Ryzen 9 7940HS vs EPYC 9454P
Aggregate performance score
EPYC 9454P outperforms Ryzen 9 7940HS by a whopping 216% based on our aggregate benchmark results.
Primary details
Comparing EPYC 9454P and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 12 | 264 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Laptop |
| Series | AMD EPYC | no data |
| Architecture codename | Genoa | Phoenix-HS (Zen 4) |
| Release date | 10 November 2022 (1 year ago) | January 2023 (1 year ago) |
| Launch price (MSRP) | $4,598 | no data |
Detailed specifications
EPYC 9454P and Ryzen 9 7940HS 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) | 8 (Octa-Core) |
| Threads | 96 | 16 |
| Base clock speed | 2.75 GHz | 4 GHz |
| Boost clock speed | 3.8 GHz | 5.2 GHz |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 256 MB (shared) | 16 MB (shared) |
| Chip lithography | 5 nm, 6 nm | 4 nm |
| Die size | 8x 72 mm2 | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 52,560 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | No | No |
Compatibility
Information on EPYC 9454P and Ryzen 9 7940HS 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 | 1 |
| Socket | SP5 | FP8 |
| Power consumption (TDP) | 290 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9454P and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | DDR5-5600/LPDDR5x-7500 RAM (incl. ECC), PCIe 4, Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | no data | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9454P and Ryzen 9 7940HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 9454P and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800 | DDR5 |
| Maximum memory size | 6 TiB | no data |
| Maximum memory bandwidth | 460.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 780M |
Peripherals
Specifications and connection of peripherals supported by EPYC 9454P and Ryzen 9 7940HS.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 128 | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
EPYC 9454P outperforms Ryzen 9 7940HS by 216% based on our aggregate benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
EPYC 9454P outperforms Ryzen 9 7940HS by 216% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Ryzen 9 7940HS outperforms EPYC 9454P by 29% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
EPYC 9454P outperforms Ryzen 9 7940HS by 51% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 62.15 | 19.68 |
| Physical cores | 48 | 8 |
| Threads | 96 | 16 |
| Chip lithography | 5 nm | 4 nm |
| Power consumption (TDP) | 290 Watt | 35 Watt |
The EPYC 9454P is our recommended choice as it beats the Ryzen 9 7940HS in performance tests.
Be aware that EPYC 9454P is a server/workstation processor while Ryzen 9 7940HS is a notebook one.
Should you still have questions on choice between EPYC 9454P and Ryzen 9 7940HS, ask them in Comments section, and we shall answer.
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