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
Intel Core i5-12400 Name Intel Core 2 Quad Q9550
Desktop / Server Segment Desktop / Server
12 Generation 2
Intel Core i 12000 Group Intel Core 2 Quad Q8000/Q9000
 
 

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
4.4 GHz Turbo Frequency (1 core) None
normal Core architecture normal
6 CPU Cores 4
4.0 GHz Turbo Frequency (all cores) None
12 Threads 4
2.5 GHz Frequency 2.83 GHz
No Overclocking No
6x Golden Cove Cores 4x
Yes Hyperthreading No
 
 

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.
-- Max. displays --
Intel UHD Graphics 730 GPU name
192 Shaders --
12 Direct X --
Q1/2021 Release date --
12 Generation --
24 Execution units --
64.0 GB Max. GPU Memory 0 bytes
14 nm Technology --
0.3 GHz GPU frequency --
1.45 GHz GPU (Turbo) --
 
 

Artificial Intelligence and Machine Learning

-- AI hardware --
-- AI specifications --
 
 

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

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.
Yes AES-NI No
DDR4-3200, DDR5-4800 Memory type DDR3-1066, DDR2-800
2 Memory channels 2
No ECC No
pci PCIe pci
76.8 GB/s Bandwidth --
128.0 GB Max. Memory 16.0 GB
 
 

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.
117 W TDP (PL2) None
100 °C Tjunction max --
65 W TDP (PL1 / PBP) 95 W
 
 

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.
LGA 1700 Socket LGA 775
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
192 $ Release price --
Q1/2022 Release date Q1/2008
Technical data sheet Documents Technical data sheet
Monolithic Chip design Monolithic
Alder Lake S Architecture Yorkfield (Penryn)
18.0 MB L3-Cache 0 bytes
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE3, SSE4.1, MMX, SSE2
-- Part Number --
7.5 MB L2-Cache 12.0 MB
10 nm Technology 45 nm
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-d
 
 

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