Pentium M 735 vs i7-640M
Primary details
Comparing Core i7-640M and Pentium M 735 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2231 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Pentium M |
| Architecture codename | Arrandale (2010−2011) | Dothan (2004−2005) |
| Release date | 13 September 2010 (14 years ago) | 10 May 2004 (20 years ago) |
| Launch price (MSRP) | $346 | no data |
Detailed specifications
Core i7-640M and Pentium M 735 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 2.8 GHz | 1.7 GHz |
| Boost clock speed | 3.46 GHz | 1.7 GHz |
| Bus type | DMI 1.0 | no data |
| Bus rate | 1 × 2.5 GT/s | 400 MHz |
| Multiplier | 21 | no data |
| L1 cache | 128 KB | 32 KB |
| L2 cache | 512 KB | 2 MB |
| L3 cache | 4 MB | 0 KB |
| Chip lithography | 32 nm | 90 nm |
| Die size | 81+114 mm2 | 87 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 382+177 Million | 144 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 0.988V-1.34V |
Compatibility
Information on Core i7-640M and Pentium M 735 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 (Uniprocessor) | 1 |
| Socket | BGA1288,PGA988 | PPGA478 |
| Power consumption (TDP) | 35 Watt | 7.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-640M and Pentium M 735. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | + | - |
| FMA | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | + | - |
| Hyper-Threading Technology | + | - |
| Idle States | + | - |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | no data | - |
| PAE | 36 Bit | 32 Bit |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| FSB parity | no data | - |
| Status | Discontinued | Discontinued |
Security technologies
Core i7-640M and Pentium M 735 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-640M and Pentium M 735 are enumerated here.
| VT-d | + | no data |
| VT-x | + | - |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-640M and Pentium M 735. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
| Maximum memory size | 8 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 17.051 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | On certain motherboards (Chipset feature) |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 766 MHz | no data |
Graphics interfaces
Available interfaces and connections of Core i7-640M and Pentium M 735 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-640M and Pentium M 735.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
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.
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.
Pros & cons summary
| Recency | 13 September 2010 | 10 May 2004 |
| Physical cores | 2 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 90 nm |
| Power consumption (TDP) | 35 Watt | 7 Watt |
i7-640M has an age advantage of 6 years, 100% more physical cores and 300% more threads, and a 181.3% more advanced lithography process.
Pentium M 735, on the other hand, has 400% lower power consumption.
We couldn't decide between Core i7-640M and Pentium M 735. We've got no test results to judge.
Should you still have questions on choice between Core i7-640M and Pentium M 735, 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.
