Xeon 6979P vs Silver 3508U
Primary details
Comparing Xeon Silver 3508U and Xeon 6979P 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 | Server | Server |
| Architecture codename | Sapphire Rapids (2023−2024) | Granite Rapids (2024) |
| Release date | 14 December 2023 (less than a year ago) | 24 September 2024 (less than a year ago) |
| Launch price (MSRP) | $415 | no data |
Detailed specifications
Xeon Silver 3508U and Xeon 6979P 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 | 8 (Octa-Core) | 120 |
| Threads | 16 | 240 |
| Base clock speed | 2.1 GHz | 2.1 GHz |
| Boost clock speed | 2.2 GHz | 3.9 GHz |
| L1 cache | 80 KB (per core) | 112 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 22.5 MB (shared) | 504 MB (shared) |
| Chip lithography | 10 nm | 5 nm |
| Maximum case temperature (TCase) | 83 °C | 80 °C |
| 64 bit support | + | + |
Compatibility
Information on Xeon Silver 3508U and Xeon 6979P 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 | 4677 | 7529 |
| Power consumption (TDP) | 125 Watt | 500 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Silver 3508U and Xeon 6979P. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | + |
Security technologies
Xeon Silver 3508U and Xeon 6979P technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Silver 3508U and Xeon 6979P are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Silver 3508U and Xeon 6979P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by Xeon Silver 3508U and Xeon 6979P.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 80 | 96 |
Pros & cons summary
| Recency | 14 December 2023 | 24 September 2024 |
| Physical cores | 8 | 120 |
| Threads | 16 | 240 |
| Chip lithography | 10 nm | 5 nm |
| Power consumption (TDP) | 125 Watt | 500 Watt |
Xeon Silver 3508U has 300% lower power consumption.
Xeon 6979P, on the other hand, has an age advantage of 9 months, 1400% more physical cores and 1400% more threads, and a 100% more advanced lithography process.
We couldn't decide between Xeon Silver 3508U and Xeon 6979P. We've got no test results to judge.
Should you still have questions on choice between Xeon Silver 3508U and Xeon 6979P, 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.
