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MagyarAMD A6-9225
The AMD A6-9225 is an entry-level chip from the Stoney-Ridge APU series for notebooks (7th APU generation), which was announced mid 2018. Compared to the one year older A4-9220, the A4-9225 has a 200 MHz higher CPU Boost clock but a slower iGPU. It integrates two CPU cores (one Excavator module with 2 integer and one FP unit) clocked at 2.6 GHz to 3.1 GHz. It also includes a Radeon R4 GPU, probably with 192 shaders at up to 686 MHz, as well as a single-channel DDR4-2133 memory controller, H.265 video decoder and chipset with all I/O ports.
Architecture
Stoney Ridge is the successor to the Carrizo architecture and the design is almost identical. Thanks to optimized manufacturing processes and more aggressive Boost behavior, however, the clocks are a bit higher at the same power consumption. The memory controller now also supports DDR4-RAM, in this case up to 2133 MHz. Stoney Ridge is the designation for the smaller dual-core and single-core chip, while Bristol Ridge is the bigger quad-core chip with dual-channel memory controller. More technical details are available in the following articles:
Performance
The average 9225 in our database proves to be a very, very, very slow processor, its multi-thread benchmark scores only just matching those of Core 2 Duo P8600, a dual-core CPU that saw the light of day in 2008. This is a record-breakingly poor performance and a warning to anyone looking to purchase a system built around this specific A6 series CPU.
Graphics
The integrated Radeon R4 (Stoney Ridge) GPU is probably similar to the R5 with 192 active shader units (3 compute cores), but a reduced clock of just 686 MHz instead of 800 MHz. More details about the GPU are available in the linked articles above.
Power consumption
This AMD A6 has a default TDP (also known as the long-term power limit) of 15 W. Laptop manufacturers are allowed to reduce that value somewhat, 10 W being the lower limit, with clock speeds and performance changing accordingly as a result. Choosing the lowest value possible will allow for passively cooled designs.
Last but not the least, the CPU is built with a very old (as of early 2023) 28 nm process leading to very low energy efficiency.
| Series | AMD Bristol Ridge | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Codename | Stoney Ridge | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Series: Bristol Ridge Stoney Ridge
| |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Clock Rate | 2600 - 3100 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Level 1 Cache | 160 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Level 2 Cache | 1 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of Cores / Threads | 2 / 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Power Consumption (TDP = Thermal Design Power) | 15 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transistor Count | 1200 Million | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturing Technology | 28 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Die Size | 124.5 mm2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Max. Temperature | 90 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | Single-Channel DDR4-2133 RAM, Virtualization | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| GPU | AMD Radeon R4 (Stoney Ridge) ( - 686 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| 64 Bit | 64 Bit support | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announcement Date | 06/01/2018 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Product Link (external) | AMD Bristol Ridge A6-9225 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
- Average benchmark values for this graphics card