AMD EPYC 7552 | AMD A9-9420 | |
CPU comparisonAMD EPYC 7552 or AMD A9-9420 - 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 EPYC 7552 has 48 cores with 96 threads and clocks with a maximum frequency of 3.30 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7552 was released in Q3/2019. The AMD A9-9420 has 2 cores with 2 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The AMD A9-9420 was released in Q2/2017. |
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AMD EPYC (129) | Family | AMD A (112) |
AMD EPYC 7002 (24) | CPU group | AMD A9-9000 (4) |
2 | Generation | 4 |
Rome (Zen 2) | Architecture | Stoney Ridge (Excavator) |
Desktop / Server | Segment | Mobile |
AMD EPYC 7551 | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7552 is a 48 core processor with a clock frequency of 2.20 GHz (3.30 GHz). The AMD A9-9420 has 2 CPU cores with a clock frequency of 3.00 GHz (3.60 GHz). |
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AMD EPYC 7552 | Characteristic | AMD A9-9420 |
48 | Cores | 2 |
96 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
2.20 GHz | Frequency | 3.00 GHz |
3.30 GHz | Turbo Frequency (1 Core) | 3.60 GHz |
2.50 GHz | Turbo Frequency (All Cores) | 3.00 GHz |
Internal GraphicsThe integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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no iGPU | GPU | AMD Radeon R5 (Stoney Ridge) |
GPU frequency | 0.85 GHz | |
-- | GPU (Turbo) | -- |
-- | GPU Generation | 7 |
Technology | 28 nm | |
Max. displays | 3 | |
-- | Compute units | 3 |
-- | Shader | 192 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
-- | 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. |
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no iGPU | GPU | AMD Radeon R5 (Stoney Ridge) |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
No | Codec h264 | Decode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7552 supports a maximum of GB of memory in 8 memory channels. The AMD A9-9420 can connect up to 8 GB of memory in 1 memory channels. |
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AMD EPYC 7552 | Characteristic | AMD A9-9420 |
DDR4-3200 | Memory | DDR4-2133 |
Max. Memory | 8 GB | |
8 (Octa Channel) | Memory channels | 1 (Single Channel) |
51.2 GB/s | Max. Bandwidth | 17.1 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
192.00 MB | L3 Cache | 2.00 MB |
4.0 | PCIe version | 3.0 |
128 | PCIe lanes | 8 |
252.0 GB/s | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC 7552 has a TDP of 200 W, that of the AMD A9-9420 is 15 W. |
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AMD EPYC 7552 | Characteristic | AMD A9-9420 |
200 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | 25 W |
-- | TDP down | 10 W |
-- | Tjunction max. | 90 °C |
Technical detailsThe AMD EPYC 7552 has a 192.00 MB cache, while the AMD A9-9420 cache has a total of 2.00 MB. |
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AMD EPYC 7552 | Characteristic | AMD A9-9420 |
7 nm | Technology | 28 nm |
Chiplet | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
SP3 | Socket | FP4 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | |
Q3/2019 | Release date | Q2/2017 |
7000 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7552
48C 96T @ 3.30 GHz |
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AMD A9-9420
2C 2T @ 3.60 GHz |
AMD EPYC 7552
48C 96T @ 2.50 GHz |
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AMD A9-9420
2C 2T @ 3.00 GHz |
AMD EPYC 7552
48C 96T @ 3.30 GHz |
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AMD A9-9420
2C 2T @ 3.60 GHz |
AMD EPYC 7552
@ 0.00 GHz |
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AMD A9-9420
AMD Radeon R5 (Stoney Ridge) @ 0.85 GHz |
AMD EPYC 7552
48C 96T @ 2.50 GHz |
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AMD A9-9420
2C 2T @ 3.00 GHz |
AMD EPYC 7552
48C 96T @ 2.20 GHz |
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AMD A9-9420
2C 2T @ 3.00 GHz |
AMD EPYC 7552
48C 96T @ 3.30 GHz |
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AMD A9-9420
2C 2T @ 3.60 GHz |
AMD EPYC 7552
48C 96T @ 2.50 GHz |
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AMD A9-9420
2C 2T @ 3.00 GHz |
Devices using this processor |
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AMD EPYC 7552 | AMD A9-9420 |
Unknown | Unknown |