Is Ryzen 7000 iGPU really as fast as Vega with 8 CU? Yes and no. Rather not.

From the beginning, AMD has emphasized that the Ryzen 7000 chiplet graphics are only a display that will allow the user to use the processor without a separate graphics card, consume online content and play / compress video. More is not the goal and more doesn’t even make sense. For those who are interested in using integrated graphics for (albeit undemanding) gaming, a classic APU makes sense, which has a better balanced ratio of graphics and processor performance for these purposes.

The Twitter account Benchleaks highlighted the results of this display in the GeekBench OpenCL test, where the small integrated GPU achieved 7808 points. Which is totally fine. Then the editors of the WCCFTech website included this score in their own graph with the results of other integrated graphs. This started the comparison, from which the mentioned display comes out almost like an asphalt ripper, which with 2 CU achieves the same performance as the integrated Vega s 8 WITH:

graph-1

But here is the catch. It isn’t Vega like Vega. The editors of WCCFTech didn’t bother much with what to include, so user comparisons lead to completely distorted ideas. Let us remind you that integrated Vega appeared already in 2017 within the APU Raven Ridge. It carried 704 stream-processors (11 CU) and ran at almost half the clocks compared to current integrated graphics. There was also a version trimmed to 10 CU or 8 CU. Then came the APU Renoir with Vega, which already contained a number of optimizations and improvements developed in connection with the RDNA architecture, mainly support for significantly higher clock frequencies. Thus Vega z Renoir with 8 CU she surpassed Road z Raven Ridge with 11 CUs. She added another performance Vega z APU Cezanne (Ryzen 5000G)

APUyearproc.CPUGPUflat
Llano201132nm4/4× K10,5400 SP VLIW-5226 mm²
Trinity
Richland
2012
2013
32nm4/4× Piledriver384 SP VLIW-4246 mm²
Kaveri201428nm4/4× Steamroller512 SP GCN2245 mm²
Carrizo
Bristol Ridge
2015
2016
28nm4/4× Excavator512 SP GCN3245 mm²
Raven Ridge
Picasso
2017
2019
14nm
12 nm
4/8× Zen(+)704 SP Vega210 mm²
Renoir
Lucienne
2020
2021
7nm8/16× Zen 2512 SP Vega +156 mm²
Cezanne
barceló
2021
2022
7nm8/16× Zen 3512 SP Vega +180 mm²
Rembrandt20226 nm8/16× Zen 3+768 SP RDNA 2208 mm²
Phoenix20234nm8/16× Zen 41536 SP RDNA 3~210 mm²
Mendocino20236 nm4/8× Zen 2128 SP RDNA 2~100 mm²
Strix Point20243nmZen 5RDNA 3+??

You probably already know where the problem is. “Vega 8” on the WCCFTech chart is clipped low clocked Vega z APU Raven Ridge from 2017, not the current Vega from the APU Cezanne (or barceló), the performance of which you probably know from the reviews and which is enough for less demanding gaming in 1080p. It performs as follows in the GeekBench OpenCL test:

RX Vega 8 performance from APU Cezanne / Ryzen 7 5700G (top bar) by The FPS Review

Included in the overall graph, it would look something like this:

graph-2

So it’s true that the Ryzen 7000’s integrated graphics are roughly equivalent to Vega 8 graphics, but the trimmed-down one from 2017, not the full RX Vega 8 used in this year’s and last year’s APU models.


Source: Diit.cz by diit.cz.

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