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AMD EPYC 7281 | Intel Core i5-2550k | |
CPU comparisonIn this CPU comparison, we compare the AMD EPYC 7281 and the Intel Core i5-2550k and use benchmarks to check which processor is faster.
We compare the AMD EPYC 7281 16 core processor released in Q3/2017 with the Intel Core i5-2550k which has 4 CPU cores and was introduced in Q1/2012. |
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AMD EPYC (129) | Family | Intel Core i5 (331) |
AMD EPYC 7001 (12) | CPU group | Intel Core i 2000 (28) |
1 | Generation | 2 |
Naples (Zen) | Architecture | Sandy Bridge S |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | Intel Core i5-3570K |
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CPU Cores and Base FrequencyThe AMD EPYC 7281 is a 16 core processor with a clock frequency of 2.20 GHz (2.70 GHz). The processor can compute 32 threads at the same time. The Intel Core i5-2550k clocks with 3.40 GHz (3.80 GHz), has 4 CPU cores and can calculate 4 threads in parallel. |
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AMD EPYC 7281 | Characteristic | Intel Core i5-2550k |
16 | Cores | 4 |
32 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
2.20 GHz | Frequency | 3.40 GHz |
2.70 GHz | Turbo Frequency (1 Core) | 3.80 GHz |
2.70 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to GB of memory in a maximum of 8 memory channels is supported by the AMD EPYC 7281, while the Intel Core i5-2550k supports a maximum of 32 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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AMD EPYC 7281 | Characteristic | Intel Core i5-2550k |
DDR4-2666 | Memory | DDR3-1333 |
Max. Memory | 32 GB | |
8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
170.6 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
32.00 MB | L3 Cache | 6.00 MB |
3.0 | PCIe version | 2.0 |
128 | PCIe lanes | 16 |
126.1 GB/s | PCIe Bandwidth | 8.0 GB/s |
Thermal ManagementThe AMD EPYC 7281 has a TDP of 170 W. The TDP of the Intel Core i5-2550k is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD EPYC 7281 | Characteristic | Intel Core i5-2550k |
170 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD EPYC 7281 has 32.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i5-2550k is at 6.00 MB. The processor is manufactured in 32 nm. |
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AMD EPYC 7281 | Characteristic | Intel Core i5-2550k |
14 nm | Technology | 32 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2, AVX |
SP3 | Socket | LGA 1155 |
AMD-V, SVM | Virtualization | VT-x, VT-x EPT |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2017 | Release date | Q1/2012 |
625 $ | Release price | 235 $ |
show more data | show more data | |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Intel Core i5-2550k
4C 4T @ 3.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Intel Core i5-2550k
4C 4T @ 3.40 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Intel Core i5-2550k
4C 4T @ 3.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Intel Core i5-2550k
4C 4T @ 3.40 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Intel Core i5-2550k
4C 4T @ 3.40 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Intel Core i5-2550k
4C 4T @ 3.80 GHz |
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AMD EPYC 7281
16C 32T @ 2.70 GHz |
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Intel Core i5-2550k
4C 4T @ 3.40 GHz |
Devices using this processor |
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AMD EPYC 7281 | Intel Core i5-2550k |
Unknown | Unknown |