In depth comparison and review of Intel Xeon E7-2803 and Intel Xeon E3-1220V6. 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 Xeon E7-2803 | Intel Xeon E3-1220V6 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7-2803 | Intel Xeon E3-1220V6 |
|---|
| Type | Intel Xeon E7-2803 | Intel Xeon E3-1220V6 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1567 Socket | LGA1151 Socket |
| Core Voltage | - | 0.55 V - 1.52 V |
| Manufacturing Process | 32 nm | 14 nm |
| Thermal Design Power | 105 W | 72 W |
| Thermal Specification | 64 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Configurations | - | 1x16, 2x8, 1x8+2x4 |
| PCI Express Lanes Qty | - | 16 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel AES New Instructions (AES-NI) | Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel OS Guard, Intel Software Guard Extensions (SGX), Intel Memory Protection Extensions (MPX), Intel Device Protection Technology with Boot Guard, Intel Optane Memory Supported |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 4 threads |
| Clock Speed (Frequency) | 1.73 GHz | 3 GHz |
| Max Turbo Speed | - | 3.5 GHz |
| Bus Speed | - | 2400 MHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 18 MB | 8 MB |
|---|---|---|
| Cache Memory Details | 18 MB | Smart Cache - 8 MB |
| Installed Size | 18 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E7-2803 | Intel Xeon E3-1220V6 |
|---|
| Expansion Slots | 2 processor - LGA1567 Socket | - |
|---|---|---|
| Compatible Slots | 1 x processor | - |
| MISCELLANEOUS | Intel Xeon E7-2803 | Intel Xeon E3-1220V6 |
|---|
| Compliant Standards | Halogen-free | - |
|---|
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