Pentium Dual-Core E2140 vs Core 2 Quad Q9550
Primary details
Comparing Core 2 Quad (Desktop) Q9550 and Pentium Dual-Core E2140 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2155 | 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) | Allendale (2006−2009) |
| Release date | no data (2024 years ago) | June 2007 (17 years ago) |
Detailed specifications
Core 2 Quad (Desktop) Q9550 and Pentium Dual-Core E2140 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 |
| Boost clock speed | 2.83 GHz | 1.6 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 12288 KB | 1 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | no data | 77 mm2 |
| Number of transistors | no data | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core 2 Quad (Desktop) Q9550 and Pentium Dual-Core E2140 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 | LGA775 | 775 |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Pentium Dual-Core E2140. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Pentium Dual-Core E2140. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1,DDR2,DDR3 | 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 | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Core 2 Quad Q9550 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
Pentium Dual-Core E2140, on the other hand, has 46.2% lower power consumption.
We couldn't decide between Core 2 Quad Q9550 and Pentium Dual-Core E2140. We've got no test results to judge.
Should you still have questions on choice between Core 2 Quad Q9550 and Pentium Dual-Core E2140, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
