Side by side comparison and review of Intel Xeon E3-1246V3 and Intel Xeon E5-2643V3. 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 E3-1246V3 | Intel Xeon E5-2643V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1246V3 | Intel Xeon E5-2643V3 |
|---|
| Type | Intel Xeon E3-1246V3 | Intel Xeon E5-2643V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1150 Socket | LGA2011-v3 Socket |
| Core Voltage | - | 0.65 V - 1.30 V |
| Manufacturing Process | 22 nm | 22 nm |
| Thermal Design Power | 84 W | 135 W |
| Thermal Specification | - | 77 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8, 2x4 | X16, x4, x8 |
| PCI Express Lanes Qty | 16 | 40 |
| Architecture Features | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology | Integrated memory controller |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 6-core |
|---|---|---|
| Number of Threads | 8 threads | 12 threads |
| Clock Speed (Frequency) | 3.5 GHz | 3.4 GHz |
| Max Turbo Speed | 3.9 GHz | 3.7 GHz |
| Bus Speed | - | 4800 MHz |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 20 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | 20 MB |
| Installed Size | 8 MB | 20 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Xeon E3-1246V3 | Intel Xeon E5-2643V3 |
|---|
| Type | Intel HD Graphics P4600 | - |
|---|---|---|
| Base Frequency | 350 MHz | - |
| Max Dynamic Frequency | 1.2 GHz | - |
| Max Supported Memory Size | 1.7 GB | - |
| Max Supported Resolution | 3840x2160@60Hz (DP), 2880x1800@60Hz (VGA), 3840x2160@60Hz (HDMI) | - |
| Features | Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video | - |
| MISCELLANEOUS | Intel Xeon E3-1246V3 | Intel Xeon E5-2643V3 |
|---|
| Included Accessories | - | Additional fan |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | - | Limited warranty - 1 year |
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