CPUs

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

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

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

16 Cores
16 Cores
16 Threads
32 Threads

Base Clock
2.1GHz
Base Clock
4.5GHz
Boost Clock
2.4GHz
Boost Clock
5.4GHz
Overclocking
Locked
Overclocking
Unlocked

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

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

TDP
32W
TDP
350W
Max Operating Temp
-
Max Operating Temp
95°C Max
T-Case
78°C Max
T-Case
-
Included Cooler
-
Included Cooler
0

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

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

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

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

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