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英特尔曝Arc B770显卡进展:16GB显存+608GB/s带宽
Xin Lang Cai Jing· 2026-01-13 07:20
Core Insights - Intel is reportedly developing a new generation of consumer-grade discrete graphics cards, referred to as Arc B770, utilizing a GPU core codenamed "BMG-G31" [1][4] - The new graphics card is expected to feature 16GB of GDDR6 memory, a 256-bit interface, and a memory speed of 19Gbps, resulting in a theoretical bandwidth of 608GB/s, which is a significant improvement over the current Arc B580's bandwidth of 456GB/s [1][5] Technical Specifications - The Arc B7XX, Arc B580, and Arc A770 graphics cards have core codenames BMG-G31, BMG-G21, and ACM-G10 respectively, with the first two using TSMC's 5nm process and the A770 using a 6nm process [3][5] - The B7XX is equipped with 4096 shading units from 32 Xe2 cores, while the B580 has 2560 shading units, and the A770 also has 4096 shading units but is based on the older Xe architecture [3][5] - The graphics frequencies are currently undisclosed for the B7XX, while the B580 operates at 2.67GHz and the A770 at 2.10GHz [3][5] Memory and Power Specifications - All three graphics cards utilize GDDR6 memory, with capacities of 16GB, 12GB, and 16GB respectively, and memory speeds of 19Gbps, 19Gbps, and 17.5Gbps [4][6] - The memory bandwidths are 608GB/s for B7XX, 456GB/s for B580, and 560GB/s for A770, with power consumption rated at 300W for B7XX, 190W for B580, and 225W for A770 [4][6] - Initial pricing has not been disclosed for the B7XX, while the B580 launched at $249 and the A770 at $349 [6]