EPYC 9845 vs Pentium D 915
Aggregate performance score
EPYC 9845 outperforms Pentium D 915 by a whopping 30138% based on our aggregate benchmark results.
Primary details
Comparing Pentium D 915 and EPYC 9845 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3125 | 3 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.56 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.29 | 21.29 |
| Architecture codename | Presler (2005−2007) | Turin (2024) |
| Release date | 23 July 2006 (18 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | $74 | $13,564 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 915 and EPYC 9845 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) | 160 |
| Threads | 2 | 320 |
| Base clock speed | 2.8 GHz | 2.1 GHz |
| Boost clock speed | 2.8 GHz | 3.7 GHz |
| L1 cache | 16 KB (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per die) | 1 MB (per core) |
| L3 cache | 0 KB | 320 MB (shared) |
| Chip lithography | 65 nm | 3 nm |
| Die size | 2x 81 mm2 | no data |
| Maximum case temperature (TCase) | 63 °C | no data |
| Number of transistors | 376 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 915 and EPYC 9845 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 | 2 |
| Socket | LGA775,PLGA775 | SP5 |
| Power consumption (TDP) | 95 Watt | 390 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 915 and EPYC 9845. 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 |
| Precision Boost 2 | no data | + |
Security technologies
Pentium D 915 and EPYC 9845 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 915 and EPYC 9845 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 915 and EPYC 9845. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium D 915 and EPYC 9845.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 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 | 0.29 | 87.69 |
| Recency | 23 July 2006 | 10 October 2024 |
| Physical cores | 2 | 160 |
| Threads | 2 | 320 |
| Chip lithography | 65 nm | 3 nm |
| Power consumption (TDP) | 95 Watt | 390 Watt |
Pentium D 915 has 310.5% lower power consumption.
EPYC 9845, on the other hand, has a 30137.9% higher aggregate performance score, an age advantage of 18 years, 7900% more physical cores and 15900% more threads, and a 2066.7% more advanced lithography process.
The EPYC 9845 is our recommended choice as it beats the Pentium D 915 in performance tests.
Note that Pentium D 915 is a desktop processor while EPYC 9845 is a server/workstation one.
Should you still have questions on choice between Pentium D 915 and EPYC 9845, ask them in Comments section, and we shall answer.
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