ATI HD-4870X2 雙核卡皇玩家超詳細測試（26款遊戲、2款MARK）
[size=12px]双芯卡皇HD4870x2玩家超详细测试（26款游戏、2款MARK）！！CPU早已过渡到四芯，而GPU双芯之路却还刚刚起步，那么AMD这款HD4870x2将能做到什么程度呢？ 看了许多商业网站的测试，不妨再来看看本人以HD4870x2 VS GTX280做的对比测试吧！26款近两年的经典游戏及2款3dmark软件的综合评测，应算相当少有的全面吧。测试平台如下:
CPU: [email=QX9650@4.275G][color=#0000ff]QX9650@4.275G[/color][/email](450x9.5)
MB: ASUS STRIKER EXTREME II(790I ULTRA)
RAM: G.S DDR3 1600 2Gx2 @ 1800 7-7-7-18-2t
PWR: TT Toughpower 1500w
VGA: 迪兰HD4870x2 2G DDR5（核心750）
耕升GTX280 1G DDR3（核心602）
测试说明（必看）：
1、除3dmark vantage测试X模式、Crysis测试1920x1200 VH 4AA模式、其他所有游戏和软件的测试则均在2560x1600下测试
2、游戏测试如无特别说明，一般设置为4AA，少数游戏因有fps上限，会加大AA倍数以拉开测试结果差距，个别游戏则通过显卡控制面板强制打开AA
3、关于参测游戏的选择，是从本人的兴趣点出发，尽量包括近两年的游戏“大作”，虽然A/N的优势游戏都有，但仍未必能符合每个人的口味，请予理解
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测试前先来看看A/N旗舰的体积对比,很显然,几乎一样（但HD4870x2手感更重）
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/280＆4870x2.jpg[/img][color=#0066cc] [/color][/url]
先来3dmark vantage测试，为避免争议，GTX280关闭了物理加速
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-3dv.jpg[/img][color=#0066cc] [/color][/url]
3dmark06，即使2560x1600 4AA 16AF开启，A/N仍然都有不俗的表现，HD4870x2更大幅胜出GTX280
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-3d06.jpg[/img][color=#0066cc] [/color][/url]
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接下来是26款游戏在HD4870x2和GTX280上运行的对比测试，全部附带最高、最低、平均fps的详细数据，毕竟这些都可能直接影响游戏体验
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-assassin.jpg[/img][color=#0066cc] [/color][/url]
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[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][color=#0066cc][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-crysis.jpg[/img] [/color][/url]
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][color=#0066cc][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-ut3.jpg[/img] [/color][/url]
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][color=#0066cc][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-vegas2.jpg[/img] [/color][/url]
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][color=#0066cc][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-wic.jpg[/img] [/color][/url]
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][color=#0066cc][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-coj.jpg[/img] [/color][/url]
由于数据众多，这里将所有游戏HD4870x2和GTX280的性能百分比平均后，给出一个简单易看的结果。显然，HD4870x2凭借双芯的高效率（几乎是4870的200%），在性能表现上大幅超出N家旗舰GTX280，平均效能达到后者的145.2%！
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-overall.jpg[/img][color=#0066cc] [/color][/url]
测试中发现的一些问题：
1、仍有15%的游戏GTX280取得了优胜（可能是游戏本身对双芯的支持度欠佳）
2、即使是HD4870x2优胜的游戏，仍有部分出现了最低fps表现弱于GTX280的情况，这恐怕需要驱动或游戏补丁的进一步改进
3、在个别游戏（如Grid中），测试时出现了画面突然幻灯的情况（疑似GPU温度过高导致）
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那么HD4870x2温度表现究竟如何？先用测温枪测试显卡满载时PCB背板的温度
GTX280
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/temp-280.jpg[/img][color=#0066cc] [/color][/url]
HD4870x2
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/temp-4870x2.jpg[/img][color=#0066cc] [/color][/url]
加入在操作系统内监控到的温度测试后的图表，可以说，HD4870x2继承了4870的特点，无论待机或是满载温度均比GTX280高出一截，这可能会对部分用户造成困扰
[url=http://www.xfastest.com/viewthread.php?tid=12642&extra=&page=1#zoom][img]http://www7.babidou.com/pic/2007/4/21/shiver76/test/4870x2/4870x2-temp.jpg[/img][color=#0066cc] [/color][/url]
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结论：
1、AMD的双芯HD4870x2向人们展示了显卡多芯化发展的美好前途,毕竟在此次测试中,连Crysis也被8.8beta拿下(HD4870x2的表现直逼GTX280 SLI),可谓相当优异.
2、软件的支持和驱动的优化，仍是多芯能否取胜的关键
3、若能改进散热和超频方面（经简单测试，HD4870x2的超频能力实在不尽人意）的表现，HD4870x2将会更加完美
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