EPYC 7402P vs Ryzen 9 7940HX
Aggregate performance score
Ryzen 9 7940HX outperforms EPYC 7402P by a significant 23% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 162 | 241 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 12.25 |
| Market segment | Laptop | Server |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | AMD EPYC |
| Power efficiency | 23.45 | 5.84 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Dragon Range-HX (Zen 4) (2023−2024) | Zen 2 (2017−2020) |
| Release date | 17 January 2024 (1 year ago) | 7 August 2019 (6 years ago) |
| Launch price (MSRP) | no data | $1,250 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 9 7940HX and EPYC 7402P 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 | 16 (Hexadeca-Core) | 24 (Tetracosa-Core) |
| Threads | 32 | 48 |
| Base clock speed | 2.4 GHz | 2.8 GHz |
| Boost clock speed | 5.2 GHz | 3.35 GHz |
| Multiplier | no data | 28 |
| L1 cache | 64 KB (per core) | 96K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 64 MB (shared) | 128 MB (shared) |
| Chip lithography | 5 nm | 7 nm, 14 nm |
| Die size | 2x 71 mm2 | 192 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | 13,140 million | 4,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 7940HX and EPYC 7402P 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 (Uniprocessor) |
| Socket | FL1 | TR4 |
| Power consumption (TDP) | 55 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7940HX and EPYC 7402P. 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, AVX-512, 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 7940HX and EPYC 7402P are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940HX and EPYC 7402P. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 Eight-channel |
| Maximum memory size | no data | 4 TiB |
| Maximum memory bandwidth | no data | 204.763 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M (400 - 2200 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7940HX and EPYC 7402P.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 28 | no data |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 30.54 | 24.91 |
| Recency | 17 January 2024 | 7 August 2019 |
| Physical cores | 16 | 24 |
| Threads | 32 | 48 |
| Chip lithography | 5 nm | 7 nm |
| Power consumption (TDP) | 55 Watt | 180 Watt |
Ryzen 9 7940HX has a 22.6% higher aggregate performance score, an age advantage of 4 years, a 40% more advanced lithography process, and 227.3% lower power consumption.
EPYC 7402P, on the other hand, has 50% more physical cores and 50% more threads.
The AMD Ryzen 9 7940HX is our recommended choice as it beats the AMD EPYC 7402P in performance tests.
Be aware that Ryzen 9 7940HX is a notebook processor while EPYC 7402P is a server/workstation one.
Other comparisons
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