Memory
4096GB
|
|
ECC
Supported
|
ECC
Supported
|
|
Bus Width/Channel
64Bit
Bus Width
768Bit
|
Bus Width/Channel
64Bit
Bus Width
512Bit
|
|
Clock
3000MHz
Transfer Rate
6000MT/s
|
Clock
2200MHz
Transfer Rate
4400MT/s
|
|
Bandwidth/Channel
48.0GB/s
Bandwidth
576.0GB/s
|
Bandwidth/Channel
35.2GB/s
Bandwidth
281.6GB/s
|
|
TDP
350W
-
-
-
|
TDP
185W
-
-
-
|
|
Temp
95°C Max
-
|
Temp
95°C Max
85°C TCase
|
|
Included Cooler
Not Included
|
Included Cooler
Not Included
|
|
PCIe 5.0 x128 Lanes
|
PCIe 5.0 x80 Lanes
|
|
No GPU
-
-
- -
|
No GPU
-
-
- -
|
|
No NPU
-
|
DL Boost
|
|
-
-
|
-
-
|
|
-
|
-
|
|
-
-
|
-
-
|
|
No Cellular
|
No Cellular
|
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