Xeon E7440 vs Core 2 Extreme QX6700
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2571 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Series | Core 2 Extreme (Desktop) | no data |
| Power efficiency | 0.39 | no data |
| Designer | Intel | Intel |
| Architecture codename | Kentsfield (2007) | no data |
| Release date | no data | 1 July 2008 (17 years ago) |
Detailed specifications
Core 2 Extreme (Desktop) QX6700 and Xeon E7440 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) | no data |
| Threads | 4 | no data |
| Base clock speed | no data | 2.4 GHz |
| Boost clock speed | 2.67 GHz | no data |
| Bus rate | 1066 MHz | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 8 MB (shared) | no data |
| L3 cache | 0 KB | 16 MB L2 Cache |
| Chip lithography | 65 nm | 45 nm |
| Die size | 2x 143 mm2 | no data |
| Maximum core temperature | no data | 68 °C |
| Maximum case temperature (TCase) | 64 °C | no data |
| Number of transistors | 582 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | no data | 0.9V-1.45V |
Compatibility
Information on Core 2 Extreme (Desktop) QX6700 and Xeon E7440 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 | 775 | PGA604 |
| Power consumption (TDP) | 130 Watt | 90 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6700 and Xeon E7440. 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 Extreme (Desktop) QX6700 and Xeon E7440 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 Extreme (Desktop) QX6700 and Xeon E7440 are enumerated here.
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme (Desktop) QX6700 and Xeon E7440. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | no data |
Pros & cons summary
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 130 Watt | 90 Watt |
Xeon E7440 has a 44.4% more advanced lithography process, and 44.4% lower power consumption.
We couldn't decide between Intel Core 2 Extreme QX6700 and Intel Xeon E7440. We've got no test results to judge.
Note that Core 2 Extreme QX6700 is a desktop processor while Xeon E7440 is a server/workstation one.
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