Side by side comparison and review of Intel Xeon E3-1240 and Intel Xeon E7-4820. 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 E3-1240 | Intel Xeon E7-4820 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1240 | Intel Xeon E7-4820 |
|---|
| Type | Intel Xeon E3-1240 | Intel Xeon E7-4820 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1155 Socket | LGA1567 Socket |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 80 W | 105 W |
| Thermal Specification | 69.1 °C | 64 °C |
| PCI Express Revision | 2.0 | - |
| PCI Express Lanes Qty | 20 | - |
| Architecture Features | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 3.3 GHz | 2 GHz |
| Max Turbo Speed | 3.7 GHz | 2.27 GHz |
| Bus Speed | - | 2933 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 18 MB |
|---|---|---|
| Cache Level 1 Size | 256 KB | - |
| Cache Memory Details | L2 - 1 MB L3 - 8 MB |
L3 - 18 MB L2 - 8 x 256 KB |
| Installed Size | 8 MB | 18 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1240 | Intel Xeon E7-4820 |
|---|
| Compatible Slots | 1 x processor - LGA1155 Socket | 2 x processor - LGA1567 Socket |
|---|
| MISCELLANEOUS | Intel Xeon E3-1240 | Intel Xeon E7-4820 |
|---|
| Included Accessories | Heat sink | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 3 years | Limited warranty - 1 year |
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