C-30 vs i7-640LM
Primary details
Comparing Core i7-640LM and C-30 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2486 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | AMD C-Series |
| Power efficiency | 3.63 | no data |
| Architecture codename | Arrandale (2010−2011) | Ontario (2011−2012) |
| Release date | 7 January 2010 (14 years ago) | 4 January 2011 (13 years ago) |
| Launch price (MSRP) | $332 | no data |
Detailed specifications
Core i7-640LM and C-30 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 | 2.13 GHz | no data |
| Boost clock speed | 2.93 GHz | 1.2 GHz |
| Bus type | DMI 1.0 | no data |
| Bus rate | 1 × 2.5 GT/s | no data |
| Multiplier | 16 | no data |
| L1 cache | 64 KB (per core) | 64 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 4 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 40 nm |
| Die size | 81+177 mm2 | 75 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 382+177 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-640LM and C-30 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 | FT1 BGA 413-Ball |
| Power consumption (TDP) | 25 Watt | 9 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-640LM and C-30. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | 40 nm, 1.24-1.35V |
| AES-NI | + | - |
| FMA | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | + | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Core i7-640LM and C-30 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 i7-640LM and C-30 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-640LM and C-30. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-1066 | DDR3 Single-channel |
| 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 | AMD Radeon HD 6250 |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 566 MHz | no data |
Graphics interfaces
Available interfaces and connections of Core i7-640LM and C-30 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-640LM and C-30.
| 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.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
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 | 7 January 2010 | 4 January 2011 |
| Physical cores | 2 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 40 nm |
| Power consumption (TDP) | 25 Watt | 9 Watt |
i7-640LM has 100% more physical cores and 300% more threads, and a 25% more advanced lithography process.
C-30, on the other hand, has an age advantage of 11 months, and 177.8% lower power consumption.
We couldn't decide between Core i7-640LM and C-30. We've got no test results to judge.
Should you still have questions on choice between Core i7-640LM and C-30, ask them in Comments section, and we shall answer.
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