In depth comparison and review of Intel Core i7 640M and Intel Core i5 10400F (10th 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 i5 10400F (10th Gen) |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| DIMENSIONS |
|---|
| Height | - | 10.1 cm |
|---|---|---|
| Width | - | 17 cm |
| Depth | - | 11.6 cm |
| Weight | - | 338 g |
| PROCESSOR | Intel Core i7 640M | Intel Core i5 10400F (10th Gen) |
|---|
| Type | Intel Core i7 640M | Intel Core i5 10400F (10th Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 1288-ball BGA | - |
| Compatible Processor Socket | PGA988 Socket | LGA1200 Socket |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 35 W | 65 W |
| Thermal Specification | - | 100 °C |
| 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 Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard, Intel Software Guard Extensions (SGX), Intel Optane Memory Supported, Intel Boot Guard |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | 6-core |
|---|---|---|
| Number of Threads | 4 threads | 12 threads |
| Clock Speed (Frequency) | 2.8 GHz | 2.9 GHz |
| Max Turbo Speed | 3.46 GHz | 4.3 GHz |
| Bus Speed | 667 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 4 MB | 12 MB |
|---|---|---|
| Cache Memory Details | L3 - 4 MB | Smart Cache - 12 MB |
| Installed Size | 4 MB | - |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 640M | Intel Core i5 10400F (10th Gen) |
|---|
| 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 | Intel Core i5 10400F (10th Gen) |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Core i7 640M | Intel Core i5 10400F (10th Gen) |
|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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