In depth comparison and review of Intel Xeon E7-4820V2 and Intel Core 2 Quad Q8400. 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 Xeon E7-4820V2 | Intel Core 2 Quad Q8400 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7-4820V2 | Intel Core 2 Quad Q8400 |
|---|
| Type | Intel Xeon E7-4820V2 | Intel Core 2 Quad Q8400 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA775 Socket |
| Manufacturing Process | 22 nm | 45 nm |
| Thermal Design Power | 105 W | 95 W |
| Thermal Specification | - | 71.4 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Configurations | X16, x4, x8 | - |
| PCI Express Lanes Qty | 32 | - |
| Architecture Features | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 2 |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | - |
| Clock Speed (Frequency) | 2 GHz | 2.66 GHz |
| Max Turbo Speed | 2.5 GHz | - |
| Bus Speed | - | 1333 MHz |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 16 MB | 4 MB |
|---|---|---|
| Cache Memory Details | 16 MB | L2 - 4 MB |
| Installed Size | 16 MB | 4 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E7-4820V2 | Intel Core 2 Quad Q8400 |
|---|
| Expansion Slots | 24 (total) / 24 (free) x memory - DIMM 240-pin | - |
|---|---|---|
| Compatible Slots | - | 1 x processor - LGA775 Socket |
| MISCELLANEOUS | Intel Xeon E7-4820V2 | Intel Core 2 Quad Q8400 |
|---|
| Included Accessories | Passive heatsink | - |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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