AMD Ryzen Threadripper PRO 9955WX vs AMD EPYC 9734

AMD Ryzen Threadripper PRO 9955WX
AMD EPYC 9734 $9,600
16 Cores
32 Threads
4.5GHz Clock
112 Cores
224 Threads
2.2GHz Clock
Socket
sTR5
Socket
SP5
iGPU
No GPU
- -
iGPU
No GPU
- -
GB6S N/A
0%
GB6S 1,750
43%
GB6M N/A
0%
GB6M 16,200
61%
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 5
Architecture
Zen 4c
Family
Ryzen 9000
Family
EPYC 9004
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Shimada Peak
Eldora
Shimada Peak 2CCD
-
-
-
-
-
-
Codename
Bergamo
Vindhya
Bergamo 8CCD
-
-
-
-
-
-
Market Segment
Server
Market Segment
Server
Release Date
5/20/2025
Release Date
6/13/2023
Foundry
TSMC
TSMC (IO Die)
-
-
Foundry
TSMC
TSMC (IO Die)
-
-
Node
N4X
N6 (IO Die)
-
-
Node
N5
N6 (IO Die)
-
-
Die Size
2x 71 mm²
388 mm² (IO Die)
-
-
Die Size
8x 78 mm²
388 mm² (IO Die)
-
-
Transistor Count
2x 8.3 Billion
11 Billion (IO Die)
-
-
Transistor Count
8x 7.5 Billion
11 Billion (IO Die)
-
-
16 Cores
-
-
-
112 Cores
-
-
-
32 Threads
-
-
-
224 Threads
-
-
-
-
4.5GHz
5.4GHz Boost
-
-
2.2GHz
3GHz Boost
-
-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Unlocked
-
-
-
Overclocking
Locked
-
-
-
Type
PCIe
Type
PCIe
-
-
-
-
-
-
-
-
Transfer Rate
32GT/s
Transfer Rate
32GT/s
-
-
-
-
Lanes
8
Lanes
8
Bandwidth
32GB/s
Bandwidth
32GB/s
Bi-directional
64GB/s
Bi-directional
64GB/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
32KB/Core
8-way set associative
-
-
-
-
L2
1024KB/Core
16-way set associative
-
-
-
-
-
-
-
-
-
-
L2
1024KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
64MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
256MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
12
Channels
12
Max Memory
6144GB
Max Memory
6144GB
ECC
Supported
ECC
Supported
Bus Width/Channel
64Bit
Bus Width
768Bit
Bus Width/Channel
64Bit
Bus Width
768Bit
Clock
3000MHz
Transfer Rate
6000MT/s
Clock
2400MHz
Transfer Rate
4800MT/s
Bandwidth/Channel
48.0GB/s
Bandwidth
576.0GB/s
Bandwidth/Channel
38.4GB/s
Bandwidth
460.8GB/s
TDP
350W
-
-
-
TDP
340W
320W cTDP Down
400W cTDP Up
-
Temp
95°C Max
-
-
-
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 5.0 x128 Lanes
PCIe 5.0 x128 Lanes
No GPU
-
-
- -
No GPU
-
-
- -
No NPU
-
No NPU
-
-
-
-
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Comparison