Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper 3970X

Ryzen Threadripper PRO 3955WX
Ryzen Threadripper 3970X
16 Cores
32 Threads
3.9GHz Clock
32 Cores
64 Threads
3.7GHz Clock
Socket
sWRX8
Socket
sTRX4
iGPU
No GPU
iGPU
No GPU
GB6S 1,685
45%
GB6S 1,665
44%
GB6M 12,575
52%
GB6M 13,870
58%
CB23S 1,245
53%
CB23S 1,260
54%
CB23M 24,415
59%
CB23M 47,110
114%
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 2CCD
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-
-
-
-
-
Codename
Castle Peak
Aspen Highlands
Castle Peak 4CCD
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-
-
-
-
-
Market Segment
Workstation
Market Segment
Workstation
Release Date
7/14/2020
Release Date
11/25/2019
Foundry
TSMC
GlobalFoundries (IO Die)
-
-
Foundry
TSMC
GlobalFoundries (IO Die)
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-
Node
N7
12LP (IO Die)
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-
Node
N7
12LP (IO Die)
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-
Die Size
2x 74 mm²
416 mm² (IO Die)
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-
Die Size
4x 74 mm²
416 mm² (IO Die)
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-
Transistor Count
2x 3.8 Billion
8.3 Billion (IO Die)
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-
Transistor Count
4x 3.8 Billion
8.3 Billion (IO Die)
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-
16 Cores
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-
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32 Cores
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-
-
32 Threads
-
-
-
64 Threads
-
-
-
-
3.9GHz
4.3GHz Boost
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-
3.7GHz
4.5GHz Boost
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-
-
-
-
-
-
-
-
-
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Unlocked
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-
-
Type
PCIe
Type
PCIe
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-
-
-
-
-
-
-
Transfer Rate
16GT/s
Transfer Rate
16GT/s
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-
-
-
Lanes
8
Lanes
8
Bandwidth
16GB/s
Bandwidth
16GB/s
Bi-directional
32GB/s
Bi-directional
32GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
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-
-
-
L1 Instruction
32KB/Core
8-way set associative
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-
-
-
L1 Data
32KB/Core
8-way set associative
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-
-
-
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
512KB/Core
8-way set associative
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-
-
-
-
-
-
-
-
-
L2
512KB/Core
8-way set associative
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-
-
-
-
-
-
-
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-
L3
-
64MB Shared
-
16-way set associative
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-
-
-
-
L3
-
128MB Shared
-
16-way set associative
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-
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-
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-
Channels
8
Channels
4
Max Memory
2048GB
Max Memory
512GB
ECC
Supported
ECC
Supported
Bus Width/Channel
64Bit
Bus Width
512Bit
Bus Width/Channel
64Bit
Bus Width
256Bit
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
102.4GB/s
TDP
280W
-
-
280W Peak
TDP
280W
-
-
280W Peak
Temp
90°C Max
-
Temp
95°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x128 Lanes
PCIe 4.0 x64 Lanes
No GPU
-
-
No GPU
-
-
No NPU
-
No NPU
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-
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-
-
-
-
-
-
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No Cellular
No Cellular
Change Results