Core 2 Quad Q9450 vs Pentium Dual Core T2390
Primary details
Comparing Pentium Dual Core T2390 and Core 2 Quad Q9450 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2219 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Pentium Dual Core | no data |
| Power efficiency | no data | 1.37 |
| Architecture codename | Merom (2006−2008) | Yorkfield (2007−2009) |
| Release date | 1 March 2008 (16 years ago) | March 2008 (16 years ago) |
Detailed specifications
Pentium Dual Core T2390 and Core 2 Quad Q9450 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | no data | 2.66 GHz |
| Boost clock speed | 1.86 GHz | 2.67 GHz |
| Bus rate | 533 MHz | 1333 MHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | 1 MB | 12 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 143 mm2 | 2x 107 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 71 °C |
| Number of transistors | 291 Million | 820 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.85V-1.3625V |
Compatibility
Information on Pentium Dual Core T2390 and Core 2 Quad Q9450 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 | no data | 1 |
| Socket | PPGA478 | LGA775 |
| Power consumption (TDP) | 35 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium Dual Core T2390 and Core 2 Quad Q9450. 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
Pentium Dual Core T2390 and Core 2 Quad Q9450 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 Pentium Dual Core T2390 and Core 2 Quad Q9450 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T2390 and Core 2 Quad Q9450. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 35 Watt | 95 Watt |
Pentium Dual T2390 has 171.4% lower power consumption.
Core 2 Quad Q9450, on the other hand, has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
We couldn't decide between Pentium Dual Core T2390 and Core 2 Quad Q9450. We've got no test results to judge.
Be aware that Pentium Dual Core T2390 is a notebook processor while Core 2 Quad Q9450 is a desktop one.
Should you still have questions on choice between Pentium Dual Core T2390 and Core 2 Quad Q9450, ask them in Comments section, and we shall answer.
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