CPUs

Intel Core i9-9940X vs Intel Xeon W-2191B Full Specs

14 Cores
28 Threads
3.3GHz
18 Cores
36 Threads
2.3GHz
TDP
165W
TDP
140W
Bandwidth
85.3GB/s
DDR4
Bandwidth
85.3GB/s
DDR4
Socket
Socket

Core i9-9940XCore i9-9940X1,470
x1.13
Xeon W-2191BXeon W-2191B1,300
x1

14 Cores
18 Cores
28 Threads
36 Threads

Base Clock
3.3GHz
Base Clock
2.3GHz
Boost Clock
4.5GHz
Boost Clock
4.3GHz
Overclocking
Unlocked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
1MB
L2
1MB
L3
19.3MB
L3
24.8MB

Type
DDR4
Type
DDR4
Max Memory
128GB
Max Memory
512GB
ECC
No
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
2666MT/s
Speed
2666MT/s
Bandwidth
85.3GB/s
Bandwidth
85.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
85.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
85.3GB/s

TDP
165W
TDP
140W
Max Operating Temp
-
Max Operating Temp
100°C Max
T-Case
88°C Max
T-Case
-
Included Cooler
0
Included Cooler
0

Bus Type
DMI
Bus Type
DMI
Bus Config
4 lanes
Bus Config
4 lanes
Bus Speed
8GT/s
Bus Speed
8GT/s
Bus Bandwidth
4GB/s
Bus Bandwidth
4GB/s

PCIe
PCIe 3.0 x44
43.3GB/sBandwidth
PCIe
PCIe 3.0 x48
47.3GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Core i9 X 2016 branding
Branding
Xeon 2016 branding
Codename
Skylake-E
Skylake-SP-HCCVariant
Codename
Skylake-E
Skylake-SP-HCCVariant
Market Segment
Workstation
Market Segment
Workstation
Release Date
Oct 9, 2018
Release Date
Dec 21, 2017

Foundry
Intel
Foundry
Intel
Fabrication Node
14nm
Fabrication Node
14nm
Die Size
484mm²
Die Size
484mm²
Transistor Count
8.3 Billion
Transistor Count
8.3 Billion
Transistor Density
17 MTr/mm²
Transistor Density
17 MTr/mm²

No images available
No images available

All-in-Ones
-
All-in-Ones