Xeon E6540 vs Phenom II X4 945 (95W)
Primary details
Comparing Phenom II X4 945 (95W) and Xeon E6540 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Architecture codename | Deneb (2009−2011) | no data |
| Release date | 22 July 2009 (15 years ago) | 1 January 2010 (14 years ago) |
Detailed specifications
Phenom II X4 945 (95W) and Xeon E6540 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) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | 3 GHz | 2 GHz |
| Boost clock speed | 3 GHz | 2.27 GHz |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 6 MB (shared) | 18 MB L3 Cache |
| Chip lithography | 45 nm | 45 nm |
| Die size | 258 mm2 | no data |
| Number of transistors | 758 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X4 945 (95W) and Xeon E6540 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 | no data |
| Socket | AM3 | FCLGA1567 |
| Power consumption (TDP) | 95 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 945 (95W) and Xeon E6540. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 1.0 |
| Hyper-Threading Technology | no data | + |
Security technologies
Phenom II X4 945 (95W) and Xeon E6540 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 945 (95W) and Xeon E6540 are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 945 (95W) and Xeon E6540. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Phenom II X4 945 (95W) and Xeon E6540.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Recency | 22 July 2009 | 1 January 2010 |
| Physical cores | 4 | 6 |
| Threads | 4 | 12 |
| Power consumption (TDP) | 95 Watt | 105 Watt |
Phenom II X4 945 (95W) has 10.5% lower power consumption.
Xeon E6540, on the other hand, has an age advantage of 5 months, and 50% more physical cores and 200% more threads.
We couldn't decide between Phenom II X4 945 (95W) and Xeon E6540. We've got no test results to judge.
Note that Phenom II X4 945 (95W) is a desktop processor while Xeon E6540 is a server/workstation one.
Should you still have questions on choice between Phenom II X4 945 (95W) and Xeon E6540, ask them in Comments section, and we shall answer.
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