Intel Core i7-875K vs Intel Core i7-8700K

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-875K or Intel Core i7-875K – 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 i7-875K features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2010 and belongs to the 1 generation of the Intel Core i7 series.
To use the Intel Core i7-875K, you'll need a motherboard with a LGA 1156 socket.
The Intel Core i7-8700K features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q4/2017 and belongs to the 8 generation of the Intel Core i7 series.
To use the Intel Core i7-8700K, you'll need a motherboard with a LGA 1151-2 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-875K Name Intel Core i7-8700K
Intel Core i7 Family Intel Core i7
1 Generation 8
Intel Core i7 800 Group Intel Core i 8000
 
 

CPU Cores and Base Frequency

The Intel Core i7-875K has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-875K is 2.93 GHz
and turbo frequency for one core is 3.6 GHz.
The Intel Core i7-8700K has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-8700K is 3.7 GHz
and turbo frequency for one core is 4.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
3.6 GHz Turbo Frequency (1 core) 4.7 GHz
Yes Overclocking Yes
normal Core architecture normal
2.93 GHz Frequency 3.7 GHz
8 Threads 12
None None 4.3 GHz
Yes Hyperthreading Yes
4 CPU Cores 6
4x Cores 6x
 
 

Internal Graphics

The Intel Core i7-875K does not have integrated graphics.
The Intel Core i7-8700K has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-8700K 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.
-- GPU frequency 0.35 GHz
-- Release date Q4/2017
-- Direct X 12
GPU name Intel UHD Graphics 630
-- Technology 14 nm
-- Max. displays --
-- Shaders 192
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 24
-- Generation 9.5
-- GPU (Turbo) 1.2 GHz
 
 

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.
-- AVC Decode / Encode
-- VC-1 Decode
-- VP9 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- JPEG Decode / Encode
-- AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.0 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 2 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 2
16.0 GB Max. Memory 128.0 GB
pci PCIe pci
No AES-NI Yes
No ECC No
21.0 GB/s Bandwidth 42.7 GB/s
DDR3-1066 Memory type DDR4-2666
 
 

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.
-- Tjunction max --
95 W TDP (PL1 / PBP) 95 W
 
 

Technical details

The Intel Core i7-875K is manufactured using a 45 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-8700K is manufactured using a 14 nm process.
In total, this processor boasts a generous 12.0 MB cache.
Q2/2010 Release date Q4/2017
-- Part Number --
1.0 MB L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Lynnfield Architecture Coffee Lake S
45 nm Technology 14 nm
LGA 1156 Socket LGA 1151-2
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
353 $ Release price 370 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 12.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i7-8700K
6C 12T @ 3.7 GHz
13770
13770
Intel Core i7-875K
4C 8T @ 2.93 GHz
3092
3092

Geekbench 6 (Multi-Core)

Intel Core i7-8700K
6C 12T @ 3.7 GHz
6750
6750
Intel Core i7-875K
4C 8T @ 2.93 GHz
1425
1425

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-8700K
6C 12T @ 3.7 GHz
6693
6693
Intel Core i7-875K
4C 8T @ 2.93 GHz
2124
2124

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-8700K
6C 12T @ 3.7 GHz
3709
3709
Intel Core i7-875K
4C 8T @ 2.93 GHz
1447
1447

Geekbench 6 (Single-Core)

Intel Core i7-8700K
6C 12T @ 3.7 GHz
1486
1486
Intel Core i7-875K
4C 8T @ 2.93 GHz
472
472

Geekbench 5, 64bit (Single-Core)

Intel Core i7-8700K
6C 12T @ 3.7 GHz
1242
1242
Intel Core i7-875K
4C 8T @ 2.93 GHz
565
565