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AMD最新技术,源于索尼?
半导体芯闻· 2025-03-07 10:20
Core Insights - AMD FSR 4 has made significant advancements in upscaling technology, although it does not match the quality of NVIDIA DLSS 4, it offers better image quality than its predecessor [1][2] - The new technology, driven by machine learning and exclusive to RDNA 4 GPUs, addresses major image quality issues from previous versions, particularly in complex motion scenarios [1][4] - AMD FSR 4 can outperform older CNN models from NVIDIA in certain situations, such as static or slow-moving objects, but still lags behind NVIDIA's new Transformer model in detail resolution [2][3] Performance Comparison - In terms of performance, AMD FSR 4 is approximately 8% slower than FSR 3 when using performance preset settings, but the trade-off is considered worthwhile due to improved image quality [1] - The technology resolves issues like ghosting in particle effects, detail loss in transparent surfaces, and enhances surface detail for low relative motion objects [1][2] Collaboration and Development - AMD FSR 4 is a result of collaboration between AMD and Sony, aimed at developing high-performance AI architectures for various platforms including PCs and consoles [2][3] - The partnership is part of a broader initiative, with the Amethyst project announced by Sony, focusing on machine learning applications for gaming [2][3] Market Positioning - AMD has positioned FSR 4 as a significant upgrade for users of the RX 9000 series GPUs, similar to how NVIDIA has limited DLSS to its GeForce RTX series [4]
NVIDIA Announces Financial Results for Fourth Quarter and Fiscal 2025
Newsfilter· 2025-02-26 21:20
Core Insights - NVIDIA reported a fourth-quarter revenue of $39.3 billion, marking a 12% increase from the previous quarter and a 78% increase year-over-year [1][5] - For fiscal 2025, NVIDIA achieved a record revenue of $130.5 billion, up 114% from the previous year, with GAAP earnings per diluted share rising to $2.94, a 147% increase year-over-year [2][6] - The company highlighted strong demand for its Blackwell AI supercomputers, which contributed significantly to its revenue growth [2][3] Financial Performance - Q4 FY25 GAAP revenue was $39,331 million, with a gross margin of 73.0%, down from 74.6% in Q3 FY25 [4] - Operating income for Q4 FY25 was $24,034 million, up 10% quarter-over-quarter and up 77% year-over-year [4] - Full-year FY25 GAAP net income reached $72,880 million, a 145% increase from FY24 [6] Segment Performance - Data Center revenue for Q4 FY25 was a record $35.6 billion, up 16% from Q3 FY25 and up 93% year-over-year [5] - Gaming revenue for Q4 FY25 was $2.5 billion, down 22% from the previous quarter and down 11% year-over-year, while full-year gaming revenue rose 9% to $11.4 billion [10] Future Outlook - NVIDIA expects Q1 FY26 revenue to be approximately $43.0 billion, with GAAP gross margins projected at 70.6% [9][25] - The company plans to pay a quarterly cash dividend of $0.01 per share on April 2, 2025 [3] Product Developments - NVIDIA launched new GeForce RTX 50 Series graphics cards, which promise up to a 2x performance improvement over the previous generation [10] - The introduction of NVIDIA DLSS 4 technology aims to enhance gaming experiences with improved rendering capabilities [10]