Mobile Pentium 4 520 vs Pentium D 950
Aggregate performance score
Pentium D 950 outperforms Mobile Pentium 4 520 by a whopping 187% based on our aggregate benchmark results.
Primary details
Comparing Pentium D 950 and Mobile Pentium 4 520 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3011 | 3349 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Mobile Pentium 4 |
| Power efficiency | 0.32 | 0.16 |
| Architecture codename | Presler (2005−2007) | Northwood (2002−2004) |
| Release date | 16 January 2006 (19 years ago) | no data |
| Launch price (MSRP) | $637 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium D 950 and Mobile Pentium 4 520 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) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Base clock speed | 3.4 GHz | no data |
| Boost clock speed | 3.4 GHz | 2.8 GHz |
| Bus rate | no data | 533 MHz |
| L1 cache | 16 KB (per core) | no data |
| L2 cache | 2 MB (per die) | no data |
| L3 cache | 0 KB | no data |
| Chip lithography | 65 nm | 90 nm |
| Die size | 2x 81 mm2 | no data |
| Maximum core temperature | C1+D0=63 °C, B1=69 °C | no data |
| Number of transistors | 376 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 950 and Mobile Pentium 4 520 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 | no data |
| Socket | LGA775,PLGA775 | no data |
| Power consumption (TDP) | 130 Watt | 91 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 950 and Mobile Pentium 4 520. You'll probably need this information if you require some particular technology.
| 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 Mobile Pentium 4 520 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 Mobile Pentium 4 520 are enumerated here.
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 950 and Mobile Pentium 4 520. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Pros & cons summary
| Performance score | 0.43 | 0.15 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 130 Watt | 91 Watt |
Pentium D 950 has a 186.7% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 38.5% more advanced lithography process.
Mobile Pentium 4 520, on the other hand, has 42.9% lower power consumption.
The Pentium D 950 is our recommended choice as it beats the Mobile Pentium 4 520 in performance tests.
Note that Pentium D 950 is a desktop processor while Mobile Pentium 4 520 is a notebook one.
Should you still have questions on choice between Pentium D 950 and Mobile Pentium 4 520, ask them in Comments section, and we shall answer.
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