Side by side comparison and review of Intel Core i7 3520M (3rd Gen) and Intel Core 2 Extreme QX9650. 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 3520M (3rd Gen) | Intel Core 2 Extreme QX9650 |
|---|
| Product Type | Processor (mobile) | Processor |
|---|
| PROCESSOR | Intel Core i7 3520M (3rd Gen) | Intel Core 2 Extreme QX9650 |
|---|
| Type | Intel Core i7 3520M (3rd Gen) | Intel Core 2 Extreme QX9650 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | PGA988 Socket | LGA775 Socket |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 35 W | 130 W |
| Thermal Specification | 105 °C | 64.5 °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, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0 | Enhanced SpeedStep technology, streaming SIMD extensions 2, streaming SIMD extensions 3, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Advanced Digital Media Boost, Intel Advanced Smart Cache, Intel Intelligent Power Capability, Intel Smart Memory Access, Intel Wide Dynamic Execution, supplemental streaming SIMD extensions 3, streaming SIMD extensions 4, Enhanced Halt State (C1E), Intel Thermal Monitor 2 |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 4 threads | - |
| Clock Speed (Frequency) | 2.9 GHz | 3 GHz |
| Max Turbo Speed | 3.6 GHz | - |
| Bus Speed | 1600 MHz | 1333 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 4 MB | 12 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 4 MB | L2 - 12 MB |
| Installed Size | 4 MB | 12 MB |
| Type | - | Advanced Smart Cache |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 3520M (3rd Gen) | Intel Core 2 Extreme QX9650 |
|---|
| Type | Intel HD Graphics 4000 | - |
|---|---|---|
| Base Frequency | 650 MHz | - |
| Max Dynamic Frequency | 1.25 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 3520M (3rd Gen) | Intel Core 2 Extreme QX9650 |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Core i7 3520M (3rd Gen) | Intel Core 2 Extreme QX9650 |
|---|
| Service & Support | - | Limited warranty - 90 days |
|---|
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