Friday, August 25th 2023
AMD Unveils Radeon RX 7800 XT and RX 7700 XT Graphics Cards
AMD today at Gamescom unveiled the Radeon RX 7800 XT and Radeon RX 7700 XT performance-segment graphics cards. Designed for maxed out gaming at 1440p with ray tracing, the two are designed to square off against NVIDIA's GeForce RTX 4070 series, offering competitive performance and pricing. The two are based on AMD's latest RDNA3 graphics architecture, and use the 5 nm foundry process where it matters. Both cards claim to offer not just superior performance to the specific NVIDIA RTX 40-series SKUs they're designed to compete with, but also better future-proofing, with more video memory on offer.
At the heart of the two is the new "Navi 32" GPU, AMD's second largest chip from this generation. It is a chiplet GPU, just like the "Navi 31" that powers the RX 7900 series, albeit slightly scaled down. The graphics compute die (GCD), the die with the main graphics rendering and compute machinery, is built on the 5 nm EUV foundry node. It is flanked by four memory cache dies (MCDs), each built on the 6 nm foundry node. These are the same MCDs found in the "Navi 31," but four in number instead of six, which gives the "Navi 32" a 256-bit wide GDDR6 memory interface.
The Radeon RX 7800 XT maxes out the "Navi 32," enabling all 60 compute units (CU) physically present, which works out to 3,840 stream processors, 120 AI accelerators, 60 Ray accelerators, 64 MB of Infinity Cache, and 16 GB of GDDR6 memory across the chip's full 256-bit memory interface. The GPU ticks at 2124 MHz Game clocks, and 2430 MHz boost; while its memory runs at 19.5 Gbps, resulting in 624 GB/s of memory bandwidth. The card is configured with 263 W of total board power, and its reference design comes with two 8-pin PCIe power connectors.
The Radeon RX 7700 XT is cut down from the same "Navi 32" silicon as the RX 7800 XT, and uses the same reference board design. The biggest change here, is that the memory size is reduced to 12 GB, the Infinity Cache to 48 MB, and the memory bus width to 192-bit. One of the four MCDs on the "Navi 32" silicon is disabled. Over on the GCD, the RX 7700 XT is configured with 54 CU, which works out to 3,456 stream processors, 108 AI accelerators, 54 Ray accelerators, and 180 TMUs. The GPU runs at higher clock speeds than the RX 7800 XT, with 2171 MHz Game clocks, and 2544 MHz boost. The memory speed, however, is lower, at 18 Gbps, which over the 192-bit memory interface, puts out 432 GB/s of bandwidth. The RX 7700 XT is configured with 245 W of total board power, and has the same dual 8-pin power input setup as the RX 7800 XT.
In terms of performance, AMD claims that the Radeon RX 7800 XT offers anywhere between 2% to 23% performance gains over the GeForce RTX 4070 in 13 of the 19 games they tested. Testing was done at 1440p with max settings for each game. AMD also claims that the extra 4 GB of memory should give you better future-proofing. The Radeon RX 7700 XT, on the other hand, is shown scoring anywhere between 1% and 31% higher than the GeForce RTX 4060 Ti 16 GB, in 16 out of 19 games that the two cards were compared in.
The reason AMD chose the RTX 4070 and RTX 4060 Ti 16 GB for comparisons, is because it intends to price the RX 7800 XT and RX 7700 XT competitively to them. The Radeon RX 7800 XT is priced at USD $499, while the RX 7700 XT is priced at $449. Both cards go on sale from September 6, 2023.
At the heart of the two is the new "Navi 32" GPU, AMD's second largest chip from this generation. It is a chiplet GPU, just like the "Navi 31" that powers the RX 7900 series, albeit slightly scaled down. The graphics compute die (GCD), the die with the main graphics rendering and compute machinery, is built on the 5 nm EUV foundry node. It is flanked by four memory cache dies (MCDs), each built on the 6 nm foundry node. These are the same MCDs found in the "Navi 31," but four in number instead of six, which gives the "Navi 32" a 256-bit wide GDDR6 memory interface.
The reason AMD chose the RTX 4070 and RTX 4060 Ti 16 GB for comparisons, is because it intends to price the RX 7800 XT and RX 7700 XT competitively to them. The Radeon RX 7800 XT is priced at USD $499, while the RX 7700 XT is priced at $449. Both cards go on sale from September 6, 2023.
104 Comments on AMD Unveils Radeon RX 7800 XT and RX 7700 XT Graphics Cards
Well after all is possible that you is right.
Do you have any inner information how good or bad is FSR3?
Baldur's Gate 3 Good
VRAM
Raw performance
Adrenline Software support
Everything else: Fluff
I love how people make raster seems like it is not the foundation of PC Gaming.
And of course I don't because I'm just a user and not some FBI guy who has insider information on the product.
One. More. Time. The only thing relevant, once again, RELEVANT is RDNA3 bad performance per dollar and bad feature arsenal per dollar. Extremely weak RT, very weak energy efficiency, stone age scaling tech, no CUDA, hardly limited overclocking et cetera, et cetera. FSR3 is just a crutch which could've helped this sorry horsepoop of a generation but it's yet to be seen. And it has to be superior to DLSS3 to actually do so. Which, knowing AMD, is less likely than a deployed nuke in my bathroom.I love how people prove their point only using one game despite billions of them existing. This is called nitpicking and it's a fallacy.
RDNA2 wasn't better than Ampere. Neither is RDNA3. But it's already Ada out there and also Intel pondering upon them. I know Intel's position is currently very weak but they might surprise us. They might not. Who knows. But they're definitely not to be underestimated.
All this just feels like they're not interested in gaming anymore.
Also, RX 6800 XT was launched with MSRP of only 650$ against later launched RTX 3090 Ti for 2000$ for only 35ish% higher performance.
AMD was competitive with RDNA2, today it's not with RDNA3 mainly because of the greedy pricing of both RX 7900 XT and RX 7900 XT which should have been RX 7800 XT and RX 7800 :D
and it is 9% if you look at the real test average though. depending on the title it is more like +- double digit. all over the place.
- AMD is not able to create a product that can compete in raster performance with 4090.
- Claiming "Efficiency leadership" when they already know how efficient Ada is, a couple of weeks ahead of its sales, is not a manipulation but a defiant lie.
- Marketing low manufacturing costs of multi-chip modules, and then launching their GPUs with prices resembling crypto boom launch prices.
- The release is plagued with typical AMD problems like high multi-monitor power draw that based on forum posts is still not fully fixed.
- Vsync power consumption until the monolithic 7600 is almost 2 times higher vs. Ada and worse than Ampere.
- AMD manages to mess up the video playback power draw in 7600.
- Calling 100+ Celsius junction temps on max fan RPM for their reference models working as intended until the huge outrage from the community.
- The 7900 XT is just an upsell product, so basically their lineup is only 2 GPUs: 7900 XTX, which at this price point makes no sense versus RTX 4090, and RX 7600 priced too close to the faster RTX 4060, with far worse value than Navi 2 options.
The only problems with NVIDIA GPUs this gen are prices and carrying on with the plan to make VRAM a luxury good. AMD was quite happy to follow the suit though, locking >8GB RAM behind a solid paywall.
For NVIDIA, there's a larger process node jump between Samsung's 8 nm to TSMC's 5 nm with NVIDIA's ADA 4N improved at 5 nm.
I'm drowning in nvidia fanboys' mouth foam and distorted truth
Several more hours you will see it.
The worst extremums are to the left of ~60% TDP and to the right of ~70% TDP. RDNA2 has a stupid flat curve which makes them perfect undervolters. RDNA3 has a steep curve with high floor and low ceiling. Do you mind losing 8% performance? I guess you do. Do you mind also cutting a third of TDP? I don't think you do.
The reason is probably very simple. I assume they wanted to squeeze as much juice from them as they humanly could disregarding the power efficiency aspect because RDNA3 failed extremely hard to deliver proper performance on intended clocks. This led RDNA3 to be a little bit less pathetic compared to Ada and RDNA2 in terms of performance, yet making RDNA3 a very questionable series to say the least.
That said, I expect 7800 XT to run about 500 MHz higher than 6800 XT, and probably about 300 MHz uplift compared to 6700 XT will be seen in 7700 XT. And yes, +10—20% clock almost always means way more than +20% wattage.
This is 7800XT Transistors unknown from TPU
Until we know everything both of us could be right and wrong.
6950 XT is obviously faster than 6900 XT and thus, it's faster than 7800 XT. You will need to OC it and, most probably, this won't be enough to outperform 6950 XT.
RX 7800 XT will never be as fast as that, especially that RX 6950 XT should be overclocked, as well, for oranges-to-oranges comparison.
It's just AMD being AMD.