FX-8300 vs Ryzen 3 4300U
Aggregate performance score
Ryzen 3 4300U outperforms FX-8300 by a substantial 39% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 3 4300U and FX-8300 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1274 | 1564 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Renoir (Ryzen 4000 APU) | no data |
| Power efficiency | 17.72 | 3.35 |
| Architecture codename | Renoir-U (Zen 2) (2020−2021) | Vishera (2012−2015) |
| Release date | 6 January 2020 (4 years ago) | 23 October 2012 (12 years ago) |
Detailed specifications
Ryzen 3 4300U and FX-8300 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 | 4 (Quad-Core) | 8 (Octa-Core) |
| Threads | 4 | 8 |
| Base clock speed | 2.7 GHz | 3.3 GHz |
| Boost clock speed | 3.7 GHz | 4.2 GHz |
| Multiplier | 27 | no data |
| L1 cache | 128K (per core) | no data |
| L2 cache | 512K (per core) | 8192 KB |
| L3 cache | 4 MB (shared) | no data |
| Chip lithography | 7 nm | 32 nm |
| Die size | 156 mm2 | 315 mm2 |
| Maximum core temperature | 105 °C | 71 °C |
| Number of transistors | 9800 Million | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | - | + |
| P0 Vcore voltage | no data | Min: 1.075 V - Max: 1.2875 V |
Compatibility
Information on Ryzen 3 4300U and FX-8300 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 | FP6 | AM3+ |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 3 4300U and FX-8300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 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 | no data |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 3 4300U and FX-8300 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 3 4300U and FX-8300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
| Maximum memory size | 64 GB | no data |
| Maximum memory bandwidth | 68.27 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 5 | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 3 4300U and FX-8300.
| PCIe version | 3.0 | n/a |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 4.68 | 3.36 |
| Recency | 6 January 2020 | 23 October 2012 |
| Physical cores | 4 | 8 |
| Threads | 4 | 8 |
| Chip lithography | 7 nm | 32 nm |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Ryzen 3 4300U has a 39.3% higher aggregate performance score, an age advantage of 7 years, a 357.1% more advanced lithography process, and 533.3% lower power consumption.
FX-8300, on the other hand, has 100% more physical cores and 100% more threads.
The Ryzen 3 4300U is our recommended choice as it beats the FX-8300 in performance tests.
Be aware that Ryzen 3 4300U is a notebook processor while FX-8300 is a desktop one.
Should you still have questions on choice between Ryzen 3 4300U and FX-8300, 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.
