2024-11-22 12:27:00
www.pcgamer.com
Hot on the heels of details of the supposed RTX 5070 Ti GPU come details of the next rung down in the rumoured Nvidia RTX 50 family of graphics cards. We give you the RTX 5070, the plain vanilla version and what could be a worryingly small step forward if this new “leak” is anything to go by.
According to Benchlife (via Videocardz), we’re looking at 6,400 CUDA cores for the RTX 5070. That’s well down on the 8,960 rumoured for the RTX 5070 Ti. Perhaps even more pertinently, it’s just 9% more CUDA cores than the existing RTX 4070 and, indeed, fewer CUDA cores than the RTX 4070 Super, which rocks 7,168.
Now, there is more to GPU performance than mere core count. There’s clock speed, which you might expect to be up at least a little bit thanks to the transition from TSMC’s N5 silicon to a revised N4 node for the Blackwell architecture that will underpin all GPUs in the RTX 50 lineup.
That said, N4 is not a wholly new node compared to N5, more of an enhancement. Nvidia would have needed to make the jump to N3 for that. So, it may not be realistic to anticipate a huge jump in frequencies.
That said, the new 5070 is rumoured to be rated at a board power of 250 W, which is a fair old step up on the 200 W of the 4070. So, we’ll wait to see about those clock speeds and cross our fingers and toes that they’re up a decent chunk.
Then there’s architecture. It may turn out that the Blackwell in the RTX 5070 is much more efficient than the Ada Lovelace technology in the RTX 4070 and indeed 4070 Super. So, Blackwell may do more work per clock cycle. Features like the RT cores for ray tracing and the Tensor cores for AI stuff may get a particularly big boost. In other words, the RT 4070’s CUDA cores and broader per-unit performance probably won’t be perfectly comparable with those of the RTX 4070 and 4070 Super.
Header Cell – Column 0 | RTX 5090 | RTX 5080 | RTX 5070 Ti | RTX 5070 |
---|---|---|---|---|
CUDA cores | 21,760 | 10,752 | 8,960 | 6,400 |
Memory bus width | 512-bit | 256-bit | 256-bit | 192-bit |
Board power | 600 W | 400 W | 300 W | 250 W |
Even so, if all these rumours are correct, the gap between the RTX 5070 and 5070 Ti in terms of CUDA core count is 40%, whereas the same metric for the RTX 4070 and 4070 Ti is just 30%. Go back to the RTX 3070 versus the RTX 3070 Ti and the gap was just 4%. Now it’s supposedly going to be 40%. That only adds to the impression of a distinctly weak 70-series board this time around.
If there’s any good news in all this, it’s that it could open the door for Intel to be competitive with the RTX 5070. As we reported earlier today, the latest rumours suggest that Intel’s top Battlemage GPU for its second generation of Arc gaming graphics cards is aimed at RTX 4070 Super performance.
If it achieves that, it might just be as fast or maybe even faster than the RTX 5070. Put another way, Nvidia’s failure to move the game on at the ’70 level could make for a much more competitive mid-range GPU market this time.
AMD is likewise putting all its effort into mid-range focused GPUs for its next-gen RDNA 4 GPUs. So, there’s a chance of a price war in the mid-range come the new year. OK, it’s just a whisker of a chance. But a chance nonetheless.
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