i7-2740QM vs Athlon II X4 640
Primary details
Comparing Athlon II X4 640 and Core i7-2740QM processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2196 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.92 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Core i7 |
| Power efficiency | 1.41 | no data |
| Architecture codename | Propus (2009−2011) | Sandy Bridge (2011−2013) |
| Release date | 11 May 2010 (14 years ago) | 4 September 2011 (13 years ago) |
| Launch price (MSRP) | $80 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 640 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 |
| Base clock speed | 3 GHz | no data |
| Boost clock speed | 3 GHz | 2.3 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 23 |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 512 KB (per core) | 1 MB |
| L3 cache | 0 KB | 6 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 169 mm2 | 216 mm2 |
| Number of transistors | 300 million | 1160 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II X4 640 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 | AM3 | Socket G2 |
| Power consumption (TDP) | 95 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 640 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) | no data | + |
Security technologies
Athlon II X4 640 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 Athlon II X4 640 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 Athlon II X4 640 and Core i7-2740QM. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | 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 |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 640 and Core i7-2740QM.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 11 May 2010 | 4 September 2011 |
| Threads | 4 | 8 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 95 Watt | 45 Watt |
i7-2740QM has an age advantage of 1 year, 100% more threads, a 40.6% more advanced lithography process, and 111.1% lower power consumption.
We couldn't decide between Athlon II X4 640 and Core i7-2740QM. We've got no test results to judge.
Note that Athlon II X4 640 is a desktop processor while Core i7-2740QM is a notebook one.
Should you still have questions on choice between Athlon II X4 640 and Core i7-2740QM, 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.
