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Replaced my 4 year old video card and Windows Experience Score went down????

Last response: in Components
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July 6, 2013 6:53:29 PM

I have a homebuilt PC with a http:// video card from 4 years ago.

It didn't have HDMI out and I was doing some other upgrades (SSD) so I decided to get: http://

After installing the new GPU I was surprised when I ran the Windows 7 "Experience score" and my video portion degraded from 5.0 with the old Radeon 4650, to 4.6 with the new 6450.

I'm just using my PC mostly for a media server (no gaming) so I'm not stressing it too much, but wasn't expecting a downgrade.

Any ideas/thoughts?
July 6, 2013 6:55:22 PM

WEI is not benchmark.
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July 6, 2013 6:56:52 PM

The 6450 is actually weaker than the 4650.
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July 6, 2013 7:02:10 PM

ricopartyboy said:
The 6450 is actually weaker than the 4650.


yeah, that was a silly idea. first digit is the generation/series, the second number represents the tier (9 being highest) and then the model in that tier is the last two digits, making 7990 the current top of the line
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July 6, 2013 7:10:03 PM

KrazyKap said:
ricopartyboy said:
The 6450 is actually weaker than the 4650.


yeah, that was a silly idea. first digit is the generation/series, the second number represents the tier (9 being highest) and then the model in that tier is the last two digits, making 7990 the current top of the line


Really interesting stuff . . . I "assumed" that since it had higher RAM, and was 3+ years newer it would be a "better" GPU. Overall not a problem since I do like the HDMI output, and I'm not taxing it by using it as a Media Server (using WMC and XBoxs as extenders), but I definitely wasn't expecting to see a lower score.

As always . . impressed with the knowledge of this forum.
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July 6, 2013 8:29:17 PM

http://www.hwcompare.com/10335/radeon-hd-4650-1gb-vs-ra...

Both cards have under 24GB/sec of memory throughput, so they are both terrible cards.

Dual Channel DDR3-SDRAM at 1333.333GHz can handle up to 20.8333 GB/sec ; and that is system memory.
- If your video card has slower memory than your PC then something is gonna give.
- Even if it is 'dedicated' throughput.

A modern video card should not have anything less than 64GB/sec, and ideally not less than 72GB/sec to 256GB/sec in video memory performance!
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