CPUs

Intel Core i9-9940X vs Intel Xeon 6517P Full Specs

14 Cores
28 Threads
3.3GHz
16 Cores
32 Threads
3.2GHz
TDP
165W
TDP
190W
Bandwidth
85.3GB/s
DDR4
Bandwidth
409.6GB/s
DDR5
Socket
Socket

Core i9-9940XCore i9-9940X1,470
x1
Xeon 6517PXeon 6517P-
-

14 Cores
16 Cores
28 Threads
32 Threads

Base Clock
3.3GHz
Base Clock
3.2GHz
Boost Clock
4.5GHz
Boost Clock
4.2GHz
Overclocking
Unlocked
Overclocking
Locked

L1i
32KB
L1i
64KB
L1d
32KB
L1d
48KB
L2
1MB
L2
2MB
L3
19.3MB
L3
72MB

Type
DDR4
Type
DDR5
Max Memory
128GB
Max Memory
4.1TB
ECC
No
ECC
Yes
Channels
4
Channels
8
Bus Width
256-bit
Bus Width
512-bit
Speed
2666MT/s
Speed
6400MT/s
Bandwidth
85.3GB/s
Bandwidth
409.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
85.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
409.6GB/s

TDP
165W
TDP
190W
Max Operating Temp
-
Max Operating Temp
103°C Max
T-Case
88°C Max
T-Case
79°C Max
Included Cooler
0
Included Cooler
-

Bus Type
DMI
Bus Type
UPI
Bus Config
4 lanes
Bus Config
24-bit
Bus Speed
8GT/s
Bus Speed
24GT/s
Bus Bandwidth
4GB/s
Bus Bandwidth
72GB/s

PCIe
PCIe 3.0 x44
43.3GB/sBandwidth
PCIe
PCIe 5.0 x88
346.5GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Core i9 X 2016 branding
Branding
Xeon 2024 branding
Codename
Skylake-E
-
Skylake-SP-HCCVariant
-
-
Codename
Granite Rapids-D
16Die
Granite Rapids-LCCVariant
Redwood CoveP-Core
16M-Core
Market Segment
Workstation
Market Segment
Server
Release Date
Oct 9, 2018
Release Date
Feb 24, 2025

Foundry
Intel
Foundry
Intel
Other Foundries
-
Other Foundries
IntelIO
Fabrication Node
14nm
-
Fabrication Node
Intel 3
Intel 7IO
Die Size
484mm²
-
Die Size
-
482mm²IO
Transistor Count
8.3 Billion
Transistor Count
-
Transistor Density
17 MTr/mm²
Transistor Density
-

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