推荐回答（5个）
很难说 谁好 谁不好，微星 蓝宝 迪兰 都是 一线品牌 ,做工，品质 都是 值得 信赖的!
微星 HAWK 默认性能是 三个 牌子里面最好，其次 蓝宝 黑钻。
HAWK 的高性能 同时带来了 高功耗，高热量（太 高大上 了，屌丝 爱不起！）。蓝宝 黑钻 贩卖量 也是不大的，白金 总是 缩头缩脑，看着 比较 猥琐 ^_^ ！！！
对比 起来 还是 迪兰 比较 老实，我就 喜欢 老实的 ！
所以，个人 更喜欢 “兰” O(∩_∩)O哈哈~
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HD7850 在年初的 时候，还是 值得 考虑的 二手 显卡，但 放到 现在 马上 国庆了 ......
二手卡 的 保修期 是 越来越短了！楼主 如果是 买二手 HD7850 要谨慎 一些！
如果 只是 谈谈 微星 蓝宝 迪兰 ：
微星 --- 如狼似虎 --- 要顶住噢
蓝宝 --- 娇艳若滴 --- 很诱惑噢
迪兰 --- 青春无邪 --- ( _______) ------ 留个 给 楼主 填空 吧 ^_^
其实蓝宝和迪兰都是A卡的一线厂商。嫁给来说蓝宝的略贵一点儿。微星的N卡做的很好，A卡没有用过所以不便多说，任何一块显卡都是次品率不论是哪个牌子，所以不能以这些来衡量一个厂商的能力。
蓝宝石 和迪兰恒进 着俩那个都行 质量 很好 我蓝宝石 4830 用4年了 木一点事
蓝宝i师=迪兰恒进》微星
蓝宝石和迪兰恒进是ati显卡最好的2个，微星的主板不错，显卡也可以
如果从质量考虑，当然是华硕，技嘉这样的大品牌更好。相对来说微星比 其他两个可能也好一点。
但是7850这个档次的显卡，大家都是做的不错的。没有人会用自己的主力品种开玩笑的。 出问题
的常常是低档次的显卡，或者新的显卡芯片刚刚出来的时候。而7850已经有年头了。
不过， 蓝和迪兰是专门做 A卡的，而微星 N\A都做。 我觉得如果性能差不多，可能便宜的是最好
的选择。
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