Intel Core i5-12400 vs Intel Core 2 Quad Q9550

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-12400 or Intel Core i5-12400 – 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 i5-12400 features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i5 series.
To use the Intel Core i5-12400, you'll need a motherboard with a LGA 1700 socket.
The Intel Core 2 Quad Q9550 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2008 and belongs to the 2 generation of the Intel Core2 Quad series.
To use the Intel Core 2 Quad Q9550, you'll need a motherboard with a LGA 775 socket.
Intel Core i5 Family Intel Core2 Quad
Desktop / Server Segment Desktop / Server
Intel Core i 12000 Group Intel Core 2 Quad Q8000/Q9000
12 Generation 2
Intel Core i5-12400 Name Intel Core 2 Quad Q9550
 
 

CPU Cores and Base Frequency

The Intel Core i5-12400 has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i5-12400 is 2.5 GHz
and turbo frequency for one core is 4.4 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core 2 Quad Q9550 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core 2 Quad Q9550 is 2.83 GHz
normal Core architecture normal
4.0 GHz Turbo Frequency (all cores) None
6 CPU Cores 4
No Overclocking No
4.4 GHz Turbo Frequency (1 core) None
Yes Hyperthreading No
6x Golden Cove Cores 4x
2.5 GHz Frequency 2.83 GHz
12 Threads 4
 
 

Internal Graphics

The Intel Core i5-12400 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-12400 uses the Intel UHD Graphics 730, 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 Core 2 Quad Q9550 does not have integrated graphics.
12 Direct X --
Q1/2021 Release date --
12 Generation --
64.0 GB Max. GPU Memory 0 bytes
-- Max. displays --
24 Execution units --
192 Shaders --
1.45 GHz GPU (Turbo) --
14 nm Technology --
0.3 GHz GPU frequency --
Intel UHD Graphics 730 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.
Decode VC-1 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode VP9 --
Decode AV1 --
Decode / Encode AVC --
Decode / Encode JPEG --
Decode / Encode VP8 --
Decode / Encode h264 --
 
 

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 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI No
DDR4-3200, DDR5-4800 Memory type DDR3-1066, DDR2-800
No ECC No
2 Memory channels 2
128.0 GB Max. Memory 16.0 GB
76.8 GB/s Bandwidth --
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 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 95 W watts.
100 °C Tjunction max --
65 W TDP (PL1 / PBP) 95 W
117 W TDP (PL2) None
 
 

Technical details

The Intel Core i5-12400 is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 18.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core 2 Quad Q9550 is manufactured using a 45 nm process.
192 $ Release price --
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
7.5 MB L2-Cache 12.0 MB
Q1/2022 Release date Q1/2008
Alder Lake S Architecture Yorkfield (Penryn)
LGA 1700 Socket LGA 775
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
-- Part Number --
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-d
Monolithic Chip design Monolithic
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE3, SSE4.1, MMX, SSE2
10 nm Technology 45 nm
18.0 MB L3-Cache 0 bytes
 
 

Benchmarks

Cinebench R23 (Multi-Core)

Intel Core i5-12400
6C 12T @ 2.5 GHz
12454
12454
Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
1642
1642

Geekbench 5, 64bit (Multi-Core)

Intel Core i5-12400
6C 12T @ 2.5 GHz
9451
9451
Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
1527
1527

Cinebench R23 (Single-Core)

Intel Core i5-12400
6C 12T @ 2.5 GHz
1623
1623
Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
435
435