In depth comparison and review of Intel Core i7 640M and Intel Core i7 6700K (6th Gen). 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 i7 640M | Intel Core i7 6700K (6th Gen) |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 640M | Intel Core i7 6700K (6th Gen) |
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| Type | Intel Core i7 640M | Intel Core i7 6700K (6th Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 1288-ball BGA | - |
| Compatible Processor Socket | PGA988 Socket | LGA1151 Socket |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 35 W | 91 W |
| PCI Express Revision | 2.0 | 3.0 |
| PCI Express Configurations | 1x16 | 1x16, 2x8, 1x8+2x4 |
| PCI Express Lanes Qty | 16 | 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 | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Turbo Boost Technology 2.0, Intel My WiFi Technology, Intel Anti-Theft Technology, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel OS Guard |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 4 threads | 8 threads |
| Clock Speed (Frequency) | 2.8 GHz | 4 GHz |
| Max Turbo Speed | 3.46 GHz | 4.2 GHz |
| Bus Speed | 667 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 4 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 4 MB | Smart Cache - 8 MB |
| Installed Size | 4 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 640M | Intel Core i7 6700K (6th Gen) |
|---|
| Type | Intel HD Graphics with Dynamic Frequency | Intel HD Graphics 530 |
|---|---|---|
| Base Frequency | 500 MHz | 350 MHz |
| Max Dynamic Frequency | 766 MHz | 1.15 GHz |
| Max Supported Memory Size | - | 64 GB |
| Max Supported Resolution | - | 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology | Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider, Triple Display Capable |
| EXPANSION & CONNECTIVITY | Intel Core i7 640M | Intel Core i7 6700K (6th Gen) |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Core i7 640M | Intel Core i7 6700K (6th Gen) |
|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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