AMD A6-6400K | Intel Core 2 Quad Q8400s | |
CPU comparisonAMD A6-6400K or Intel Core 2 Quad Q8400s - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The AMD A6-6400K has 2 cores with 2 threads and clocks with a maximum frequency of 4.10 GHz. Up to GB of memory is supported in 2 memory channels. The AMD A6-6400K was released in Q2/2013. The Intel Core 2 Quad Q8400s has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core 2 Quad Q8400s was released in Q2/2009. |
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AMD A (112) | Family | Intel Core2 Quad (19) |
AMD A6-6000 (3) | CPU group | Intel Core 2 Quad Q8000/Q9000 (16) |
3 | Generation | 2 |
Richland (Piledriver) | Architecture | Yorkfield (Penryn) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A6-6400K has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD A6-6400K is 3.90 GHz (4.10 GHz) while the Intel Core 2 Quad Q8400s has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core 2 Quad Q8400s is at 2.66 GHz. |
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AMD A6-6400K | Characteristic | Intel Core 2 Quad Q8400s |
2 | Cores | 4 |
2 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
3.90 GHz | Frequency | 2.66 GHz |
4.10 GHz | Turbo Frequency (1 Core) | -- |
4.10 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The AMD A6-6400K or Intel Core 2 Quad Q8400s has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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AMD Radeon HD 8470D | GPU | no iGPU |
0.80 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
5 | GPU Generation | -- |
32 nm | Technology | |
2 | Max. displays | |
3 | Compute units | -- |
192 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | -- |
11.2 | DirectX Version | -- |
Hardware codec supportA 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. |
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AMD Radeon HD 8470D | 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 & PCIeThe AMD A6-6400K can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 29.9 GB/s. The Intel Core 2 Quad Q8400s supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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AMD A6-6400K | Characteristic | Intel Core 2 Quad Q8400s |
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 | 4.00 MB |
1.00 MB | L3 Cache | -- |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD A6-6400K is 65 W, while the Intel Core 2 Quad Q8400s has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD A6-6400K | Characteristic | Intel Core 2 Quad Q8400s |
65 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD A6-6400K is manufactured in 32 nm and has 1.00 MB cache. The Intel Core 2 Quad Q8400s is manufactured in 45 nm and has a 4.00 MB cache. |
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AMD A6-6400K | Characteristic | Intel Core 2 Quad Q8400s |
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 |
Q2/2013 | Release date | Q2/2009 |
55 $ | Release price | -- |
show more data | show more data | |
AMD A6-6400K
2C 2T @ 4.10 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
AMD A6-6400K
2C 2T @ 4.10 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
AMD A6-6400K
2C 2T @ 4.10 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
AMD A6-6400K
AMD Radeon HD 8470D @ 0.80 GHz |
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Intel Core 2 Quad Q8400s
@ 0.00 GHz |
AMD A6-6400K
2C 2T @ 4.10 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
AMD A6-6400K
2C 2T @ 3.90 GHz |
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Intel Core 2 Quad Q8400s
4C 4T @ 2.66 GHz |
Devices using this processor |
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AMD A6-6400K | Intel Core 2 Quad Q8400s |
Unknown | Unknown |