Steam Deck CPU (LCD) vs Ryzen 9 3950X
Primary details
Comparing Ryzen 9 3950X and Steam Deck CPU (LCD) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 202 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 17.85 | no data |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 21.99 | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Van Gogh (2022−2023) |
| Release date | 11 June 2019 (5 years ago) | 25 February 2022 (2 years ago) |
| Launch price (MSRP) | $799 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3950X 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 | 16 (Hexadeca-Core) | 4 (Quad-Core) |
| Threads | 32 | 8 |
| Base clock speed | 3.5 GHz | 2.4 GHz |
| Boost clock speed | 4.7 GHz | 3.5 GHz |
| L1 cache | 1 MB | 64 KB (per core) |
| L2 cache | 8 MB | 512 KB (per core) |
| L3 cache | 64 MB | 4 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 7 nm |
| Die size | 2 x 72 mm + 125 mm (IO-Die) mm2 | 163 mm2 |
| Number of transistors | 19,200 million | 2,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 3950X 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 (Uniprocessor) | 1 |
| Socket | AM4 | AMD BGA ST1 |
| Power consumption (TDP) | 105 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3950X and Steam Deck CPU (LCD). You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3950X and Steam Deck CPU (LCD) are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3950X and Steam Deck CPU (LCD). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 |
| Maximum memory size | 128 GB | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
| ECC memory support | + | - |
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 3950X and Steam Deck CPU (LCD).
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 8 |
Pros & cons summary
| Recency | 11 June 2019 | 25 February 2022 |
| Physical cores | 16 | 4 |
| Threads | 32 | 8 |
| Power consumption (TDP) | 105 Watt | 15 Watt |
Ryzen 9 3950X has 300% more physical cores and 300% more threads.
Steam Deck CPU (LCD), on the other hand, has an age advantage of 2 years, and 600% lower power consumption.
We couldn't decide between Ryzen 9 3950X and Steam Deck CPU (LCD). We've got no test results to judge.
Note that Ryzen 9 3950X is a desktop processor while Steam Deck CPU (LCD) is a notebook one.
Should you still have questions on choice between Ryzen 9 3950X and Steam Deck CPU (LCD), ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
