I Tested the Nvidia ReBAR "Bug" Jayz Found… He Was Wrong
18In this video, I test the impact of Resizable BAR on benchmarks and gaming across 1080p, 1440p, and even 4K using RTX 5090
We compare ReBAR off, enabled by driver, and forced globally to find out when it actually helps... and when it might hurt.
If you’ve been confused by recent claims or wondering whether to tweak your settings, hope this clear things up.
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🔥 System Specs:
PSU : Seasonic PRIME TX-1600 Noctua Edition
CPU : AMD Ryzen 9950XD
Motherboard : AORUS X870E XTREME AI TOP
RAM : G.SKILL Trident Z5 Royal Neo F5-6000J2636G16GX2-TR5NS &
Lexar ARES Gen 2 LD5U16G60C26BR-RGD
GPU : AORUS GeForce RTX 5090 MASTER 32G OC
AIO Cooler : Lian Li Hydroshift LCD AIO 360mm
00:00 - Intro
00:35 - What is Resizable BAR
02:52 - Jayz ReBAR Bug Claim
05:02 - Test setup
05:33 - 3DMark Benchmark results
07:15 - Cyberpunk 2077: 1080p/1440p
08:07 - Horizon Zero Dawn: 1080p/1440p
08:31 - F1 24: 1080p/1440p
08:54 - AC Valhalla: 1080p/1440p
09:35 - Forza Horizon 5: 1080p/1440p
09:59 - Nvidia Approach
11:06 - Rainbow Six Siege 1440p
11:32 - 4K Testing
12:18 - How to revert changes
12:30 - Outro
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