EPYC 7702 vs Pentium D 955
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 97 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 4.33 |
| Market segment | Desktop processor | Server |
| Series | no data | AMD EPYC |
| Power efficiency | no data | 8.32 |
| Designer | Intel | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Presler (2005−2007) | Zen 2 (2019−2020) |
| Release date | January 2006 (20 years ago) | 7 August 2019 (6 years ago) |
| Launch price (MSRP) | no data | $6,450 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Basic parameters of Pentium D 955 and EPYC 7702: 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) | 64 (Tetrahexaconta-Core) |
| Threads | no data | 128 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 3.46 GHz | 3.35 GHz |
| Multiplier | no data | 20 |
| L1 cache | 28 KB | 96K (per core) |
| L2 cache | 4096 KB | 512K (per core) |
| L3 cache | 0 KB | 256 MB (shared) |
| Chip lithography | 65 nm | 7 nm, 14 nm |
| Die size | 140 mm2 | 192 mm2 |
| Number of transistors | 376 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium D 955 and EPYC 7702 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 | 2 | 2 (Multiprocessor) |
| Socket | 775 | TR4 |
| Power consumption (TDP) | 130 Watt | 200 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 955 and EPYC 7702. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 955 and EPYC 7702 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 955 and EPYC 7702. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR4 Eight-channel |
| Maximum memory size | no data | 4 TiB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | no data | 204.763 GB/s |
| ECC memory support | - | + |
Pros & cons summary
| Physical cores | 2 | 64 |
| Chip lithography | 65 nm | 7 nm |
| Power consumption (TDP) | 130 Watt | 200 Watt |
Pentium D 955 has 54% lower power consumption.
EPYC 7702, on the other hand, has 3100% more physical cores, and a 829% more advanced lithography process.
We couldn't decide between Intel Pentium D 955 and AMD EPYC 7702. We've got no test results to judge.
Note that Pentium D 955 is a desktop processor while EPYC 7702 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.
