In depth comparison and review of Intel Xeon E5-4650 and Intel Xeon E5420. 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 E5-4650 | Intel Xeon E5420 |
|---|
| Product Type | Processor | Processor |
|---|---|---|
| Packaged Quantity | 2 (specifications are for single item) | - |
| PROCESSOR | Intel Xeon E5-4650 | Intel Xeon E5420 |
|---|
| Type | Intel Xeon E5-4650 | Intel Xeon E5420 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Packaging Type | - | FC-LGA6 |
| Compatible Processor Socket | LGA2011 Socket | LGA771 Socket |
| Core Voltage | 0.6 V - 1.35 V | 0.85 V - 1.35 V |
| Manufacturing Process | 32 nm | 45 nm |
| Thermal Design Power | 130 W | 80 W |
| Thermal Specification | - | 67 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Lanes Qty | 40 | - |
| Architecture Features | SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Enhanced SpeedStep technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | 4 threads |
| Clock Speed (Frequency) | 2.7 GHz | 2.5 GHz |
| Max Turbo Speed | 3.3 GHz | - |
| Bus Speed | 1600 MHz | 1333 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 20 MB | 12 MB |
|---|---|---|
| Cache Memory Details | 20 MB | L2 - 12 MB |
| Installed Size | 20 MB | 12 MB |
| Type | - | Advanced Smart Cache |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-4650 | Intel Xeon E5420 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E5-4650 | Intel Xeon E5420 |
|---|
| Included Accessories | Passive heatsink | Alcohol pad, thermal grease |
|---|---|---|
| Compliant Standards | Halogen-free | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 1 year - on-site |
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