Intel Core 2 Quad Q9400 Benchmark, Test and specs

Last updated: 2024-04-15

The Intel Core 2 Quad Q9400 has 4 cores with 4 threads and is based on the 2. gen of the Intel Core2 Quad series. The processor uses a mainboard with the LGA 775 socket and was released in Q3/2008. The Intel Core 2 Quad Q9400 scores 378 points in the Geekbench 5 single-core benchmark. In the Geekbench 5 multi-core benchmark, the result is 1,163 points.

CPU lineage
The segment in which we have classified the Intel Core 2 Quad Q9400. Here you can see if it is a desktop processor or a mobile processor or which processor may be the successor of the Intel Core 2 Quad Q9400.
Name:	Intel Core 2 Quad Q9400
Family:	Intel Core2 Quad (19)
CPU group:	Intel Core 2 Quad Q8000/Q9000 (16)
Architecture:	Yorkfield (Penryn)
Segment:	Desktop / Server
Generation:	2
Predecessor:	--
Successor:	--

CPU Cores and Base Frequency

The Intel Core 2 Quad Q9400 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core 2 Quad Q9400 is 2.66 GHz. The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.

CPU Cores / Threads:	4 / 4
Core architecture:	normal
Cores:	4x

Hyperthreading / SMT:	No
Overclocking:	No
Frequency:	2.66 GHz
Turbo Frequency (1 Core):	--
Turbo Frequency (4 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.

AI hardware:	--
AI specifications:	--

Internal Graphics

The Intel Core 2 Quad Q9400 has integrated graphics, called iGPU for short. Specifically, the Intel Core 2 Quad Q9400 uses the no iGPU, which has -- texture shaders and -- execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

GPU name:	no iGPU
GPU frequency:
GPU (Turbo):	No turbo
Compute units:	--
Shader:	--
Hardware Raytracing:	No
Release date:

Max. displays:
Generation:	--
Direct X:	--
Technology:
Max. GPU Memory:	--
Frame Generation:	No

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.

h265 / HEVC (8 bit):	No
h265 / HEVC (10 bit):	No
h264:	No
VP8:	No
VP9:	No

AV1:	No
AVC:	No
VC-1:	No
JPEG:	No

Memory type:	Memory bandwidth:
Memory & PCIe The processor can use up to 16 GB memory in 2 (Dual Channel) memory channels. The maximum memory bandwidth is 17.1 GB/s. The memory type as well as the amount of memory can greatly affect the speed of the system.

DDR3-1066 DDR2-800	17.1 GB/s 12.8 GB/s
Max. Memory:	16 GB
Memory channels:	2 (Dual Channel)
ECC:	No
PCIe:
PCIe Bandwidth:	--

Thermal Management The thermal design power (TDP for short) of the processor is 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. The TDP usually gives a rough idea of the actual power consumption of the CPU.

TDP (PL1 / PBP):	95 W
TDP (PL2):	--
TDP up:	--
TDP down:	--
Tjunction max.:	--

Technical details

The Intel Core 2 Quad Q9400 is made in 45 nm. The smaller the manufacturing process of a CPU, the more modern and energy-efficient it is. Overall, the processor has 6.00 MB cache. A large cache can greatly speed up the processor's speed in some cases such as games.

Technology:	45 nm
Chip design:	Monolithic
Socket:	LGA 775
L2-Cache:	6.00 MB
L3-Cache:	--
AES-NI:	No
Operating systems:	Windows 10, Linux

Virtualization:	VT-x, VT-d
Instruction set (ISA):	x86-64 (64 bit)
ISA extensions:	MMX, SSE2, SSE3, SSE4.1
Release date:	Q3/2008
Release price:	--
Part Number:	--
Documents:	--

Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz

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Benchmark results

The benchmark results for the Intel Core 2 Quad Q9400 have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.

Screenshots:

Geekbench 5.4.4 on Dell OptiPlex 780 (6 GB DDR3-1066), Windows 10 Home

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 Celeron 1005M 2C 2T @ 1.90 GHz	380
	AMD A4-4020 2C 2T @ 3.40 GHz	379
	AMD Phenom II X3 720 3C 3T @ 2.80 GHz	379
	Intel Core 2 Quad Q9400 4C 4T @ 2.66 GHz	378
	Intel Celeron 1037U 2C 2T @ 1.80 GHz	376
	AMD Athlon II X3 440 3C 3T @ 3.00 GHz	374
	AMD Athlon II X4 638 4C 4T @ 2.70 GHz	374

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.


	MediaTek Helio X27 10C 10T @ 2.60 GHz	1165
	Intel Pentium N4200 4C 4T @ 2.50 GHz	1164
	Samsung Exynos 9610 8C 8T @ 2.30 GHz	1164
	Intel Core 2 Quad Q9400 4C 4T @ 2.66 GHz	1163
	Qualcomm Snapdragon 625 8C 8T @ 2.00 GHz	1163
	Intel Core M-5Y31 2C 4T @ 1.80 GHz	1162
	AMD Athlon II X4 615e 4C 4T @ 2.50 GHz	1161

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 i5-2450M 2C 4T @ 2.50 GHz	2064
	Intel Celeron 6305 2C 2T @ 1.80 GHz	2062
	Intel Pentium G3258 2C 2T @ 3.20 GHz	2062
	Intel Core 2 Quad Q9400 4C 4T @ 2.66 GHz	2061
	Intel Core i5-2435M 2C 4T @ 2.40 GHz	2060
	Intel Core i5-2430M 2C 4T @ 2.40 GHz	2060
	AMD Phenom II X2 B57 2C 2T @ 3.20 GHz	2060

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 i7-920 4C 8T @ 2.66 GHz	242
	AMD FX-8350 8C 8T @ 4.10 GHz	241
	Intel Core i5-2450M 2C 4T @ 2.50 GHz	236
	Intel Core 2 Quad Q9400 4C 4T @ 2.66 GHz	230
	AMD FX-4300 4C 4T @ 3.80 GHz	224
	AMD FX-8320 8C 8T @ 3.75 GHz	223
	AMD FX-6300 6C 6T @ 4.10 GHz	221

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 i7-6600U 2C 4T @ 2.60 GHz	898
	AMD Phenom II X6 1090T 6C 6T @ 3.20 GHz	895
	Intel Core 2 Quad Q8400 4C 4T @ 2.66 GHz	894
	Intel Core 2 Quad Q9400 4C 4T @ 2.66 GHz	891
	Intel Core i5-4200H 2C 4T @ 2.80 GHz	875
	Intel Core i5-7200U 2C 4T @ 2.50 GHz	865
	Intel Core i7-5500U 2C 4T @ 2.40 GHz	860

Benchmarks

Geekbench 5 (SC)
2,488 entries

Geekbench 5 (MC)
2,461 entries

PassMark CPU-Mark
2,392 entries

CPU-Z Benchmark 17 (SC)
231 entries

CPU-Z Benchmark 17 (MC)
733 entries

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