CPUs

Intel Core i9-7940X vs AMD Ryzen Threadripper PRO 7945WX Full Specs

14 Cores
28 Threads
3.1GHz
12 Cores
24 Threads
4.7GHz
TDP
165W
TDP
350W
Bandwidth
85.3GB/s
DDR4
Bandwidth
332.8GB/s
DDR5
iGPU
0
iGPU
0
Socket
Socket

Core i9-7940XCore i9-7940X1,437
x1
Ryzen Threadripper PRO 7945WXRyzen Threadripper PRO 7945WX2,754
x1.92

14 Cores
12 Cores
28 Threads
24 Threads

Base Clock
3.1GHz
Base Clock
4.7GHz
Boost Clock
4.4GHz
Boost Clock
5.3GHz
Overclocking
Unlocked
Overclocking
Unlocked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
1MB
L2
1MB
L3
19.3MB
L3
64MB

Type
DDR4
Type
DDR5
Max Memory
128GB
Max Memory
2.05TB
ECC
No
ECC
Yes
Channels
4
Channels
8
Bus Width
256-bit
Bus Width
512-bit
Speed
2666MT/s
Speed
5200MT/s
Bandwidth
85.3GB/s
Bandwidth
332.8GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
85.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
332.8GB/s

TDP
165W
TDP
350W
Max Operating Temp
102°C Max
Max Operating Temp
95°C Max
Included Cooler
0
Included Cooler
0

Bus Type
DMI
Bus Type
PCIe
Bus Config
4 lanes
Bus Config
8 lanes
Bus Speed
8GT/s
Bus Speed
32GT/s
Bus Bandwidth
4GB/s
Bus Bandwidth
32GB/s

PCIe
PCIe 3.0 x44
43.3GB/sBandwidth
PCIe
PCIe 5.0 x128
504.1GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Core i9 X 2016 branding
Branding
Threadripper PRO 2017 branding
Codename
Skylake-E
-
Skylake-SP-HCCVariant
Codename
Storm Peak
DurangoDie
Storm Peak 2CCDVariant
Market Segment
Workstation
Market Segment
Workstation
Release Date
Sep 25, 2017
Release Date
Oct 19, 2023

Foundry
Intel
Foundry
TSMC
Other Foundries
-
Other Foundries
TSMCIO
Fabrication Node
14nm
-
Fabrication Node
N5
N6IO
Die Size
484mm²
-
Die Size
142mm²
388mm²IO
Transistor Count
8.3 Billion
-
Transistor Count
13.1 Billion
11 BillionIO
Transistor Density
17 MTr/mm²
-
Transistor Density
93 MTr/mm²
28 MTr/mm²IO

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