Xeon Gold 5403N vs Athlon II X4 645
Primary details
Comparing Athlon II X4 645 and Xeon Gold 5403N processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2149 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 3.30 | no data |
| Market segment | Desktop processor | Server |
| Power efficiency | 1.47 | no data |
| Architecture codename | Propus (2009−2011) | no data |
| Release date | 21 September 2010 (14 years ago) | 1 October 2023 (1 year ago) |
| Launch price (MSRP) | $80 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 645 and Xeon Gold 5403N 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) | 12 (Dodeca-Core) |
| Threads | 4 | 24 |
| Base clock speed | 3.1 GHz | 2 GHz |
| Boost clock speed | 3.1 GHz | 3.9 GHz |
| L1 cache | 128 KB (per core) | no data |
| L2 cache | 512 KB (per core) | no data |
| L3 cache | 0 KB | 22.5 MB |
| Chip lithography | 45 nm | Intel 7 nm |
| Die size | 169 mm2 | no data |
| Maximum core temperature | no data | 85 °C |
| Number of transistors | 300 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Athlon II X4 645 and Xeon Gold 5403N 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 | FCLGA4677 |
| Power consumption (TDP) | 95 Watt | 115 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 645 and Xeon Gold 5403N. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX2, Intel® AVX-512, Intel® AVX |
| AES-NI | - | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
Athlon II X4 645 and Xeon Gold 5403N technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 645 and Xeon Gold 5403N 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 Athlon II X4 645 and Xeon Gold 5403N. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-4000 |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 645 and Xeon Gold 5403N.
| PCIe version | 2.0 | 4 |
| PCI Express lanes | no data | 48 |
Pros & cons summary
| Recency | 21 September 2010 | 1 October 2023 |
| Physical cores | 4 | 12 |
| Threads | 4 | 24 |
| Power consumption (TDP) | 95 Watt | 115 Watt |
Athlon II X4 645 has 21.1% lower power consumption.
Xeon Gold 5403N, on the other hand, has an age advantage of 13 years, and 200% more physical cores and 500% more threads.
We couldn't decide between Athlon II X4 645 and Xeon Gold 5403N. We've got no test results to judge.
Note that Athlon II X4 645 is a desktop processor while Xeon Gold 5403N is a server/workstation one.
Should you still have questions on choice between Athlon II X4 645 and Xeon Gold 5403N, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
