Side by side comparison and review of Intel Xeon E7-8837 and Intel Xeon E5640. 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 E7-8837 | Intel Xeon E5640 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7-8837 | Intel Xeon E5640 |
|---|
| Type | Intel Xeon E7-8837 | Intel Xeon E5640 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1567 Socket | LGA1366 Socket |
| Core Voltage | - | 0.8 V - 1.3 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 130 W | 80 W |
| Thermal Specification | 69 °C | 77.6 °C |
| Architecture Features | Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | 8 threads |
| Clock Speed (Frequency) | 2.66 GHz | 2.66 GHz |
| Max Turbo Speed | 2.8 GHz | 2.93 GHz |
| Bus Speed | 3200 MHz | 1066 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 24 MB | 12 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 24 MB | L2 - 1 MB |
| Installed Size | 24 MB | 12 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E7-8837 | Intel Xeon E5640 |
|---|
| Compatible Slots | 1 x processor - LGA1567 Socket | 1 x processor |
|---|
| MISCELLANEOUS | Intel Xeon E7-8837 | Intel Xeon E5640 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 3 years | Limited warranty - 1 year - on-site |
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