CPUs

AMD Ryzen Threadripper PRO 9955WX vs Intel Atom C3958 Full Specs

16 Cores
32 Threads
4.5GHz
16 Cores
16 Threads
2GHz
TDP
350W
TDP
31W
Bandwidth
576GB/s
DDR5
Bandwidth
38.4GB/s
·
iGPU
0
iGPU
0
Socket
Socket

Ryzen Threadripper PRO 9955WXRyzen Threadripper PRO 9955WX-
-
Atom C3958Atom C3958281
x1

16 Cores
16 Cores
32 Threads
16 Threads

Base Clock
4.5GHz
Base Clock
2GHz
Boost Clock
5.4GHz
Boost Clock
-
Overclocking
Unlocked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
48KB
L1d
24KB
L2
1MB
L2
16MB shared
L3
64MB
L3
-

Type
DDR5
Type
·
Max Memory
6.14TB
Max Memory
256GB
ECC
Yes
ECC
Yes
Channels
12
Channels
2
Bus Width
768-bit
Bus Width
128-bit
Speed
6000MT/s
Speed
2400MT/s
Bandwidth
576GB/s
Bandwidth
38.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
576GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
38.4GB/s

TDP
350W
TDP
31W
Max Operating Temp
95°C Max
Max Operating Temp
-
T-Case
-
T-Case
83°C Max
Included Cooler
0
Included Cooler
-

Bus Type
PCIe
Bus Type
-
Bus Config
8 lanes
Bus Config
-
Bus Speed
32GT/s
Bus Speed
-
Bus Bandwidth
32GB/s
Bus Bandwidth
-

PCIe
PCIe 5.0 x128
504.1GB/sBandwidth
PCIe
PCIe 3.0 x16
15.8GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Threadripper PRO 2017 branding
Branding
Atom 2016 branding
Codename
Shimada Peak
EldoraDie
Shimada Peak 2CCDVariant
Codename
Denverton
-
-
Market Segment
Server
Market Segment
Server
Release Date
May 20, 2025
Release Date
Aug 1, 2017

Foundry
TSMC
Foundry
Intel
Other Foundries
TSMCIO
Other Foundries
-
Fabrication Node
N4X
N6IO
Fabrication Node
14nm
-
Die Size
141mm²
388mm²IO
Die Size
-
Transistor Count
16.6 Billion
11 BillionIO
Transistor Count
-
Transistor Density
118 MTr/mm²
28 MTr/mm²IO
Transistor Density
-

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