Pentium D 915 vs Atom D525
Aggregate performance score
Pentium D 915 outperforms Atom D525 by a moderate 16% based on our aggregate benchmark results.
Primary details
Comparing Atom D525 and Pentium D 915 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3149 | 3110 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Atom | no data |
| Power efficiency | 1.82 | 0.29 |
| Architecture codename | Pinetrail (2009−2011) | Presler (2005−2007) |
| Release date | 21 June 2010 (14 years ago) | 23 July 2006 (18 years ago) |
| Launch price (MSRP) | $63 | $74 |
Detailed specifications
Atom D525 and Pentium D 915 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 1.8 GHz | 2.8 GHz |
| Boost clock speed | 1.83 GHz | 2.8 GHz |
| L1 cache | 64K (per core) | 16 KB (per core) |
| L2 cache | 512K (per core) | 2 MB (per die) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 66 mm2 | 2x 81 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 63 °C |
| Number of transistors | 176 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.2V-1.3375V |
Compatibility
Information on Atom D525 and Pentium D 915 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 | FCBGA559 | LGA775,PLGA775 |
| Power consumption (TDP) | 13 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom D525 and Pentium D 915. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE2, Intel® SSE3, Intel® SSSE3 | no data |
| Enhanced SpeedStep (EIST) | - | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | + | - |
| Idle States | - | + |
| Demand Based Switching | - | - |
| PAE | 32 Bit | 32 Bit |
| FSB parity | no data | - |
Security technologies
Atom D525 and Pentium D 915 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom D525 and Pentium D 915 are enumerated here.
| VT-d | - | - |
| VT-x | - | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom D525 and Pentium D 915. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2, DDR3 | DDR1, DDR2, DDR3 |
| Maximum memory size | 4 GB | no data |
| Max memory channels | 1 | no data |
| Maximum memory bandwidth | 6.4 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel GMA 3150 | On certain motherboards (Chipset feature) |
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 | 0.25 | 0.29 |
| Recency | 21 June 2010 | 23 July 2006 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 13 Watt | 95 Watt |
Atom D525 has an age advantage of 3 years, 100% more threads, a 44.4% more advanced lithography process, and 630.8% lower power consumption.
Pentium D 915, on the other hand, has a 16% higher aggregate performance score.
The Pentium D 915 is our recommended choice as it beats the Atom D525 in performance tests.
Be aware that Atom D525 is a notebook processor while Pentium D 915 is a desktop one.
Should you still have questions on choice between Atom D525 and Pentium D 915, ask them in Comments section, and we shall answer.
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