Atom Z2580 vs Core 2 Quad Q9450
Aggregate performance score
Core 2 Quad Q9450 outperforms Atom Z2580 by a whopping 452% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Quad Q9450 and Atom Z2580 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2225 | 3148 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 1.37 | 7.89 |
| Architecture codename | Yorkfield (2007−2009) | Clovertrail (2013) |
| Release date | March 2008 (16 years ago) | 27 February 2013 (11 years ago) |
Detailed specifications
Core 2 Quad Q9450 and Atom Z2580 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 | 4 |
| Base clock speed | 2.66 GHz | no data |
| Boost clock speed | 2.67 GHz | 2 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 12 MB (shared) | 512K (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 2x 107 mm2 | 65 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 820 million | 140 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q9450 and Atom Z2580 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 | FC-MB4760 |
| Power consumption (TDP) | 95 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9450 and Atom Z2580. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE2, Intel® SSE3, Intel® SSSE3 |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Demand Based Switching | - | no data |
| PAE | no data | 32 Bit |
| Smart Idle | no data | + |
| FSB parity | + | no data |
Security technologies
Core 2 Quad Q9450 and Atom Z2580 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 Core 2 Quad Q9450 and Atom Z2580 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9450 and Atom Z2580. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR2 |
| Maximum memory size | no data | 2 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 8.5 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | PowerVR SGX544MP2 (400 MHz) |
| Graphics max frequency | no data | 533 MHz |
Graphics interfaces
Available interfaces and connections of Core 2 Quad Q9450 and Atom Z2580 integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q9450 and Atom Z2580.
| USB revision | no data | 2.0 OTG, USB-SPH 2.0 |
| Number of USB ports | no data | 2 |
| UART | no data | 3 |
Pros & cons summary
| Performance score | 1.38 | 0.25 |
| Physical cores | 4 | 2 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 95 Watt | 3 Watt |
Core 2 Quad Q9450 has a 452% higher aggregate performance score, and 100% more physical cores.
Atom Z2580, on the other hand, has a 40.6% more advanced lithography process, and 3066.7% lower power consumption.
The Core 2 Quad Q9450 is our recommended choice as it beats the Atom Z2580 in performance tests.
Note that Core 2 Quad Q9450 is a desktop processor while Atom Z2580 is a notebook one.
Should you still have questions on choice between Core 2 Quad Q9450 and Atom Z2580, ask them in Comments section, and we shall answer.
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