• dcfever – 電腦資訊 ***
• discuss – 電腦產品二手買賣 **
• Uwants – 電腦類買賣

*

• HKEPC – 交易廣場(電腦類)
• Yahoo! Auction HK – 電腦與網絡
• Review33 – Macbook
• Facebook: Apple HK 二手買賣交易網
• Uwants – 音樂用品類買賣
• 香港屋網 – 二手家具買賣

Shops Online Price

• Jumbo Computers
• Centralfield
• SE Computer (MK)
• A GRADE
• 正都電腦
• Hornington Crazy Sale
• System Express (Server products)
• Comdex (Out-dated)
• PCCW Online Shop
• Fortress
• Software
• hkishop
• Oversea
• 光華商場
• CNet Shopper.com
• Expansys (PDA, Mobile & Wireless products)

Online Markets

• 淘寶
  • 多寶集運 (Lai Chi Kok, Tuen Muen)
  • Funlala (Cheung Sha Wan)

Pricing Websites

• Centralfield (HKEPC)
• price.com.hk – Computer Price
• HKGolden

Pricing Plan / Forecast

Intel CPU

• 2007-07-22 hkepc (C2Q 6600 US$266)
• 2007-Q3 hkepc (C2Q 6600 US$266)
• 2007-Q3 hkepc@2007-03-12
• 2007-06-03 hkepc@2007-03-12 (Pentium E2000, Celeron 400)
• 2007-04-26 xbitlabs (uptil 2007-05-01)
• 2007-04-23 tgdaily

AMD CPU

• 2007-04-09 xbitlabs (uptil 2007-05-01)
• 2007-04-09 tgdaily

RAM

• 2007-04-26 RAM price at bottom

nVIDIA

• 2007-04-06 nForce 7050-630A delayed
• 2007-04-04 MCP68 delayed to May at ocworkbench.com

Price / Performance Ratio

• 2007-04 xbitlabs

Information Sources

• LegionHardware
• OCWorkbench.com
• AMD CPU Model Check
• AMD 65nm/90nm Athlon X2 power compare
• AMD Dual Channel DDR2-667 vs DDR2-800 performance
  Only 5-10% gain
• AM2 AMD CPU’s memory problem
  Memory controller itself only 8GB/s?

Info – AMD 690G

• AMD 690 series
• 690V/690G benchmark result
• Tech Report on 690G

  - Test with X2 5200+ 2.6G, 2x1M, 90nm (~1.35x of 3800+)
  - 690G only Shader 2.0, GeForce 6150 Shader 3.0
  - GeForce 6150 SE (MCP61G) is integrated chipset to compet with 690G
  - RAM write 6150 is better than 690G for 33%, read and latency are similar
  - Cinebench rendering & shading similar
  - Cinebench OpenGL Shading 20% slower
  - Cinebench OpenGL hardware 690G 62% slower
  - Sphinx speech recogn. similar
  - Media encoding similar
  - 3dsmax 5.1 DirectX similar
  - 3dsmax 5.1 OpenGL 43% slower
  - Photoshop, ACDSee, Office, Mozilla, WinZIP, Nero similar
  - 3DMark06 fillrate 690G 20% better, multi-fillrate 80% better
  - Oblivion 800x600, 690G 17-27fps, 35-40% better
  - Battlefield 2 1024x768, 21-32fps, 33% better
  - FEAR 1024x768, 22-35fps, 94% better
  - WMV 1080p, CPU 690G 26% vs 6150 22% (3800+ @35-40%?)
  - H.264 1080p, CPU 690G 60% vs 6150 45% (3800+ @80-90%?)
  - SATA I/O/s 690G 30% slower
  - SATA I/O response 690G 10% slower
  - iPEAK I/O test 20% slower
  - SATA burst 10% slower, media speed similar
  - ATA speed similar, some 5% slower
  - USB speed 5% better
  - Ethernet speed, similar 940Mbps, 19% vs 16% CPU
  - PCIe, 17% vs 14%
  - PCI, 17% vs 16%
  - Power Idle, 48w/57w vs 49w/60w or 53w/65w
  - Power Load, 117w vs 116w or 124w
  

Info – nVIDIA MCP68 GeForce 7050

• MCP68 China motherboard
• BIOStar TForce 7050 (TF7050-M2) motherboard picture
• MCP68 GeForce 7025/7050 news to compet with AMD 690G
• Brief on 7050
• MCP68 sample vs 690G benchmark

  - X2 3600+ 2.0G, 256Kx2, 90nm
  - Far Cry 1024x768 similar
  - Quake4 1024x768 14.2 vs 10.4fps
  - DOOM3 800x600 16.8 vs 10.4fps
  

Info – nVIDIA GeForce 6100/6150

• Wikipedia nForce4
• Wikipedia GeForce 61xx Series