EPYC Embedded 3251 vs Ryzen Embedded R1505G
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2088 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Ryzen Embedded | AMD EPYC Embedded |
| Power efficiency | 3.68 | no data |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | no data |
| Architecture codename | Zen (2017−2020) | Zen (2017−2020) |
| Release date | 25 February 2020 (6 years ago) | 21 February 2018 (8 years ago) |
| Launch price (MSRP) | $80 | $315 |
Detailed specifications
Ryzen Embedded R1505G and EPYC Embedded 3251 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | 2.4 GHz | 2.5 GHz |
| Boost clock speed | 3.3 GHz | 3.1 GHz |
| Multiplier | 24 | 25 |
| L1 cache | 96 KB (per core) | 96K (per core) |
| L2 cache | 512 KB (per core) | 512K (per core) |
| L3 cache | 4 MB (shared) | 16 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | 209.8 mm2 | 192 mm2 |
| Number of transistors | 3,500 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen Embedded R1505G and EPYC Embedded 3251 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) | 1 (Uniprocessor) |
| Socket | FP5 | TR4 |
| Power consumption (TDP) | 25 Watt | 50 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Embedded R1505G and EPYC Embedded 3251. 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 | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Embedded R1505G and EPYC Embedded 3251 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Embedded R1505G and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR4 Eight-channel |
| Maximum memory size | 32 GB | 512 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 38.397 GB/s | 42.671 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 3 | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen Embedded R1505G and EPYC Embedded 3251.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 8 | no data |
Pros & cons summary
| Recency | 25 February 2020 | 21 February 2018 |
| Physical cores | 2 | 8 |
| Threads | 4 | 16 |
| Power consumption (TDP) | 25 Watt | 50 Watt |
Ryzen Embedded R1505G has an age advantage of 2 years, and 100% lower power consumption.
EPYC Embedded 3251, on the other hand, has 300% more physical cores and 300% more threads.
We couldn't decide between AMD Ryzen Embedded R1505G and AMD EPYC Embedded 3251. We've got no test results to judge.
Be aware that Ryzen Embedded R1505G is a notebook processor while EPYC Embedded 3251 is a server/workstation one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
