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Zen 4: AMD advances +13% in IPC and up to +29% in performance compared to Zen 3


Nerces

Hardware and Gaming Specialist

August 30, 2022 at 1:40 a.m.

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AMD Ryzen 7000 Zen 4 © AMD

© AMD

Price and launch were at the heart of the presentation of the new processors AMD, but the power of Zen 4 was also in question.

Far from simple refresh from a range of proven processors, the release of the Ryzen 7000 allows AMD to take stock of the Zen 4 architecture which logically succeeds Zen 3 and should allow it to keep a certain lead over the competitor of always, Intel.

A generational leap of almost 30%

To ensure the promotion of Zen 4, AMD had not skimped on “human” resources and, on stage, Lisa Su, the group’s boss, Mark Papermaster and David McAfee, two of the main technical managers took turns. at AMD. Nice people for Zen 4 hearts that seem to have many assets.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

First, it was therefore a question of comparing Zen 4 to the previous generation, Zen 3. There, AMD was honest by dividing the gains into two categories with +13% in the number of instructions per cycle (IPC) and up to ‘at 800 MHz better on the operating frequency side. This is how AMD achieves its figure of up to +29% performance for Zen 4 compared to Zen 3.

© AMD

Of course, this 13% gain on Zen 3 is an average of the gains seen with many games and tools. To evaluate it, AMD mentions tests carried out on known software by comparing Zen 4 and Zen 3 with a number of cores /threads identical (8/16) and a frequency of 4 GHz.

The Ryzen 9 5950X far behind

Even more directly, AMD presented the results obtained by the new spearhead of its processor range, the Ryzen 9 7950X. It was logically compared to the Ryzen 9 5950X and, one suspects, came out of the exercise brilliantly. On Borderlands 3the gain was limited to +6%, but went up to +35% on Shadow of the Tomb Raider.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

Overall, on so-called “creative” applications, the gains were even more notable. Thus, on a rendering V-Rayit was possible to obtain up to +48% performance and another +32% on a render Coronathe least demonstrative of the tools presented by AMD.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

Logically, it was then the Core i9-12900K – an Intel Alder Lake processor – which went on the grill. Note that AMD oddly did not present video game results, insisting on scores with creation tools like V-Ray. The verdict is clear: up to 57% faster, the Ryzen 9 7950X does not fear the competition.

In gaming, the Ryzen 5 7600X outperforms the Core i9-12900K

In reality, we understand quite quickly why AMD did not want to compare its spearhead with the Core i9-12900K in video games: it preferred to leave this “fight” to the Ryzen 5 7600X. Yes, the smallest of the Ryzen 7000 range is compared to the beefier Alder Lake.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

A comparison that remains to be completed, AMD presenting the results of only five titles. That said, the Ryzen 5 7600X is only beaten by the Core i9-12900K on one: Grand Theft Auto V, a game in which the Intel CPU wins by a maximum of 3%. On Cyberpunk 2077AMD evokes a perfect equality between the two processors.

On the other hand, whether it is Middle Earth: Shadow of Warfrom the very recent F1 2022 or of Rainbox Six: Siege, the Ryzen 5 7600X wins. This ranges from a fair victory (up to +2%) in the case of Middle Earth: Shadow of War to much more substantial differences on the other two with, respectively, +12% and +17%.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

AMD brings its results in video games closer to the scores single thread of its Zen 4 processors, Mark Papermaster stressing that the video game is still very dependent on this kind of results. There, an example was given with Geekbench 5.4 where, in single threadthe Core i9-12900K is dominated by the entire Ryzen 7000 line and, even, the Ryzen 5 7600X.

Much better energy efficiency

Last but not least, AMD has brought progress on the performance side closer to improving the efficiency of its chips, whether compared to the Ryzen 5000 or Intel’s Alder Lake.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

Thus, while on V-Raythe Ryzen 9 7950X achieves up to 57% better performance than the Core i9-12900K, it is also about 47% better in performance per watt, in other words for a consumption of one watt, we record results 47% higher.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

Then anticipating the questions that we could ask ourselves in relation to the increase in the TDP of its processors, AMD explains that the most notable performance gains are obtained on the lowest TDP: at 65 Watts, we gain up to at 74% performance against “only” up to 37% in 105 Watts and up to 35% in 170 Watts.

AMD Ryzen 7000 Zen 4 © AMD

© AMD

AMD presented things differently by evaluating consumption at equal performance and performance at equivalent consumption, all on average on the Ryzen 5000 and Ryzen 7000. The results are unequivocal: 62% less consumption at equal performance and 49 % more performance for the same consumption.

Source: press conference



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