Athlon 64 X2 4000+ vs Pentium D 950
Aggregate performance score
Athlon 64 X2 4000+ outperforms Pentium D 950 by a minimal 2% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3106 | 3098 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 0.31 | 0.46 |
| Designer | Intel | AMD |
| Manufacturer | Intel | no data |
| Architecture codename | Presler (2005−2007) | Windsor (2006−2007) |
| Release date | 16 January 2006 (19 years ago) | May 2006 (19 years ago) |
| Launch price (MSRP) | $637 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Pentium D 950 and Athlon 64 X2 4000+ 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 | 2 | 2 |
| Base clock speed | 3.4 GHz | no data |
| Boost clock speed | 3.4 GHz | 2 GHz |
| L1 cache | 16 KB (per core) | 256 KB |
| L2 cache | 2 MB (per die) | 512K |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 90 nm |
| Die size | 2x 81 mm2 | 220 mm2 |
| Maximum core temperature | C1+D0=63 °C, B1=69 °C | no data |
| Number of transistors | 376 million | 154 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 950 and Athlon 64 X2 4000+ 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 | AM2 |
| Power consumption (TDP) | 130 Watt | 89 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 950 and Athlon 64 X2 4000+. 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 Athlon 64 X2 4000+ 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 Athlon 64 X2 4000+ 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 Athlon 64 X2 4000+. 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 |
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 0.42 | 0.43 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 130 Watt | 89 Watt |
Pentium D 950 has a 38.5% more advanced lithography process.
Athlon 64 X2 4000+, on the other hand, has a 2.4% higher aggregate performance score, and 46.1% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Intel Pentium D 950 and AMD Athlon 64 X2 4000+.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
