Intel CW8064701471001 manuale d’uso

1 Overclocki ng Unlocked Intel ® Core ™ Processors for Hig h Performan ce Gamin g an d Content Creation Micha e l Moen – Sr . Syste m Engine er , Intel Corporation Dan Ragland – Sr . S yste m Engine e r , Inte l Co r p o r atio n JJ Guerrero – Sr . T echnical Mark e ti ng Speci alist, Asus AIOS001[...]

2 • Overclocking Theory and Trends • High - end Desktop Ov erclocking Architecture • Overclocking Design Tips • Desktop and Mobile Overclocking Architecture • Harnessing Overclocking • Summary Agenda[...]

3 Risk Remi nder W ARNING: Altering clock frequency and/or voltage m a y: (i) reduce system stabi li t y and useful li fe of the system and processor; (i i) cause the processor and other system components to fail; (iii) cause reductions in system performance; ( iv) cause additional h eat or ot her damage; and (v) affect system data i nte gr i t y .[...]

4 • Overclocking Theory and Trends • High - end Desktop Ov erclocking Architecture • Overclocking Design Tips • Desktop and Mobile Overclocking Architecture • Harnessing Overclocking • Summary Agenda[...]

5 Defining Overclocking • How is this done ? – Obtain a moth erboard optimized for In tel ® unlock ed processors – Chang e unlocked r atios or plat form clock frequen cy – Increase vol tage on relev an t interfaces – Improve cooling on overclock ed/ overvoltage d components • What i s Overcl o ckin g (OC)? – The process of increasing[...]

6 The R ule : Max imiz e freq uency , minimi ze voltage/current and maximi ze heat dissipati on to meet personal stabil ity requi rements Overclockin g Theory Gene ral Pr inciples What Bene fits How Processor Cores Rendering, Music, Photo and Vi deo editin g, T ranscode, Gaming Physi cs , AI , Co mp ut e Intensive  Increase P ower Limits and Max[...]

7 Observed Frequency Tr ends in OC Q: How m uch OC can I e xpec t from m y CP U? A: There a re m any fac tors – Every CPU is designe d to meet nominal requirem ents with intenti onal guardba nd – not specifi call y for OC – Overclocking is the act of tappi ng i nto the i ntentional guardband + design conserv atism + Si process con serv atism [...]

8 • Overclocking Theory and Trends • High - end Desktop Ov erclocking Architecture • Overclocking Design Tips • Desktop and Mobile Overclocking Architecture • Harnessing Overclocking • Summary Agenda[...]

9 • Core Frequency – Unlocked Intel ® T urbo Boost T e chnology li mits † – Unlocked core ratios up to 63 i n 100MHz i ncrem ents † – Programmable voltage offset • Memory R atio – Unlocked memory control ler – Granularity i n 266MHz steps – R atios supported up to 2400Hz • DMICLK (aka BCLK) – Fine G rain ra ng e ± 5- 7% ?[...]

10 SKU i7- 4960X i7- 4930K i7- 4820K Cores/Ca che 6/15M 6/12M 4/10M Turbo Ratio Overrides (100MHz Steps) † Up to 6 3 Up to 6 3 Up to 63 PL1, PL 2, Tau, ICCMax Overrides √ √ √ Real - time Core Ove rcloc king (in OS) Yes Ye s Yes DDR Fre quency Overrides (266MHz Steps) Up to 2400 Up to 2400 Up to 2400 DDR Timing Overrid es √ √ √ Coarse [...]

11 • Overclocking Theory and Trends • High - end Desktop Ov erclocking Architecture • Overclocking Design Tips • Desktop and Mobile Overclocking Architecture • Harnessing Overclocking • Summary Agenda[...]

12 COLLABORATION W ork closely with Intel to understand the p latfor m architecture and gaug e hardware req uirements. This helps to define customized overclocking options for different s egment s. POWER DESIGN Ensurin g that onboard power delivery circ uitry is capable of ex ceeding processor p ow er req uirements under ex treme loading co ndition[...]

13 Overc locking De sig n Tips How enthusiast board/system designs influence overclo ckability • Efficient Cooling T h r oug h Lay ou t Desig n • High Qu ality Com ponent s − Long- life soli d polymer & ML CC Capacitors − High current MOSFET s − Low DCR inductors − Adv anced digital buck controll ers − More copper in power pl ane [...]

14 Live Demo: Optimization of Core , Memory and BCLK to ac hieve visibly better performance experience on content creation with a Intel ® Core™ i7 - 4960X Extreme Edition Processor[...]

15 • Overclocking Theory and Trends • High - end Desktop Ov erclocking Architecture • Overclocking Design Tips • Desktop and Mobile Overclocking Architecture • Harnessing Overclocking • Summary Agenda[...]

16 DMICLK PCIe * DMI × D DMI PEG PCIe pGfx × P × G DMICLK/BCL K Memory Memory × M CPU 1 2 3 4 × C • Core Frequency – Unlocked Intel ® T urbo Boost T e chnology li mits † – Unlocked core ratios up to 80 i n 100MHz i ncrem ents † – Programmable voltage via iVR • Gr aphics Frequency ( pGfx ) – Unlocked Intel ® HD Gr ap hics limi[...]

17 OC VR Design on Lega cy Platforms • In current gener ation pl atforms, CPU VRs are on the motherboard • Often, a separ ate VR exi sts f or each rail to the CPU • V oltage margining is accompl ished u si ng platform V Rs V CORE CPU V PLL V GFX V IO V SA External VRs External VRs 4th Generation Intel ® Core ™ p rocessor changes this drama[...]

18 Next Ge nerati on I ntel Haswel l M icroar ch itect u r e Voltage Planes for Performan ce Tu ning DDR Cores Last Level Cache System Agent PCIe * DMI p Gfx V CCIN V DDQ • 1.5V No m for DDR3 • <=1.65V for XMP • 1.35V Nom for DDR3L iVR Core pGfx • V CCIN : SVID 1.8 V No m u p to 2 .3V+ , sta tic V up to 3.04 V • V CORE : dynamic additi[...]

19 19 Next Ge nerati on I ntel Haswel l M icroar ch itect u r e Volta ge Override M odes non-turbo freq volts turbo XE Fused V/f non-turbo freq volts turbo XE Interpolation V/f non-turbo freq volts turbo XE Offset V/f non-turbo freq volts turbo XE Override V/f • Default V /f cu rve (SVID operation) • P osi ti ve / Negative offset appli ed to th[...]

20 BCLK @ 100, 125 or 167 MHz +/1 5 - 7% DDR Cores Last Level Cache System Agent PCIe * DMI pGfx Next Gene ratio n Intel Haswe ll Mi croar chite cture Clock Tr ee • Single BCLK input comes from PCH in <1MHz steps • Acceptabl e input to CPU limi ted by PIC Express * ( PCIe ) and DMI PLL interface: 100MHz x ± 5- 7% PEG/DM I @ 5:5 125MHz x ± [...]

21 Enhanc e d BC LK C a pab ilit ie s Key Diff erences Between Generati ons Intel ® Core ™ i7 processors on LGA2011 3 rd Gen I ntel Core processors on LGA1155 Next Gen I n t el Haswell Microarchitect ure Coarse Adjustmen t BCLK mul t i p li ers {1.0,1.25,1.67} input to CPU CPU adjusts PEG/DMI ratios {5:5,5:4,5:3} based on BCLK mult i None Select[...]

22 DDR Cores Last Level Cache System Agent PCIe * DMI pGfx DDR Rati os Core Turbo Ratios † Next Gene ratio n Intel Haswe ll Mi croar chite cture Available Pe r for m an ce Tu nin g Ratios • 266MHz Step s up to 2933MHz • 200MHz ste ps up to 2800MHz • Timin g Overrides • Manual or can be automate d through XMP 1.3 • Core ratios up to 80 ?[...]

23 Desktop: 4 th Genera tion Intel ® Core ™ i7/i5 Process ors Ba s e d on Soc ket LGA 1150 Turbo R atio Overrid es √ DDR Fre quency Overrides √ √ Fine BCLK Override s √ 1 √ 1 Coarse BCL K Ratios √ 2 iVR Overvoltage √ √ PL1, PL 2, Tau, ICCMax Overrides √ √ DDR Timing Overrid es √ √ pGfx Ratio Overrides √ √ • T urbo r[...]

24 Mobile : 4 th Generation Intel ® C ore ™ Processor Overclocking † 1 Requires Intel HM87 or QM87 chipsets and results will vary . † Actual overc locking r esults will vary and capabilitie s ar e subje ct to change . Summary: • Core ov ercl ocki n g on select Intel ® Core ™ i7 SKUs • Graphics and memo ry overclocking o n all Inte l C[...]

25 Live De mo: Mobile Overclocking using the Intel ® Core™ i7 - 4950HQ processor in the Clevo W7 40S U Notebook[...]

26 • Overclocking Theory and Trends • High - end Desktop Ov erclocking Architecture • Overclocking Design Tips • Desktop and Mobile Overclocking Architecture • Harnessing Overclocking • Summary Agenda[...]

27 Intel ® Extreme Memor y P rofile (In tel ® XMP) • E xpansion of the stan dard DD R3 memory specificati on. En abl es speeds, l atencies outside of JE DEC Speci ficati on. – Easy , ro bust , overclocking solution designed to take adv antage of the unlocke d capabilit y of Intel ® Core ™ Processors – Predefined and tested Inte l XMP pro[...]

28 Intel ® Extre me Tuni ng Util ity ( Intel ® XTU) • Simp le - to - use Windo ws * applicati on • Exposes CPU an d PCH knob s for performance tuning by use r • Re a l - ti me adjustment of key settings wi thout rebooting 1 • V ersion 4.2 now av aila b le f o r download from Intel or other motherboard suppl iers † http://www .intel .com[...]

29 Intel ® XTU and HWBot.org * Combined Featu res • Upload/Down load overclocking settings reli ably • Export/Import XTU overclocking settings • Compare benchmark scores and configurations with others • Link other benchmark scores to XTU profiles • Compete with others for hi gher scores • Integr ated w ith exi sting soci al networks: F[...]

30 Live De mo: Intel ® Extreme Tun ing Utility v4.2 with A ppTune Beta Feature using a Intel ® Core™ i7 - 4770K Proc es s o r[...]

31 Live De mo: SSD Overclocking Technology[...]

32 • Overclocking Theory and Trends • High - end Desktop Ov erclocking Architecture • Overclocking Design Tips • Desktop and Mobile Overclocking Architecture • Harnessing Overclocking • Summary Agenda[...]

33 Summary • Intel ® Core ™ i7 P rocessors based on Sock et LGA2011 offer Core, DDR and BCLK overclo cki ng expe ri ence o n proce sso rs with the high est core count and memory capacity • Desktop and Mobil e 4 th Generation Intel Core processors offer select SKUs with unlocked co r e, m e mo ry and gr aphics r atios • Re a l - t ime overc[...]

34 Legal D isclaimer INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTI ON WITH INTEL PROD UCTS. NO LICENSE, EXPRESS OR IMPLIED, BY E STOPPEL OR OTHERWISE, TO AN Y INTELL ECTUAL PROPERTY RIGHTS IS GRAN TED BY THIS D OCUMENT. EXCEPT AS PROVIDED IN INTEL'S TERMS AND COND ITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER A[...]

35 Legal D isclaimer • Ove r clo c kin g D is c laim er WAR NI N G: Alteri ng c lock frequency and/or voltage may: (i) reduce system stability and us e ful li fe of the system a n d processor; (i i) cause the pr oc essor and other sy stem componen t s to fai l; (iii ) cause redu ctions in system performance; (iv) cause additional heat or o ther d[...]

36 Risk Facto rs The abo ve statements and any othe rs i n this docume nt that refer to plans and ex pectations for the third quarte r, the year and the fu tu re are forwa rd - looking statements th at involve a numbe r of risks and uncertainties. Words such as “anticipates,” “expects,” “i n tend s,” “pl a ns,” “bel i eves,” “[...]