Intel Arc A系列桌面独立瞎看一直只有Arc A380这么一根独苗，而赶在第三季度的末尾，终于扩军了。

昨晚，Intel CEO帕特·基辛格宣布其旗舰独立显卡Arc A770的售价为329美元起，10月12日解禁上市。

今天，Intel终于正式发布了四款新的显卡，包括旗舰的Arc A770 16GB、Arc A770 8GB，高端的Arc A750，入门级的Arc A310——再等等主流的Arc A580就凑齐一家人了。

Arc A770 16GB/8GB只是显存容量不同，其他保持一致，非公版用多少由厂商决定。

它们采用满血设计，集成32个Xe核心(等效4096个执行单元)、32个光追单元，核心频率平均2100MHz，显存搭配256-bit 16GHz GDDR6，带宽为512GB/s，系统支持PCIe 4.0 x16，整卡功耗225W。

Arc A750简化为32个Xe核心、32个光追单元，核心频率平均2050MHz，显存位宽和频率、系统总线、功耗同上。

官方给出的性能参考是它们可以在2K分辨率、高画质下流畅运行3A大作，二者性能差异在不同游戏中10-20％不等。

它们俩对标的竞品都是RTX 3060。

按照官方数据，Arc A770可以在开启光追的情况下取得大部分游戏的领先，而开启XeSS超分辨率技术可以带来大幅度的性能提升，最多翻番。

Arc A750综合43款DX12游戏、6款Vulkan游戏，1080p/2K分辨率下可以取得对RTX 3060 3-5％左右的领先优势。

Arc A310的规格就很不好看了，只有区区6个Xe核心(等效96个执行单元)、6个光追单元，核心频率2000MHz，显存也不过64-bit 4GB GDDR6，等效频率15.5GHz，带宽仅14.4GB/s，整卡功耗75W，可以不需要外接供电。

官方称可以在1080p中画质下搞定中等压力的网游、3A游戏。

但是要知道，12代酷睿核显都已经有了最多96个单元，同样是Xe架构，只不过是Xe LP低功耗版本，AMD那边更是做到了12个RDNA2单元。

另外，Arc A580的基本规格之前也透露过，24个核心，核心频率1700MHz，8GB GDDR6显存，整卡功耗175W。

架构图

Intel这次官方设计了Arc A770、A750的限量版，地位相当于公版，区别在于前者有蓝紫色调的四区RGB灯效，集成了90个可自定义的RGB LED灯珠。

它们配备了相当豪华的散热设计，包括两个15扇叶定制轴流风扇、导风罩、高密度铝质鳍片、四条10 x 3毫米扁平式纯铜热管、真空腔均热板、纯铜底座、全覆盖背板。

风扇噪音在50厘米之外只有39分贝，如果使用开放式机箱更是可以降至35分贝，还不如说悄悄话的声音大。

全高双插槽的标准身材，长度也是标准的26.7毫米(10.5英寸)，输出接口有三个DP 2.0、一个HDMI 2.1。

Intel Arc显卡的合作伙伴有宏碁、华硕、技嘉、蓝戟、惠普、微星、攀升、京天、宁美、名龙堂等，非公版卡和整机将陆续推出。

Arc A770/A750限量版图赏：

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