Side by side comparison and review of Intel Core i7 640M and AMD Athlon II X4 631. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Intel Core i7 640M | AMD Athlon II X4 631 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 640M | AMD Athlon II X4 631 |
|---|
| Type | Intel Core i7 640M | AMD Athlon II X4 631 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 1288-ball BGA | - |
| Compatible Processor Socket | PGA988 Socket | Socket FM1 |
| Core Voltage | - | 0.45 V - 1.4125 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 35 W | 100 W |
| Thermal Specification | - | 70.1 °C |
| PCI Express Revision | 2.0 | - |
| PCI Express Configurations | 1x16 | - |
| PCI Express Lanes Qty | 16 | - |
| Architecture Features | 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 | 3DNow! Professional technology, streaming SIMD extensions, streaming SIMD extensions 2, MMX instructions set, HyperTransport technology, AMD64 technology, integrated memory controller, streaming SIMD extensions 3, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization, AMD CoolCore Technology |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 4 threads | - |
| Clock Speed (Frequency) | 2.8 GHz | 2.6 GHz |
| Max Turbo Speed | 3.46 GHz | - |
| Bus Speed | 667 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 4 MB | - |
|---|---|---|
| Cache Memory Details | L3 - 4 MB | L2 - 4 MB |
| Installed Size | 4 MB | 4 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 640M | AMD Athlon II X4 631 |
|---|
| Type | Intel HD Graphics with Dynamic Frequency | - |
|---|---|---|
| Base Frequency | 500 MHz | - |
| Max Dynamic Frequency | 766 MHz | - |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology | - |
| EXPANSION & CONNECTIVITY | Intel Core i7 640M | AMD Athlon II X4 631 |
|---|
| Compatible Slots | 1 x processor | 1 x processor - Socket FM1 |
|---|
| MISCELLANEOUS | Intel Core i7 640M | AMD Athlon II X4 631 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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