Steam Deck OLED APU vs Ryzen 9 9955HX
Aggregate performance score
Ryzen 9 9955HX outperforms Steam Deck OLED APU by a whopping 670% 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 | 163 | 1548 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | Renoir (Ryzen 4000 APU) |
| Power efficiency | 61.58 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Fire Range-HX (Zen 5) (2025) | Van Gogh (Custom) (2023) |
| Release date | 6 January 2025 (less than a year ago) | 9 November 2023 (2 years ago) |
Detailed specifications
Ryzen 9 9955HX and Steam Deck OLED APU 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 | 2.5 GHz | 2.4 GHz |
| Boost clock speed | 5.4 GHz | 3.5 GHz |
| L1 cache | 80 KB (per core) | 256 KB |
| L2 cache | 1 MB (per core) | 2 MB |
| L3 cache | 64 MB (shared) | 4 MB |
| Chip lithography | 4 nm | 6 nm |
| Die size | 2x 70.6 mm2 | no data |
| Number of transistors | 16,630 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 9955HX and Steam Deck OLED APU 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 | no data |
| Socket | FL1 | no data |
| Power consumption (TDP) | 55 Watt | 2 MB + 4 MB |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 9955HX and Steam Deck OLED APU. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 9955HX and Steam Deck OLED APU are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9955HX and Steam Deck OLED APU. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M ( - 2200 MHz) | AMD Radeon Steam Deck 8CU (1000 - 1600 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 9955HX and Steam Deck OLED APU.
| 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.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Geekbench 5.5 Multi-Core
7-Zip
CrossMark Overall
WebXPRT 4 Overall
Geekbench 6.4 Multi-Core
Geekbench 6.4 Single-Core
Pros & cons summary
| Performance score | 31.59 | 4.10 |
| Integrated graphics card | 2.73 | 10.09 |
| Recency | 6 January 2025 | 9 November 2023 |
| Physical cores | 16 | 4 |
| Threads | 32 | 8 |
| Chip lithography | 4 nm | 6 nm |
| Power consumption (TDP) | 55 Watt | 2 Watt |
Ryzen 9 9955HX has a 670.5% higher aggregate performance score, an age advantage of 1 year, 300% more physical cores and 300% more threads, and a 50% more advanced lithography process.
Steam Deck OLED APU, on the other hand, has 269.6% faster integrated GPU, and 2650% lower power consumption.
The AMD Ryzen 9 9955HX is our recommended choice as it beats the AMD Steam Deck OLED APU in performance tests.
Other comparisons
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