Intel Core i9-10900K vs Intel Xeon W-2145

Last updated:

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 Xeon W-2145 features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q3/2017 and belongs to the 6 generation of the Intel Xeon W series.
To use the Intel Xeon W-2145, you'll need a motherboard with a LGA 2066 socket.
Desktop / Server Segment Desktop / Server
Intel Core i9-10900K Name Intel Xeon W-2145
Intel Core i9 Family Intel Xeon W
10 Generation 6
Intel Core i 10000 Group Intel Xeon W-2100/3100
 
 

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 Xeon W-2145 has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Xeon W-2145 is 3.7 GHz
and turbo frequency for one core is 4.5 GHz.
5.3 GHz Turbo Frequency (1 core) 4.5 GHz
Yes Overclocking No
normal Core architecture normal
3.7 GHz Frequency 3.7 GHz
20 Threads 16
None None 4.2 GHz
Yes Hyperthreading Yes
10 CPU Cores 8
10x Cores 8x
 
 

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 Xeon W-2145 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 512.0 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.
2 Memory channels 4
128.0 GB Max. Memory 512.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC Yes
45.8 GB/s Bandwidth 85.4 GB/s
DDR4-2933 Memory type DDR4-2666
 
 

Thermal Management

The processor has a thermal design power (TDP) of 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 140 W watts.
100 °C Tjunction max --
125 W TDP (PL1 / PBP) 140 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 Xeon W-2145 is manufactured using a 14 nm process.
In total, this processor boasts a generous 11.0 MB cache.
Q2/2020 Release date Q3/2017
-- 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 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Monolithic Chip design Monolithic
Comet Lake S Architecture Skylake W
14 nm Technology 14 nm
LGA 1200 Socket LGA 2066
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
490 $ Release price 1113 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
20.0 MB L3-Cache 11.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-10900K
10C 20T @ 3.7 GHz
23706
23706
Intel Xeon W-2145
8C 16T @ 3.7 GHz
18183
18183

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
11344
11344
Intel Xeon W-2145
8C 16T @ 3.7 GHz
9524
9524

Geekbench 6 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
8990
8990
Intel Xeon W-2145
8C 16T @ 3.7 GHz
8564
8564

Cinebench R15 (Multi-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
2668
2668
Intel Xeon W-2145
8C 16T @ 3.7 GHz
1852
1852

Geekbench 6 (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1743
1743
Intel Xeon W-2145
8C 16T @ 3.7 GHz
1487
1487

Geekbench 5, 64bit (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
1417
1417
Intel Xeon W-2145
8C 16T @ 3.7 GHz
1258
1258

Cinebench R15 (Single-Core)

Intel Core i9-10900K
10C 20T @ 3.7 GHz
232
232
Intel Xeon W-2145
8C 16T @ 3.7 GHz
193
193