In depth comparison and review of Intel Pentium G645 and Intel Xeon E3-1226V3. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
| GENERAL | Intel Pentium G645 | Intel Xeon E3-1226V3 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Pentium G645 | Intel Xeon E3-1226V3 |
|---|
| Type | Intel Pentium G645 | Intel Xeon E3-1226V3 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1155 Socket | LGA1150 Socket |
| Manufacturing Process | 32 nm | 22 nm |
| Thermal Design Power | 65 W | 84 W |
| Thermal Specification | 69.1 °C | - |
| PCI Express Revision | 2.0 | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8, 2x4 |
| PCI Express Lanes Qty | - | 16 |
| Architecture Features | Enhanced SpeedStep technology, integrated memory controller, 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, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology |
| PERFORMANCE |
|---|
| Number of Cores | Dual-Core | Quad-Core |
|---|---|---|
| Number of Threads | 2 threads | 4 threads |
| Clock Speed (Frequency) | 2.9 GHz | 3.3 GHz |
| Max Turbo Speed | - | 3.7 GHz |
| CACHE MEMORY |
|---|
| Cache | 3 MB | 8 MB |
|---|---|---|
| Cache Memory Details | L3 - 3 MB | Smart Cache - 8 MB |
| Installed Size | 3 MB | 8 MB |
| INTEGRATED GRAPHICS (GPU) | Intel Pentium G645 | Intel Xeon E3-1226V3 |
|---|
| Type | Intel HD Graphics with Dynamic Frequency | Intel HD Graphics P4600 |
|---|---|---|
| Base Frequency | 850 MHz | 350 MHz |
| Max Dynamic Frequency | 1.1 GHz | 1.2 GHz |
| Max Supported Memory Size | - | 1.7 GB |
| Max Supported Resolution | - | 3840x2160@60Hz (DP), 2880x1800@60Hz (VGA), 3840x2160@60Hz (HDMI) |
| Features | Dual Display Capable, Intel FDI | Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Triple Display Capable |
| MISCELLANEOUS | Intel Pentium G645 | Intel Xeon E3-1226V3 |
|---|
| Included Accessories | - | Heat pipe |
|---|---|---|
| Compliant Standards | - | RoHS |
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
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