GeForce RTX 5090 vs Radeon RX 9070 XT
cuda / stream coresを並べて確認。
cuda / stream coresを理解する
CUDA cores are NVIDIA's general-purpose shader units. They handle raster rendering, compute, and general parallel workloads.
Cross-generation comparison
CUDA cores from different architectures (Ampere vs Ada vs Blackwell) are not equivalent — Blackwell cores deliver more work per clock thanks to architectural improvements. Within the same generation, CUDA count is a strong predictor of performance.
Related units
- Tensor Cores — accelerate matrix math for DLSS, ML inference.
- RT Cores — accelerate ray traversal.
- CUDA Cores — everything else (raster, general compute).
A modern RTX card lists all three. Tensor and RT counts scale roughly with CUDA count within a generation.
この対戦GeForce RTX 5090's 21760 is roughly 431% higher than Radeon RX 9070 XT's 4096 (a 17664 gap). Whether that gap is noticeable depends on workload — small percentage gaps rarely change day-to-day experience, while gaps of 20% or more usually do.
cuda coresとは？
NVIDIA's parallel shader processors. Each CUDA core executes one floating-point or integer operation per clock; total count is a rough indicator of raster throughput within a generation.
CUDA coresの詳しい解説を読む →この比較の他のスペック
完全な グラフィックスカード カテゴリをMars Score順で見る。