AMD EPYC 7573X vs AMD RX-421BD
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CPU comparison with benchmarks
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| AMD EPYC 7573X | AMD RX-421BD | |
CPU comparisonAMD EPYC 7573X or AMD RX-421BD - 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 7573X has 32 cores with 64 threads and clocks with a maximum frequency of 3.60 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7573X was released in Q2/2022. The AMD RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421BD was released in Q4/2015. |
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| AMD EPYC (129) | Family | AMD R (6) |
| AMD EPYC 7003 (29) | CPU group | AMD RX 1st Gen. (6) |
| 3 | Generation | 1 |
| Milan (Zen 3) | Architecture | Merlin Falcon (Excavator) |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7573X has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the AMD EPYC 7573X is 2.80 GHz (3.60 GHz) while the AMD RX-421BD has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD RX-421BD is at 2.10 GHz (3.40 GHz). |
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| AMD EPYC 7573X | Characteristic | AMD RX-421BD |
| 32 | Cores | 4 |
| 64 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.80 GHz | Frequency | 2.10 GHz |
| 3.60 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
| -- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The AMD EPYC 7573X or AMD RX-421BD 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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| no iGPU | GPU | AMD Radeon R7 - 512 (Merlin Falcon) |
| GPU frequency | 0.80 GHz | |
| -- | GPU (Turbo) | -- |
| -- | GPU Generation | 3 |
| Technology | 28 | |
| Max. displays | 3 | |
| -- | Compute units | 8 |
| -- | Shader | 512 |
| 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 R7 - 512 (Merlin Falcon) |
| No | Codec h265 / HEVC (8 bit) | Decode |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| No | Codec VC-1 | No |
| No | Codec JPEG | Decode |
Memory & PCIeThe AMD EPYC 7573X can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The AMD RX-421BD supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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| AMD EPYC 7573X | Characteristic | AMD RX-421BD |
| DDR4-3200 | Memory | DDR4-2400, DDR3-2133 |
| 4096 GB | Max. Memory | |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 204.8 GB/s | Max. Bandwidth | 38.4 GB/s |
| Yes | ECC | Yes |
| 32.00 MB | L2 Cache | 2.00 MB |
| 768.00 MB | L3 Cache | -- |
| 4.0 | PCIe version | 3.0 |
| 128 | PCIe lanes | 12 |
| 252.0 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7573X is 280 W, while the AMD RX-421BD has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7573X | Characteristic | AMD RX-421BD |
| 280 W | TDP (PL1 / PBP) | 35 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| 225 W | TDP down | 12 W |
| -- | Tjunction max. | 90 °C |
Technical detailsThe AMD EPYC 7573X is manufactured in 7 nm and has 800.00 MB cache. The AMD RX-421BD is manufactured in 28 nm and has a 2.00 MB cache. |
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| AMD EPYC 7573X | Characteristic | AMD RX-421BD |
| 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, AMD-Vt |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | |
| Q2/2022 | Release date | Q4/2015 |
| 5590 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
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 EPYC 7573X
32C 64T @ 3.60 GHz |
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AMD RX-421BD
4C 4T @ 3.40 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 EPYC 7573X
32C 64T @ 2.80 GHz |
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AMD RX-421BD
4C 4T @ 2.10 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 EPYC 7573X
@ 0.00 GHz |
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AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz |
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Devices using this processor |
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| AMD EPYC 7573X | AMD RX-421BD |
| Unknown | Unknown |
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