Intel Core i9-10940X vs Intel Core i9-9940X

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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 i9-9940X features 14 processor cores and has the capability to manage 28 threads concurrently.
It was released in Q4/2018 and belongs to the 9 generation of the Intel Core i9 series.
To use the Intel Core i9-9940X, you'll need a motherboard with a LGA 2066 socket.
Intel Core i9 Family Intel Core i9
Desktop / Server Segment Desktop / Server
Intel Core i9-10940X Name Intel Core i9-9940X
Intel Core i 10000X Group Intel Core i 9000X
10 Generation 9
 
 

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 i9-9940X has 14 CPU cores and can calculate 28 threads in parallel.
The clock frequency of the Intel Core i9-9940X is 3.3 GHz
and turbo frequency for one core is 4.5 GHz.
14x Cores 14x
3.3 GHz Frequency 3.3 GHz
14 CPU Cores 14
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
28 Threads 28
4.8 GHz Turbo Frequency (1 core) 4.5 GHz
 
 

Internal Graphics

The Intel Core i9-10940X does not have integrated graphics.
The Intel Core i9-9940X does not have integrated graphics.
-- GPU (Turbo) --
-- Release date --
-- Execution units --
-- Direct X --
-- Max. displays --
-- Shaders --
GPU name
-- GPU frequency --
0 bytes Max. GPU Memory 0 bytes
-- Generation --
-- Technology --
 
 

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.
-- VP8 --
-- VP9 --
-- AVC --
-- h264 --
-- JPEG --
-- VC-1 --
-- AV1 --
-- h265 / HEVC (8 bit) --
-- h265 / HEVC (10 bit) --
 
 

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 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI Yes
256.0 GB Max. Memory 128.0 GB
93.8 GB/s Bandwidth 42.7 GB/s
DDR4-2933 Memory type DDR4-2666
pci PCIe pci
4 Memory channels 4
No ECC No
 
 

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.
165 W TDP (PL1 / PBP) 165 W
86 °C Tjunction max 92 °C
 
 

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 i9-9940X is manufactured using a 14 nm process.
Technical data sheet Documents Technical data sheet
Q4/2019 Release date Q4/2018
LGA 2066 Socket LGA 2066
0 bytes L2-Cache 0 bytes
19.0 MB L3-Cache 19.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Cascade Lake Architecture Skylake X Refresh
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
784 $ Release price 1387 $
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Monolithic Chip design Monolithic
14 nm Technology 14 nm
 
 

Benchmarks