Intel Core i9-10900K vs Intel Core i9-9900X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-10900K or Intel Core i9-10900K – 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 i9-10900K features 10 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q2/2020 and belongs to the 10 generation of the Intel Core i9 series.
To use the Intel Core i9-10900K, you'll need a motherboard with a LGA 1200 socket.
The Intel Core i9-9900X features 10 processor cores and has the capability to manage 20 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 i9-9900X, you'll need a motherboard with a LGA 2066 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-10900K Name Intel Core i9-9900X
Intel Core i9 Family Intel Core i9
10 Generation 9
Intel Core i 10000 Group Intel Core i 9000X
 
 

CPU Cores and Base Frequency

The Intel Core i9-10900K has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Core i9-10900K is 3.7 GHz
and turbo frequency for one core is 5.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-9900X has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Core i9-9900X is 3.5 GHz
and turbo frequency for one core is 4.5 GHz.
5.3 GHz Turbo Frequency (1 core) 4.5 GHz
Yes Overclocking Yes
normal Core architecture normal
3.7 GHz Frequency 3.5 GHz
20 Threads 20
Yes Hyperthreading Yes
10 CPU Cores 10
10x Cores 10x
 
 

Internal Graphics

The Intel Core i9-10900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-10900K uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i9-9900X does not have integrated graphics.
0.35 GHz GPU frequency --
Q4/2017 Release date --
12 Direct X --
Intel UHD Graphics 630 GPU name
14 nm Technology --
-- Max. displays --
192 Shaders --
64.0 GB Max. GPU Memory 0 bytes
24 Execution units --
9.5 Generation --
1.2 GHz 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.
Decode / Encode AVC --
Decode VC-1 --
Decode / Encode VP9 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode / Encode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
No AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 45.8 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.
2 Memory channels 4
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
45.8 GB/s Bandwidth 42.7 GB/s
DDR4-2933 Memory type DDR4-2666
 
 

Thermal Management

The processor has a thermal design power (TDP) of 125 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.
The processor has a thermal design power (TDP) of 165 W watts.
100 °C Tjunction max 92 °C
125 W TDP (PL1 / PBP) 165 W
95 W TDP down None
 
 

Technical details

The Intel Core i9-10900K 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 20.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-9900X is manufactured using a 14 nm process.
In total, this processor boasts a generous 19.0 MB cache.
Q2/2020 Release date Q4/2018
-- 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 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Monolithic Chip design Monolithic
Comet Lake S Architecture Skylake X Refresh
14 nm Technology 14 nm
LGA 1200 Socket LGA 2066
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
490 $ Release price 989 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
20.0 MB L3-Cache 19.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-10900K
10C 20T @ 3.7 GHz
23706
23706
Intel Core i9-9900X
10C 20T @ 3.5 GHz
21882
21882

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
11344
11344
Intel Core i9-9900X
10C 20T @ 3.5 GHz
10490
10490

Geekbench 6 (Multi-Core)

Intel Core i9-9900X
10C 20T @ 3.5 GHz
9475
9475
Intel Core i9-10900K
10C 20T @ 3.7 GHz
8990
8990

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
7347
7347
Intel Core i9-9900X
10C 20T @ 3.5 GHz
5640
5640

Cinebench R20 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
6419
6419
Intel Core i9-9900X
10C 20T @ 3.5 GHz
4855
4855

Cinebench R15 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
2668
2668
Intel Core i9-9900X
10C 20T @ 3.5 GHz
2114
2114

Geekbench 6 (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1743
1743
Intel Core i9-9900X
10C 20T @ 3.5 GHz
1459
1459

Geekbench 5, 64bit (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1417
1417
Intel Core i9-9900X
10C 20T @ 3.5 GHz
1174
1174

Cinebench R20 (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
645
645
Intel Core i9-9900X
10C 20T @ 3.5 GHz
455
455

Blender 2.81 (bmw27)

Intel Core i9-9900X
10C 20T @ 3.5 GHz
169.7
169.7
Intel Core i9-10900K
10C 20T @ 3.7 GHz
126
126