Intel Core i9-10900K
VS
Intel Core i9-7940X
Intel Core i9-10900K
VS
Intel Core i9-7940X

Which to select

It is time to pick the winner. What is the difference between Intel Core i9-10900K vs Intel Core i9-7940X? What CPU is more powerful? It is quite easy to determine – look at comparison table. The processor with more cores/ threads and also with higher frequency is the absolute winner!

CPU Cores and Base Frequency

Who will win between Intel Core i9-10900K vs  Intel Core i9-7940X. The general performance of a CPU can easily be determined based on the number of its cores and the thread count, as well as the base frequency and Turbo frequency. The more GHz and cores a CPU has, the better. Please note that high technical specs require using a powerful cooling system.

3.70 GHz
Frequency
3.10 GHz
10
CPU Cores
14
5.30 GHz
Turbo (1 Core)
4.30 GHz
Yes
Hyperthreading
Yes
Yes
Overclocking
Yes
4.90 GHz
Turbo (10 Cores)
no data
no data
Turbo (14 Cores)
3.70 GHz

CPU generation and family

Internal Graphics

Some manufacturers complement their CPUs with graphic chips, such a solution being especially popular in laptops. The higher the clock frequency of a GPU is and the bigger its memory, the better. Find a winner - Intel Core i9-10900K vs Intel Core i9-7940X. 

Intel UHD Graphics 630
GPU name
0.35 GHz
GPU frequency
1.20 GHz
GPU (Turbo)
No turbo
9.5
Generation
12
DirectX Version
24
Execution units
192
Shader
64 GB
Max. Memory
--
3
Max. displays
14 nm
Technology
Q4/2017
Release date

Hardware codec support

Here we deal with specs that are used by some CPU manufacturers. These numbers are mainly technical and can be neglected for the purpose of the comparison analysis.

Decode / Encode
h264
No
Decode / Encode
JPEG
No
Decode / Encode
h265 8bit
No
Decode / Encode
h265 10bit
No
Decode / Encode
VP8
No
Decode / Encode
VP9
No
Decode
VC-1
No
Decode / Encode
AVC
No

Memory & PCIe

These are memory standards supported by CPUs. The higher such standards, the better a CPU’s performance is.

DDR4-2933
Memory type
DDR4-2666
128 GB
Max. Memory
2
Memory channels
4
No
ECC
No
3.0
PCIe version
3.0
16
PCIe lanes
44

Encryption

Data encryption support

Yes
AES-NI
Yes

Memory & AMP; PCIe

Thermal Management

The thermal design power (TDP), sometimes called thermal design point, is the maximum amount of heat generated by a computer chip or component (often a CPU, GPU or system on a chip) that the cooling system in a computer is designed to dissipate under any workload.

125 W
TDP
165 W
100 °C
Tjunction max.
--
--
TDP up
--
95 W
TDP down
--

Technical details

20
CPU Threads
28
20.00 MB
L3-Cache
19.00 MB
14 nm
Technology
14 nm
Comet Lake
Architecture
Skylake-X
VT-x, VT-x EPT, VT-d
Virtualization
VT-x, VT-d
LGA 1200
Socket
LGA 2066
Q2/2020
Release date
Q4/2017
ca. 490 $
Market price
ca. 1399 $

Devices using this processor

You probably know already what devices use CPUs. These can be a desktop or a laptop.

Unknown
Used in
Unknown

Compatibility

Technologies and extensions

Virtualization technologies

Memory specs

Peripherals

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

This synthetic test will help you determine the real computing power of a single core in the central processing unit. Cinebench R11.5 is based on MAXON CINEMA 4D and employs various testing scenarios

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

Cinebench R11.5 carries out simultaneous cross-platform tests on all the processor’s cores. By running realistic 3D scenes, this benchmark will reveal all the potential of your Intel or AMD single-unit processor

Cinebench R15 (Single-Core)

The latter is used for creation of 3D models and forms. Cinebench R15 is used for single-core processor performance benchmark test. The hyperthreading ability doesn't count. It is the updated version of Cinebench 11.5. As all new versions, the updated benchmark is based on Cinema 4 Suite software

Cinebench R15 (Multi-Core)

Cinebench R15 can be used for multi-core processor performance benchmark testing. The test produces precise and accurate results. This benchmark is the updated version of the Cinebench 11.5 which is based on Cinema 4 Suite soft.

Cinebench R20 (Single-Core)

Cinebench R20 is based on Cinema 4 Suite. It is the software used to create 3D forms. The benchmark runs for single-core test procedure without counting of hyperthreading ability.

Cinebench R20 (Multi-Core)

It is the new version of the benchmark which is developed on the basis of Cinebench R15 (both versions are operated on the basis of Cinema 4 - the most popular 3D modeling software). Cinebench R20 is used for multi-core processor performance benchmark tests and hyperthreading ability.

Cinebench R23 (Single-Core)

Cinebench R23 is the newest instalment of the most popular CPU Rendering Benchmark Single-Core Cinebench. We have the Score Results for all modern Processors

Cinebench R23 (Multi-Core)

Cinebench R23 is the newest instalment of the most popular CPU Rendering Benchmark Multi-Core Cinebench. We have the Score Results for all modern Processors

Geekbench 3, 64bit (Single-Core)

Geekbench 3 is the benchmark for Intel and AMD 64-bit processors. It employs a new power estimation system for a single CPU core. This software carries out the modeling of real scenarios to provide accurate results

Geekbench 3, 64bit (Multi-Core)

Geekbench 3 benchmark supports AMD and Intel multi-core processors. Being based on MAXON CINEMA 4D, it allows obtaining the real comparative CPU potential

Geekbench 5, 64bit (Single-Core)

Geekbench 5 benchmark is the newest software suit. Completely new algorithms provide the quite accurate benchmark testing results of the single-core CPU.

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 software suite shows benchmark testing results of the memory performance and speed of the multi-core processor. Here the hyperthreading ability is counted.

Blender 2.81 (bmw27)

We use Blender benchmark to trace performance of the central processing unit. The testing results show you how fast the unit runs on the implementation of the multi-processing tasks

Estimated results for PassMark CPU Mark

It tests entire and overall performance of the central processing unit (mathematical calculations, compression and decompression speed, 2D&3D graphic tests). Please note that data can differ from the real-world situations.

iGPU - FP32 Performance (Single-precision GFLOPS)

This test serves for determining the performance of integrated graphics in Intel and AMD processors. The result is the estimated computing power in the Single-Precision FP32 mode

Monero Hashrate kH/s

Using a Graphics Card (GPU) is the ideal way to mine Monero. While it requires substantially more investment compared to using a CPU, its hash rate is significantly higher