Side by side comparison and review of Intel Core i7 640M and Intel Xeon E3-1235. 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 | Intel Xeon E3-1235 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 640M | Intel Xeon E3-1235 |
|---|
| Type | Intel Core i7 640M | Intel Xeon E3-1235 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | 1288-ball BGA | - |
| Compatible Processor Socket | PGA988 Socket | LGA1155 Socket |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 35 W | 95 W |
| Thermal Specification | - | 72.6 °C |
| PCI Express Revision | 2.0 | 2.0 |
| PCI Express Configurations | 1x16 | - |
| PCI Express Lanes Qty | 16 | 20 |
| 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 | Hyper-Threading Technology, integrated memory controller, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, 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 |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 4 threads | 8 threads |
| Clock Speed (Frequency) | 2.8 GHz | 3.2 GHz |
| Max Turbo Speed | 3.46 GHz | 3.6 GHz |
| Bus Speed | 667 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 4 MB | 8 MB |
|---|---|---|
| Cache Level 1 Size | - | 256 KB |
| Cache Memory Details | L3 - 4 MB | L3 - 8 MB |
| Installed Size | 4 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 640M | Intel Xeon E3-1235 |
|---|
| Type | Intel HD Graphics with Dynamic Frequency | Intel HD Graphics P3000 |
|---|---|---|
| Base Frequency | 500 MHz | 850 MHz |
| Max Dynamic Frequency | 766 MHz | 1.35 GHz |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video |
| EXPANSION & CONNECTIVITY | Intel Core i7 640M | Intel Xeon E3-1235 |
|---|
| Compatible Slots | 1 x processor | 1 x processor - LGA1155 Socket |
|---|
| MISCELLANEOUS | Intel Core i7 640M | Intel Xeon E3-1235 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | - | Halogen-free |
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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