Intel Core i9-9900K vs Intel Xeon Gold 6256

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-9900K or Intel Core i9-9900K – 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 i9-9900K features 8 processor cores and has the capability to manage 16 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 i9-9900K, you'll need a motherboard with a LGA 1151-2 socket.
The Intel Xeon Gold 6256 features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q1/2020 and belongs to the 2 generation of the Intel Xeon Gold series.
To use the Intel Xeon Gold 6256, you'll need a motherboard with a LGA 3647 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-9900K Name Intel Xeon Gold 6256
Intel Core i9 Family Intel Xeon Gold
9 Generation 2
Intel Core i 9000 Group Intel Xeon Gold 5200/6200
 
 

CPU Cores and Base Frequency

The Intel Core i9-9900K has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-9900K is 3.6 GHz
and turbo frequency for one core is 5.0 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Xeon Gold 6256 has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the Intel Xeon Gold 6256 is 3.6 GHz
and turbo frequency for one core is 4.5 GHz.
5.0 GHz Turbo Frequency (1 core) 4.5 GHz
Yes Overclocking No
normal Core architecture normal
3.6 GHz Frequency 3.6 GHz
16 Threads 24
4.7 GHz Turbo Frequency (all cores) None
Yes Hyperthreading Yes
8 CPU Cores 12
8x Cores 12x
 
 

Internal Graphics

The Intel Core i9-9900K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-9900K 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 Xeon Gold 6256 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 39.5 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 1.0 TB distributed across 6 memory channels. It offers a peak memory bandwidth of 140.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 6
128.0 GB Max. Memory 1.0 TB
pci PCIe pci
Yes AES-NI Yes
No ECC Yes
39.5 GB/s Bandwidth 140.7 GB/s
DDR4-2666 Memory type DDR4-2933
 
 

Thermal Management

The processor has a thermal design power (TDP) of 95 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 205 W watts.
100 °C Tjunction max 76 °C
95 W TDP (PL1 / PBP) 205 W
 
 

Technical details

The Intel Core i9-9900K 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 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Xeon Gold 6256 is manufactured using a 14 nm process.
In total, this processor boasts a generous 33.0 MB cache.
Q4/2018 Release date Q1/2020
-- 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
Coffee Lake S Refresh Architecture Cascade Lake
14 nm Technology 14 nm
LGA 1151-2 Socket LGA 3647
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
650 $ Release price 3900 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
16.0 MB L3-Cache 33.0 MB
 
 

Benchmarks

Geekbench 5, 64bit (Single-Core)

Intel Core i9-9900K
8C 16T @ 3.6 GHz
1342
1342
Intel Xeon Gold 6256
12C 24T @ 3.6 GHz
1222
1222