Ryzen 9 7945HX vs A4-5100
Aggregate performance score
Ryzen 9 7945HX outperforms A4-5100 by a whopping 3948% based on our aggregate benchmark results.
Primary details
Comparing A4-5100 and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2564 | 110 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | no data |
| Power efficiency | 5.36 | 59.21 |
| Architecture codename | Kabini (2013−2014) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 4 November 2013 (11 years ago) | 4 January 2023 (1 year ago) |
Detailed specifications
A4-5100 and Ryzen 9 7945HX 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 | no data | 2.5 GHz |
| Boost clock speed | 1.55 GHz | 5.4 GHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | 2048 KB | 1 MB (per core) |
| L3 cache | no data | 64 MB (shared) |
| Chip lithography | 28 nm | CCD = 5 nm, I/O = 6 nm |
| Die size | 107 mm2 | 2x 71 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 90 °C | no data |
| Number of transistors | no data | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on A4-5100 and Ryzen 9 7945HX 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 | FT3 | FL1 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-5100 and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | FMA4 | + |
| AVX | + | + |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-5100 and Ryzen 9 7945HX are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-5100 and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon HD 8330 | AMD Radeon 610M |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A4-5100 and Ryzen 9 7945HX integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A4-5100 and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A4-5100 and Ryzen 9 7945HX.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | 8 | 28 |
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.
Pros & cons summary
| Performance score | 0.85 | 34.41 |
| Integrated graphics card | 0.69 | 2.85 |
| Recency | 4 November 2013 | 4 January 2023 |
| Physical cores | 4 | 16 |
| Threads | 4 | 32 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
A4-5100 has 266.7% lower power consumption.
Ryzen 9 7945HX, on the other hand, has a 3948.2% higher aggregate performance score, 313% faster integrated GPU, an age advantage of 9 years, and 300% more physical cores and 700% more threads.
The Ryzen 9 7945HX is our recommended choice as it beats the A4-5100 in performance tests.
Should you still have questions on choice between A4-5100 and Ryzen 9 7945HX, 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.
