Ryzen 7 PRO 7840U vs PRO A12-9830B
Primary details
Comparing PRO A12-9830B and Ryzen 7 PRO 7840U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 455 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Bristol Ridge | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 52.41 |
| Architecture codename | Bristol Ridge (2016−2019) | Phoenix (Zen 4) (2023) |
| Release date | 1 June 2016 (8 years ago) | 3 May 2023 (1 year ago) |
Detailed specifications
PRO A12-9830B and Ryzen 7 PRO 7840U 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 | 16 |
| Base clock speed | 3 GHz | 3.3 GHz |
| Boost clock speed | 3.7 GHz | 5.1 GHz |
| L1 cache | no data | 512 KB |
| L2 cache | 2048 KB | 8 MB |
| L3 cache | no data | 16 MB |
| Chip lithography | 28 nm | 4 nm |
| Die size | 250 mm2 | 178 mm2 |
| Maximum core temperature | 90 °C | 100 °C |
| Number of transistors | 3100 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on PRO A12-9830B and Ryzen 7 PRO 7840U 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.
| Socket | FP4 | no data |
| Power consumption (TDP) | 25-45 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by PRO A12-9830B and Ryzen 7 PRO 7840U. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| FMA | FMA4 | - |
| AVX | AVX | - |
| FRTC | + | - |
| FreeSync | + | - |
| PowerTune | + | - |
| TrueAudio | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| Out-of-band client management | + | - |
| VirusProtect | + | - |
| RAID | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by PRO A12-9830B and Ryzen 7 PRO 7840U are enumerated here.
| AMD-V | + | - |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by PRO A12-9830B and Ryzen 7 PRO 7840U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | no data |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon R7 Graphics | AMD Radeon 780M ( - 2700 MHz) |
| iGPU core count | 8 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of PRO A12-9830B and Ryzen 7 PRO 7840U integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by PRO A12-9830B and Ryzen 7 PRO 7840U integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by PRO A12-9830B and Ryzen 7 PRO 7840U.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 8 | no data |
Pros & cons summary
| Recency | 1 June 2016 | 3 May 2023 |
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Chip lithography | 28 nm | 4 nm |
| Power consumption (TDP) | 25 Watt | 28 Watt |
PRO A12-9830B has 12% lower power consumption.
Ryzen 7 PRO 7840U, on the other hand, has an age advantage of 6 years, 100% more physical cores and 300% more threads, and a 600% more advanced lithography process.
We couldn't decide between PRO A12-9830B and Ryzen 7 PRO 7840U. We've got no test results to judge.
Should you still have questions on choice between PRO A12-9830B and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
