In depth comparison and review of Intel Core i5 2540M (2nd Gen) and Intel Core i7 640M. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
GENERAL | Intel Core i5 2540M (2nd Gen) | Intel Core i7 640M |
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Product Type | Processor | Processor (mobile) |
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PROCESSOR | Intel Core i5 2540M (2nd Gen) | Intel Core i7 640M |
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Type | Intel Core i5 2540M (2nd Gen) | Intel Core i7 640M |
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ARCHITECTURE |
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Processor Qty | 1 | 1 |
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Packaging Type | - | 1288-ball BGA |
Compatible Processor Socket | BGA1023 Socket | PGA988 Socket |
Manufacturing Process | 32 nm | 32 nm |
Thermal Design Power | 35 W | 35 W |
Thermal Specification | 100 °C | - |
PCI Express Revision | 2.0 | 2.0 |
PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | 1x16 |
PCI Express Lanes Qty | 16 | 16 |
Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, 4G WiMAX Wireless Technology, Intel My WiFi Technology, Intel Anti-Theft Technology, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Intel Smart Cache, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access |
PERFORMANCE |
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Number of Cores | Dual-Core | Dual-Core |
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Number of Threads | 4 threads | 4 threads |
Clock Speed (Frequency) | 2.6 GHz | 2.8 GHz |
Max Turbo Speed | 3.3 GHz | 3.46 GHz |
Bus Speed | - | 667 MHz |
64-bit Computing | Yes | Yes |
CACHE MEMORY |
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Cache | 3 MB | 4 MB |
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Cache Memory Details | L3 - 3 MB | L3 - 4 MB |
Installed Size | 3 MB | 4 MB |
INTEGRATED GRAPHICS (GPU) | Intel Core i5 2540M (2nd Gen) | Intel Core i7 640M |
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Type | Intel HD Graphics 3000 | Intel HD Graphics with Dynamic Frequency |
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Base Frequency | 650 MHz | 500 MHz |
Max Dynamic Frequency | 1.3 GHz | 766 MHz |
Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi) | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology |
EXPANSION & CONNECTIVITY | Intel Core i5 2540M (2nd Gen) | Intel Core i7 640M |
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Compatible Slots | 1 x processor | 1 x processor |
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MISCELLANEOUS | Intel Core i5 2540M (2nd Gen) | Intel Core i7 640M |
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Included Accessories | Heat sink | - |
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Compliant Standards | Halogen-free | - |
Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |