X-Plane 12 — Head to Head
ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K vs ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K
Comparing performance for X-Plane 12 · Scoring: 45% CPU / 55% GPU weighted
RTX 4090 vs RTX 5080 in ASUS ROG GT35 (Core Ultra 9 285K, 64GB DDR5, 2TB SSD) for X-Plane 12: 1.65-pt gap, value decides.
The RTX 5080 configuration scores 94.2/100 against the RTX 4090's 92.55/100 on our model-derived scale — a 1.65-point gap that translates to marginal real-world differences rather than a generational leap in X-Plane 12 workloads. The RTX 4090 config holds its own in standard VR city flyovers and dense photogrammetry zones like KLAX or EGLL, where its 24GB VRAM ceiling rarely becomes a bottleneck at current texture resolutions. The RTX 5080 config edges ahead during high-traffic VATSIM sessions over photogrammetry-heavy corridors like the KSFO Bay Area approach with Orbx scenery active, where its improved memory bandwidth and architecture efficiency tighten frame times under sustained GPU load.
ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 4090 24GB, 64GB DDR5, 2TB NVMe SSD
Choose ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 4090 24GB, 64GB DDR5, 2TB NVMe SSD if you fly VR cross-country legs and dense photogrammetry airports like EGLL without heavy VATSIM traffic and want flagship-tier performance at a lower price tier.
ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 5080, 64GB DDR5, 2TB NVMe SSD
Choose ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 5080, 64GB DDR5, 2TB NVMe SSD if you run demanding online multiplayer VATSIM sessions over photogrammetry-heavy approach corridors and want the most headroom for next-gen X-Plane 12 scenery updates.
The 1.65-point score gap is marginal — both rigs are overkill for current X-Plane 12 — so buy the RTX 4090 config if it sits at a meaningfully lower price tier; only step up to the RTX 5080 config if the price delta is narrow and you prioritize long-term headroom.
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Quick Take: ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 4090 24GB, 64GB DDR5, 2TB NVMe SSD vs ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 5080, 64GB DDR5, 2TB NVMe SSD
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Best Value
ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K
4K Performance
ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K
ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 4090 24GB, 64GB DDR5, 2TB NVMe SSD scores 92.55/100 while ASUS ROG Strix GT35 Gaming Desktop – Intel Core Ultra 9 285K, NVIDIA GeForce RTX 5080, 64GB DDR5, 2TB NVMe SSD scores 94.2/100 for X-Plane 12. They are closely matched performance-wise.
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