Side by side comparison and review of Intel Xeon E3-1220L and Intel Xeon E3-1281V3. 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 E3-1220L | Intel Xeon E3-1281V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1220L | Intel Xeon E3-1281V3 |
|---|
| Type | Intel Xeon E3-1220L | Intel Xeon E3-1281V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1155 Socket | LGA1150 Socket |
| Power Efficiency | Low-Power | - |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 20 W | 82 W |
| Thermal Specification | 77.5 °C | - |
| PCI Express Revision | 2.0 | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8, 2x4 |
| PCI Express Lanes Qty | 20 | 16 |
| Architecture Features | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 4 threads | 8 threads |
| Clock Speed (Frequency) | 2.2 GHz | 3.7 GHz |
| Max Turbo Speed | 3.4 GHz | 4.1 GHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 3 MB | 8 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 3 MB | L3 - 8 MB |
| Installed Size | 3 MB | 8 MB |
| RAM |
|---|
| Installed RAM Size | - | 32 GB |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1220L | Intel Xeon E3-1281V3 |
|---|
| Compatible Slots | 1 x processor - LGA1155 Socket | 1 x processor - LGA1150 Socket |
|---|
| MISCELLANEOUS | Intel Xeon E3-1220L | Intel Xeon E3-1281V3 |
|---|
| Compliant Standards | RoHS | RoHS |
|---|
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