Core 2 Duo E6405 vs Core 2 Quad Q8300
Primary details
Comparing Core 2 Quad Q8300 and Core 2 Duo E6405 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2346 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Power efficiency | 1.19 | no data |
| Architecture codename | Yorkfield (2007−2009) | no data |
| Release date | November 2008 (16 years ago) | no data (2024 years ago) |
Detailed specifications
Core 2 Quad Q8300 and Core 2 Duo E6405 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 |
| Base clock speed | 2.5 GHz | 2.13 GHz |
| Boost clock speed | 2.5 GHz | no data |
| Bus rate | 1333 MHz | 1066 MHz |
| L1 cache | 64K (per core) | no data |
| L2 cache | 4 MB (shared) | no data |
| L3 cache | 0 KB | 2 MB L2 Cache |
| Chip lithography | 45 nm | 65 nm |
| Die size | 2x 81 mm2 | no data |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 456 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q8300 and Core 2 Duo E6405 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 | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q8300 and Core 2 Duo E6405. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | - |
| FSB parity | - | + |
Security technologies
Core 2 Quad Q8300 and Core 2 Duo E6405 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q8300 and Core 2 Duo E6405 are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8300 and Core 2 Duo E6405. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | no data |
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 Q8300 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
Core 2 Duo E6405, on the other hand, has 46.2% lower power consumption.
We couldn't decide between Core 2 Quad Q8300 and Core 2 Duo E6405. We've got no test results to judge.
Note that Core 2 Quad Q8300 is a desktop processor while Core 2 Duo E6405 is a server/workstation one.
Should you still have questions on choice between Core 2 Quad Q8300 and Core 2 Duo E6405, 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.
