AMD EPYC 7453 vs AMD EPYC 7443
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CPU comparison with benchmarks
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| AMD EPYC 7453 | AMD EPYC 7443 | |
CPU comparisonAMD EPYC 7453 or AMD EPYC 7443 - 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 7453 has 28 cores with 56 threads and clocks with a maximum frequency of 3.45 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7453 was released in Q1/2021. The AMD EPYC 7443 has 24 cores with 48 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7443 was released in Q1/2021. |
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| AMD EPYC (129) | Family | AMD EPYC (129) |
| AMD EPYC 7003 (29) | CPU group | AMD EPYC 7003 (29) |
| 3 | Generation | 3 |
| Milan (Zen 3) | Architecture | Milan (Zen 3) |
| Desktop / Server | Segment | Desktop / Server |
| AMD EPYC 7452 | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7453 has 28 CPU cores and can calculate 56 threads in parallel. The clock frequency of the AMD EPYC 7453 is 2.75 GHz (3.45 GHz) while the AMD EPYC 7443 has 24 CPU cores and 48 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7443 is at 2.85 GHz (4.00 GHz). |
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| AMD EPYC 7453 | Characteristic | AMD EPYC 7443 |
| 28 | Cores | 24 |
| 56 | Threads | 48 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.75 GHz | Frequency | 2.85 GHz |
| 3.45 GHz | Turbo Frequency (1 Core) | 4.00 GHz |
| 3.25 GHz | Turbo Frequency (All Cores) | 3.60 GHz |
Memory & PCIeThe AMD EPYC 7453 can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The AMD EPYC 7443 supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s. |
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| AMD EPYC 7453 | Characteristic | AMD EPYC 7443 |
| DDR4-3200 | Memory | DDR4-3200 |
| 4096 GB | Max. Memory | 4096 GB |
| 8 (Octa Channel) | Memory channels | 8 (Octa Channel) |
| 204.8 GB/s | Max. Bandwidth | 204.8 GB/s |
| Yes | ECC | Yes |
| -- | L2 Cache | -- |
| 64.00 MB | L3 Cache | 128.00 MB |
| 4.0 | PCIe version | 4.0 |
| 128 | PCIe lanes | 128 |
| 252.0 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7453 is 225 W, while the AMD EPYC 7443 has a TDP of 200 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7453 | Characteristic | AMD EPYC 7443 |
| 225 W | TDP (PL1 / PBP) | 200 W |
| -- | TDP (PL2) | -- |
| 240 W | TDP up | -- |
| -- | TDP down | 165 W |
| -- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7453 is manufactured in 7 nm and has 64.00 MB cache. The AMD EPYC 7443 is manufactured in 7 nm and has a 128.00 MB cache. |
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| AMD EPYC 7453 | Characteristic | AMD EPYC 7443 |
| 7 nm | Technology | 7 nm |
| Chiplet | Chip design | Chiplet |
| 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, AVX2, FMA3 |
| SP3 | Socket | SP3 |
| AMD-V, SVM | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Linux |
| Q1/2021 | Release date | Q1/2021 |
| 1570 $ | Release price | 2010 $ |
| show more data | show more data | |
28C 56T @ 2.75 GHz (3.45 GHz) buy now on Amazon and save!
24C 48T @ 2.85 GHz (4.00 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 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 EPYC 7453
28C 56T @ 3.45 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 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 7453
28C 56T @ 3.25 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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AMD EPYC 7453
28C 56T @ 3.45 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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AMD EPYC 7453
28C 56T @ 3.25 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 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 EPYC 7453
28C 56T @ 3.25 GHz |
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AMD EPYC 7443
24C 48T @ 3.60 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 EPYC 7453
28C 56T @ 3.45 GHz |
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AMD EPYC 7443
24C 48T @ 4.00 GHz |
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Devices using this processor |
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| AMD EPYC 7453 | AMD EPYC 7443 |
| Unknown | Unknown |
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