AMD EPYC 7543P | AMD Phenom II X4 840 | |
CPU comparisonAMD EPYC 7543P or AMD Phenom II X4 840 - 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 7543P has 32 cores with 64 threads and clocks with a maximum frequency of 3.70 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7543P was released in Q1/2021. The AMD Phenom II X4 840 has 4 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD Phenom II X4 840 was released in Q1/2011. |
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AMD EPYC (129) | Family | AMD Phenom II (52) |
AMD EPYC 7003 (29) | CPU group | AMD Phenom II - 840/850 (2) |
3 | Generation | 5 |
Milan (Zen 3) | Architecture | Propus |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7543P is a 32 core processor with a clock frequency of 2.80 GHz (3.70 GHz). The AMD Phenom II X4 840 has 4 CPU cores with a clock frequency of 3.20 GHz. |
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AMD EPYC 7543P | Characteristic | AMD Phenom II X4 840 |
32 | Cores | 4 |
64 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
2.80 GHz | Frequency | 3.20 GHz |
3.70 GHz | Turbo Frequency (1 Core) | -- |
3.30 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe AMD EPYC 7543P supports a maximum of 4096 GB of memory in 8 memory channels. The AMD Phenom II X4 840 can connect up to GB of memory in 2 memory channels. |
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AMD EPYC 7543P | Characteristic | AMD Phenom II X4 840 |
DDR4-3200 | Memory | DDR3-1333, DDR2-1066 |
4096 GB | Max. Memory | |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
204.8 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
256.00 MB | L3 Cache | 2.00 MB |
4.0 | PCIe version | -- |
128 | PCIe lanes | -- |
252.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD EPYC 7543P has a TDP of 225 W, that of the AMD Phenom II X4 840 is 95 W. |
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AMD EPYC 7543P | Characteristic | AMD Phenom II X4 840 |
225 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
240 W | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7543P has a 256.00 MB cache, while the AMD Phenom II X4 840 cache has a total of 2.00 MB. |
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AMD EPYC 7543P | Characteristic | AMD Phenom II X4 840 |
7 nm | Technology | 45 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 | SSE3, SSE4a |
SP3 | Socket | AM3 |
AMD-V, SVM | Virtualization | AMD-V |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2021 | Release date | Q1/2011 |
2730 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 7543P
32C 64T @ 3.70 GHz |
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
AMD EPYC 7543P
32C 64T @ 3.30 GHz |
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
AMD EPYC 7543P
32C 64T @ 3.30 GHz |
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
AMD EPYC 7543P
32C 64T @ 3.70 GHz |
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
AMD EPYC 7543P
32C 64T @ 3.30 GHz |
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
AMD EPYC 7543P
32C 64T @ 3.70 GHz |
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
AMD EPYC 7543P
32C 64T @ 3.30 GHz |
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AMD Phenom II X4 840
4C 4T @ 3.20 GHz |
Devices using this processor |
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AMD EPYC 7543P | AMD Phenom II X4 840 |
Unknown | Unknown |