Intel Core i7-10700KF vs Intel Core i7-975

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-10700KF or Intel Core i7-10700KF – 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 i7-10700KF features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2020 and belongs to the 10 generation of the Intel Core i7 series.
To use the Intel Core i7-10700KF, you'll need a motherboard with a LGA 1200 socket.
The Intel Core i7-975 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2008 and belongs to the 1 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-975, you'll need a motherboard with a LGA 1366 socket.
Intel Core i7 Family Intel Core i7 Extreme Edition
Desktop / Server Segment Desktop / Server
Intel Core i7-10700KF Name Intel Core i7-975
Intel Core i 10000 Group Intel Core i7 900
10 Generation 1
 
 

CPU Cores and Base Frequency

The Intel Core i7-10700KF has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i7-10700KF is 3.8 GHz
and turbo frequency for one core is 5.1 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-975 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-975 is 3.33 GHz
and turbo frequency for one core is 3.6 GHz.
8x Cores 4x
4.9 GHz Turbo Frequency (all cores) None
3.8 GHz Frequency 3.33 GHz
8 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
16 Threads 8
5.1 GHz Turbo Frequency (1 core) 3.6 GHz
 
 

Internal Graphics

The Intel Core i7-10700KF does not have integrated graphics.
The Intel Core i7-975 does not have integrated graphics.
-- GPU (Turbo) --
-- Release date --
-- Execution units --
-- Direct X --
-- Max. displays --
-- Shaders --
GPU name
-- GPU frequency --
0 bytes Max. GPU Memory 0 bytes
-- Generation --
-- Technology --
 
 

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.
-- VP8 --
-- VP9 --
-- AVC --
-- h264 --
-- JPEG --
-- VC-1 --
-- AV1 --
-- h265 / HEVC (8 bit) --
-- h265 / HEVC (10 bit) --
 
 

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 24.0 GB distributed across 3 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI No
128.0 GB Max. Memory 24.0 GB
45.8 GB/s Bandwidth 25.6 GB/s
DDR4-2933 Memory type DDR3-1066
pci PCIe pci
2 Memory channels 3
No ECC No
 
 

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 130 W watts.
95 W TDP down None
125 W TDP (PL1 / PBP) 130 W
100 °C Tjunction max --
 
 

Technical details

The Intel Core i7-10700KF 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 Core i7-975 is manufactured using a 45 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Technical data sheet Documents Technical data sheet
Q2/2020 Release date Q4/2008
LGA 1200 Socket LGA 1366
0 bytes L2-Cache 1.0 MB
16.0 MB L3-Cache 8.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Comet Lake S Architecture Bloomfield
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
349 $ Release price 1059 $
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2
Monolithic Chip design Monolithic
14 nm Technology 45 nm
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i7-10700KF
8C 16T @ 3.8 GHz
19094
19094
Intel Core i7-975
4C 8T @ 3.33 GHz
3396
3396

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-10700KF
8C 16T @ 3.8 GHz
9268
9268
Intel Core i7-975
4C 8T @ 3.33 GHz
2460
2460

Geekbench 6 (Multi-Core)

Intel Core i7-10700KF
8C 16T @ 3.8 GHz
8629
8629
Intel Core i7-975
4C 8T @ 3.33 GHz
2225
2225

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-10700KF
8C 16T @ 3.8 GHz
5614
5614
Intel Core i7-975
4C 8T @ 3.33 GHz
1598
1598

Geekbench 6 (Single-Core)

Intel Core i7-10700KF
8C 16T @ 3.8 GHz
1636
1636
Intel Core i7-975
4C 8T @ 3.33 GHz
635
635

Geekbench 5, 64bit (Single-Core)

Intel Core i7-10700KF
8C 16T @ 3.8 GHz
1347
1347
Intel Core i7-975
4C 8T @ 3.33 GHz
607
607