Intel Core 2 Quad Q9500 vs Intel Core 2 Quad Q8400

Last updated:

CPU comparison with benchmarks


Intel Core 2 Quad Q9500 CPU1 vs CPU2 Intel Core 2 Quad Q8400
Intel Core 2 Quad Q9500 Intel Core 2 Quad Q8400

CPU comparison

In this CPU comparison, we compare the Intel Core 2 Quad Q9500 and the Intel Core 2 Quad Q8400 and use benchmarks to check which processor is faster.

We compare the Intel Core 2 Quad Q9500 4 core processor released in Q1/2010 with the Intel Core 2 Quad Q8400 which has 4 CPU cores and was introduced in Q2/2009.
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 Q9500 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 Q8400 clocks with 2.66 GHz, has 4 CPU cores and can calculate 4 threads in parallel.

Intel Core 2 Quad Q9500 Characteristic Intel Core 2 Quad Q8400
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) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core 2 Quad Q9500 Characteristic Intel Core 2 Quad Q8400
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 Q9500, while the Intel Core 2 Quad Q8400 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 17.1 GB/s enabled.

Intel Core 2 Quad Q9500 Characteristic Intel Core 2 Quad Q8400
DDR3-1066, DDR2-800 Memory DDR3-1066, DDR2-800
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
6.00 MB L2 Cache 4.00 MB
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Intel Core 2 Quad Q9500 has a TDP of 95 W. The TDP of the Intel Core 2 Quad Q8400 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core 2 Quad Q9500 Characteristic Intel Core 2 Quad Q8400
95 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core 2 Quad Q9500 has 6.00 MB cache and is manufactured in 45 nm. The cache of Intel Core 2 Quad Q8400 is at 4.00 MB. The processor is manufactured in 45 nm.

Intel Core 2 Quad Q9500 Characteristic Intel Core 2 Quad Q8400
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
Q1/2010 Release date Q2/2009
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core 2 Quad Q9500 to help other visitors make their purchasing decisions. The average rating is 4.5 stars (2 ratings). Rate now:
Here you can rate the Intel Core 2 Quad Q8400 to help other visitors make their purchasing decisions. The average rating is 4.3 stars (4 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core 2 Quad Q9500 (100%)
Intel Core 2 Quad Q8400 (79%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core 2 Quad Q9500 (100%)
Intel Core 2 Quad Q8400 (87%)

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 Q9500 Intel Core 2 Quad Q9500
4C 4T @ 2.83 GHz
469 (100%)
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
369 (79%)

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 Q9500 Intel Core 2 Quad Q9500
4C 4T @ 2.83 GHz
1534 (100%)
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
1155 (75%)

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 Q9500 Intel Core 2 Quad Q9500
4C 4T @ 2.83 GHz
2188 (100%)
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
2029 (93%)

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 Q9500 Intel Core 2 Quad Q9500
4C 4T @ 2.83 GHz
953 (100%)
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
894 (94%)

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 Q9500 Intel Core 2 Quad Q9500
4C 4T @ 2.83 GHz
427 (100%)
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
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 Q9500 Intel Core 2 Quad Q9500
4C 4T @ 2.83 GHz
1616 (100%)
Intel Core 2 Quad Q8400 Intel Core 2 Quad Q8400
4C 4T @ 2.66 GHz
0 (0%)

Devices using this processor

Intel Core 2 Quad Q9500 Intel Core 2 Quad Q8400
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Core 2 Quad Q9550Intel Core 2 Quad Q9500 Intel Core 2 Quad Q9550 vs Intel Core 2 Quad Q9500
2. Intel Core2 Duo E8400Intel Core 2 Quad Q8400 Intel Core2 Duo E8400 vs Intel Core 2 Quad Q8400
3. Intel Core 2 Quad Q6600Intel Core 2 Quad Q8400 Intel Core 2 Quad Q6600 vs Intel Core 2 Quad Q8400
4. Intel Core 2 Quad Q8400Intel Core 2 Quad Q9400 Intel Core 2 Quad Q8400 vs Intel Core 2 Quad Q9400
5. Intel Core 2 Quad Q9400Intel Core 2 Quad Q9500 Intel Core 2 Quad Q9400 vs Intel Core 2 Quad Q9500
6. Intel Core 2 Quad Q9500Intel Core 2 Quad Q6600 Intel Core 2 Quad Q9500 vs Intel Core 2 Quad Q6600
7. Intel Core 2 Quad Q9500Intel Core 2 Quad Q8400 Intel Core 2 Quad Q9500 vs Intel Core 2 Quad Q8400
8. Intel Pentium E5700Intel Core 2 Quad Q8400 Intel Pentium E5700 vs Intel Core 2 Quad Q8400
9. Intel Core2 Duo E8500Intel Core 2 Quad Q8400 Intel Core2 Duo E8500 vs Intel Core 2 Quad Q8400
10. Intel Core 2 Quad Q8400AMD Athlon II X4 640 Intel Core 2 Quad Q8400 vs AMD Athlon II X4 640


back to index