AMD Ryzen 5 1500X | AMD EPYC 7251 | |
CPU comparisonAMD Ryzen 5 1500X or AMD EPYC 7251 - 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 Ryzen 5 1500X has 4 cores with 8 threads and clocks with a maximum frequency of 3.70 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 1500X was released in Q1/2017. The AMD EPYC 7251 has 8 cores with 16 threads and clocks with a maximum frequency of 2.90 GHz. The CPU supports up to GB of memory in 8 memory channels. The AMD EPYC 7251 was released in Q3/2017. |
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AMD Ryzen 5 (85) | Family | AMD EPYC (129) |
AMD Ryzen 1000 (15) | CPU group | AMD EPYC 7001 (12) |
1 | Generation | 1 |
Summit Ridge (Zen) | Architecture | Naples (Zen) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 5 1500X has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the AMD Ryzen 5 1500X is 3.50 GHz (3.70 GHz) while the AMD EPYC 7251 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7251 is at 2.10 GHz (2.90 GHz). |
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AMD Ryzen 5 1500X | Characteristic | AMD EPYC 7251 |
4 | Cores | 8 |
8 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.50 GHz | Frequency | 2.10 GHz |
3.70 GHz | Turbo Frequency (1 Core) | 2.90 GHz |
3.30 GHz | Turbo Frequency (All Cores) | 2.90 GHz |
Memory & PCIeThe AMD Ryzen 5 1500X can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 42.7 GB/s. The AMD EPYC 7251 supports up to GB of memory in 8 memory channels and achieves a memory bandwidth of up to 153.6 GB/s. |
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AMD Ryzen 5 1500X | Characteristic | AMD EPYC 7251 |
DDR4-2666 | Memory | DDR4-2666 |
64 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
42.7 GB/s | Max. Bandwidth | 153.6 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
16.00 MB | L3 Cache | 32.00 MB |
3.0 | PCIe version | 3.0 |
20 | PCIe lanes | 128 |
19.7 GB/s | PCIe Bandwidth | 126.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 5 1500X is 65 W, while the AMD EPYC 7251 has a TDP of 120 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 5 1500X | Characteristic | AMD EPYC 7251 |
65 W | TDP (PL1 / PBP) | 120 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
95 °C | Tjunction max. | -- |
Technical detailsThe AMD Ryzen 5 1500X is manufactured in 14 nm and has 16.00 MB cache. The AMD EPYC 7251 is manufactured in 14 nm and has a 32.00 MB cache. |
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AMD Ryzen 5 1500X | Characteristic | AMD EPYC 7251 |
14 nm | Technology | 14 nm |
Monolithic | 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 |
AM4 (PGA 1331) | Socket | SP3 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2017 | Release date | Q3/2017 |
265 $ | Release price | 450 $ |
show more data | show more data | |
AMD Ryzen 5 1500X
4C 8T @ 3.70 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.30 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.30 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.70 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.30 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.70 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.30 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.30 GHz |
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AMD EPYC 7251
8C 16T @ 2.90 GHz |
AMD Ryzen 5 1500X
4C 8T @ 3.50 GHz |
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AMD EPYC 7251
8C 16T @ 2.10 GHz |
Devices using this processor |
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AMD Ryzen 5 1500X | AMD EPYC 7251 |
Unknown | Unknown |