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Its built on the AMD Navi 31 die with a total of 5,120 Stream Processors.

There we see the immediate architectural differences between mid-range RDNA 3 and Ada respectively.

An RX 7900 GRE vs RTX 4070 against a two-tone techradar background

That slight lead in bandwidth comes at the price of increased power draw, however.

Adas architecture is therefore considerably more efficient than its rival.

The design languages of both are similar at base level.

An AMD Radeon RX 7900 GRE from ASRock on a pink desk mat with its retail packaging

Measuring their general performance using synthetic benchmarks, some things become pretty clear right out the gate.

The lead taken by the RX 7900 GRE extends into our industry-standard synthetic benchmarks as well.

The RTX 4070 is no slouch either.

An Nvidia GeForce RTX 4070 graphics card seated inside its retail packaging

This is likely due to the smaller memory pool available.

The RTX 4070 falls well short of the RX 7900 GRE at 4K.

Which one should you buy?

An AMD Radeon RX 7900 GRE from PowerColor in a test bench

Which GPU you should buy will ultimately come down to your needs.

AMDs card performs better and more consistently in 1080p, 1440p, and even 4K.

An AMD Radeon RX 7900 GRE from PowerColor on a desk with its retail packaging

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