Side by side comparison and review of Intel Xeon E5-1650 and Intel Xeon E3-1280. 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 Xeon E5-1650 | Intel Xeon E3-1280 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-1650 | Intel Xeon E3-1280 |
|---|
| Type | Intel Xeon E5-1650 | Intel Xeon E3-1280 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA1155 Socket |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 130 W | 95 W |
| Thermal Specification | 64 °C | 73.6 °C |
| PCI Express Revision | 3.0 | 2.0 |
| PCI Express Lanes Qty | 40 | 20 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, 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 TSX-NI | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 8 threads |
| Clock Speed (Frequency) | 3.2 GHz | 3.5 GHz |
| Max Turbo Speed | 3.8 GHz | 3.9 GHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 12 MB | 8 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 12 MB | L3 - 8 MB L2 - 1 MB |
| Installed Size | 12 MB | 8 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-1650 | Intel Xeon E3-1280 |
|---|
| Compatible Slots | - | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E5-1650 | Intel Xeon E3-1280 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | Lead-Free, halogen-free | RoHS |
| Service & Support | - | Limited warranty - 3 years |
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