AMD A6-3400M vs AMD EPYC 7663
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CPU comparison with benchmarks
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| AMD A6-3400M | AMD EPYC 7663 | |
CPU comparisonIn this CPU comparison, we compare the AMD A6-3400M and the AMD EPYC 7663 and use benchmarks to check which processor is faster.
We compare the AMD A6-3400M 4 core processor released in Q2/2011 with the AMD EPYC 7663 which has 56 CPU cores and was introduced in Q1/2021. |
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| AMD A (112) | Family | AMD EPYC (129) |
| AMD A6-3000M (9) | CPU group | AMD EPYC 7003 (29) |
| 1 | Generation | 3 |
| Llano (K10) | Architecture | Milan (Zen 3) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A6-3400M is a 4 core processor with a clock frequency of 1.40 GHz (2.30 GHz). The processor can compute 4 threads at the same time. The AMD EPYC 7663 clocks with 2.00 GHz (3.50 GHz), has 56 CPU cores and can calculate 112 threads in parallel. |
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| AMD A6-3400M | Characteristic | AMD EPYC 7663 |
| 4 | Cores | 56 |
| 4 | Threads | 112 |
| normal | Core architecture | normal |
| No | Hyperthreading | Yes |
| Yes | Overclocking ? | No |
| 1.40 GHz | Frequency | 2.00 GHz |
| 2.30 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
| 2.30 GHz | Turbo Frequency (All Cores) | 3.00 GHz |
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. |
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| AMD Radeon HD 6520G | GPU | no iGPU |
| 0.40 GHz | GPU frequency | -- |
| -- | GPU (Turbo) | -- |
| 3 | GPU Generation | -- |
| 32 nm | Technology | |
| 2 | Max. displays | |
| 5 | Compute units | -- |
| 320 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 1 GB | Max. GPU Memory | -- |
| 11 | 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 6520G | 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 & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD A6-3400M, while the AMD EPYC 7663 supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 204.8 GB/s enabled. |
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| AMD A6-3400M | Characteristic | AMD EPYC 7663 |
| DDR3-1333 | Memory | DDR4-3200 |
| Max. Memory | 4096 GB | |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 21.3 GB/s | Max. Bandwidth | 204.8 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 4.00 MB | L3 Cache | 256.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 128 |
| -- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe AMD A6-3400M has a TDP of 35 W. The TDP of the AMD EPYC 7663 is 240 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| AMD A6-3400M | Characteristic | AMD EPYC 7663 |
| 35 W | TDP (PL1 / PBP) | 240 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | 225 W |
| -- | Tjunction max. | -- |
Technical detailsThe AMD A6-3400M has 4.00 MB cache and is manufactured in 32 nm. The cache of AMD EPYC 7663 is at 256.00 MB. The processor is manufactured in 7 nm. |
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| AMD A6-3400M | Characteristic | AMD EPYC 7663 |
| 32 nm | Technology | 7 nm |
| Unknown | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3, SSE4a | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| FS1 | Socket | SP3 |
| AMD-V | Virtualization | AMD-V, SVM |
| No | AES-NI | Yes |
| Operating systems | Windows 10, Linux | |
| Q2/2011 | Release date | Q1/2021 |
| -- | Release price | 6366 $ |
| show more data | show more data | |
4C 4T @ 1.40 GHz (2.30 GHz) buy now on Amazon and save!
56C 112T @ 2.00 GHz (3.50 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 0 CPU benchmarks
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.
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AMD A6-3400M
4C 4T @ 2.30 GHz |
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AMD EPYC 7663
56C 112T @ 3.50 GHz |
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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.
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AMD A6-3400M
4C 4T @ 2.30 GHz |
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AMD EPYC 7663
56C 112T @ 3.50 GHz |
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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.
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AMD A6-3400M
4C 4T @ 2.30 GHz |
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AMD EPYC 7663
56C 112T @ 3.00 GHz |
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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.
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AMD A6-3400M
AMD Radeon HD 6520G @ 0.40 GHz |
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AMD EPYC 7663
@ 0.00 GHz |
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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.
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AMD A6-3400M
4C 4T @ 2.30 GHz |
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AMD EPYC 7663
56C 112T @ 3.00 GHz |
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Devices using this processor |
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| AMD A6-3400M | AMD EPYC 7663 |
| Unknown | Unknown |
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