![]() What if your new, Ada Lovelace-generation GPU could wave a magic wand that lifts rendering burdens off both the GPU and CPU, increase frame rates across the board, and retain low button-tap latency in your favorite computationally expensive games? If I want bigger gains there, do I need to upgrade my PC-or even overclock my CPU?Īt least for compatible software, this is where Nvidia would like you to believe that your $1,599-and-up purchase is going further than you might expect. Jumping from the RTX 3080 Ti to the RTX 4090 in the same 4K, "ultra" preset benchmark, sans DLSS, resulted in "only" a 28.1 percent boost. One major example came from 2020's famously CPU-limited Microsoft Flight Simulator. Still, with only rasterization as a metric, some testing limits became evident in a small percentage of tests. Only when I put the game into its fullest "overkill" settings mode did the RTX 4090 start to significantly pull ahead. ![]() This appears to be an issue with the game's streaming of assets and textures, and it could clearly use more optimization to make the most of an overkill GPU like the 4090. My only disappointing VR test result came from No Man's Sky, which spurts and stutters in VR, even with the power of the RTX 4090 behind it. As a highlight, the famously inefficient Fallout 4 VR now runs so smoothly on an HP Reverb G2-truly, zero hitches in a maxed-settings test-that I could actually imagine playing the whole campaign this way. The 4090 also mostly tests well as a brute-force option for VR. I still found meaningful distinctions between GPUs on my test rig-which sports an AMD Ryzen 7 5800X and 32GB of DDR4-3200 RAM-and I don't think anybody shooting below the $1,599-and-up GPU marketplace should dump comparable systems just yet. Nvidia suggests that all 4090 owners should upgrade CPUs and get system RAM up to a DDR5 rating, and my own tests bear that out. The RTX 4090 is so powerful that I've reached a point where some tests' maxed-out settings at 4K resolutions have become CPU-limited, and that makes our usual slew of multi-GPU comparisons a bit moot. And the Hitman 3 benchmark sequence in a fancy-pants Dubai palace, with max RT settings flipped on, fully doubles the 3080 Ti's frame rate. Shadow of the Tomb Raider with RT: up a staggering 90.8 percent. In Guardians of the Galaxy's most maxed-out 4K ray tracing preset, the 4090 is up 68 percent. ![]() In Control, the 4090's lead over 3080 Ti is 81 percent with all ray tracing settings maxed out. ![]() Another option: Drop the resolution to 1080p to enjoy a whopping 260 fps ray-traced average! With global illumination enabled!) (Yes, 4090 owners: You can finally get this demanding game to average more than 60 fps at 4K with all RT settings maxed. Its gains in Quake II RTX-with its high-end global illumination model-reach nearly 87 percent at 4K. When ray tracing enters the conversation, the RTX 4090's average margin over the 3080 Ti grows even bigger-all without any form of image reconstruction (i.e., DLSS) enabled. ![]()
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