從R9-280X到RX470 - 3C

By Kama
at 2017-02-18T19:54
at 2017-02-18T19:54
Table of Contents
之前我曾在推文裡糾結要不要從280X升級成470
本來想打退堂鼓 但是無奈換換病發作加上以下各種自我催眠
"RX500肯定沒那麼快出來 GF會烙賽"
"就算真的年中生出來還要等台灣正式上市"
"就算台灣同步上市肯定是鬼島價 妥妥的"
"就算廠商集體腦袋抽風開佛心價 也是480首當其衝 不怕不怕我神經比較大"
就在這時我朋友說話了 "那個耳機我跟你收"
好吧最後一根稻草出現 省的我另外賣耳機 直接衝一發吧
首先 比較對象
ASUS R9-280X-DC2T-3G 不加壓時脈加到1150MHz RAM不動保持1600
以280X來說這個核心時脈已經算高了
新買得對象
MSI RX470 GAMINGX 8G
這張 預設 核心時脈1242電壓1062 RAM1650電壓1000
手動固定電壓為預設1062mv情況下 核心可以拉到10%也就是1365MHz
手動加電壓時 電壓1150可以穩跑12.5%也就是1395MHz 1160穩跑13%也就是1405MHz
RAM我是設定不加壓拉到1900
(原本我是加壓到1050mv 之後發現預設電壓就夠 而且還更穩)
跑分的截圖我就不PO了 反正我這篇是心得不是測試
直接看長條圖
http://i.imgur.com/AJnIBhN.jpg
以FS跑分來說
預設時脈下對比280X 470分數成長了20%
超到1405時 分數成長了36%
(途中不加壓OC是用1360MHz的數據 是因為我當忘記測1365的數據 基本上是好一點點)
http://i.imgur.com/9Khp3VK.jpg
以TS分數來說
因為280X DX12支援性比較弱 所以分數成長更為明顯
預設時脈下 470分數成長了44%
超到1405時 分數成長甚至來到60%
以遊戲實際體驗來說
http://i.imgur.com/Waexpq3.jpg
DX11模式下
預設時脈下 470平均幀數成長了26% 來到64.7幀
超到1405時 成長了40%來到71.6幀
(沒拉PL的幀數比拉到50%高 我想應該在誤差內)
http://i.imgur.com/kvFsiUQ.jpg
DX12模式下 增幅就更明顯了
預設時脈下 470平均幀數成長54% 來到74.1幀
超到1405時 成長69%來到81.5幀
就以上對比數據來說
無論DX11 DX12
實際遊戲上幀數的增幅都比跑分增幅還要明顯
這真是個好消息 這代表不只是跑分有感 實際遊戲也很有感
另外 我這張470 拉PL跑分會有微幅上升
不過就實際幀數而言不明顯 感覺都在誤差範圍內
2/20更新:
以上數據都是手動固定電壓的玩法
昨天發現原來瓦特人的自動電壓還真的會自動拉電壓
試了一下發現直接自動電壓 無腦拉PL到50% 核心可以直接拉到15%...
穩跑3DMARK壓力測試 結果還比我手動%數高= =
難怪底下有大大說他是跑15% 這樣可以無腦超感覺CP有點高啊...
還有我發現我的RAM跑1850跟跑1900基本分數一樣 估計是時序問題吧
所以之後都改成1850用了
另外我個人是選擇8G版 因為真的會使用的到
http://i.imgur.com/JN2Erh5.jpg
http://i.imgur.com/qvN9h9Z.jpg
http://i.imgur.com/pDan3XC.jpg
Cities:Skylines 外加訂閱一堆物件與系統MOD雜七雜八加一加共771個
VRAM使用達7.5了... 選擇8G不再只是信仰...
題外話一下 上次遊戲更新後反鋸齒的MOD不能用了 有人有認識能用的反鋸齒MOD嗎
然後用了8G madVR+FM應該也可以開爽爽了
最後
http://i.imgur.com/uNQBtzP.jpg
對比下來 470具備480九成實力 但是只要8成價格
好470 不買嗎
我個人從280X升級成470_8G 目前感覺很好!!
尤其是有玩DX12的遊戲 非常有感
目前某些店家還有升級活動 任搭-300 HITMAN再-300 再送耳機
有興趣可以參考看看
--
推 newz : 空集合+108/28 08:44
推 michaelchen1: 空集合....08/28 08:55
→ maniaque : 空集合+108/28 08:55
→ LamLooIng : 空集合是在北屯哪?google沒資料08/28 16:20
→ LamLooIng : 喔 又是宅宅用語…08/28 16:24
推 ks031239 : -.-空集合不是國中還高中數學教的嗎?08/28 16:54
--
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