Athlon X4 845 vs Ryzen 7 5800H
Aggregate performance score
Ryzen 7 5800H outperforms Athlon X4 845 by a whopping 453% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 7 5800H and Athlon X4 845 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 561 | 1771 |
| Place by popularity | 81 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Cezanne (Zen 3, Ryzen 5000) | no data |
| Power efficiency | 27.81 | 3.48 |
| Architecture codename | Cezanne-H (Zen 3) (2021) | Carrizo (2015−2018) |
| Release date | 12 January 2021 (3 years ago) | 2 February 2016 (8 years ago) |
Detailed specifications
Ryzen 7 5800H and Athlon X4 845 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 4 |
| Base clock speed | 3.2 GHz | 3.5 GHz |
| Boost clock speed | 4.4 GHz | 3.8 GHz |
| Multiplier | 32 | no data |
| L1 cache | 512 KB | 320K |
| L2 cache | 4 MB | 2 MB |
| L3 cache | 16 MB (shared) | no data |
| Chip lithography | 7 nm | 28 nm |
| Die size | 156 mm2 | 250 mm2 |
| Maximum core temperature | 105 °C | no data |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 9,800 million | 3,100 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 7 5800H and Athlon X4 845 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 | FM2+ |
| Power consumption (TDP) | 45 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 5800H and Athlon X4 845. 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, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 5800H and Athlon X4 845 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800H and Athlon X4 845. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3-2133 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 4000/5000) | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 5800H and Athlon X4 845.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | no data | 8 |
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 | 13.28 | 2.40 |
| Recency | 12 January 2021 | 2 February 2016 |
| Physical cores | 8 | 4 |
| Threads | 16 | 4 |
| Chip lithography | 7 nm | 28 nm |
| Power consumption (TDP) | 45 Watt | 65 Watt |
Ryzen 7 5800H has a 453.3% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores and 300% more threads, a 300% more advanced lithography process, and 44.4% lower power consumption.
The Ryzen 7 5800H is our recommended choice as it beats the Athlon X4 845 in performance tests.
Be aware that Ryzen 7 5800H is a notebook processor while Athlon X4 845 is a desktop one.
Should you still have questions on choice between Ryzen 7 5800H and Athlon X4 845, 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.
