CPUs

AMD Ryzen Threadripper PRO 9955WX vs Intel Atom C3955 Full Specs

16 Cores
32 Threads
4.5GHz
16 Cores
16 Threads
2.1GHz
TDP
350W
TDP
32W
Bandwidth
576GB/s
DDR5
Bandwidth
38.4GB/s
·
Socket
Socket

Ryzen Threadripper PRO 9955WXRyzen Threadripper PRO 9955WX-
-
Atom C3955Atom C3955294
x1

16 Cores
16 Cores
32 Threads
16 Threads

Base Clock
4.5GHz
Base Clock
2.1GHz
Boost Clock
5.4GHz
Boost Clock
2.4GHz
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
32W
Max Operating Temp
95°C Max
Max Operating Temp
-
T-Case
-
T-Case
78°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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