The OnePlus 9 Pro, even though it advertises itself as using the latest LTPO OLED technology as Samsung’s Galaxy S21 Ultra for example, still suffers from notably worse power characteristics and worse power efficiency. In our web-browsing battery life test, even with this performance crippling mechanism in place, with both devices at 120Hz under the same test conditions, the OnePlus 9 Pro achieves 11.75 hours of runtime, versus the S21 Ultra’s 13.98 hours, the latter which runs at the SoC’s full performance potential.

While application behaviour and performance varies case by case, the one aspect that holds true in almost all scenarios is that the OnePlus 9 Pro doesn’t deliver on the full characteristics of the Snapdragon 888. In blacklisted/detected applications, when and if the X1 cores are being used at all, frequencies beyond 2.38GHz are unreachable save for brief booster moments. The vast majority of apps fall back to 2GHz Cortex-A78 cores. This is all a bit ironic as the reason the larger more performance X-series cores were created in the first place was to serve high transient response performance workloads, something they’re not allowed to do here.

https://www.anandtech.com/show/16794/oneplus-9-performance-examination/

Response

Smartphone processors have continued to become stronger every year, enabling software developers to develop more powerful and sophisticated apps, in turn, helping users to do more things with smartphones than ever before. In recent years, the performance of smartphone SoCs has reached a point where their power is often overkill in certain scenarios for many apps including social media, browsers and even some light gaming.

With this in mind, our team has shifted its attention from simply providing sheer performance to providing the performance you expect from our devices while reducing power consumption and heat dissipation. To be more precise, we want to match each app with the most appropriate performance it needs.

In the case of the OnePlus 9 and 9 Pro, when you open apps or heavy games, the Snapdragon 888 processor, including the super powerful X1 CPU core, will run at full speed to provide the best performance. But with actions that do not require the maximum power, like reading a webpage or scrolling through Twitter and Instagram, it’s not necessary for the CPU to run at almost 3GHz to do that smoothly. The OnePlus 9 and 9 Pro reduce the CPU frequency in these scenarios to reduce power consumption and heat dissipation while maintaining a smooth experience.

The OnePlus R&D team also maintains a list of applications – based on the most popular Google Play Store apps – that we try to optimize, including some of the apps you know and love like Chrome, Twitter, Zoom, WhatsApp, Facebook, Instagram, Snapchat, YouTube, Discord, Microsoft Office plus our own apps. All of this optimization is only finalized after our testing team makes sure the actual user experience is not negatively affected.

https://forums.oneplus.com/threads/insight-into-oneplus-9-series-processor-and-app-optimization.1467338/

Energy developments

• Primary energy consumption fell by 4.5% in 2020 – the largest decline since 1945.
• The drop in energy consumption was driven mainly by oil, which contributed almost three-quarters of the net decline, although natural gas and coal also saw significant declines.
• Wind, solar and hydroelectricity all grew despite the fall in overall energy demand.
• By country, the US, India and Russia contributed the largest declines in energy consumption. China posted the largest increase (2.1%), one of only a handful of countries where energy demand grew last year.

Carbon emissions

• Carbon emissions from energy use fell by 6.3%, to their lowest level since 2011. As with primary energy, this was the largest decline since the end of World War II.

Oil

• Oil consumption fell by a record 9.1 million barrels per day (b/d), or 9.3%, to its lowest level since 2011.
• Oil demand fell most in the US (-2.3 million b/d), the EU (-1.5 million b/d) and India (-480,000 b/d). China was virtually the only country where consumption increased (220,000 b/d).
• Global oil production shrank by 6.6 million b/d, with OPEC accounting for two-thirds of the decline. Libya (-920,000 b/d) and Saudi Arabia (-790,000 b/d) saw the largest OPEC declines, while Russia (-1.0 million b/d) and the US (-600,000 b/d) led non-OPEC reductions.
• Refinery utilization fell by a record 8.0 percentage points to 74.1%, the lowest level since 1985

Natural gas

• Natural gas consumption fell by 81 billion cubic metres (bcm), or 2.3%. Nevertheless, the share of gas in primary energy continued to rise, reaching a record high of 24.7%.
• Declines in gas demand were led by Russia (-33 bcm) and the US (-17 bcm), with China (22 bcm) and Iran (10 bcm) contributing the largest increases.
• Inter-regional gas trade reduced by 5.3%, completely accounted for by a 54 bcm (10.9%) drop in pipeline trade.
• LNG supply grew by 4 bcm or 0.6%, well below the 10-year average rate of 6.8% p.a. US LNG supply expanded by 14 bcm (29%), but this was partially offset by declines in most other regions, notably Europe and Africa.

Coal

• Coal consumption fell by 6.2 exajoules (EJ), or 4.2%, led by declines in the US (-2.1 EJ) and India (-1.1 EJ), with OECD coal consumption falling to its lowest level in our data series back to 1965.
• China and Malaysia were notable exceptions, increasing their consumption by 0.5 EJ and 0.2 EJ respectively.
• Global coal production was down 8.3 EJ (5.2%). As with consumption, production growth in China (1.1 EJ) was outweighed by sharp declines in several countries, including the US (-3.6 EJ), Indonesia (-1.3 EJ) and Colombia (-1.0 EJ).

Electricity

• Electricity generation fell by 0.9% – more than the decline in 2009 (-0.5%), the only other year in our data series (which starts in 1985) when electricity demand fell.
• The share of renewables in power generation increased from 10.3% to 11.7%, while coal’s share fell 1.3 percentage points to 35.1% – a new low in our data series.

https://www.bp.com/en/global/corporate/energy-economics/statistical-review-of-world-energy.html

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