The RTX 4090 provides a lot of performance when it comes to gaming. With a graphics card this fast, I was concerned what would happen if I used it on a motherboard which only supported PCIe 3.0. The RTX 4090 supports PCIe 4.0 and with its very fast capabilities, one would think it would require a lot of bandwidth which therefore may be held back on PCIE 3.0. I eventually plan on using this graphics card on another rig which only has a PCIe 3.0 motherboard and so I conducted gaming benchmarks to see if there would be a performance loss and if so how much performance we would lose.

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Personal RIG
CPU: AMD Ryzen 9 5900X
CPU Cooler: Thermaltake TH360 SNOW
RAM: G Skill Trident Z 32GB(4x8GB) 3600MHz CL14
Motherboard: Gigabyte X570 Aorus Master
Graphics Card: EVGA RTX 2080 XC Gaming Watercooled
SSD1: Samsung 970 EVO Plus 1TB
SSD2: Samsung 950 Pro 512GB
SSD3: Crucial MX 300 525GB
HDD2: Western Digital Caviar Blue 1TB
HDD3: Seagate Barracuda 3TB
PSU: Corsair RM850X
CASE: Thermaltake View 51 Snow
Monitor: BenQ XL2730Z 144Hz 1440P
OS: Windows 10 Pro 64-bit

#nvidia #RTX4080 #PCIe4vsPCIe3