Phenom II X4 945 (95W) vs Core 2 Quad Q9550
Primary details
Comparing Core 2 Quad (Desktop) Q9550 and Phenom II X4 945 (95W) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2170 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Quad (Desktop) | no data |
| Power efficiency | 1.47 | no data |
| Architecture codename | Yorkfield (2007−2009) | Deneb (2009−2011) |
| Release date | no data | 22 July 2009 (15 years ago) |
Detailed specifications
Core 2 Quad (Desktop) Q9550 and Phenom II X4 945 (95W) 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | no data | 3 GHz |
| Boost clock speed | 2.83 GHz | 3 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64K (per core) | 128 KB (per core) |
| L2 cache | 12288 KB | 512 KB (per core) |
| L3 cache | 0 KB | 6 MB (shared) |
| Chip lithography | 45 nm | 45 nm |
| Die size | 2x 107 mm2 | 258 mm2 |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 820 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core 2 Quad (Desktop) Q9550 and Phenom II X4 945 (95W) 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 | AM3 |
| Power consumption (TDP) | 95 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Phenom II X4 945 (95W). You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Phenom II X4 945 (95W) are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Phenom II X4 945 (95W). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1,DDR2,DDR3 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad (Desktop) Q9550 and Phenom II X4 945 (95W).
| PCIe version | no data | 2.0 |
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