In June 2014, amd proposed a So - calledBy 2020, the APU processor's energy efficiency (performance power ratio) will be increased by 25 times!
AMD wasn't as beautiful as it is
As a result, AMD put forward this small ambitious goal, the voice of doubt accounted for the majority
And guess what? AMD's mobile APU processor not only fulfilled this promise, but also overfulfilled the task!
The latest Renoir APU this year is 31.77 times more efficient than its original target of 25 times, based on Kaveri APU released in early 2014, according to AMD.
Kaveri APU used 28nm technology, roller CPU architecture and GCN GPU mechanism at that time. Its flagship mobile model fx-7600p has four cores and four threads, with a main frequency of 2.7-3.6ghz. At the same time, it integrates eight radeon R7 GPU units (448sp), with a frequency of 686mhz, supports dual channel ddr3l-1600 memory, with a maximum capacity of 8GB and a thermal design power consumption of 35W.
With its energy efficiency as the benchmark 1, the flagship model specifications, performance and energy efficiency ratio of each generation of mobile APU in the following years are as follows:
You can see that the 2017 Raven Ridge achieved a leap in energy efficiency with a brand new 14 nm process, Zen CPU architecture, and Vega GPU architecture, equivalent to up to 8.81 times the Kaveri.
This year's latest Renoir brings 7Nm technology, Zen 2 CPU architecture, and upgraded Vega GPU architecture, which has achieved a historic leap in energy efficiency. From the previous generation's 10.88 times to 31.77 times, it has to be said that it has done a really good job!
Moreover, the second-generation raillon APU Picasso's energy efficiency gains are modest. After all ,12 nm have no essential changes compared to 14 nm、Zen compared to Zen, and the Vega GPU has not changed at all.
What does a 31.7x increase in energy efficiency mean? Amd also lists an interesting set of data:
-84% reduction in actual energy consumption
- an average 80% reduction in task specific computing time
- if 50000 APU notebooks are upgraded from 2014 model to 2020, 1.4 million kilowatt hours of electricity can be saved in three years, or equivalent 1000 tons of carbon dioxide emissions can be reduced, or 16000 trees can be grown.
- if we put it in the automobile industry, it would be equivalent to that 100 horsepower, 300 kilometers, would become 500 horsepower, 1890 kilometers.
Have AMD set similar energy efficiency targets for the next 5-10 years? AMD says there are new energy-efficiency plans, but it's not easy to give details, and times have changed and energy-efficiency calculations will not be the same.
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