Atom Z650 vs Pentium D 950
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3225 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Atom |
| Power efficiency | 0.13 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Presler (2005−2007) | Lincroft (2010−2011) |
| Release date | 16 January 2006 (19 years ago) | 11 April 2011 (14 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 Atom Z650 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 | 2 |
| Base clock speed | 3.4 GHz | 1.2 GHz |
| Boost clock speed | 3.4 GHz | 1.2 GHz |
| Bus type | no data | cDMI |
| Bus rate | no data | 400 MT/s |
| Multiplier | no data | 8 |
| L1 cache | 16 KB (per core) | 64K (per core) |
| L2 cache | 2 MB (per die) | 512 KB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 2x 81 mm2 | 65 mm2 |
| Maximum core temperature | C1+D0=63 °C, B1=69 °C | 90 °C |
| Number of transistors | 376 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 950 and Atom Z650 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 (Uniprocessor) |
| Socket | LGA775,PLGA775 | T-PBGA518 |
| Power consumption (TDP) | 130 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 950 and Atom Z650. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE, Intel® SSE2, Intel® SSE3 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | - | + |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
Security technologies
Pentium D 950 and Atom Z650 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 950 and Atom Z650 are enumerated here.
| VT-d | - | - |
| VT-x | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 950 and Atom Z650. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR2 |
| Maximum memory size | no data | 2.93 GB |
| Max memory channels | no data | 1 |
| Maximum memory bandwidth | no data | 3.2 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | PowerVR SGX535 |
Graphics interfaces
Available interfaces and connections of Pentium D 950 and Atom Z650 integrated GPUs.
| LVDS | no data | + |
Peripherals
Specifications and connection of peripherals supported by Pentium D 950 and Atom Z650.
| PCI support | no data | - |
Pros & cons summary
| Recency | 16 January 2006 | 11 April 2011 |
| Physical cores | 2 | 1 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 130 Watt | 3 Watt |
Pentium D 950 has 100% more physical cores.
Atom Z650, on the other hand, has an age advantage of 5 years, a 44.4% more advanced lithography process, and 4233.3% lower power consumption.
We couldn't decide between Intel Pentium D 950 and Intel Atom Z650. We've got no test results to judge.
Note that Pentium D 950 is a desktop processor while Atom Z650 is a notebook one.
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