Ryzen 7 5705GE vs Ryzen 9 7900
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 222 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 66.36 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 17.86 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Raphael (Zen4) (2022−2023) | Cezanne (2021−2025) |
| Release date | 14 January 2023 (2 years ago) | 24 February 2025 (less than a year ago) |
| Launch price (MSRP) | $429 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 9 7900 and Ryzen 7 5705GE 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) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 3.7 GHz | 3.8 GHz |
| Boost clock speed | 5.4 GHz | 4.6 GHz |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | 64 MB (shared) | 16 MB |
| Chip lithography | 5 nm | 7 nm |
| Die size | 2x 71 mm2 | 180 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 47 °C | 95 °C |
| Number of transistors | 13,140 million | 10,700 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 7900 and Ryzen 7 5705GE 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 | AM5 | AM4 |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7900 and Ryzen 7 5705GE. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 5 nm, 0.650 - 1.475V | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7900 and Ryzen 7 5705GE are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7900 and Ryzen 7 5705GE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics (Ryzen 7000) ( - 2200 MHz) | AMD Radeon Vega 8 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7900 and Ryzen 7 5705GE.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 24 | 16 |
Pros & cons summary
| Integrated graphics card | 4.07 | 4.15 |
| Recency | 14 January 2023 | 24 February 2025 |
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Chip lithography | 5 nm | 7 nm |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Ryzen 9 7900 has 50% more physical cores and 50% more threads, and a 40% more advanced lithography process.
Ryzen 7 5705GE, on the other hand, has 2% faster integrated GPU, an age advantage of 2 years, and 85.7% lower power consumption.
We couldn't decide between AMD Ryzen 9 7900 and AMD Ryzen 7 5705GE. We've got no test results to judge.
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