Steam Deck CPU (LCD) vs Ryzen 9 5900
Primary details
Comparing Ryzen 9 5900 and Steam Deck CPU (LCD) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 239 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 31.52 | no data |
| Architecture codename | Vermeer (2020−2024) | Van Gogh (2022−2023) |
| Release date | 12 January 2021 (3 years ago) | 25 February 2022 (2 years ago) |
Detailed specifications
Ryzen 9 5900 and Steam Deck CPU (LCD) 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 | 12 (Dodeca-Core) | 4 (Quad-Core) |
| Threads | 24 | 8 |
| Base clock speed | 3 GHz | 2.4 GHz |
| Boost clock speed | 4.7 GHz | 3.5 GHz |
| Multiplier | 30 | no data |
| L1 cache | 768 KB | 64 KB (per core) |
| L2 cache | 6 MB | 512 KB (per core) |
| L3 cache | 64 MB | 4 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 7 nm |
| Die size | 81 mm2 | 163 mm2 |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 4,150 million | 2,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 5900 and Steam Deck CPU (LCD) 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 | AM4 | AMD BGA ST1 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900 and Steam Deck CPU (LCD). You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5900 and Steam Deck CPU (LCD) are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900 and Steam Deck CPU (LCD). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | Radeon Navi II 8CU |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900 and Steam Deck CPU (LCD).
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | no data | 8 |
Pros & cons summary
| Recency | 12 January 2021 | 25 February 2022 |
| Physical cores | 12 | 4 |
| Threads | 24 | 8 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Ryzen 9 5900 has 200% more physical cores and 200% more threads.
Steam Deck CPU (LCD), on the other hand, has an age advantage of 1 year, and 333.3% lower power consumption.
We couldn't decide between Ryzen 9 5900 and Steam Deck CPU (LCD). We've got no test results to judge.
Note that Ryzen 9 5900 is a desktop processor while Steam Deck CPU (LCD) is a notebook one.
Should you still have questions on choice between Ryzen 9 5900 and Steam Deck CPU (LCD), ask them in Comments section, and we shall answer.
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