AMD Ryzen Threadripper PRO 3995WX vs AMD Ryzen Threadripper PRO 3945WX

AMD Ryzen Threadripper PRO 3995WX $5,489
AMD Ryzen Threadripper PRO 3945WX
64 Cores
128 Threads
2.7GHz Clock
12 Cores
24 Threads
4GHz Clock
Socket
sWRX8
Socket
sWRX8
iGPU
No GPU
iGPU
No GPU

GB6 Single-Core

  • 3% slower vs Ryzen Threadripper PRO 3945WX
  • 3% faster vs Ryzen Threadripper PRO 3995WX
Ryzen Threadripper PRO 3995WX - GB6S 1,625
x1
Ryzen Threadripper PRO 3945WX - GB6S 1,675
x1.03

GB6 Multi-Core

  • 35% faster vs Ryzen Threadripper PRO 3945WX
  • 26% slower vs Ryzen Threadripper PRO 3995WX
Ryzen Threadripper PRO 3995WX - GB6M 14,145
x1.35
Ryzen Threadripper PRO 3945WX - GB6M 10,460
x1

CB23 Single-Core

  • 2% faster vs Ryzen Threadripper PRO 3945WX
  • 2% slower vs Ryzen Threadripper PRO 3995WX
Ryzen Threadripper PRO 3995WX - CB23S 1,265
x1.02
Ryzen Threadripper PRO 3945WX - CB23S 1,240
x1

CB23 Multi-Core

  • 3.38x faster vs Ryzen Threadripper PRO 3945WX
  • 70% slower vs Ryzen Threadripper PRO 3995WX
Ryzen Threadripper PRO 3995WX - CB23M 63,210
x3.38
Ryzen Threadripper PRO 3945WX - CB23M 18,705
x1
CB23S 1,265
49%
CB23S 1,240
48%
CB23M 63,210
147%
CB23M 18,705
43%
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
7/14/2020
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
12 Cores
128 Threads
24 Threads
2.7GHz
4.2GHz Boost
4GHz
4.3GHz Boost
Overclocking
Locked
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
8
Channels
8
Max Memory
2048GB
Max Memory
2048GB
ECC
Supported
ECC
Supported
Bus Width/Channel
64Bit
Bus Width
512Bit
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
204.8GB/s
Bandwidth/Channel
25.6GB/s
Bandwidth
204.8GB/s
TDP
280W
280W Peak
TDP
280W
280W Peak
Temp
90°C Max
Temp
90°C Max
PCIe 4.0 x128 Lanes
PCIe 4.0 x128 Lanes
No GPU
No GPU
No NPU
No NPU
No Cellular
No Cellular
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