Intel Xeon E3-1245 v5 vs Intel Xeon E3-1275 v5: comparison
Comparison of Intel Xeon E3-1245 v5 and Intel Xeon E3-1275 v5: key differences and a full specification table.
Key differences
Intel Xeon E3-1275 v5 has a higher base clock (3.6 GHz vs 3.5 GHz) and a higher maximum clock (4 GHz vs 3.9 GHz).
Both processors match on: core count (4), thread count (8), L3 cache (8 MB), TDP (80 W), process node (14 nm), maximum memory size (64 GB), memory channels (2), PCIe version (3), maximum integrated graphics clock (1.15 GHz).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Xeon E3-1245 v5 | Intel Xeon E3-1275 v5 |
|---|---|---|
| Cores / threads | 4 / 8 | 4 / 8 |
| Max boost clock | 3.9 GHz | 4 GHz |
| L3 cache | 8 MB | 8 MB |
| TDP | 80 W | 80 W |
| Process | 14 nm | 14 nm |
| Integrated graphics | Графическое решение Intel HD P530 | Графическое решение Intel HD P530 |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Xeon E3-1245 v5 | Intel Xeon E3-1275 v5 |
|---|---|---|
| General | ||
| Model | E3-1245V5 | E3-1275V5 |
| Codename | Skylake | Skylake |
| Segment | Server | Server |
| Product line | Семейство процессоров Intel Xeon E3 v5 | Семейство процессоров Intel Xeon E3 v5 |
| Process | 14 nm | 14 nm |
| Launch date | Q4 2015 | Q4 2015 |
| Status | Discontinued | Launched |
| Servicing status | End of Servicing Lifetime | End of Servicing Lifetime |
| End of servicing updates | 09/30/2022 | 09/30/2022 |
| Embedded options available | No | Yes |
| Use conditions | — | PC/Client/Tablet |
| CPU | ||
| Cores | 4 | 4 |
| Threads | 8 | 8 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 3.5 GHz | 3.6 GHz |
| Max boost clock | 3.9 GHz | 4 GHz |
| Turbo Boost 2.0 frequency | 3.9 GHz | 4 GHz |
| L3 cache | 8 MB | 8 MB |
| Bus speed | 8 GT/s | 8 GT/s |
| TDP | 80 W | 80 W |
| Turbo Boost | Yes (2) | Yes (2) |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2, AVX2 | SSE4.1, SSE4.2, AVX2 |
| Memory | ||
| Max memory size | 64 GB | 64 GB |
| Memory types | DDR4, DDR3L | DDR4, DDR3L |
| Memory channels | 2 | 2 |
| Max memory bandwidth | 34.1 GB/s | 34.1 GB/s |
| ECC memory supported | Yes | Yes |
| Graphics | ||
| Integrated graphics | Графическое решение Intel HD P530 | Графическое решение Intel HD P530 |
| Has integrated graphics | Yes | Yes |
| Graphics base frequency | 400 MHz | 400 MHz |
| Graphics max frequency | 1.15 GHz | 1.15 GHz |
| Graphics video max memory | 64 GB | 64 GB |
| Max displays | 3 | 3 |
| Max resolution (DP) | 4096x2304@60Hz | 4096x2304@60Hz |
| Max resolution (HDMI) | 4096x2304@24Hz | 4096x2304@24Hz |
| Max resolution (eDP) | 4096x2304@60Hz | 4096x2304@60Hz |
| DirectX | 12 | 12 |
| OpenGL | 4.4 | 4.4 |
| Graphics device ID | 0x191D | 0x191D |
| Quick Sync Video | Yes | Yes |
| Clear Video HD | Yes | Yes |
| Clear Video | Yes | Yes |
| Graphics output | eDP/DP/HDMI/DVI | eDP/DP/HDMI/DVI |
| InTru 3D | Yes | Yes |
| 4K support | Yes, at 60Hz | Yes, at 60Hz |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| PCI Express lanes | 16 | 16 |
| PCI Express configurations | 1x16, 2x8, 1x8+2x4 | 1x16, 2x8, 1x8+2x4 |
| Scalability | 1S Only | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA1151 | FCLGA1151 |
| Max CPU configuration | 1 | 1 |
| Package size | 37.5mm x 37.5mm | 37.5mm x 37.5mm |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| Extended Page Tables (EPT) | Yes | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | Yes | Yes |
| Secure Key | Yes | Yes |
| Intel OS Guard | Yes | Yes |
| Intel Boot Guard | Yes | Yes |
| Intel Software Guard Extensions | Yes | Yes |
| Intel Memory Protection Extensions | Yes | Yes |
| vPro Eligibility | Intel vPro Platform | Intel vPro Platform |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |
| Transactional Synchronization Extensions | Yes | Yes |