Side by side comparison and review of Intel Core i7 3840QM (3rd Gen) and Intel Core i5 520M. 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 3840QM (3rd Gen) | Intel Core i5 520M |
|---|
| Product Type | Processor (mobile) | Processor (mobile) |
|---|
| PROCESSOR | Intel Core i7 3840QM (3rd Gen) | Intel Core i5 520M |
|---|
| Type | Intel Core i7 3840QM (3rd Gen) | Intel Core i5 520M |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | 988-pin Micro FCPGA |
| Compatible Processor Socket | PGA988 Socket | BGA1288 Socket |
| Manufacturing Process | 22 nm | 32 nm |
| Thermal Design Power | 45 W | 35 W |
| Thermal Specification | 105 °C | 105 °C |
| PCI Express Revision | 3.0 | 2.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8+2x4 | 1x16 |
| PCI Express Lanes Qty | 16 | 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) | Hyper-Threading Technology, Intel Turbo Boost Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Dual-Core |
|---|---|---|
| Number of Threads | 8 threads | 4 threads |
| Clock Speed (Frequency) | 2.8 GHz | 2.4 GHz |
| Max Turbo Speed | 3.8 GHz | 2.93 GHz |
| Bus Speed | - | 667 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 3 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | L3 - 3 MB |
| Installed Size | 8 MB | 3 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core i7 3840QM (3rd Gen) | Intel Core i5 520M |
|---|
| Type | Intel HD Graphics 4000 | Intel HD Graphics |
|---|---|---|
| Base Frequency | 650 MHz | 500 MHz |
| Max Dynamic Frequency | 1.3 GHz | 766 MHz |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider, Triple Display Capable | Dual Display Capable, Intel Clear Video Technology, Intel Clear Video HD Technology |
| EXPANSION & CONNECTIVITY | Intel Core i7 3840QM (3rd Gen) | Intel Core i5 520M |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Core i7 3840QM (3rd Gen) | Intel Core i5 520M |
|---|
| Compliant Standards | Halogen-free | - |
|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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