EPYC 9256 vs Ryzen 9 6900HS
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 737 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Power efficiency | 15.75 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Rembrandt-H (Zen 3+) (2022) | Venice (2004−2026) |
| Release date | January 2022 (4 years ago) | 23 July 2026 (less than a year ago) |
| Launch price (MSRP) | no data | $2,501 |
Detailed specifications
Basic parameters of Ryzen 9 6900HS and EPYC 9256: 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) | 24 (Tetracosa-Core) |
| Threads | 16 | 48 |
| Base clock speed | 3.3 GHz | 2.85 GHz |
| Boost clock speed | 4.9 GHz | 4.5 GHz |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 16 MB (shared) | 96 MB (shared) |
| Chip lithography | 6 nm | 2 nm |
| Die size | 208 mm2 | 8x 76 mm2 |
| Maximum core temperature | 95 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 9 6900HS and EPYC 9256 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 | FP7 | SP8 |
| Power consumption (TDP) | 35 Watt | 190 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 6900HS and EPYC 9256. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 6900HS and EPYC 9256 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 6900HS and EPYC 9256. 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 | AMD Radeon 680M ( - 2400 MHz) | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 6900HS and EPYC 9256.
| PCIe version | 4.0 | 6.0 |
| PCI Express lanes | 20 | 128 |
Pros & cons summary
| Physical cores | 8 | 24 |
| Threads | 16 | 48 |
| Chip lithography | 6 nm | 2 nm |
| Power consumption (TDP) | 35 Watt | 190 Watt |
Ryzen 9 6900HS has 443% lower power consumption.
EPYC 9256, on the other hand, has 200% more physical cores and 200% more threads, and a 200% more advanced lithography process.
We couldn't decide between AMD Ryzen 9 6900HS and AMD EPYC 9256. We've got no test results to judge.
Be aware that Ryzen 9 6900HS is a notebook processor while EPYC 9256 is a server/workstation one.
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