Core 2 Extreme X7800 vs Xeon E3-1275 v5
Aggregate performance score
Xeon E3-1275 v5 outperforms Core 2 Extreme X7800 by a whopping 638% based on our aggregate benchmark results.
Primary details
Comparing Xeon E3-1275 v5 and Core 2 Extreme X7800 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1175 | 2689 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.17 | no data |
| Market segment | Server | Laptop |
| Series | Intel Xeon E3 | Intel Core 2 Extreme |
| Power efficiency | 6.26 | 1.54 |
| Architecture codename | Skylake-DT (2015) | Merom XE (2007) |
| Release date | 19 October 2015 (9 years ago) | 17 July 2007 (17 years ago) |
| Launch price (MSRP) | $350 | $851 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E3-1275 v5 and Core 2 Extreme X7800 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 8 | 2 |
| Base clock speed | 3.6 GHz | 2.6 GHz |
| Boost clock speed | 4 GHz | 2.6 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | 800 MHz |
| Multiplier | 36 | no data |
| L1 cache | 256 KB | 128 KB |
| L2 cache | 1 MB | 4 MB |
| L3 cache | 8 MB (shared) | 4 MB L2 Cache |
| Chip lithography | 14 nm | 65 nm |
| Die size | 122 mm2 | 143 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 1,750 million | 291 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.1V-1.375V |
Compatibility
Information on Xeon E3-1275 v5 and Core 2 Extreme X7800 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | no data |
| Socket | FCLGA1151 | PPGA478 |
| Power consumption (TDP) | 80 Watt | 44 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E3-1275 v5 and Core 2 Extreme X7800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | no data | - |
| FSB parity | no data | - |
Security technologies
Xeon E3-1275 v5 and Core 2 Extreme X7800 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| Secure Key | + | no data |
| MPX | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E3-1275 v5 and Core 2 Extreme X7800 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E3-1275 v5 and Core 2 Extreme X7800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-1866/2133, DDR3L-1333/1600 | no data |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 34.134 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics P530 | no data |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.15 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Xeon E3-1275 v5 and Core 2 Extreme X7800 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| DVI | + | no data |
Graphics image quality
Maximum display resolutions supported by Xeon E3-1275 v5 and Core 2 Extreme X7800 integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
| Max resolution over VGA | N/A | no data |
Graphics API support
APIs supported by Xeon E3-1275 v5 and Core 2 Extreme X7800 integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.4 | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon E3-1275 v5 and Core 2 Extreme X7800.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 5.39 | 0.73 |
| Recency | 19 October 2015 | 17 July 2007 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 14 nm | 65 nm |
| Power consumption (TDP) | 80 Watt | 44 Watt |
Xeon E3-1275 v5 has a 638.4% higher aggregate performance score, an age advantage of 8 years, 100% more physical cores and 300% more threads, and a 364.3% more advanced lithography process.
Core 2 Extreme X7800, on the other hand, has 81.8% lower power consumption.
The Xeon E3-1275 v5 is our recommended choice as it beats the Core 2 Extreme X7800 in performance tests.
Be aware that Xeon E3-1275 v5 is a server/workstation processor while Core 2 Extreme X7800 is a notebook one.
Should you still have questions on choice between Xeon E3-1275 v5 and Core 2 Extreme X7800, ask them in Comments section, and we shall answer.
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