Side by side comparison and review of Intel Xeon E3-1245 and Intel Core i7 Extreme Edition 3940XM (3rd Gen). 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 Xeon E3-1245 | Intel Core i7 Extreme Edition 3940XM (3rd Gen) |
|---|
| Product Type | Processor | Processor (mobile) |
|---|
| PROCESSOR | Intel Xeon E3-1245 | Intel Core i7 Extreme Edition 3940XM (3rd Gen) |
|---|
| Type | Intel Xeon E3-1245 | Intel Core i7 Extreme Edition 3940XM (3rd Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1155 Socket | PGA988 Socket |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 95 W | 55 W |
| Thermal Specification | 72.6 °C | 105 °C |
| PCI Express Revision | 2.0 | - |
| PCI Express Lanes Qty | 20 | - |
| Architecture Features | Hyper-Threading Technology, Intel Virtualization Technology, Intel Trusted Execution Technology | 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) |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 3.3 GHz | 3 GHz |
| Max Turbo Speed | 3.7 GHz | 3.9 GHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Level 1 Size | 256 KB | - |
| Cache Memory Details | L3 - 8 MB | L3 - 8 MB |
| Installed Size | 8 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E3-1245 | Intel Core i7 Extreme Edition 3940XM (3rd Gen) |
|---|
| Type | Intel HD Graphics P3000 | Intel HD Graphics 4000 |
|---|---|---|
| Base Frequency | 850 MHz | 650 MHz |
| Max Dynamic Frequency | 1.35 GHz | 1.35 GHz |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider |
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1245 | Intel Core i7 Extreme Edition 3940XM (3rd Gen) |
|---|
| Compatible Slots | 1 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E3-1245 | Intel Core i7 Extreme Edition 3940XM (3rd Gen) |
|---|
| Included Accessories | Heat sink | - |
|---|---|---|
| Compliant Standards | Halogen-free | - |
| Service & Support | Limited warranty - 3 years | - |
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