EPYC 7281 vs Ryzen 5 1500X
Aggregate performance score
EPYC 7281 outperforms Ryzen 5 1500X by a whopping 138% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 1500X and EPYC 7281 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1137 | 551 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.14 | 4.78 |
| Market segment | Desktop processor | Server |
| Series | AMD Ryzen 5 | AMD EPYC |
| Power efficiency | 8.34 | 7.58 |
| Architecture codename | Zen (2017−2020) | Naples (2017−2018) |
| Release date | 16 March 2017 (7 years ago) | 20 June 2017 (7 years ago) |
| Launch price (MSRP) | $189 | $650 |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 7281 has 52% better value for money than Ryzen 5 1500X.
Detailed specifications
Ryzen 5 1500X and EPYC 7281 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 16 (Hexadeca-Core) |
| Threads | 8 | 32 |
| Base clock speed | 3.5 GHz | 2.1 GHz |
| Boost clock speed | 3.5 GHz | 2.1 GHz |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | 21 |
| L1 cache | 384 KB | 1.5 MB |
| L2 cache | 2 MB | 8 MB |
| L3 cache | 16 MB (shared) | 32 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | 213 mm2 | 213 mm2 |
| Number of transistors | 4800 Million | 19200 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 5 1500X and EPYC 7281 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 2 (Multiprocessor) |
| Socket | AM4 | TR4 |
| Power consumption (TDP) | 65 Watt | 155 W, 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 1500X and EPYC 7281. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 1500X and EPYC 7281 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 1500X and EPYC 7281. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 Eight-channel |
| Maximum memory size | 64 GB | 2 TiB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 42.671 GB/s | 170.671 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 1500X and EPYC 7281.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 20 | 128 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 5.73 | 13.61 |
| Recency | 16 March 2017 | 20 June 2017 |
| Physical cores | 4 | 16 |
| Threads | 8 | 32 |
| Power consumption (TDP) | 65 Watt | 155 Watt |
Ryzen 5 1500X has 138.5% lower power consumption.
EPYC 7281, on the other hand, has a 137.5% higher aggregate performance score, an age advantage of 3 months, and 300% more physical cores and 300% more threads.
The EPYC 7281 is our recommended choice as it beats the Ryzen 5 1500X in performance tests.
Note that Ryzen 5 1500X is a desktop processor while EPYC 7281 is a server/workstation one.
Should you still have questions on choice between Ryzen 5 1500X and EPYC 7281, ask them in Comments section, and we shall answer.
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