EPYC Embedded 3255 vs Xeon 5040
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Series | no data | AMD EPYC Embedded |
| Designer | Intel | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | Dempsey (2006) | Zen (2017−2020) |
| Release date | May 2006 (19 years ago) | 21 February 2018 (8 years ago) |
Detailed specifications
Xeon 5040 and EPYC Embedded 3255 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 | 2.83 GHz | 2.5 GHz |
| Boost clock speed | 2.83 GHz | 2.5 GHz |
| Multiplier | no data | 25 |
| L1 cache | 0 KB | 768 KB |
| L2 cache | 2 MB | 4 MB |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Die size | no data | 213 mm2 |
| Maximum core temperature | 67 °C | no data |
| Number of transistors | no data | 4800 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.075V-1.35V | no data |
Compatibility
Information on Xeon 5040 and EPYC Embedded 3255 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 | 1 |
| Socket | PLGA771 | AMD BGA SP4r2 |
| Power consumption (TDP) | 95 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 5040 and EPYC Embedded 3255. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | + | no data |
Security technologies
Xeon 5040 and EPYC Embedded 3255 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 5040 and EPYC Embedded 3255 are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
| EPT | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 5040 and EPYC Embedded 3255. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR4-2666 |
| Maximum memory size | no data | 512 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Xeon 5040 and EPYC Embedded 3255.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 32 |
Pros & cons summary
| Physical cores | 2 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 95 Watt | 55 Watt |
EPYC Embedded 3255 has 300% more physical cores and 300% more threads, a 364% more advanced lithography process, and 73% lower power consumption.
We couldn't decide between Intel Xeon 5040 and AMD EPYC Embedded 3255. We've got no test results to judge.
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