Side by side comparison and review of Intel Core i7 Extreme Edition 3940XM (3rd Gen) and Intel Xeon X5450. 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 X5450 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon X5450 |
|---|
| Type | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon X5450 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | PGA988 Socket | LGA771 Socket |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 55 W | 120 W |
| Thermal Specification | 105 °C | 70 °C |
| 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) | Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Advanced Smart Cache |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | - |
| Clock Speed (Frequency) | 3 GHz | 3 GHz |
| Max Turbo Speed | 3.9 GHz | - |
| Bus Speed | - | 1333 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 12 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L2 - 12 MB |
| Installed Size | 8 MB | 12 MB |
| Type | - | Advanced Smart Cache |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon X5450 |
|---|
| 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 | - |
| EXPANSION & CONNECTIVITY | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon X5450 |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Xeon X5450 |
|---|
| Included Accessories | - | Alcohol pad, thermal grease |
|---|---|---|
| Service & Support | - | Limited warranty - 90 days |
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