EPYC Embedded 3255 vs Pentium D 950
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3283 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC Embedded |
| Power efficiency | 0.13 | no data |
| Designer | Intel | AMD |
| Manufacturer | Intel | GlobalFoundries |
| Architecture codename | Presler (2005−2007) | Zen (2017−2020) |
| Release date | 16 January 2006 (20 years ago) | 21 February 2018 (8 years ago) |
| Launch price (MSRP) | $637 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Pentium D 950 and EPYC Embedded 3255: 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 | 2 | 16 |
| Base clock speed | 3.4 GHz | 2.5 GHz |
| Boost clock speed | 3.4 GHz | 3.1 GHz |
| Multiplier | no data | 25 |
| L1 cache | 16 KB (per core) | 96K (per core) |
| L2 cache | 2 MB (per die) | 512K (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 65 nm | 14 nm |
| Die size | 2x 81 mm2 | 213 mm2 |
| Maximum core temperature | C1+D0=63 °C, B1=69 °C | no data |
| Number of transistors | 376 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 950 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 | LGA775,PLGA775 | AMD BGA SP4r2 |
| Power consumption (TDP) | 130 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 950 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
Pentium D 950 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 Pentium D 950 and EPYC Embedded 3255 are enumerated here.
| AMD-V | - | + |
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 950 and EPYC Embedded 3255. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | 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 | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium D 950 and EPYC Embedded 3255.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 32 |
Pros & cons summary
| Recency | 16 January 2006 | 21 February 2018 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 65 nm | 14 nm |
| Power consumption (TDP) | 130 Watt | 55 Watt |
EPYC Embedded 3255 has an age advantage of 12 years, 300% more physical cores and 700% more threads, a 364% more advanced lithography process, and 136% lower power consumption.
We couldn't decide between Intel Pentium D 950 and AMD EPYC Embedded 3255. We've got no test results to judge.
Note that Pentium D 950 is a desktop processor while EPYC Embedded 3255 is a server/workstation one.
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