twice as efficient as

USAGE SUMMARY

The phrase "twice as efficient as" is correct and usable in written English.
It can be used to compare the efficiency of two entities, indicating that one is double the efficiency of the other. Example: "The new software is twice as efficient as the previous version, allowing for faster processing times."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

49 human-written examples

The proposed urban EV, with 27% well-to-wheel efficiency, is twice as efficient as an ICEV and the annual fuel cost of the urban EV is 6 times less than a gasoline one.

European Transport Research Review

For goals-per-minute, he's been nearly twice as efficient as Berisha this season.

The Guardian - Sport

For a start, electric motors are about twice as efficient as internal combustion or jet engines.

The Guardian

Mr. Brodrick said that LED lamps currently under development were twice as efficient as C.F.L.'s.

The New York Times - Tech

They're around 10 times more efficient than incandescent bulbs, and twice as efficient as fluorescent bulbs.

Independent

LEDs are more than twice as efficient as compact fluorescent bulbs, currently the standard for greener lighting.

The New York Times - Science

Human-verified similar examples from authoritative sources

Similar Expressions

10 human-written examples

"I could be twice as efficient [as my co-workers], have better communication skills... but, unfortunately, I was born white," Bate said in court Tuesday, according to he Toronto Sun.

Vice

Natural gas is twenty per cent cheaper than coal and twice as efficient.

The New Yorker

By 2015 they will be twice as efficient, saving over $300m a year.

The Economist

And twice as efficient!

TechCrunch

The whole fermenting and distilling process needs to get twice as efficient.

Forbes

Expert writing Tips

Best practice

When comparing efficiency, be specific about what metrics you're using (e.g., energy consumption, processing time) to provide clear context for the comparison using the phrase "twice as efficient as".

Common error

Ensure the baseline for comparison is clearly defined. Avoid ambiguous statements like "It's twice as efficient!" without specifying what it's more efficient than.

Linguistic Context

The phrase "twice as efficient as" functions as a comparative adjective phrase. Ludwig AI confirms its role in comparing the efficiency of two distinct entities, where one surpasses the other by a factor of two.

Expression frequency: Very common

Frequent in

News & Media

40%

Science

35%

Formal & Business

10%

Less common in

Encyclopedias

5%

Wiki

5%

Reference

5%

Ludwig's WRAP-UP

The phrase "twice as efficient as" is a common and grammatically sound way to express that one thing is performing or utilizing resources at double the rate or with half the consumption of another. As confirmed by Ludwig AI, this comparative adjective phrase is frequently used across diverse fields, particularly in news, scientific, and business contexts. It's essential to define the specific metrics used for comparison to avoid ambiguity. While alternatives like "double the efficiency of" or "two times more efficient than" exist, "twice as efficient as" remains a clear and impactful way to highlight a significant improvement in efficiency.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

double the efficiency of

This phrase uses "double" instead of "twice" to indicate the level of efficiency.

two times more efficient than

This option is more verbose, using "two times more" instead of "twice".

significantly more efficient compared to

This phrase broadens the comparison to 'significantly more efficient' rather than specifying 'twice'.

far more efficient than

This implies a large difference in efficiency, without quantifying it.

much more efficient than

Similar to 'far more efficient', but less emphatic.

operates at double the efficiency of

This alternative uses a verb-focused construction, emphasizing the act of operating efficiently.

boasts twice the efficiency of

This alternative uses a stronger verb ("boasts") to highlight the higher efficiency.

exhibits double the efficiency compared to

Replaces "as efficient as" with "exhibits double the efficiency compared to".

is twice as productive as

Substitutes "efficient" with "productive", shifting the focus slightly to output.

performs with double the efficiency of

Highlights the action of performing with greater efficiency.

FAQs

How can I use "twice as efficient as" in a sentence?

Use "twice as efficient as" to compare the performance or resource usage of two items, indicating one performs double the work or uses half the resources of the other. For example, "The new engine is "twice as efficient as" the old one".

What are some alternatives to saying "twice as efficient as"?

Alternatives include "double the efficiency of", "two times more efficient than", or significantly more efficient, depending on the level of precision required.

Is it always accurate to say something is "twice as efficient as" something else?

While "twice as efficient as" is a common way to express a significant improvement, ensure that the difference is precisely measured and not an approximation. If it's not exactly double, consider using phrases like "significantly more efficient" or "much more efficient".

What's the difference between "twice as efficient as" and "twice as effective as"?

"Twice as efficient as" refers specifically to the ratio of output to input (e.g., energy, time, resources). "Twice as effective as" refers to the degree to which something achieves its intended result, which might incorporate other factors beyond simple efficiency.