Side by side comparison and review of Intel Core i3 2120 (2nd Gen) and Intel Xeon E5645. 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 Core i3 2120 (2nd Gen) | Intel Xeon E5645 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Core i3 2120 (2nd Gen) | Intel Xeon E5645 |
|---|
| Type | Intel Core i3 2120 (2nd Gen) | Intel Xeon E5645 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Max Supported Qty | - | 1 |
| Compatible Processor Socket | LGA1155 Socket | LGA1366 Socket |
| Core Voltage | - | 0.75 V - 1.35 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 65 W | 80 W |
| Thermal Specification | 69.1 °C | 76.2 °C |
| PCI Express Revision | 2.0 | - |
| PCI Express Lanes Qty | 16 | - |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology | Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | 6-core |
|---|---|---|
| Number of Threads | 4 threads | 12 threads |
| Clock Speed (Frequency) | 3.3 GHz | 2.4 GHz |
| Max Turbo Speed | - | 2.67 GHz |
| Bus Speed | - | 1333 MHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 3 MB | 12 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 3 MB | L2 - 6 x 256 KB L3 - 12 MB |
| Installed Size | 3 MB | 12 MB |
| Type | - | Advanced Smart Cache |
| INTEGRATED GRAPHICS (GPU) | Intel Core i3 2120 (2nd Gen) | Intel Xeon E5645 |
|---|
| Type | Intel HD Graphics 2000 | - |
|---|---|---|
| Base Frequency | 850 MHz | - |
| Max Dynamic Frequency | 1.1 GHz | - |
| Features | Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Insider | - |
| EXPANSION & CONNECTIVITY | Intel Core i3 2120 (2nd Gen) | Intel Xeon E5645 |
|---|
| Compatible Slots | 1 x processor - LGA1155 Socket | 1 x processor |
|---|
| MISCELLANEOUS | Intel Core i3 2120 (2nd Gen) | Intel Xeon E5645 |
|---|
| Included Accessories | Heat sink | Cooler (fansink) |
|---|---|---|
| Compliant Standards | RoHS | RoHS |
| Service & Support | Limited warranty - 3 years | 1-year warranty |
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