Intel Core i9-7940X vs Intel Core i9-7980XE

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-7940X or Intel Core i9-7940X – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-7940X features 14 processor cores and has the capability to manage 28 threads concurrently.
It was released in Q4/2017 and belongs to the 7 generation of the Intel Core i9 series.
To use the Intel Core i9-7940X, you'll need a motherboard with a LGA 2066 socket.
The Intel Core i9-7980XE features 18 processor cores and has the capability to manage 36 threads concurrently.
To use the Intel Core i9-7980XE, you'll need a motherboard with a LGA 2066 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-7940X Name Intel Core i9-7980XE
Intel Core i9 Family Intel Core i9
7 Generation 7
Intel Core i 7000X Group Intel Core i 7000X
 
 

CPU Cores and Base Frequency

The Intel Core i9-7940X has 14 CPU cores and can calculate 28 threads in parallel.
The clock frequency of the Intel Core i9-7940X is 3.1 GHz
and turbo frequency for one core is 4.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-7980XE has 18 CPU cores and can calculate 36 threads in parallel.
The clock frequency of the Intel Core i9-7980XE is 2.6 GHz
and turbo frequency for one core is 4.2 GHz.
4.3 GHz Turbo Frequency (1 core) 4.2 GHz
Yes Overclocking Yes
normal Core architecture normal
3.1 GHz Frequency 2.6 GHz
28 Threads 36
Yes Hyperthreading Yes
14 CPU Cores 18
14x Cores 18x
 
 

Internal Graphics

The Intel Core i9-7940X does not have integrated graphics.
The Intel Core i9-7980XE does not have integrated graphics.
-- GPU frequency --
-- Release date --
-- Direct X --
GPU name
-- Technology --
-- Max. displays --
-- Shaders --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Generation --
-- GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
-- AVC --
-- VC-1 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- h264 --
-- VP8 --
-- h265 / HEVC (8 bit) --
-- JPEG --
-- AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 85.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
4 Memory channels 4
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
85.4 GB/s Bandwidth 85.4 GB/s
DDR4-2666 Memory type DDR4-2666
 
 

Thermal Management

The processor has a thermal design power (TDP) of 165 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
-- Tjunction max --
165 W TDP (PL1 / PBP) 165 W
 
 

Technical details

The Intel Core i9-7940X is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 19.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-7980XE is manufactured using a 14 nm process.
In total, this processor boasts a generous 25.0 MB cache.
Q4/2017 Release date Q4/2017
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Monolithic Chip design Monolithic
Skylake X Architecture Skylake X
14 nm Technology 14 nm
LGA 2066 Socket LGA 2066
Windows 10, Linux Operating systems Windows 10, Linux
1399 $ Release price 1999 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
19.0 MB L3-Cache 25.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i9-7980XE
18C 36T @ 2.6 GHz
64908
64908
Intel Core i9-7940X
14C 28T @ 3.1 GHz
53446
53446

Estimated results for PassMark CPU Mark

Intel Core i9-7980XE
18C 36T @ 2.6 GHz
30321
30321
Intel Core i9-7940X
14C 28T @ 3.1 GHz
26338
26338

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-7980XE
18C 36T @ 2.6 GHz
16495
16495
Intel Core i9-7940X
14C 28T @ 3.1 GHz
12964
12964

Geekbench 6 (Multi-Core)

Intel Core i9-7980XE
18C 36T @ 2.6 GHz
11708
11708
Intel Core i9-7940X
14C 28T @ 3.1 GHz
10425
10425

Geekbench 3, 64bit (Single-Core)

Intel Core i9-7940X
14C 28T @ 3.1 GHz
4876
4876
Intel Core i9-7980XE
18C 36T @ 2.6 GHz
4763
4763

Cinebench R15 (Multi-Core)

Intel Core i9-7980XE
18C 36T @ 2.6 GHz
3455
3455
Intel Core i9-7940X
14C 28T @ 3.1 GHz
2849
2849

Geekbench 6 (Single-Core)

Intel Core i9-7940X
14C 28T @ 3.1 GHz
1410
1410
Intel Core i9-7980XE
18C 36T @ 2.6 GHz
1394
1394

Geekbench 5, 64bit (Single-Core)

Intel Core i9-7940X
14C 28T @ 3.1 GHz
1133
1133
Intel Core i9-7980XE
18C 36T @ 2.6 GHz
1121
1121

Cinebench R15 (Single-Core)

Intel Core i9-7940X
14C 28T @ 3.1 GHz
188
188
Intel Core i9-7980XE
18C 36T @ 2.6 GHz
184
184

Blender 2.81 (bmw27)

Intel Core i9-7940X
14C 28T @ 3.1 GHz
121.7
121.7
Intel Core i9-7980XE
18C 36T @ 2.6 GHz
77
77

Cinebench R11.5, 64bit (Multi-Core)

Intel Core i9-7980XE
18C 36T @ 2.6 GHz
37.9
37.9
Intel Core i9-7940X
14C 28T @ 3.1 GHz
31.2
31.2