Pentium D 945 vs A8-5550M
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2666 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD A-Series | no data |
| Power efficiency | 3.16 | no data |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Richland (2013−2014) | Presler (2005−2007) |
| Release date | 1 June 2013 (12 years ago) | 23 July 2006 (19 years ago) |
| Launch price (MSRP) | no data | $163 |
Detailed specifications
A8-5550M and Pentium D 945 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 2.1 GHz | 3.4 GHz |
| Boost clock speed | 3.1 GHz | 3.4 GHz |
| L1 cache | 128 KB (per core) | 16 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per die) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 65 nm |
| Die size | 246 mm2 | 2x 81 mm2 |
| Maximum case temperature (TCase) | 71 °C | 63 °C |
| Number of transistors | 1,178 million | 376 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.2V-1.3375V |
Compatibility
Information on A8-5550M and Pentium D 945 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 | FS1r2 | LGA775,PLGA775 |
| Power consumption (TDP) | 35 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-5550M and Pentium D 945. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA | no data |
| AES-NI | + | - |
| FMA | + | - |
| 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 | no data | 32 Bit |
| FSB parity | no data | - |
Security technologies
A8-5550M and Pentium D 945 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 A8-5550M and Pentium D 945 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 A8-5550M and Pentium D 945. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 8550G (515 - 720 MHz) | On certain motherboards (Chipset feature) |
Pros & cons summary
| Recency | 1 June 2013 | 23 July 2006 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 35 Watt | 95 Watt |
A8-5550M has an age advantage of 6 years, 100% more physical cores and 100% more threads, a 103.1% more advanced lithography process, and 171.4% lower power consumption.
We couldn't decide between AMD A8-5550M and Intel Pentium D 945. We've got no test results to judge.
Be aware that A8-5550M is a notebook processor while Pentium D 945 is a desktop one.
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