Athlon 64 LE-1640 vs Xeon X5647
Primary details
Comparing Xeon X5647 and Athlon 64 LE-1640 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1699 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.75 | no data |
| Market segment | Server | Desktop processor |
| Power efficiency | 2.03 | no data |
| Architecture codename | Westmere-EP (2010−2011) | Orleans (2007−2009) |
| Release date | 14 February 2011 (13 years ago) | 7 January 2009 (16 years ago) |
| Launch price (MSRP) | $175 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon X5647 and Athlon 64 LE-1640 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) | 1 (Single-Core) |
| Threads | 8 | 1 |
| Base clock speed | 2.93 GHz | 2.6 GHz |
| Boost clock speed | 3.2 GHz | 2.6 GHz |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512K |
| L3 cache | 12 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 90 nm |
| Die size | 239 mm2 | 101.3 mm2 |
| Maximum core temperature | 80 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | 1,170 million | 154 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon X5647 and Athlon 64 LE-1640 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 | 2 | 1 |
| Socket | FCLGA1366,LGA1366 | AM2 |
| Power consumption (TDP) | 130 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon X5647 and Athlon 64 LE-1640. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 40 Bit | no data |
Security technologies
Xeon X5647 and Athlon 64 LE-1640 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 X5647 and Athlon 64 LE-1640 are enumerated here.
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon X5647 and Athlon 64 LE-1640. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
| Maximum memory size | 288 GB | no data |
| Max memory channels | 3 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Xeon X5647 and Athlon 64 LE-1640.
| PCIe version | 2.0 | 2.0 |
Pros & cons summary
| Recency | 14 February 2011 | 7 January 2009 |
| Physical cores | 4 | 1 |
| Threads | 8 | 1 |
| Chip lithography | 32 nm | 90 nm |
| Power consumption (TDP) | 130 Watt | 45 Watt |
Xeon X5647 has an age advantage of 2 years, 300% more physical cores and 700% more threads, and a 181.3% more advanced lithography process.
Athlon 64 LE-1640, on the other hand, has 188.9% lower power consumption.
We couldn't decide between Xeon X5647 and Athlon 64 LE-1640. We've got no test results to judge.
Be aware that Xeon X5647 is a server/workstation processor while Athlon 64 LE-1640 is a desktop one.
Should you still have questions on choice between Xeon X5647 and Athlon 64 LE-1640, ask them in Comments section, and we shall answer.
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