Ryzen 7 7800X vs Athlon 300U
Primary details
Comparing Athlon 300U and Ryzen 7 7800X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1773 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Athlon | AMD Ryzen 7 |
| Power efficiency | 15.33 | no data |
| Architecture codename | Raven Ridge 2 (2019) | Zen 4 |
| Release date | 6 January 2019 (5 years ago) | no data |
Detailed specifications
Athlon 300U 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | 2.4 GHz | 4.2 GHz |
| Boost clock speed | 3.3 GHz | 5 GHz |
| Bus type | PCIe 3.0 | no data |
| Multiplier | 24 | no data |
| L1 cache | 128K (per core) | 512 KB |
| L2 cache | 512K (per core) | 8 MB |
| L3 cache | 4 MB (shared) | 96 MB |
| Chip lithography | 14 nm | 5 nm, 6 nm |
| Die size | 209.78 mm2 | 71+122 mm |
| Number of transistors | 4940 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon 300U 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 (Uniprocessor) | no data |
| Socket | FP5 | no data |
| Power consumption (TDP) | 15 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 300U and Ryzen 7 7800X. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 300U and Ryzen 7 7800X are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 300U and Ryzen 7 7800X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | no data |
| Maximum memory size | 64 GB | 128 GB |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 3 ( - 1000 MHz) | no data |
Peripherals
Specifications and connection of peripherals supported by Athlon 300U and Ryzen 7 7800X.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 12 | no data |
Pros & cons summary
| Physical cores | 2 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 120 Watt |
Athlon 300U has 700% lower power consumption.
Ryzen 7 7800X, on the other hand, has 300% more physical cores and 300% more threads, and a 180% more advanced lithography process.
We couldn't decide between Athlon 300U and Ryzen 7 7800X. We've got no test results to judge.
Be aware that Athlon 300U is a notebook processor while Ryzen 7 7800X is a desktop one.
Should you still have questions on choice between Athlon 300U 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.
