Pentium D 840 EE vs Core 2 Duo E8600
Primary details
Comparing Core 2 Duo E8600 and Pentium D 840 EE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2549 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.26 | no data |
| Architecture codename | Wolfdale (2008−2010) | Smithfield (2005) |
| Release date | August 2008 (16 years ago) | May 2005 (19 years ago) |
Detailed specifications
Core 2 Duo E8600 and Pentium D 840 EE 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 | 4 |
| Base clock speed | 3.33 GHz | no data |
| Boost clock speed | 3.33 GHz | 3.2 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | 64 KB | 28 KB |
| L2 cache | 6 MB (shared) | 2 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | 107 mm2 | 206 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 410 million | 169 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Duo E8600 and Pentium D 840 EE 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 | 2 |
| Socket | LGA775 | 775 |
| Power consumption (TDP) | 65 Watt | 130 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E8600 and Pentium D 840 EE. 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 |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
Security technologies
Core 2 Duo E8600 and Pentium D 840 EE 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 E8600 and Pentium D 840 EE 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 Duo E8600 and Pentium D 840 EE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR1, DDR2, DDR3 |
Pros & cons summary
| Threads | 2 | 4 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 65 Watt | 130 Watt |
Core 2 Duo E8600 has a 100% more advanced lithography process, and 100% lower power consumption.
Pentium D 840 EE, on the other hand, has 100% more threads.
We couldn't decide between Core 2 Duo E8600 and Pentium D 840 EE. We've got no test results to judge.
Should you still have questions on choice between Core 2 Duo E8600 and Pentium D 840 EE, ask them in Comments section, and we shall answer.
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