In depth comparison and review of Intel Core 2 Quad Q8400 and Intel Core i7 3555LE (3rd 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 2 Quad Q8400 | Intel Core i7 3555LE (3rd Gen) |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core 2 Quad Q8400 | Intel Core i7 3555LE (3rd Gen) |
|---|
| Type | Intel Core 2 Quad Q8400 | Intel Core i7 3555LE (3rd Gen) |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA775 Socket | FCBGA1023 Socket |
| Manufacturing Process | 45 nm | 22 nm |
| Thermal Design Power | 95 W | 25 W |
| Thermal Specification | 71.4 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8+2x4 |
| PCI Express Lanes Qty | - | 16 |
| Architecture Features | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 2 | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Fast Memory Access, Intel Flex Memory Access, Intel My WiFi 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), Intel Identity Protection Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Dual-Core |
|---|---|---|
| Number of Threads | - | 4 threads |
| Clock Speed (Frequency) | 2.66 GHz | 2.5 GHz |
| Max Turbo Speed | - | 3.2 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 4 MB | 4 MB |
|---|---|---|
| Cache Memory Details | L2 - 4 MB | Smart Cache - 4 MB |
| Installed Size | 4 MB | 4 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Core 2 Quad Q8400 | Intel Core i7 3555LE (3rd Gen) |
|---|
| Type | - | Intel HD Graphics 4000 |
|---|---|---|
| Base Frequency | - | 550 MHz |
| Max Dynamic Frequency | - | 1 GHz |
| Features | - | Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Triple Display Capable |
| EXPANSION & CONNECTIVITY | Intel Core 2 Quad Q8400 | Intel Core i7 3555LE (3rd Gen) |
|---|
| Compatible Slots | 1 x processor - LGA775 Socket | - |
|---|
| MISCELLANEOUS | Intel Core 2 Quad Q8400 | Intel Core i7 3555LE (3rd Gen) |
|---|
| Service & Support | Limited warranty - 3 years | - |
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