Intel Core i7-975 vs Intel Core i7-980X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-975 or Intel Core i7-975 – 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 i7-975 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.
The Intel Core i7-980X features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2010 and belongs to the 1 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-980X, you'll need a motherboard with a LGA 1366 socket.
Intel Core i7-975 Name Intel Core i7-980X
Intel Core i7 Extreme Edition Family Intel Core i7 Extreme Edition
1 Generation 1
Intel Core i7 900 Group Intel Core i7 900
Desktop / Server Segment Desktop / Server
 
 

CPU Cores and Base Frequency

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.
The Intel Core i7-980X has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i7-980X is 3.33 GHz
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
4x Cores 6x
Yes Overclocking Yes
normal Core architecture normal
3.6 GHz Turbo Frequency (1 core) 3.6 GHz
3.33 GHz Frequency 3.33 GHz
8 Threads 12
4 CPU Cores 6
Yes Hyperthreading Yes
 
 

Internal Graphics

The Intel Core i7-975 does not have integrated graphics.
The Intel Core i7-980X does not have integrated graphics.
-- Technology --
-- Direct X --
-- GPU (Turbo) --
-- GPU frequency --
-- Release date --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Shaders --
-- Generation --
-- Max. displays --
GPU name
 
 

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

Memory & PCIe

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.
DDR3-1066 Memory type DDR3-1066
24.0 GB Max. Memory 24.0 GB
3 Memory channels 3
25.6 GB/s Bandwidth 25.6 GB/s
pci PCIe pci
No ECC No
No AES-NI No
 
 

Thermal Management

The processor has a thermal design power (TDP) of 130 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.
130 W TDP (PL1 / PBP) 130 W
-- Tjunction max --
 
 

Technical details

The Intel Core i7-975 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 i7-980X is manufactured using a 32 nm process.
In total, this processor boasts a generous 12.0 MB cache.
45 nm Technology 32 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Technical data sheet Documents Technical data sheet
LGA 1366 Socket LGA 1366
-- Part Number --
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Windows 10, Linux Operating systems Windows 10, Linux
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
Monolithic Chip design Monolithic
Bloomfield Architecture Gulftown
1059 $ Release price 1059 $
1.0 MB L2-Cache 1.5 MB
Q4/2008 Release date Q1/2010
8.0 MB L3-Cache 12.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i7-980X
6C 12T @ 3.33 GHz
6897
6897
Intel Core i7-975
4C 8T @ 3.33 GHz
3396
3396

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-980X
6C 12T @ 3.33 GHz
3391
3391
Intel Core i7-975
4C 8T @ 3.33 GHz
2460
2460

Geekbench 6 (Multi-Core)

Intel Core i7-980X
6C 12T @ 3.33 GHz
2847
2847
Intel Core i7-975
4C 8T @ 3.33 GHz
2225
2225

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-980X
6C 12T @ 3.33 GHz
2354
2354
Intel Core i7-975
4C 8T @ 3.33 GHz
1598
1598

Geekbench 6 (Single-Core)

Intel Core i7-980X
6C 12T @ 3.33 GHz
645
645
Intel Core i7-975
4C 8T @ 3.33 GHz
635
635

Geekbench 5, 64bit (Single-Core)

Intel Core i7-980X
6C 12T @ 3.33 GHz
614
614
Intel Core i7-975
4C 8T @ 3.33 GHz
607
607