Xeon 6756E vs Athlon 64 X2 6400+ BE
Primary details
Comparing Athlon 64 X2 6400+ BE and Xeon 6756E processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Architecture codename | Windsor (2006−2007) | Sierra Forest (2024) |
| Release date | August 2007 (17 years ago) | 3 June 2024 (less than a year ago) |
Detailed specifications
Athlon 64 X2 6400+ BE and Xeon 6756E 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 | 2 (Dual-core) | 128 |
| Threads | 2 | 128 |
| Base clock speed | no data | 1.8 GHz |
| Boost clock speed | 3.2 GHz | 2.6 GHz |
| L1 cache | 256 KB | 96 KB (per core) |
| L2 cache | 1 MB | 4 MB (per module) |
| L3 cache | 0 KB | 96 MB (shared) |
| Chip lithography | 90 nm | 5 nm |
| Die size | 230 mm2 | no data |
| Maximum case temperature (TCase) | no data | 80 °C |
| Number of transistors | 227 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon 64 X2 6400+ BE and Xeon 6756E 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 | 2 |
| Socket | AM2 | 4710 |
| Power consumption (TDP) | 125 Watt | 225 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 X2 6400+ BE and Xeon 6756E. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
Athlon 64 X2 6400+ BE and Xeon 6756E technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 64 X2 6400+ BE and Xeon 6756E are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 6400+ BE and Xeon 6756E. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 X2 6400+ BE and Xeon 6756E.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 88 |
Pros & cons summary
| Physical cores | 2 | 128 |
| Threads | 2 | 128 |
| Chip lithography | 90 nm | 5 nm |
| Power consumption (TDP) | 125 Watt | 225 Watt |
Athlon 64 X2 6400+ BE has 80% lower power consumption.
Xeon 6756E, on the other hand, has 6300% more physical cores and 6300% more threads, and a 1700% more advanced lithography process.
We couldn't decide between Athlon 64 X2 6400+ BE and Xeon 6756E. We've got no test results to judge.
Note that Athlon 64 X2 6400+ BE is a desktop processor while Xeon 6756E is a server/workstation one.
Should you still have questions on choice between Athlon 64 X2 6400+ BE and Xeon 6756E, ask them in Comments section, and we shall answer.
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