午夜性刺激在线观看免费,全免费A级毛片免费看无码,国产精品亚洲一区二区三区久久,亚洲精品无码久久久久,国产三区在线成人AV,亚洲乱码一区二区三区在线欧美,国产一区二区视频在线播放,久久亚洲精品无码观看不卡,精品九九人人做人人爱,少妇人妻无码精品视频app

向右滑動(dòng):上一篇 向左滑動(dòng):下一篇 我知道了

Nvidia發(fā)表28nm Kepler架構(gòu)繪圖處理器

Nvidia公司近日推出新一代臺(tái)式電腦和筆記本電腦用繪圖芯片,預(yù)期這將使其與Advanced Micro Devices (AMD)公司之間于28nm技術(shù)的新一輪戰(zhàn)爭(zhēng)進(jìn)一步加劇。

Nvidia公司近日推出新一代臺(tái)式電腦和筆記本電腦用繪圖芯片,預(yù)期這將使其與Advanced Micro Devices (AMD)公司之間于28nm技術(shù)的新一輪戰(zhàn)爭(zhēng)進(jìn)一步加劇。相較于其Nvidia上一代的40納米(nm) Fermi繪圖芯片,該公司宣稱首款采用臺(tái)積電28nm制程技術(shù)開發(fā)的Kepler芯片可望實(shí)現(xiàn)更高兩倍的性能。 Nvidia采用Kepler架構(gòu)的顯示卡GTX 680已正式上市。它可在GHz級(jí)時(shí)脈速度下支持1,536組Nvidia專有的CUDA渲染核心以及192個(gè)控制邏輯核心,較上一代Fermi分別實(shí)現(xiàn)的512組核心與32顆核心性能更大幅提升。

Nvidia發(fā)表28nm Kepler架構(gòu)繪圖處理器wwxesmc

如同英特爾和其它廠商一樣,Nvidia已經(jīng)了解到以更多核心與較慢時(shí)脈速度可說是實(shí)現(xiàn)更佳功效率的途徑。 Fermi 以1,54GHz的時(shí)脈速度執(zhí)行渲染核心,而芯片其它部份則采用772MHz作業(yè)。而在開發(fā)Kepler時(shí),Nvidia采用了一條不同的路徑,全芯片均采用1.006GHz的時(shí)脈速度,但使用了多達(dá)3倍的CUDA核心數(shù)。 GTX 680顯示卡搭載一個(gè)PCI Express Gen 3總線,功耗為195W,較先前Fermi芯片的250W功耗更低。這意味著新的PC必須采用兩個(gè)傳統(tǒng)6接腳的電源供應(yīng)器來(lái)支持該顯示卡,而非原本Fermi采用一個(gè)6接腳與一個(gè)8接腳供電的方式。 此外,Kepler芯片是Nvidia全新600M筆記型電腦繪圖芯片系列的基礎(chǔ),該芯片產(chǎn)品現(xiàn)已出貨給OEM。低階版本應(yīng)該很適合用于筆記型電腦市場(chǎng),Nvidia的發(fā)言人說。 Acer公司已經(jīng)推出采用600M芯片的筆記型電腦。其它還有九家一線的筆記型電腦制造商也將在其搭載英特爾新款 Ivy Bridge處理器的新款筆記型電腦中采用600M芯片;Ivy Bridge處理器預(yù)計(jì)將在四月下旬發(fā)布。 根據(jù)Moor Insights & Streategy公司首席分析師Patrick Moorhea,600M系列具有一種可從CPU進(jìn)行功率動(dòng)態(tài)調(diào)整至GPU的獨(dú)特性能?!癘EM為CPU與GPU使用一種散熱器,因而能夠精確掌握整合CPU與GPU時(shí)可做到什幺程度,這也是前所未見的首創(chuàng)設(shè)計(jì)?!彼f。 盡管獨(dú)立測(cè)試基準(zhǔn)尚未發(fā)布,但市場(chǎng)觀察家預(yù)計(jì),Nvidia Kepler系列的性能約相當(dāng)于AMD在二月量產(chǎn)出貨的28nm系列組件HD 7970。 “由于兩家公司的芯片在高時(shí)脈速率時(shí)均采用了GDDR5內(nèi)存,預(yù)期雙方的產(chǎn)品之間相當(dāng)具有競(jìng)爭(zhēng)性,”Mercury Research公司負(fù)責(zé)人Dean McCarron表示,“兩家公司預(yù)計(jì)在整個(gè)夏天大量生產(chǎn),預(yù)期將為這個(gè)領(lǐng)域帶來(lái)激烈競(jìng)爭(zhēng)?!彼f。 Jon Peddie Research公司分析師Jon Peddie說:“Nvidia的產(chǎn)品在理論上的規(guī)格數(shù)據(jù)看起來(lái)不錯(cuò),但AMD的HD 7970也不容小覷?!敝挥性诜謩e于兩張顯示卡上為相同的設(shè)備進(jìn)行相同的測(cè)試項(xiàng)目時(shí),才能得到實(shí)際的結(jié)果;不過這項(xiàng)測(cè)試大約要再過幾周才能完成。 根據(jù)Peddie表示,在成長(zhǎng)緩慢的臺(tái)式電腦繪圖芯片領(lǐng)域,Nvidia目前以63%的市占率較AMD的36%市占率更勝一籌;但在成長(zhǎng)較快的筆記本電腦繪圖芯片領(lǐng)域,AMD則擁有52%的市占率,略高于Nvidia的48%。 McCarron表示,AMD在一年前還擁有62%的較高市占率。該公司在2011年的筆記本電腦繪圖芯片出貨量約有7,500萬(wàn)片,預(yù)計(jì)在2013年可望成長(zhǎng)到1億。 英特爾與AMD致力于在新近開發(fā)的處理器同一封裝中加進(jìn)繪圖核心,Nvidia也正逐漸專注于整合型繪圖芯片業(yè)務(wù)。在此開發(fā)趨勢(shì)下,英特爾在包括整合型與獨(dú) 立型的繪圖芯片市場(chǎng)中囊括約5億美元的市場(chǎng)規(guī)模,以59.2%的市占率主導(dǎo)這一市場(chǎng)領(lǐng)域,其次是AMD占24.7%,以及Nvidia約占15.7%。 McCarron表示,雖然AMD較Nvidia更早幾周推出其28nm產(chǎn)品,但兩家公司的產(chǎn)品推出時(shí)程都比PC制造商推出采用英特爾Ivy Bridge的下一代產(chǎn)品更新周期時(shí)間更早得多。 對(duì)于智能手機(jī)與平板電腦應(yīng)用來(lái)說, Kepler芯片的功耗仍然太大了;因此,Nvidia針對(duì)行動(dòng)系統(tǒng)仍以Tegra繪圖核心作為市場(chǎng)區(qū)隔。 編譯:Susan Hong 本文授權(quán)編譯自EE Times,版權(quán)所有,謝絕轉(zhuǎn)載 參考英文原文:Nvidia rolls 28-nm graphics processors,by Rick Merritt

相關(guān)閱讀:
移動(dòng)商機(jī)致GPU戰(zhàn)爭(zhēng)白熱化
高通:我們的移動(dòng)GPU不懼任何對(duì)手!
PC不振,2011 Q4 GPU出貨續(xù)跌10%wwxesmc

{pagination} Nvidia rolls 28-nm graphics processors Rick Merritt SAN JOSE, Calif. – Nvidia Corp. rolled out a new generation of desktop and notebook graphics chips, fueling the next round of neck-and-neck competition with archrival Advanced Micro Devices. Nvidia claims its Kepler chips, its first to use a 28-nm TSMC process technology, have twice the performance per watt of its previous 40-nm Fermi graphics. A Kepler-based graphics card, the GTX 680, officially goes on sale today at retail outlets for $499. It sports 1,536 Nvidia proprietary CUDA rendering cores and 192 control logic cores on a GHz clock. That’s up from 512 and 32 cores in the Fermi parts. Like Intel and others before it, Nvidia has learned more cores and a slower clock is the road to better power efficiency. Fermi ran its rendering cores at 1.544 GHz and the rest of the chip at a cooler 772 MHz. With Kepler, Nvidia takes a different tack, running the whole chip at 1.006 GHz but using three times as many cores. The GTX 680 card rides a PCI Express Gen 3 bus and consumes 195 W, down from about 250W for Fermi cards. That means PCs require two conventional six-pin power supplies to support the card, rather than the one six- and one eight-pin supply Fermi cards needed. Separately the Kepler chip is the basis for Nvidia’s new 600M family of graphics chips for notebook computers, already shipping to OEMs. The low-end versions should be suitable for $599 retail notebooks, an Nvidia spokesman said. Acer is already shipping one notebook with a 600M chip. Nine other top notebook makers will follow suit when they ship laptops using Intel’s new Ivy Bridge processors, expected to be formally released in late April. According to Patrick Moorhead, principal analyst of Moor Insights & Streategy, the 600M has a unique capability to "dynamically shift power" from the CPU to the GPU. "OEMs use one heat spreader for the CPU and GPU so they know exactly how far they can go between combined CPU and GPU--this has never been done before," he said. Independent testers have yet to publish benchmarks, but market watchers expect the Kepler parts will be fairly evenly matched with the 7970, AMD’s 28 nm family that started shipping in volume in February. “Based on the fact both companies’ parts are using GDDR5 memories at high clock rates, I expect they are very competitive,” said Dean McCarron, principal of Mercury Research (Bee Cave, Ariz.) “Both companies will be ramping products through the summer, so we will have some nice battles here,” he said. “On paper Nvidia’s specs look great, but then so do AMD’s for the 7970,” said Jon Peddie of Jon Peddie Research (Tiburon, Calif.). “We won’t really know until we run tests in the same machine with the same programs on both boards,” tests that are not expected to be done for a few weeks, he said. Nvidia commands a market share edge over AMD in the slower growing desktop discrete graphics segment at about 63 versus 36 percent, according to Peddie. But AMD still commands a narrowing lead in the faster growth notebook discrete segment at about 52 versus 48 percent. A year ago, AMD had a larger lead at 62 to 38 percent, McCarron said. A total of 75 million discrete notebook graphics chips shipped in 2011, projected to grow to nearly 100 million in 2013, McCarron said. Nvidia is getting out of the business of chip sets with integrated graphics as Intel and AMD move to put graphics cores on the same package as their latest processors. Due to this trend, Intel is the overall leader in graphics with a share of the $500 million combined integrated and discrete market at 59.2 percent. AMD stands at 24.7 and Nvidia at 15.7 percent, McCarron said. AMD and Nvidia have been roughly matched in graphics performance for about three years. The current chips are not expected to shift the balance significantly. Although AMD had a few weeks lead in shipping its 28-nm generation, both companies are comfortably ahead of the refresh cycle PC makers are in with the upcoming Intel Ivy Bridge processors, McCarron said. The new chips are too power hungry for smartphones and tablets. Thus Nvidia’s graphics cores for its Tegra products for mobile systems have a separate lineage.
責(zé)編:Quentin
本文為國(guó)際電子商情原創(chuàng)文章,未經(jīng)授權(quán)禁止轉(zhuǎn)載。請(qǐng)尊重知識(shí)產(chǎn)權(quán),違者本司保留追究責(zé)任的權(quán)利。
Rick Merritt
EE Times硅谷采訪中心主任。Rick的工作地點(diǎn)位于圣何塞,他為EE Times撰寫有關(guān)電子行業(yè)和工程專業(yè)的新聞和分析。 他關(guān)注Android,物聯(lián)網(wǎng),無(wú)線/網(wǎng)絡(luò)和醫(yī)療設(shè)計(jì)行業(yè)。 他于1992年加入EE Times,擔(dān)任香港記者,并擔(dān)任EE Times和OEM Magazine的主編。
  • 微信掃一掃,一鍵轉(zhuǎn)發(fā)

  • 關(guān)注“國(guó)際電子商情” 微信公眾號(hào)

推薦文章

可能感興趣的話題

好爽好紧好大的免费视频国产| 亚洲国产精品无码一线岛国AV| 午夜福利无码国产精品中文| 日韩无毒视频在线观看| 欧美日韩中文人妻一区| 伊人久久大杳蕉夜夜揉夜夜爽| 中文资源在线天堂库8| 国产AV无码专区亚洲AV手机麻豆| 免费欧洲毛片A级视频无风险| 成A人片亚洲日本久久| 无码一级毛片一区二区视频孕妇| 在线观看一区二区精品| 99国产精品久久久久久久成人热| 国产特黄一级一片免费| 国产美女被爽到高潮激情免费A片| 国产成人亚洲精品无码Av大片| 特黄特色高清不卡免费视频| 亚洲AV在线无码播放毛片一线天| 91精品国久久久久久无码免费| 日本日本乱码伦视频在线观看| 自拍偷自拍亚洲精品牛影院| 四虎永久精品免费观看| 国产精品亚洲欧美大片在线看| 日韩人妻一区二区三区久久性色| 色综合久久久无码中文字幕| 久久久久无码精品国产蜜桃| 国产无套内射久久久国产| 免费无码αv片在线观看潮喷| 精品一区二区三区在线观看视频| 人妻仑刮八A级毛片免费看| 天天做天天爱夜夜爽毛片| 欧美精品视频免费观看| 国产成人一区二区三区| 爆乳熟妇一区二区三区霸乳| 亚洲国产精品一区二区第一页| 欧洲精品不卡1卡2卡| 国产h肉在线视频免费观看| 玩弄人妻少妇500系列网址| 精品人伦一区二区三区蜜桃| 精品久久久久久亚洲综合网| 日韩不卡一区二区三区|