Pentium Dual-Core E2140 vs Core 2 Duo L7300
Primary details
Comparing Core 2 Duo L7300 and Pentium Dual-Core E2140 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Core 2 Duo | no data |
| Architecture codename | Merom (2006−2008) | Allendale (2006−2009) |
| Release date | no data (2024 years ago) | June 2007 (17 years ago) |
Detailed specifications
Core 2 Duo L7300 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 1.4 GHz | no data |
| Boost clock speed | 1.4 GHz | 1.6 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 1 MB (shared) |
| L3 cache | 4 MB L2 Cache | 0 KB |
| Chip lithography | 65 nm | 65 nm |
| Die size | no data | 77 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.975V-1.062V | no data |
Compatibility
Information on Core 2 Duo L7300 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 | PBGA479 | 775 |
| Power consumption (TDP) | 17 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo L7300 and Pentium Dual-Core E2140. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo L7300 and Pentium Dual-Core E2140 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 Duo L7300 and Pentium Dual-Core E2140 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo L7300 and Pentium Dual-Core E2140. 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
| Power consumption (TDP) | 17 Watt | 65 Watt |
Core 2 Duo L7300 has 282.4% lower power consumption.
We couldn't decide between Core 2 Duo L7300 and Pentium Dual-Core E2140. We've got no test results to judge.
Be aware that Core 2 Duo L7300 is a notebook processor while Pentium Dual-Core E2140 is a desktop one.
Should you still have questions on choice between Core 2 Duo L7300 and Pentium Dual-Core E2140, ask them in Comments section, and we shall answer.
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