Ryzen 9 5900XT vs A8-6500B
Aggregate performance score
Ryzen 9 5900XT outperforms A8-6500B by a whopping 1669% 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 | 2397 | 253 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 72.06 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 2.33 | 25.52 |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | TSMC |
| Architecture codename | Richland (2013−2014) | Vermeer (2020−2025) |
| Release date | 1 June 2013 (12 years ago) | 31 July 2024 (1 year ago) |
| Launch price (MSRP) | no data | $349 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
A8-6500B and Ryzen 9 5900XT 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) | 16 (Hexadeca-Core) |
| Threads | 4 | 32 |
| Base clock speed | 3.5 GHz | 3.3 GHz |
| Boost clock speed | 4.1 GHz | 4.8 GHz |
| L1 cache | 192K | 64 KB (per core) |
| L2 cache | 4 MB | 512 KB (per core) |
| L3 cache | no data | 64 MB |
| Chip lithography | 32 nm | 7 nm |
| Die size | 246 mm2 | 2x 74 mm2 |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 1,303 million | 8,300 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on A8-6500B and Ryzen 9 5900XT 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 | FM2 | AM4 |
| Power consumption (TDP) | 65 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-6500B and Ryzen 9 5900XT. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| PowerNow | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-6500B and Ryzen 9 5900XT are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-6500B and Ryzen 9 5900XT. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 8570D | N/A |
Peripherals
Specifications and connection of peripherals supported by A8-6500B and Ryzen 9 5900XT.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | no data | 20 |
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 1.41 | 24.94 |
| Recency | 1 June 2013 | 31 July 2024 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Chip lithography | 32 nm | 7 nm |
| Power consumption (TDP) | 65 Watt | 105 Watt |
A8-6500B has 61.5% lower power consumption.
Ryzen 9 5900XT, on the other hand, has a 1668.8% higher aggregate performance score, an age advantage of 11 years, 300% more physical cores and 700% more threads, and a 357.1% more advanced lithography process.
The AMD Ryzen 9 5900XT is our recommended choice as it beats the AMD A8-6500B in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
