Ryzen 7 7800X vs Core 2 Quad Q9450
Primary details
Comparing Core 2 Quad Q9450 and Ryzen 7 7800X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2238 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD Ryzen 7 |
| Power efficiency | 1.37 | no data |
| Architecture codename | Yorkfield (2007−2009) | Zen 4 |
| Release date | March 2008 (16 years ago) | no data |
Detailed specifications
Core 2 Quad Q9450 and Ryzen 7 7800X 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) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | 2.66 GHz | 4.2 GHz |
| Boost clock speed | 2.67 GHz | 5 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64K (per core) | 512 KB |
| L2 cache | 12 MB (shared) | 8 MB |
| L3 cache | 0 KB | 96 MB |
| Chip lithography | 45 nm | 5 nm, 6 nm |
| Die size | 2x 107 mm2 | 71+122 mm |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 820 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q9450 and Ryzen 7 7800X 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 | no data |
| Socket | LGA775 | no data |
| Power consumption (TDP) | 95 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q9450 and Ryzen 7 7800X. 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 |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | + | no data |
Security technologies
Core 2 Quad Q9450 and Ryzen 7 7800X 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 Ryzen 7 7800X are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9450 and Ryzen 7 7800X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | no data |
| Maximum memory size | no data | 128 GB |
Pros & cons summary
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 45 nm | 5 nm |
| Power consumption (TDP) | 95 Watt | 120 Watt |
Core 2 Quad Q9450 has 26.3% lower power consumption.
Ryzen 7 7800X, on the other hand, has 100% more physical cores and 300% more threads, and a 800% more advanced lithography process.
We couldn't decide between Core 2 Quad Q9450 and Ryzen 7 7800X. We've got no test results to judge.
Should you still have questions on choice between Core 2 Quad Q9450 and Ryzen 7 7800X, ask them in Comments section, and we shall answer.
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