AMD Ryzen Threadripper 3990X vs AMD Ryzen Threadripper PRO 3955WX

AMD Ryzen Threadripper 3990X $3,990
AMD Ryzen Threadripper PRO 3955WX $1,149
64 Cores
128 Threads
2.9GHz Clock
16 Cores
32 Threads
3.9GHz Clock
Socket
sTRX4
Socket
sWRX8
iGPU
No GPU
iGPU
No GPU

GB6 Single-Core

  • 4% slower vs Ryzen Threadripper PRO 3955WX
  • 4% faster vs Ryzen Threadripper 3990X
Ryzen Threadripper 3990X - GB6S 1,615
x1
Ryzen Threadripper PRO 3955WX - GB6S 1,685
x1.04

GB6 Multi-Core

  • 12% faster vs Ryzen Threadripper PRO 3955WX
  • 11% slower vs Ryzen Threadripper 3990X
Ryzen Threadripper 3990X - GB6M 14,115
x1.12
Ryzen Threadripper PRO 3955WX - GB6M 12,575
x1

CB23 Single-Core

  • 2% faster vs Ryzen Threadripper PRO 3955WX
  • 2% slower vs Ryzen Threadripper 3990X
Ryzen Threadripper 3990X - CB23S 1,265
x1.02
Ryzen Threadripper PRO 3955WX - CB23S 1,245
x1

CB23 Multi-Core

  • 2.58x faster vs Ryzen Threadripper PRO 3955WX
  • 61% slower vs Ryzen Threadripper 3990X
Ryzen Threadripper 3990X - CB23M 62,870
x2.58
Ryzen Threadripper PRO 3955WX - CB23M 24,415
x1
  • 50% slower vs Ryzen Threadripper PRO 3955WX
  • 2x faster vs Ryzen Threadripper 3990X
Ryzen Threadripper 3990X - 102.4GB/s
x1
Ryzen Threadripper PRO 3955WX - 204.8GB/s
x2
  • Same TDP vs Ryzen Threadripper PRO 3955WX
  • Same TDP vs Ryzen Threadripper 3990X
Ryzen Threadripper 3990X - 280W
x1
Ryzen Threadripper PRO 3955WX - 280W
x1
CB23S 1,265
49%
CB23S 1,245
48%
CB23M 62,870
146%
CB23M 24,415
57%
Manufacturer
AMD
Manufacturer
AMD
Architecture
Zen 2
Architecture
Zen 2
Family
Ryzen 3000
Family
Ryzen 3000
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Castle Peak
Aspen Highlands
Castle Peak 8CCD
Codename
Castle Peak
Aspen Highlands
Castle Peak 2CCD
Market Segment
Workstation
Market Segment
Workstation
Release Date
2/7/2020
Release Date
7/14/2020
Foundry
TSMC
GlobalFoundries (IO Die)
Foundry
TSMC
GlobalFoundries (IO Die)
Node
N7
12LP (IO Die)
Node
N7
12LP (IO Die)
Die Size
8x 74 mm²
416 mm² (IO Die)
Die Size
2x 74 mm²
416 mm² (IO Die)
Transistor Count
8x 3.8 Billion
8.3 Billion (IO Die)
Transistor Count
2x 3.8 Billion
8.3 Billion (IO Die)
64 Cores
16 Cores
128 Threads
32 Threads
2.9GHz
4.3GHz Boost
3.9GHz
4.3GHz Boost
Overclocking
Unlocked
Overclocking
Locked
Type
PCIe
Type
PCIe
Transfer Rate
16GT/s
Transfer Rate
16GT/s
Lanes
8
Lanes
8
Bandwidth
16GB/s
Bandwidth
16GB/s
Bi-directional
32GB/s
Bi-directional
32GB/s
L1 Instruction
32KB/Core
8-way set associative
L1 Instruction
32KB/Core
8-way set associative
L1 Data
32KB/Core
8-way set associative
L1 Data
32KB/Core
8-way set associative
L2
512KB/Core
8-way set associative
L2
512KB/Core
8-way set associative
L3
256MB Shared
16-way set associative
L3
64MB Shared
16-way set associative
Channels
4
Channels
8
Max Memory
512GB
Max Memory
2048GB
ECC
Supported
ECC
Supported
Bus Width/Channel
64Bit
Bus Width
256Bit
Bus Width/Channel
64Bit
Bus Width
512Bit
Clock
1600MHz
Transfer Rate
3200MT/s
Clock
1600MHz
Transfer Rate
3200MT/s
Bandwidth/Channel
25.6GB/s
Bandwidth
102.4GB/s
Bandwidth/Channel
25.6GB/s
Bandwidth
204.8GB/s
TDP
280W
280W Peak
TDP
280W
280W Peak
Temp
95°C Max
Temp
90°C Max
PCIe 4.0 x64 Lanes
PCIe 4.0 x128 Lanes
No GPU
No GPU
No NPU
No NPU
No Cellular
No Cellular
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