Athlon Gold 20 vs Athlon X4 845
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2031 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 1.40 | no data |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | TSMC |
| Architecture codename | Carrizo (2015−2018) | Mendocino (2025) |
| Release date | 2 February 2016 (9 years ago) | 1 October 2025 (less than a year ago) |
Detailed specifications
Athlon X4 845 and Athlon Gold 20 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) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 3.5 GHz | 2.4 GHz |
| Boost clock speed | 3.8 GHz | 3.7 GHz |
| L1 cache | 320K | 64 KB (per core) |
| L2 cache | 2 MB | 512 KB (per core) |
| L3 cache | no data | 4 MB (shared) |
| Chip lithography | 28 nm | 6 nm |
| Die size | 250 mm2 | 100 mm2 |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 3,100 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon X4 845 and Athlon Gold 20 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+ | FT6 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X4 845 and Athlon Gold 20. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon X4 845 and Athlon Gold 20 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon X4 845 and Athlon Gold 20. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-2133 | LPDDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Athlon X4 845 and Athlon Gold 20.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 8 | 4 |
Pros & cons summary
| Recency | 2 February 2016 | 1 October 2025 |
| Physical cores | 4 | 2 |
| Chip lithography | 28 nm | 6 nm |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Athlon X4 845 has 100% more physical cores.
Athlon Gold 20, on the other hand, has an age advantage of 9 years, a 366.7% more advanced lithography process, and 333.3% lower power consumption.
We couldn't decide between AMD Athlon X4 845 and AMD Athlon Gold 20. We've got no test results to judge.
Note that Athlon X4 845 is a desktop processor while Athlon Gold 20 is a notebook one.
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