In depth comparison and review of Intel Core i7 Extreme Edition 3940XM (3rd Gen) and Intel Core i7 4900MQ (4th 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 Extreme Edition 3940XM (3rd Gen) | Intel Core i7 4900MQ (4th Gen) |
|---|
| Product Type | Processor (mobile) | Processor (mobile) |
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| PROCESSOR | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Core i7 4900MQ (4th Gen) |
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| Type | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Core i7 4900MQ (4th Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | PGA988 Socket | PGA946 Socket |
| Manufacturing Process | 22 nm | 22 nm |
| Thermal Design Power | 55 W | 47 W |
| Thermal Specification | 105 °C | 100 °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) | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel My WiFi Technology, Intel Anti-Theft Technology, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel Identity Protection Technology, Intel Secure Key |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 3 GHz | 2.8 GHz |
| Max Turbo Speed | 3.9 GHz | 3.8 GHz |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L3 - 8 MB |
| Installed Size | 8 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Core i7 4900MQ (4th Gen) |
|---|
| Type | Intel HD Graphics 4000 | Intel HD Graphics 4600 |
|---|---|---|
| Base Frequency | 650 MHz | 400 MHz |
| Max Dynamic Frequency | 1.35 GHz | 1.3 GHz |
| Max Supported Memory Size | - | 2 GB |
| Max Supported Resolution | - | 3840x2160@60Hz (DP), 2880x1800@60Hz (VGA), 3840x2160@60Hz (HDMI) |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider | Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider, Triple Display Capable |
| MISCELLANEOUS | Intel Core i7 Extreme Edition 3940XM (3rd Gen) | Intel Core i7 4900MQ (4th Gen) |
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| Service & Support | - | Limited warranty - 3 years |
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