Xeon 6503P-B vs EPYC 8434PN
Primary details
Comparing EPYC 8434PN and Xeon 6503P-B 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 |
| Designer | AMD | Intel |
| Architecture codename | Siena (2023−2024) | Granite Rapids (2024−2025) |
| Release date | 18 September 2023 (1 year ago) | 24 February 2025 (recently) |
| Launch price (MSRP) | $3,150 | $934 |
Detailed specifications
EPYC 8434PN and Xeon 6503P-B 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 | 48 (Octatetraconta-Core) | 12 (Dodeca-Core) |
| Threads | 96 | 24 |
| Base clock speed | 2 GHz | 2 GHz |
| Boost clock speed | 3 GHz | 3.5 GHz |
| L1 cache | 64 KB (per core) | 112 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 128 MB (shared) | 48 MB (shared) |
| Chip lithography | 5 nm | 5 nm |
| Die size | 4x 73 mm2 | 598 mm2 |
| Maximum case temperature (TCase) | 85 °C | 85 °C |
| Number of transistors | 35,500 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC 8434PN and Xeon 6503P-B 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 | SP6 | Intel BGA 4368 |
| Power consumption (TDP) | 155 Watt | 110 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 8434PN and Xeon 6503P-B. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
Security technologies
EPYC 8434PN and Xeon 6503P-B technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 8434PN and Xeon 6503P-B are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 8434PN and Xeon 6503P-B. 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 EPYC 8434PN and Xeon 6503P-B.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 96 | 32 |
Pros & cons summary
| Recency | 18 September 2023 | 24 February 2025 |
| Physical cores | 48 | 12 |
| Threads | 96 | 24 |
| Power consumption (TDP) | 155 Watt | 110 Watt |
EPYC 8434PN has 300% more physical cores and 300% more threads.
Xeon 6503P-B, on the other hand, has an age advantage of 1 year, and 40.9% lower power consumption.
We couldn't decide between AMD EPYC 8434PN and Intel Xeon 6503P-B. We've got no test results to judge.
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