Ryzen 7 7800X vs Ryzen 9 5900HX
Primary details
Comparing Ryzen 9 5900HX and Ryzen 7 7800X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 515 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Cezanne (Zen 3, Ryzen 5000) | AMD Ryzen 7 |
| Power efficiency | 29.78 | no data |
| Architecture codename | Cezanne-H (Zen 3) (2021) | Zen 4 |
| Release date | 12 January 2021 (3 years ago) | no data |
Detailed specifications
Ryzen 9 5900HX and Ryzen 7 7800X 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 | 8 (Octa-Core) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 3.3 GHz | 4.2 GHz |
| Boost clock speed | 4.6 GHz | 5 GHz |
| Multiplier | 33 | no data |
| L1 cache | 64K (per core) | 512 KB |
| L2 cache | 512K (per core) | 8 MB |
| L3 cache | 16 MB (shared) | 96 MB |
| Chip lithography | 7 nm | 5 nm, 6 nm |
| Die size | 156 mm2 | 71+122 mm |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 9,800 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 9 5900HX and Ryzen 7 7800X 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 | FP6 | no data |
| Power consumption (TDP) | 45 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900HX and Ryzen 7 7800X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA | no data |
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5900HX and Ryzen 7 7800X are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HX and Ryzen 7 7800X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | no data |
| Maximum memory size | no data | 128 GB |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2100 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900HX and Ryzen 7 7800X.
| PCIe version | 3.0 | no data |
Pros & cons summary
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 45 Watt | 120 Watt |
Ryzen 9 5900HX has 166.7% lower power consumption.
Ryzen 7 7800X, on the other hand, has a 40% more advanced lithography process.
We couldn't decide between Ryzen 9 5900HX and Ryzen 7 7800X. We've got no test results to judge.
Be aware that Ryzen 9 5900HX is a notebook processor while Ryzen 7 7800X is a desktop one.
Should you still have questions on choice between Ryzen 9 5900HX and Ryzen 7 7800X, 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.
