AMD A10-6790K vs Intel Core 2 Quad Q9400

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CPU comparison with benchmarks


AMD A10-6790K CPU1 vs CPU2 Intel Core 2 Quad Q9400
AMD A10-6790K Intel Core 2 Quad Q9400

CPU comparison

In this CPU comparison, we compare the AMD A10-6790K and the Intel Core 2 Quad Q9400 and use benchmarks to check which processor is faster.

We compare the AMD A10-6790K 4 core processor released in Q4/2013 with the Intel Core 2 Quad Q9400 which has 4 CPU cores and was introduced in Q3/2008.
AMD A (112) Family Intel Core2 Quad (19)
AMD A10-6000 (4) CPU group Intel Core 2 Quad Q8000/Q9000 (16)
3 Generation 2
Richland (Piledriver) Architecture Yorkfield (Penryn)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD A10-6790K is a 4 core processor with a clock frequency of 4.10 GHz (4.30 GHz). The processor can compute 4 threads at the same time. The Intel Core 2 Quad Q9400 clocks with 2.66 GHz, has 4 CPU cores and can calculate 4 threads in parallel.

AMD A10-6790K Characteristic Intel Core 2 Quad Q9400
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
4.10 GHz Frequency 2.66 GHz
4.30 GHz Turbo Frequency (1 Core) --
4.30 GHz 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.

AMD A10-6790K Characteristic Intel Core 2 Quad Q9400
-- 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.

AMD Radeon HD 8670D GPU no iGPU
0.84 GHz GPU frequency --
-- GPU (Turbo) --
5 GPU Generation --
32 nm Technology
2 Max. displays
6 Compute units --
384 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 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.

AMD Radeon HD 8670D GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD A10-6790K, while the Intel Core 2 Quad Q9400 supports a maximum of 16 GB of memory with a maximum memory bandwidth of 17.1 GB/s enabled.

AMD A10-6790K Characteristic Intel Core 2 Quad Q9400
DDR3-1866 Memory DDR3-1066, DDR2-800
Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
29.9 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
-- L2 Cache 6.00 MB
4.00 MB L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The AMD A10-6790K has a TDP of 100 W. The TDP of the Intel Core 2 Quad Q9400 is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD A10-6790K Characteristic Intel Core 2 Quad Q9400
100 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD A10-6790K has 4.00 MB cache and is manufactured in 32 nm. The cache of Intel Core 2 Quad Q9400 is at 6.00 MB. The processor is manufactured in 45 nm.

AMD A10-6790K Characteristic Intel Core 2 Quad Q9400
32 nm Technology 45 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 ISA extensions MMX, SSE2, SSE3, SSE4.1
FM2 Socket LGA 775
AMD-V Virtualization VT-x, VT-d
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q4/2013 Release date Q3/2008
110 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD A10-6790K (100%)
Intel Core 2 Quad Q9400 (72%)
⌀ Multi core performance in 2 CPU benchmarks
AMD A10-6790K (100%)
Intel Core 2 Quad Q9400 (63%)

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.
AMD A10-6790K AMD A10-6790K
4C 4T @ 4.30 GHz
522 (100%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
378 (72%)

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.
AMD A10-6790K AMD A10-6790K
4C 4T @ 4.30 GHz
1419 (100%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
1163 (82%)

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.
AMD A10-6790K AMD A10-6790K
4C 4T @ 4.30 GHz
4724 (100%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
2061 (44%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD A10-6790K AMD A10-6790K
AMD Radeon HD 8670D @ 0.84 GHz
648 (100%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
@ 0.00 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.
AMD A10-6790K AMD A10-6790K
4C 4T @ 4.30 GHz
0 (0%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
230 (100%)

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.
AMD A10-6790K AMD A10-6790K
4C 4T @ 4.10 GHz
0 (0%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
891 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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.
AMD A10-6790K AMD A10-6790K
4C 4T @ 4.30 GHz
69 (100%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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.
AMD A10-6790K AMD A10-6790K
4C 4T @ 4.30 GHz
260 (100%)
Intel Core 2 Quad Q9400 Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz
0 (0%)

Devices using this processor

AMD A10-6790K Intel Core 2 Quad Q9400
Unknown Unknown

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