AMD Phenom II X4 945 | AMD EPYC 7552 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 945 and the AMD EPYC 7552 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 945 4 core processor released in Q2/2009 with the AMD EPYC 7552 which has 48 CPU cores and was introduced in Q3/2019. |
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AMD Phenom II (52) | Family | AMD EPYC (129) |
AMD Phenom II - 800/900 (23) | CPU group | AMD EPYC 7002 (24) |
4 | Generation | 2 |
Deneb (K10) | Architecture | Rome (Zen 2) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | AMD EPYC 7551 |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 945 is a 4 core processor with a clock frequency of 3.00 GHz. The processor can compute 4 threads at the same time. The AMD EPYC 7552 clocks with 2.20 GHz (3.30 GHz), has 48 CPU cores and can calculate 96 threads in parallel. |
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AMD Phenom II X4 945 | Characteristic | AMD EPYC 7552 |
4 | Cores | 48 |
4 | Threads | 96 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.00 GHz | Frequency | 2.20 GHz |
-- | Turbo Frequency (1 Core) | 3.30 GHz |
-- | Turbo Frequency (All Cores) | 2.50 GHz |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 945, while the AMD EPYC 7552 supports a maximum of GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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AMD Phenom II X4 945 | Characteristic | AMD EPYC 7552 |
DDR3-1333, DDR2-1066 | Memory | DDR4-3200 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
21.3 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
6.00 MB | L3 Cache | 192.00 MB |
-- | PCIe version | 4.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe AMD Phenom II X4 945 has a TDP of 125 W. The TDP of the AMD EPYC 7552 is 200 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X4 945 | Characteristic | AMD EPYC 7552 |
125 W | TDP (PL1 / PBP) | 200 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 945 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD EPYC 7552 is at 192.00 MB. The processor is manufactured in 7 nm. |
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AMD Phenom II X4 945 | Characteristic | AMD EPYC 7552 |
45 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 |
AM3 | Socket | SP3 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2009 | Release date | Q3/2019 |
-- | Release price | 7000 $ |
show more data | show more data | |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 2.50 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 2.50 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 2.50 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 2.20 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 3.30 GHz |
AMD Phenom II X4 945
4C 4T @ 3.00 GHz |
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AMD EPYC 7552
48C 96T @ 2.50 GHz |
Devices using this processor |
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AMD Phenom II X4 945 | AMD EPYC 7552 |
Unknown | Unknown |