Intel Core i5-2400 vs Intel Core i7-975

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-2400 or Intel Core i5-2400 – 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 i5-2400 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2011 and belongs to the 2 generation of the Intel Core i5 series.
To use the Intel Core i5-2400, you'll need a motherboard with a LGA 1155 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.
Desktop / Server Segment Desktop / Server
Intel Core i5-2400 Name Intel Core i7-975
Intel Core i 2000 Group Intel Core i7 900
2 Generation 1
Intel Core i5 Family Intel Core i7 Extreme Edition
 
 

CPU Cores and Base Frequency

The Intel Core i5-2400 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-2400 is 3.1 GHz
and turbo frequency for one core is 3.4 GHz.
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.
No Overclocking Yes
3.4 GHz Turbo Frequency (1 core) 3.6 GHz
4 Threads 8
No Hyperthreading Yes
4x Cores 4x
3.1 GHz Frequency 3.33 GHz
4 CPU Cores 4
normal Core architecture normal
 
 

Internal Graphics

The Intel Core i5-2400 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-2400 uses the Intel HD Graphics 2000, which has 48 texture shaders
and 6 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-975 does not have integrated graphics.
0.85 GHz GPU frequency --
6 Execution units --
Q1/2011 Release date --
1.1 GHz GPU (Turbo) --
-- Max. displays --
48 Shaders --
2.0 GB Max. GPU Memory 0 bytes
6 Generation --
10.1 Direct X --
32 nm Technology --
Intel HD Graphics 2000 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.
No h265 / HEVC (8 bit) --
No AV1 --
No VP9 --
Decode VC-1 --
No VP8 --
Decode / Encode h264 --
No JPEG --
Decode / Encode AVC --
No h265 / HEVC (10 bit) --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 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.
32.0 GB Max. Memory 24.0 GB
DDR3-1333 Memory type DDR3-1066
pci PCIe pci
Yes AES-NI No
21.3 GB/s Bandwidth 25.6 GB/s
No ECC No
2 Memory channels 3
 
 

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 130 W watts.
95 W TDP (PL1 / PBP) 130 W
-- Tjunction max --
 
 

Technical details

The Intel Core i5-2400 is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 6.0 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.
Windows 10, Linux Operating systems Windows 10, Linux
0 bytes L2-Cache 1.0 MB
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2
6.0 MB L3-Cache 8.0 MB
Q1/2011 Release date Q4/2008
-- Release price 1059 $
Technical data sheet Documents Technical data sheet
-- Part Number --
LGA 1155 Socket LGA 1366
Sandy Bridge S Architecture Bloomfield
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
32 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
 
 

Benchmarks

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-975
4C 8T @ 3.33 GHz
2460
2460
Intel Core i5-2400
4C 4T @ 3.1 GHz
2345
2345

Geekbench 6 (Multi-Core)

Intel Core i7-975
4C 8T @ 3.33 GHz
2225
2225
Intel Core i5-2400
4C 4T @ 3.1 GHz
1778
1778

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-975
4C 8T @ 3.33 GHz
1598
1598
Intel Core i5-2400
4C 4T @ 3.1 GHz
1230
1230

Geekbench 6 (Single-Core)

Intel Core i7-975
4C 8T @ 3.33 GHz
635
635
Intel Core i5-2400
4C 4T @ 3.1 GHz
598
598