DDR3: Vanguard of the Green Memory Generation Dr. Sylvie Kadivar Associate Director, Strategic Marketing Samsung Semiconductors, Inc.
Overview Performance & Power: An Undeniable Challenge Memory : Key component of the emerging green ecosystem
A New Ecosystem Reduce TCO Increase Business Agility Improve Productivity Environment Energy Efficiency & Cleaner Environment Expand & Scale Expanding Data Center & Electricity Budget Increased Social Network Mobility & Content Accelerate & Channel the Communication Performance & Power: Undeniable Challenge 2011: 3% of US Electricity Consumed by Data Centers
Enterprise Challenge - High Expenditure Power Consumption = OPS (52%) + Cooling (48%) $15.7B $7.2B $2.7B $5.6B $3.3B $1.3B CAGR 15.7% `00 `05 `10 Server expenditure U.S CAGR 16.8% `00 `05 `10 Server expenditure World Wide * Source : IDC (2006), EPA report (2007)
Servers: Scalability & Consolidation Expanding performance & capacity Reducing power consumption & floor space Server Power Distribution Multi CPU+ High Density Memory HDD CPU Memory Power Supply Green Memory Virtualization Source Intel_IDF Beijing, March 2009 Energy Star Guidelines For Servers: Guidelines result in 30% improved efficiency $500-$1000 savings/yr ($800M/yr worldwide)
Virtualization: High Density Memory is Key multiple-core processors and virtualization software is expected to lead to a significant increase in required server-level memory, energy-efficiency gains in memory technology hold substantial promise for reducing future server energy use servers intended to host virtual machines need lots of memory
Memory Power Optimization also Key DRAM power impact > 50% at high density Thermal & power supply greatly benefit from memory power savings FBDIMM Server power budget (memory=~14% @ 4GB/system) FBDIMM Server power budget (memory=~54% @ 128GB/system) Fans 21% 1xDrives 1% Board 3% Chipset 9% VR Loss 9% PSU Loss 19% 2xCPU 24% Others 16% NIC 17W HBAs 10W 3% 2% Drives 27W 4% CPU 136W 21% Memory 344W 54% 4GB Memory 14% Source: Intel (Apr. 08) Source: Microsoft, 2008
(GB/systems) Driving Memory Optimization 70 60 50 40 30 20 10 0 3 DT NB PC Server 2 13 18 3 5 3 4 2009 2010 2011 2012 2013 26 6 5 41 64 (Source: IDC June 09 (1) ) 8 6 DDR3 DDR3-1866 DDR3-1600 DDR3-1333 (GB/systems) DDR3-1066 500 400 300 200 100 0 High-End Server Midrange Server Entry Server 179 109 231 147 345 198 409 227 15 21 33 42 460 275 2009 2010 2011 2012 2013 54 (Source: IDC June 09 (1) ) DDR2 DDR-400 DDR2-533 DDR2-800 DDR2-667 2003 2004 2005 2006 2007 2008 2009 2010 Scaling Priorities: Low Power + Performance + Density (1) :"IDC Worldwide DRAM Demand and Supply 1Q09 4Q10 and 2009 2013 Update, 218891, Jun 2009"
DDR3: The Driving Force for Increased Scalability & Efficiency >95% 2008 DDR2 2009 <5% DDR3 < 65% 35% DDR3 Demand Forecast by Application 50% 50% 10% (Including W/S) 25% (Including W/S) 88% 55% 2% 20% DDR3 Server Demand Rapidly Increasing * Source: Samsung
DDR3 TCO benefits (ex. HP Proliant Server) HP DL380G5 HP DL380G6 32GB FBDIMM(DDR2) 32GB RDIMM(DDR3) Savings at 1:1 ratio: 10 Servers: ~$11K 100 Servers: ~$110K 1000 Servers: ~$1.1M 3xG5 + Replacement 1xG6 >> $3.3M savings /10 3 Servers 345W $1090 Replacing G4 is even more! 9:1 replacement ratio Source: HP Power Advisor Calculator. DDR3: 1Gb based http://h71028.www7.hp.com/enterprise/cache/600307-0-0-0-121.html
Energy Star Memory Requirement (Server only) Idle Power(*) Idle (i.e. Standby mode) Power for 1GB : 2W max DIMM-Configurations 4GB 1GB_Equ Max FBDIMM-667(DDR2) 9.12 2.28 2 RDIMM_1066(DDR3) 3.57 0.8925 2 Idle Power Calculation(W) FBDIMM-DDR2 fails to meet the requirement RDIMM-DDR3 meets the requirement DDR3 based DIMMs become essential in the power equation
Green Characteristics of DDR3 Power Performance Voltage Supply Process/Technology Density Material
DIMM Module: Performance Comparison DRAM Core I/O PLL/Reg. or AMB DDR2 FBDIMM 667Mbps DDR3 RDIMM 1066Mbps -38% DDR3 RDIMM 1333Mbps -24% 0 Results based on 1Gb DDR2, DDR3 6xnm 0.62 0.76 1 RDIMM DDR3 best suited for Servers
Reducing Power by Scaling Down the Voltage DDR 2.5V Importance of Energy Efficiency DDR2 1.8V Reducing Power Consumption DDR2 1.55V Increasing Mobility & Battery Life DDR3 1.5V DDR3 1.35V Next Gen. 1.2V 2005 2006 2007 2008 2009 2010 2011 2012
1.35V/1.5V Power Comparison 1Gb(56nm) 2Rx4 4GB RDIMM Power Comparison DDR3-20% -20% -20% [W] 1.5V 1.35V 1.5V 1.35V 1.5V 1.35V 800Mbps 1066Mbps 1333Mbps Lower voltage allows 20% decrease in power
Scaling down Process Node to reduce Power 1X 0.9X 0.7X DDR2 0.5X DDR3 0.4X <0.3X <0.2X (*) 90nm 80nm 6xnm 6xnm 5xnm 5xnm 4xnm - Measured Power: 1Gb DDR2 IDD4R*1.8V, 1Gb DDR3 IDD4R*1.5V 800M Samsung:1 st to drive lower process nodes & enable lower power (*) Estimate
Increasing Density While Reducing Power: Samsungs 2Gb DDR3 Why 2G? [2Gb 1.5V vs. 1.35V] 1333Mbps CPU 48GB syst. 20% 8GB 8GB 8GB CPU 8GB 8GB 8GB 1.5V 1.35V [1Gb Mono vs. 2Gb Mono] CPU 1333Mbps 48GB 45% 4GB 4GB 4GB 4GB 4GB 4GB CPU 8GB 8GB 8GB 8GB 8GB 8GB [1Gb DDP vs. 2Gb Mono] 36% 800Mbps 96GB syst. CPU CPU 8GB 8GB 8GB 8GB 8GB 8GB 1Gb 2Gb 8GB 8GB 8GB 1Gb 2Gb [ BL8, Channel BW 70%, Close Policy, 20% Hit rate, 67% Read Percentage, single Refresh /Power Calculation: Intel power tool (IMPT1.25ver.) ]
Highest Density Solutions New Samsung s 4Gb DRAM can provide 32GB Modules 2Gb 8GB RDIMM (144GB) 2Gb 16GB RDIMM (192GB) 4Gb 32GB RDIMM (384GB) 3 slots/channel @800Mbps 2 slots/channel @1066Mbps 8GB RDIMM (2Gb, Dual Rank) Server 2 slots/channel @800Mbps 16GB RDIMM (2Gb, Quad Rank) Server 2 slots/channel @800Mbps (1) 32GB RDIMM (4Gb, Quad Rank) 8GB * 3 slots * 6 Channels = 144GB Mass Production 1* Prototype Stage System 16GB * 2 slots * 6 Channels = 192GB Mass Production 32GB * 2 slots * 6 Channels = 384GB June Press Release 2009 (1)
Benefits of 2Gb & 4Gb based DDR3 RDIMM New DDR3 Server can save up to ~82% power even with 1.5x density increase and 2X memory bandwidth [%] 100 80 60-25% @1.5x density -32% -50% -81.7% @ 1.5x density 40 20 1Gb 4GB(1Gb)* 2slots*4ch CPU 2Gb 8GB(2Gb)* 1slots*4ch 32GB DDR2 FBDIMM CPU 1Gb 2Gb DDR3 2Gb 4Gb 4GB(1Gb)* 2slots*3ch*2 8GB(2Gb)* 1slots*3ch*2-56% 4Gb 1.35V 8GB(4Gb)* 1slots*3ch*2 48GB DDR3 RDIMM ( 1.5x higher density) CPU CPU Chipset DDR3 RDIMM Platform
Impact of 2Gb DDR3 on Notebook Power Budget 100% -25% -50% [W] 2x2GB (6xnm 1Gb base 2Rx8) SODIMM 2x2GB (5xnm 1Gb base 2Rx8) SODIMM 4GB (5xnm 2Gb based 2Rx8) SODIMM IO DRAM Core At 1.5V, 4GB 2Gb-based SODIMM shows 50% power savings
Eco Materials DDR3 : Lead Free and 100% Halogen Free
To Sum Up 1X 0.76X DDR2 DDR3 0.48X High Density With Advanced Process Technology Low Voltage 0.41X *DDR2 FBDIMM (1Gb DDR2 6xnm 667Mbps) *DDR3 RDIMM (1Gb DDR3 6xnm 1066Mbps) *DDR3 RDIMM (2Gb DDR3 5xnm 1066Mbs) *DDR3 RDIMM (2Gb DDR3 5xnm 1066Mbps w/ 1.35V) 4Gb 4xnm 1.35V Samsungs DDR3 - best in class for green computing
Summary The need for a green technology ecosystem is real Memory is a key aspect of green computing Samsung s DDR3 provides the best performance/watt ratio in new computing platforms Samsung s investments in memory are accelerating the development of green computing platforms