The NVIDIA RTX 3080 GPU uses PCIe Gen4, and so we have another opportunity to benchmark PCIe 3.0 vs. 4.0, using an AMD X570 platform for benchmarks as to whether PCIe gen matters.
Sponsor: EK 240 AIO D-RGB on Amazon (https://geni.us/d7wGzW)

CORRECTION: Slide at 05:10 for Quake II RTX should read "R9 3900XT and X570 Crosshair VIII Hero," not 10700K. Sorry about that copy/paste error.

PCIe generation testing has always been a hot topic for GPU launches, but this time, it's about PCIe 3 vs. 4. We've most commonly talked about PCIe 3.0 x16 vs. PCIe 3.0 x8, and as Ryzen has matured, that has presented opportunities for Gen4 testing -- except only the 5700XT could leverage it, and so it didn't particularly matter. That's not to say the 5700 XT wasn't good, but just that it was unable to leverage the additional bandwidth in any meaningful way. Our previous testing with Titan RTX cards also showed limited gains, and so we're revisiting this storyline today with our NVIDIA RTX 3080 GPU (the Gigabyte Eagle also makes a brief feature). This tests PCIe generational bandwidth for gaming and for workstation workloads.

Grab a GN Foil 1 Million Subs shirt while you can! https://store.gamersnexus.net/products/limited-gold-foil-1-mill-subs-shirt (you get something cool, high quality, and get to support our further test equipment purchases at the same time. Thank you for 1 million subscribers! It's been a crazy ~13 years since we started the website, and a crazy 11 on YouTube).

Watch the RTX 3080 review here: https://www.youtube.com/watch?v=oTeXh9x0sUc
RTX 3080 FE Tear-Down: https://www.youtube.com/watch?v=OX9Eh_NaC5c
Article: https://www.gamersnexus.net/hwreviews/3618-nvidia-rtx-3080-founders-edition-review-benchmarks

Watch our NVIDIA Ampere GPU Architecture Deep-Dive: https://www.youtube.com/watch?v=AmNL2Cg2OO8
$13K of our New GPU Testing Methodology Equipment: https://www.youtube.com/watch?v=-P7-ML-bPCE

RELATED PRODUCTS (Test Bench Parts)

ASUS ROG Maximus XII Hero Z490 on Amazon - https://geni.us/0682
Intel i7-10700K CPU on Amazon - https://geni.us/Io2g98
EVGA Supernova 1600W T2 Titanium PSU on Amazon - https://geni.us/9ioW
Arctic Liquid Freezer II 280 on Amazon - https://geni.us/RJBy
GPU - This is what we're testing!

ASUS ROG Crosshair VIII on Amazon - https://geni.us/Z6Ju
AMD R9 3900XT on Amazon - https://geni.us/ivvR

TIMESTAMPS

00:00 - RTX 3080 Generational Testing
00:53 - This Is Not a CPU Benchmark
02:47 - Marketing Value of Bigger Number Better
04:07 - 3DMark PCIe Bandwidth Test Validation
04:36 - Quake II RTX
05:37 - Red Dead Redemption 2 4K DX12
06:20 - Red Dead Redemption 2 1440p DX12
07:05 - Rainbow Six Siege 1440p Ultra
07:26 - Rainbow Six Siege 1080p
08:07 - Shadow of the Tomb Raider 4K
08:35 - Tomb Raider 1440p
08:50 - Microsoft Flight Sim 2020 PCIe Gen 3 vs 4 Benchmarks
09:20 - Hitman 2 PCIe Gen Benchmarks
09:40 - GTA V PCIe 3 vs 4 Benchmarks
10:12 - Blender GPU Cycles Benchmarks
10:25 - Conclusions

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Editorial, Testing: Steve Burke
Additional Testing: Patrick Lathan
Video: Keegan Gallick, Andrew Coleman