Radeon RX 6400 Suffers 14% Performance Loss Over PCIe 3.0

Radeon RX 6400 Suffers 14% Efficiency Loss Over PCIe 3.0

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TechPowerUp not too long ago examined AMD’s new Radeon RX 6400 GPU on the slower PCIe 3.0 interface to measure any substantial drops in efficiency in comparison with PCIe 4.0 and located that to be the case because of the GPU’s unorthodox configuration of simply 4 PCIe lanes. On common, efficiency drop-offs had been upwards of 14%, relying on the decision.

AMD’s Radeon RX 6400 is the corporate’s latest entry-level GPU for the desktop market that includes AMD’s tremendous tiny Navi 24 die, initially for laptops. Like its greater brother, the Radeon RX 6500 XT, this GPU solely packs 4 PCIe 4.0 lanes as a measure to chop down prices. The Radeon RX 6400 includes a tough 13% discount in core rely and reminiscence bandwidth in comparison with the Radeon RX 6500 XT. The graphics card has simply 768 cores and 128 GBps of reminiscence bandwidth, because of a discount in GDDR6 speeds to 16 Gbps. Nevertheless, reminiscence capability stays the identical at 4GB. However the Radeon RX 6400’s fundamental power is its energy consumption. It has half the Radeon RX 6500 XT energy draw for 53W, making this GPU very helpful in small techniques finances techniques that can’t energy higher-end GPUs with auxiliary energy. 

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