Core 2 Extreme X6800 vs Xeon W3580
Aggregate performance score
Xeon W3580 outperforms Core 2 Extreme X6800 by a whopping 225% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2124 | 3046 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.30 | 0.01 |
| Market segment | Server | Desktop processor |
| Series | no data | Core 2 Extreme (Desktop) |
| Power efficiency | 0.68 | 0.36 |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Bloomfield (2008−2010) | Conroe XE (2006) |
| Release date | 9 August 2009 (16 years ago) | 27 July 2006 (19 years ago) |
| Launch price (MSRP) | $215 | $999 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon W3580 has 2900% better value for money than Core 2 Extreme X6800.
Performance to price scatter graph
Detailed specifications
Basic parameters of Xeon W3580 and Core 2 Extreme (Desktop) X6800: 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 | 3.33 GHz | 2.933 GHz |
| Boost clock speed | 3.6 GHz | 0.93 GHz |
| Bus rate | no data | 1066 MHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 4 MB (shared) |
| L3 cache | 8 MB (shared) | 0 KB |
| Chip lithography | 45 nm | 65 nm |
| Die size | 263 mm2 | 143 mm2 |
| Maximum core temperature | 68 °C | no data |
| Maximum case temperature (TCase) | no data | 60 °C |
| Number of transistors | 731 million | 291 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon W3580 and Core 2 Extreme (Desktop) X6800 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 | 1 |
| Socket | FCLGA1366 | 775 |
| Power consumption (TDP) | 130 Watt | 75 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon W3580 and Core 2 Extreme (Desktop) X6800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 36 Bit | no data |
Security technologies
Xeon W3580 and Core 2 Extreme (Desktop) X6800 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon W3580 and Core 2 Extreme (Desktop) X6800 are enumerated here.
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon W3580 and Core 2 Extreme (Desktop) X6800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
| Maximum memory size | 24 GB | no data |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 32 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Xeon W3580 and Core 2 Extreme (Desktop) X6800.
| PCIe version | 2.0 | 2.0 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 2.08 | 0.64 |
| Recency | 9 August 2009 | 27 July 2006 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 45 nm | 65 nm |
| Power consumption (TDP) | 130 Watt | 75 Watt |
Xeon W3580 has a 225% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 300% more threads, and a 44% more advanced lithography process.
Core 2 Extreme X6800, on the other hand, has 73% lower power consumption.
The Intel Xeon W3580 is our recommended choice as it beats the Intel Core 2 Extreme X6800 in performance tests.
Be aware that Xeon W3580 is a server/workstation processor while Core 2 Extreme X6800 is a desktop one.
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