Side by side comparison and review of Intel Core i7 Extreme Edition 3940XM (3rd Gen) and Intel Xeon E3-1280V3. 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 Extreme Edition 3940XM (3rd Gen) | Intel Xeon E3-1280V3 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon E3-1280V3 |
|---|
| Type | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon E3-1280V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | PGA988 Socket | LGA1150 Socket |
| Manufacturing Process | 22 nm | 22 nm |
| Thermal Design Power | 55 W | 82 W |
| Thermal Specification | 105 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8, 2x4 |
| PCI Express Lanes Qty | - | 16 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, integrated memory controller, 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, 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, Idle States, Intel VT-x with Extended Page Tables (EPT) | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 3 GHz | 3.6 GHz |
| Max Turbo Speed | 3.9 GHz | 4 GHz |
| Bus Speed | - | 1600 MHz |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L3 - TLC NAND Flash - 8 MB |
| Installed Size | 8 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon E3-1280V3 |
|---|
| Type | Intel HD Graphics 4000 | - |
|---|---|---|
| Base Frequency | 650 MHz | - |
| Max Dynamic Frequency | 1.35 GHz | - |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider | - |
| MISCELLANEOUS | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon E3-1280V3 |
|---|
| Compliant Standards | - | RoHS |
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