Intel Core 2 Quad Q9550 vs Intel Core 2 Quad Q9450

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CPU comparison with benchmarks


Intel Core 2 Quad Q9550 CPU1 vs CPU2 Intel Core 2 Quad Q9450
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9450

CPU comparison

In this CPU comparison, we compare the Intel Core 2 Quad Q9550 and the Intel Core 2 Quad Q9450 and use benchmarks to check which processor is faster.

We compare the Intel Core 2 Quad Q9550 4 core processor released in Q1/2008 with the Intel Core 2 Quad Q9450 which has 4 CPU cores and was introduced in Q1/2008.
Intel Core2 Quad (19) Family Intel Core2 Quad (19)
Intel Core 2 Quad Q8000/Q9000 (16) CPU group Intel Core 2 Quad Q8000/Q9000 (16)
2 Generation 2
Yorkfield (Penryn) Architecture Yorkfield (Penryn)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core 2 Quad Q9550 is a 4 core processor with a clock frequency of 2.83 GHz. The processor can compute 4 threads at the same time. The Intel Core 2 Quad Q9450 clocks with 2.66 GHz, has 4 CPU cores and can calculate 4 threads in parallel.

Intel Core 2 Quad Q9550 Characteristic Intel Core 2 Quad Q9450
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.83 GHz Frequency 2.66 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core 2 Quad Q9550 Characteristic Intel Core 2 Quad Q9450
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

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 iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core 2 Quad Q9550, while the Intel Core 2 Quad Q9450 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 12.8 GB/s enabled.

Intel Core 2 Quad Q9550 Characteristic Intel Core 2 Quad Q9450
DDR3-1066, DDR2-800 Memory DDR3-1066, DDR2-800
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
12.8 GB/s Max. Bandwidth 12.8 GB/s
No ECC No
12.00 MB L2 Cache 12.00 MB
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Intel Core 2 Quad Q9550 has a TDP of 95 W. The TDP of the Intel Core 2 Quad Q9450 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core 2 Quad Q9550 Characteristic Intel Core 2 Quad Q9450
95 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core 2 Quad Q9550 has 12.00 MB cache and is manufactured in 45 nm. The cache of Intel Core 2 Quad Q9450 is at 12.00 MB. The processor is manufactured in 45 nm.

Intel Core 2 Quad Q9550 Characteristic Intel Core 2 Quad Q9450
45 nm Technology 45 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE2, SSE3, SSE4.1 ISA extensions MMX, SSE2, SSE3, SSE4.1
LGA 775 Socket LGA 775
VT-x, VT-d Virtualization VT-x, VT-d
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2008 Release date Q1/2008
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core 2 Quad Q9550 (100%)
Intel Core 2 Quad Q9450 (89%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core 2 Quad Q9550 (100%)
Intel Core 2 Quad Q9450 (91%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
460 (100%)
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
408 (89%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
1527 (100%)
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
1363 (89%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
2291 (100%)
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
2110 (92%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
435 (100%)
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
1642 (100%)
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
249 (100%)
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9550
4C 4T @ 2.83 GHz
959 (100%)
Intel Core 2 Quad Q9450 Intel Core 2 Quad Q9450
4C 4T @ 2.66 GHz
0 (0%)

Devices using this processor

Intel Core 2 Quad Q9550 Intel Core 2 Quad Q9450
Unknown Unknown

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