Intel Core i9-10940X vs Intel Core i9-7940X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-10940X or Intel Core i9-10940X – 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 i9-10940X features 14 processor cores and has the capability to manage 28 threads concurrently.
It was released in Q4/2019 and belongs to the 10 generation of the Intel Core i9 series.
To use the Intel Core i9-10940X, you'll need a motherboard with a LGA 2066 socket.
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.
Desktop / Server Segment Desktop / Server
Intel Core i9-10940X Name Intel Core i9-7940X
Intel Core i9 Family Intel Core i9
10 Generation 7
Intel Core i 10000X Group Intel Core i 7000X
 
 

CPU Cores and Base Frequency

The Intel Core i9-10940X has 14 CPU cores and can calculate 28 threads in parallel.
The clock frequency of the Intel Core i9-10940X is 3.3 GHz
and turbo frequency for one core is 4.8 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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.
4.8 GHz Turbo Frequency (1 core) 4.3 GHz
Yes Overclocking Yes
normal Core architecture normal
3.3 GHz Frequency 3.1 GHz
28 Threads 28
Yes Hyperthreading Yes
14 CPU Cores 14
14x Cores 14x
 
 

Internal Graphics

The Intel Core i9-10940X does not have integrated graphics.
The Intel Core i9-7940X 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 256.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 93.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
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
256.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
93.8 GB/s Bandwidth 85.4 GB/s
DDR4-2933 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.
86 °C Tjunction max --
165 W TDP (PL1 / PBP) 165 W
 
 

Technical details

The Intel Core i9-10940X 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 i9-7940X is manufactured using a 14 nm process.
Q4/2019 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
Cascade Lake Architecture Skylake X
14 nm Technology 14 nm
LGA 2066 Socket LGA 2066
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
784 $ Release price 1399 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
19.0 MB L3-Cache 19.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-10940X
14C 28T @ 3.3 GHz
28029
28029
Intel Core i9-7940X
14C 28T @ 3.1 GHz
26338
26338

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-10940X
14C 28T @ 3.3 GHz
13831
13831
Intel Core i9-7940X
14C 28T @ 3.1 GHz
12964
12964

Geekbench 6 (Multi-Core)

Intel Core i9-10940X
14C 28T @ 3.3 GHz
11762
11762
Intel Core i9-7940X
14C 28T @ 3.1 GHz
10425
10425

Cinebench R15 (Multi-Core)

Intel Core i9-10940X
14C 28T @ 3.3 GHz
3117
3117
Intel Core i9-7940X
14C 28T @ 3.1 GHz
2849
2849

Geekbench 6 (Single-Core)

Intel Core i9-10940X
14C 28T @ 3.3 GHz
1568
1568
Intel Core i9-7940X
14C 28T @ 3.1 GHz
1410
1410

Geekbench 5, 64bit (Single-Core)

Intel Core i9-10940X
14C 28T @ 3.3 GHz
1211
1211
Intel Core i9-7940X
14C 28T @ 3.1 GHz
1133
1133

Cinebench R15 (Single-Core)

Intel Core i9-10940X
14C 28T @ 3.3 GHz
201
201
Intel Core i9-7940X
14C 28T @ 3.1 GHz
188
188