Core i7-640M vs Pentium M 765
Primary details
Comparing Pentium M 765 and Core i7-640M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 2178 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Pentium M | Intel Core i7 |
| Architecture codename | Dothan (2004−2005) | Arrandale (2010−2011) |
| Release date | October 2004 (19 years ago) | 13 September 2010 (13 years ago) |
| Launch price (MSRP) | no data | $346 |
Detailed specifications
Pentium M 765 and Core i7-640M 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 4 |
| Base clock speed | no data | 2.8 GHz |
| Boost clock speed | 2.1 GHz | 2.8 GHz |
| Bus support | 400 MHz | 1 × 2.5 GT/s |
| L1 cache | 32 KB | 128 KB |
| L2 cache | 2 MB | 512 KB |
| L3 cache | 0 KB | 4 MB |
| Chip lithography | 90 nm | 32 nm |
| Die size | 84 mm2 | 81+114 mm2 |
| Maximum core temperature | no data | 105 °C |
| Number of transistors | 140 million | 382+177 Million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium M 765 and Core i7-640M 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 | 479 | BGA1288, PGA988 |
| Power consumption (TDP) | 21 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium M 765 and Core i7-640M. You'll probably need this information if you require some particular technology.
| AES-NI | no data | + |
| FMA | no data | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | + |
| Hyper-Threading Technology | no data | + |
Security technologies
Pentium M 765 and Core i7-640M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium M 765 and Core i7-640M are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium M 765 and Core i7-640M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 8 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17.051 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics |
Peripherals
Specifications and connection of peripherals supported by Pentium M 765 and Core i7-640M.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 19%
Core i7-640M outperforms Pentium M 765 by 102% in Cinebench 10 32-bit single-core.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Benchmark coverage: 18%
Core i7-640M outperforms Pentium M 765 by 283% in 3DMark06 CPU.
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 4 |
| Chip lithography | 90 nm | 32 nm |
| Power consumption (TDP) | 21 Watt | 35 Watt |
Pentium M 765 has 66.7% lower power consumption.
i7-640M, on the other hand, has 100% more physical cores and 300% more threads, and a 181.3% more advanced lithography process.
We couldn't decide between Pentium M 765 and Core i7-640M. We've got no test results to judge.
Should you still have questions on choice between Pentium M 765 and Core i7-640M, ask them in Comments section, and we shall answer.
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