AMD A6-6400K | AMD Ryzen 5 7640H | |
CPU comparisonAMD A6-6400K or AMD Ryzen 5 7640H - 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 AMD Ryzen 5 7640H has 6 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen 5 7640H was released in Q1/2023. |
||
AMD A (112) | Family | AMD Ryzen 5 (85) |
AMD A6-6000 (3) | CPU group | AMD Ryzen 7040 (21) |
3 | Generation | 6 |
Richland (Piledriver) | Architecture | Phoenix (Zen 4) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
|
||
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 AMD Ryzen 5 7640H has 6 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 5 7640H is at 4.30 GHz (5.00 GHz). |
||
AMD A6-6400K | Characteristic | AMD Ryzen 5 7640H |
2 | Cores | 6 |
2 | Threads | 12 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.90 GHz | Frequency | 4.30 GHz |
4.10 GHz | Turbo Frequency (1 Core) | 5.00 GHz |
4.10 GHz | Turbo Frequency (All Cores) | -- |
Artificial Intelligence and Machine LearningProcessors 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. |
||
AMD A6-6400K | Characteristic | AMD Ryzen 5 7640H |
-- | AI hardware | AMD Ryzen AI |
-- | AI specifications | AMD dedicated AI XDNA Technology |
Internal GraphicsThe AMD A6-6400K or AMD Ryzen 5 7640H 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. |
||
AMD Radeon HD 8470D | GPU | AMD Radeon 760M |
0.80 GHz | GPU frequency | 0.80 GHz |
-- | GPU (Turbo) | 2.60 GHz |
5 | GPU Generation | 10 |
32 nm | Technology | 4 nm |
2 | Max. displays | 4 |
3 | Compute units | 8 |
192 | Shader | 512 |
No | Hardware Raytracing | Yes |
No | Frame Generation | AMD FSR |
2 GB | Max. GPU Memory | 32 GB |
11.2 | DirectX Version | 12 |
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. |
||
AMD Radeon HD 8470D | GPU | AMD Radeon 760M |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | Decode / Encode |
Decode | Codec AVC | Decode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
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 AMD Ryzen 5 7640H supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
||
AMD A6-6400K | Characteristic | AMD Ryzen 5 7640H |
DDR3-1866 | Memory | DDR5-5600, LPDDR5-6400, LPDDR5X-7500 |
Max. Memory | 256 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
29.9 GB/s | Max. Bandwidth | 120.0 GB/s |
No | ECC | Yes |
-- | L2 Cache | 6.00 MB |
1.00 MB | L3 Cache | 16.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 20 |
-- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD A6-6400K is 65 W, while the AMD Ryzen 5 7640H has a TDP of 54 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
||
AMD A6-6400K | Characteristic | AMD Ryzen 5 7640H |
65 W | TDP (PL1 / PBP) | 54 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 35 W |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD A6-6400K is manufactured in 32 nm and has 1.00 MB cache. The AMD Ryzen 5 7640H is manufactured in 4 nm and has a 22.00 MB cache. |
||
AMD A6-6400K | Characteristic | AMD Ryzen 5 7640H |
32 nm | Technology | 4 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 | SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 |
FM2 | Socket | FP7r2 |
AMD-V | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q2/2013 | Release date | Q1/2023 |
55 $ | Release price | -- |
show more data | show more data | |
AMD A6-6400K
AMD Radeon HD 8470D @ 0.80 GHz |
|||
AMD Ryzen 5 7640H
AMD Radeon 760M @ 2.60 GHz |
AMD A6-6400K
2C 2T @ 4.10 GHz |
|||
AMD Ryzen 5 7640H
6C 12T @ 5.00 GHz |
AMD A6-6400K
2C 2T @ 4.10 GHz |
|||
AMD Ryzen 5 7640H
6C 12T @ 4.30 GHz |
AMD A6-6400K
2C 2T @ 4.10 GHz |
|||
AMD Ryzen 5 7640H
6C 12T @ 4.30 GHz |
AMD A6-6400K
2C 2T @ 4.10 GHz |
|||
AMD Ryzen 5 7640H
6C 12T @ 4.30 GHz |
AMD A6-6400K
2C 2T @ 3.90 GHz |
|||
AMD Ryzen 5 7640H
6C 12T @ 4.30 GHz |
AMD A6-6400K
2C 2T @ 3.90 GHz |
|||
AMD Ryzen 5 7640H
6C 12T @ 4.30 GHz |
Devices using this processor |
|
AMD A6-6400K | AMD Ryzen 5 7640H |
Unknown | Unknown |