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AMD Phenom II X4 920 | AMD EPYC 7281 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X4 920 and the AMD EPYC 7281 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X4 920 4 core processor released in Q1/2009 with the AMD EPYC 7281 which has 16 CPU cores and was introduced in Q3/2017. |
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AMD Phenom II (52) | Family | AMD EPYC (129) |
AMD Phenom II - 800/900 (23) | CPU group | AMD EPYC 7001 (12) |
4 | Generation | 1 |
Deneb (K10) | Architecture | Naples (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Phenom II X4 920 is a 4 core processor with a clock frequency of 2.80 GHz. The processor can compute 4 threads at the same time. The AMD EPYC 7281 clocks with 2.20 GHz (2.70 GHz), has 16 CPU cores and can calculate 32 threads in parallel. |
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AMD Phenom II X4 920 | Characteristic | AMD EPYC 7281 |
4 | Cores | 16 |
4 | Threads | 32 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
2.80 GHz | Frequency | 2.20 GHz |
-- | Turbo Frequency (1 Core) | 2.70 GHz |
-- | Turbo Frequency (All Cores) | 2.70 GHz |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 920, while the AMD EPYC 7281 supports a maximum of GB of memory with a maximum memory bandwidth of 170.6 GB/s enabled. |
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AMD Phenom II X4 920 | Characteristic | AMD EPYC 7281 |
DDR3-1333, DDR2-1066 | Memory | DDR4-2666 |
Max. Memory | ||
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
21.3 GB/s | Max. Bandwidth | 170.6 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
6.00 MB | L3 Cache | 32.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 128 |
-- | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe AMD Phenom II X4 920 has a TDP of 125 W. The TDP of the AMD EPYC 7281 is 170 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 920 | Characteristic | AMD EPYC 7281 |
125 W | TDP (PL1 / PBP) | 170 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Phenom II X4 920 has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD EPYC 7281 is at 32.00 MB. The processor is manufactured in 14 nm. |
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AMD Phenom II X4 920 | Characteristic | AMD EPYC 7281 |
45 nm | Technology | 14 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 |
AM2+ | Socket | SP3 |
AMD-V | Virtualization | AMD-V, SVM |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2009 | Release date | Q3/2017 |
-- | Release price | 625 $ |
show more data | show more data | |
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AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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AMD Phenom II X4 920
4C 4T @ 2.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
Devices using this processor |
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AMD Phenom II X4 920 | AMD EPYC 7281 |
Unknown | Unknown |