Core i7-2740QM 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 | 2520 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Core 2 Extreme (Desktop) | Intel Core i7 |
| Power efficiency | 0.39 | no data |
| Designer | Intel | Intel |
| Architecture codename | Kentsfield (2007) | Sandy Bridge (2011−2013) |
| Release date | no data | 4 September 2011 (14 years ago) |
Detailed specifications
Core 2 Extreme (Desktop) QX6700 and Core i7-2740QM 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) | 4 (Quad-Core) |
| Threads | 4 | 8 |
| Boost clock speed | 2.67 GHz | 2.3 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 1066 MHz | 4 × 5 GT/s |
| Multiplier | no data | 23 |
| L1 cache | 64K (per core) | 256 KB |
| L2 cache | 8 MB (shared) | 1 MB |
| L3 cache | 0 KB | 6 MB |
| Chip lithography | 65 nm | 32 nm |
| Die size | 2x 143 mm2 | 216 mm2 |
| Maximum case temperature (TCase) | 64 °C | no data |
| Number of transistors | 582 million | 1160 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core 2 Extreme (Desktop) QX6700 and Core i7-2740QM 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 | 1 (Uniprocessor) |
| Socket | 775 | Socket G2 |
| Power consumption (TDP) | 130 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6700 and Core i7-2740QM. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
Security technologies
Core 2 Extreme (Desktop) QX6700 and Core i7-2740QM technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme (Desktop) QX6700 and Core i7-2740QM 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 Extreme (Desktop) QX6700 and Core i7-2740QM. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3-1600 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 25.598 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 3000 |
Pros & cons summary
| Threads | 4 | 8 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 45 Watt |
i7-2740QM has 100% more threads, a 103.1% more advanced lithography process, and 188.9% lower power consumption.
We couldn't decide between Intel Core 2 Extreme QX6700 and Intel Core i7-2740QM. We've got no test results to judge.
Note that Core 2 Extreme QX6700 is a desktop processor while Core i7-2740QM is a notebook one.
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