CPUs

Intel Xeon E5-4640 v4 vs AMD Ryzen Threadripper PRO 9955WX Full Specs

12 Cores
24 Threads
2.1GHz
16 Cores
32 Threads
4.5GHz
TDP
105W
TDP
350W
Bandwidth
68.3GB/s
DDR4
Bandwidth
576GB/s
DDR5
iGPU
0
iGPU
0
Socket
Socket

Xeon E5-4640 v4Xeon E5-4640 v468.3GB/s
x1
Ryzen Threadripper PRO 9955WXRyzen Threadripper PRO 9955WX576GB/s
x8.43

12 Cores
16 Cores
24 Threads
32 Threads

Base Clock
2.1GHz
Base Clock
4.5GHz
Boost Clock
2.6GHz
Boost Clock
5.4GHz
Overclocking
Locked
Overclocking
Unlocked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
48KB
L2
256KB
L2
1MB
L3
30MB
L3
64MB

Type
DDR4
Type
DDR5
Max Memory
1.54TB
Max Memory
6.14TB
ECC
Yes
ECC
Yes
Channels
4
Channels
12
Bus Width
256-bit
Bus Width
768-bit
Speed
2133MT/s
Speed
6000MT/s
Bandwidth
68.3GB/s
Bandwidth
576GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
68.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
576GB/s

TDP
105W
TDP
350W
Max Operating Temp
-
Max Operating Temp
95°C Max
T-Case
80°C Max
T-Case
-
Included Cooler
0
Included Cooler
0

Bus Type
QPI
Bus Type
PCIe
Bus Config
16-bit
Bus Config
8 lanes
Bus Speed
8GT/s
Bus Speed
32GT/s
Bus Bandwidth
16GB/s
Bus Bandwidth
32GB/s

PCIe
PCIe 3.0 x40
39.4GB/sBandwidth
PCIe
PCIe 5.0 x128
504.1GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2016 branding
Branding
Threadripper PRO 2017 branding
Codename
Broadwell-DE
-
Broadwell-E-MCCVariant
Codename
Shimada Peak
EldoraDie
Shimada Peak 2CCDVariant
Market Segment
Server
Market Segment
Server
Release Date
Jun 1, 2016
Release Date
May 20, 2025

Foundry
Intel
Foundry
TSMC
Other Foundries
-
Other Foundries
TSMCIO
Fabrication Node
14nm
-
Fabrication Node
N4X
N6IO
Die Size
306mm²
-
Die Size
141mm²
388mm²IO
Transistor Count
4.7 Billion
-
Transistor Count
16.6 Billion
11 BillionIO
Transistor Density
15 MTr/mm²
-
Transistor Density
118 MTr/mm²
28 MTr/mm²IO

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