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How Much RAM Do You Really Need?

Test Setup

Processor
Socket 939AMD Athlon 4000+ (Clawhammer, 2.4 GHz, 1 MB L2 Cache)
Memory
AMD Platform (DDR400)4x 512 MB - DDR400 (200 MHz)Corsair Pro Series CMX512-3200XL (XMS3208 V1.1)(CL2.0-2-2-5-2T @ 200 MHz)2x 256 MB - DDR400 (200 MHz)GeIL GOS5123200DC (CL2.0-2-2-5-2T @ 200 MHz)
Motherboard
Socket 939 PlatformAbit A8N Fatal1tyNVIDIA nForce4 Ultra Chipset
System Hardware
Graphics Card (PCIe)NVIDIA Geforce 6800 GT (Reference Card)GPU : NVIDIA Geforce 6800 GT (405 MHz)Memory : 256 MB DDR-SDRAM (550 MHz)
Hard DriveMaxtor DiamondMax 10300 GB, 16 MB Cache, 7,200 RPM
NetworkIntegrated NVIDIA Gigabit Ethernet network
Power SupplyTagan TG480-U22, ATX 2.0, 480 W
Software
Chipset Drivers (PCIe)NVIDIA Forceware 6.70
Graphics DriverNVIDIA Forceware 81.85
DirectXVersion : 9.0c (4.09.0000.0904)
OSWindows XP Professional 5.10.2600,Service Pack 2

Benchmarks And Settings

Benchmarks and Settings
OpenGL
Doom IIIVersion : 1.31024x768, 32 BitVideo Quality = Ultra Qualitydemo1
Quake 4Version : 1.0640x480, 32 BitVideo Quality = Ultra QualityCustom made demo
DirectX 8
Unreal Tournament 2004Version : 32551024x768, 32 Bit, Audio = off, max settingsTHG8-onslaught-single
DirectX 9
Far CryVersion : 1.31, Build 1378800x600, 32 Bit, Video Quality = Very High
3DMark 2005Version : 1.21024x786, 32 BitGraphics and CPU Default Benchmark
Battlefield 2Version : Demo 1.0800x600 32 BitQuality options : tested using both max settings and lowest settingsCustom made demo
Video
Pinnacle Studio 9 PlusVersion : 9.4.1from : 352x288 MPEG-2 41 MBto : 720x576 MPEG-2 95 MBEncoding and Transition Rendering to MPEG-2/DVDno Audio
Auto Gordian KnotDivX 5.2.1XviD 1.0.3Version : 1.95Audio = AC3 6chCustom size = 100 MBResolution settings = Fixed widthCodec = XviD and DivX 5Audio = CBR MP3, kBps 192182 MB VOB MPEG2-source
Audio
Lame MP3Version 3.97.1 Multi-threaded AlphaWave 17:14 minutes (182 MB) to mp332 - 320 kBitVBR = level 3
Applications
WinRARVersion 3.41Extraction of 1 file, 2.65 GBCompression = BestDictionary = 4096 kB
3DS Max 7Characters "Dragon_Charater_rig"1600x1200Rendering Single
Synthetic
PCMark 2005 ProVersion : 1.0.1All Tests
SiSoftware Sandra ProVersion 2005, SR2aMemory Tests = Bandwidth Benchmark, Memory and Cache Benchmark
Multitasking
Quake 4Version : 1.0Set to loop using Ultra Quality settings
BulletProof FTP ServerVersion : 2.4.0.31Transferring 3 files totaling 8,11 GB over Gigabit Ethernet