善意提醒:470 8G > 480 4G >>> 1059 - 3C

By Kristin
at 2016-10-25T21:27
at 2016-10-25T21:27
Table of Contents
有鑑於6-7K中階顯卡,諸多版友糾結該買RX470 8G還是480 4G
甚至被其他宰羊卡(1059 3G、1050ti)迷惑
版上又充斥不實測只臆測的無責任言論
在此決定正本清源,大聲呼籲真相: 470 8G > 480 4G >>> 1059
目前470 8G和480 4G的價格相當接近
但是只要你選480 4G就注定很快會後悔了,原因如下:
1.已經有AAA級遊戲讓4G ram嚴重卡頓
1080P用不到8G ram完全是不負責任的錯誤訊息
解析度對材質容量的影響有限,未來AAA遊戲不管你解析度開多少都很可能爆4G
古墓崛起材質最高1080P,遊戲中會吃到7.4G左右的ram (afterburner實測)
就算開720P也只能降低一點點,還是破7G
用4G卡跑會不時卡頓,用3G卡簡直不能玩
評測網站跑崛起內建的benchmark差異不明顯,但實機遊玩沒8G ram就是嚴重不順
而且,材質對畫面的影響極大!
開最高 VS 開高 畫質差異一目瞭然,只有材質最高才真正有次世代AAA畫面
(附帶一提,崛起就算材質只開高也會爆3G ram,買1059玩崛起完全是笑話)
2.記憶體的速度不一樣!!!! 8G的記憶體通常比較好
各家廠商對於北極星系列給的記憶體規格,4G卡通常都用比較差的ram
480 4G預設記憶體時脈就比480 8G低,而且超不高
(通常最高效能只能超到1750Mhz,再高會放寬時序反而效能降低)
但是470 8G...手上這張即使是用超雷的美光記憶體,還是能超到1950Mhz
一來一往之下,RX480 4G的效能優勢大大被削弱
3.470超頻即有480效能,但480再超上去幅度有限,溫度和功耗卻爆增!
470 8G小超頻,core1320/ram1900 山豬打火差不多就有13100分左右的水準
相信體質買到好一點的,跑到13500也不意外
這性能已經小勝公版RX480,海放GTX970
功耗也還在150W之下,不會太熱
當然RX480是還能繼續超頻沒錯,可是北極星系列到一定效能之後就很難超
增加一點點效能就會讓功耗/溫度暴增!
RX480公版就快頂破150W,再超上去破200W很正常
就算不計後果狂超,頂多跑個 core1400/ram1750,了不起就14300分左右
比起小超470 8g,效能也許只多個7~8%
7~8%是甚麼概念? 如果470只能跑30fps的遊戲,那480就變32fps...
嗯....很有感,「功耗」一定很有感 XD
更慘的是480 4G目前的價位往往還比470 8G高 Orz
而470 4G只比8G便宜一點點而已,C/P高下立判
電蝦常見謬論
「470的性能用不到8G ram」 → 啊470效能就和480幾乎一樣啊...
「想買480,只開1080P,4G就夠了」→ 崛起和蝙蝠俠AK都爆4G
AAA遊戲爆v-ram海嘯已勢不可擋
結論:買個最便宜的未來,請選RX470 8G!
(by 買了470 4g不到半個月受不了,貼錢換8G的原po)
--
甚至被其他宰羊卡(1059 3G、1050ti)迷惑
版上又充斥不實測只臆測的無責任言論
在此決定正本清源,大聲呼籲真相: 470 8G > 480 4G >>> 1059
目前470 8G和480 4G的價格相當接近
但是只要你選480 4G就注定很快會後悔了,原因如下:
1.已經有AAA級遊戲讓4G ram嚴重卡頓
1080P用不到8G ram完全是不負責任的錯誤訊息
解析度對材質容量的影響有限,未來AAA遊戲不管你解析度開多少都很可能爆4G
古墓崛起材質最高1080P,遊戲中會吃到7.4G左右的ram (afterburner實測)
就算開720P也只能降低一點點,還是破7G
用4G卡跑會不時卡頓,用3G卡簡直不能玩
評測網站跑崛起內建的benchmark差異不明顯,但實機遊玩沒8G ram就是嚴重不順
而且,材質對畫面的影響極大!
開最高 VS 開高 畫質差異一目瞭然,只有材質最高才真正有次世代AAA畫面
(附帶一提,崛起就算材質只開高也會爆3G ram,買1059玩崛起完全是笑話)
2.記憶體的速度不一樣!!!! 8G的記憶體通常比較好
各家廠商對於北極星系列給的記憶體規格,4G卡通常都用比較差的ram
480 4G預設記憶體時脈就比480 8G低,而且超不高
(通常最高效能只能超到1750Mhz,再高會放寬時序反而效能降低)
但是470 8G...手上這張即使是用超雷的美光記憶體,還是能超到1950Mhz
一來一往之下,RX480 4G的效能優勢大大被削弱
3.470超頻即有480效能,但480再超上去幅度有限,溫度和功耗卻爆增!
470 8G小超頻,core1320/ram1900 山豬打火差不多就有13100分左右的水準
相信體質買到好一點的,跑到13500也不意外
這性能已經小勝公版RX480,海放GTX970
功耗也還在150W之下,不會太熱
當然RX480是還能繼續超頻沒錯,可是北極星系列到一定效能之後就很難超
增加一點點效能就會讓功耗/溫度暴增!
RX480公版就快頂破150W,再超上去破200W很正常
就算不計後果狂超,頂多跑個 core1400/ram1750,了不起就14300分左右
比起小超470 8g,效能也許只多個7~8%
7~8%是甚麼概念? 如果470只能跑30fps的遊戲,那480就變32fps...
嗯....很有感,「功耗」一定很有感 XD
更慘的是480 4G目前的價位往往還比470 8G高 Orz
而470 4G只比8G便宜一點點而已,C/P高下立判
電蝦常見謬論
「470的性能用不到8G ram」 → 啊470效能就和480幾乎一樣啊...
「想買480,只開1080P,4G就夠了」→ 崛起和蝙蝠俠AK都爆4G
AAA遊戲爆v-ram海嘯已勢不可擋
結論:買個最便宜的未來,請選RX470 8G!
(by 買了470 4g不到半個月受不了,貼錢換8G的原po)
--
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3C
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