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An Inside Look Into The New Windows 7 Experience Index!
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The New Windows Experience Index (WinEI)

Although Microsoft has consistently asserted in public that Windows 7 will probably only be launched in 2010, the truth is they are rushing for a December 2009 release. Here are more signs of how close they are to completion.

We recently obtained documents detailing the in-depth details of the new Windows Experience Index (WinEI) scoring model which will be used in Windows 7. The documents reveal interesting details of how Microsoft grades the performance of hardware and what has changed in the new Experience Index for Windows 7. It is especially interesting to see what they consider "good enough" performance for Windows 7.

Microsoft closed the feedback period for this scoring model on February 16, so unless there are significant opposition from their OEM partners, this would be the final scoring model for hardware in Windows 7. Let's take a look at the details of the improved Windows Experience Index!


What Is The Windows Experience Index?

The new Windows Experience Index (WinEI) scoring model for Windows 7 adds or updates the following :

  • New scoring levels 6 and 7. The maximum score is now 7.9.
  • DX10 graphics tests.
  • Storage performance tests based on random I/O and the write-flush policy tests which measure performance using a mix of reads and writes. These tests are in addition to the existing sequential read test.
  • A new disk scoring limit (“cap”) for storage scores based on the results of the write-flush policy tests
  • Addition of single-threaded CPU performance tests.
  • Improvements in robustness.
  • Enables the DWM test to be run independently of the other WinSAT tests.
  • Moves non-DWM tests to run post-OOBE (at idle, well after the user’s initial “out-of-the-box experience”), thereby speeding up OOBE.


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What Is The Windows Experience Index?


How Is The New Scoring System Similar To That Of Windows Vista?
So What's Changed In Windows 7?


Will My System Get The Same Score From Windows 7 As Windows Vista?
Memory Performance & Size


CPU Core Computations
Addition Of A Single-Threaded CPU Assessment


How Does The CPU Score Correlate With User Experience?


Storage System Performance


Write Flush Policy Tests
Assessing Enhanced Storage Systems


Storage Test FAQs


Storage Test FAQs (Continued)


DX10 Gaming
DX10 Scoring Rules


Items Under Investigation
DX10 & WDDM 1.1 Drivers
DX10 Graphics For DWM


High Definition Video Playback


What's Not Tested?
Features & Concepts No Longer Included
Other Microsoft Scoops

Kingston DataTraveler Ultimate 3.0 G3 USB 3.0 Flash Drive Review
Setting Up Maxis FTTH On The Technicolor TG784n v3 Gateway Rev. 2.0
Western Digital VelociRaptor (WD1000DHTZ) 1 TB Hard Disk Drive Review
CPU Performance Comparison Guide Rev. 6.6
Windows Anytime Upgrade For Windows 7 Revealed!
Do You Really Need Surround Sound?
Seagate Momentus 5400.2 Notebook Hard Drive Review Rev. 2.1
ASUS S-presso SFF System Review
IOSS RD2 Pro PC Geiger PCI Bus Multifunction Analyzer Review
1COOLPC Video-1-120 Cooler Review


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