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GeForce 9500 GT 1GB GDDR3 vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce 9500 GT 1GB GDDR3 features a core clock speed of 550 MHz and a GDDR3 memory speed of 800 MHz. It also makes use of a 128-bit memory bus, and uses a 55 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare all of that to the Radeon HD 6450 (OEM) 1GB, which comes with GPU core speed of 750 MHz, and 1024 MB of GDDR5 RAM set to run at 900 MHz through a 64-bit bus. It also is made up of 160 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce 9500 GT 1GB GDDR3 50 Watts
Difference: 19 Watts (61%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6450 (OEM) 1GB should in theory be a little bit better than the GeForce 9500 GT 1GB GDDR3 overall. (explain)

Radeon HD 6450 (OEM) 1GB 28800 MB/sec
GeForce 9500 GT 1GB GDDR3 25600 MB/sec
Difference: 3200 (13%)

Texel Rate

The GeForce 9500 GT 1GB GDDR3 is a lot (about 47%) more effective at AF than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 2800 (47%)

Pixel Rate

The GeForce 9500 GT 1GB GDDR3 is quite a bit (more or less 47%) faster with regards to FSAA than the Radeon HD 6450 (OEM) 1GB, and also capable of handling higher screen resolutions better. (explain)

GeForce 9500 GT 1GB GDDR3 4400 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 1400 (47%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce 9500 GT 1GB GDDR3

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 9500 GT 1GB GDDR3 Radeon HD 6450 (OEM) 1GB
Manufacturer nVidia AMD
Year July 2008 February 2011
Code Name G96b Caicos
Memory 1024 MB 1024 MB
Core Speed 550 MHz 750 MHz
Memory Speed 1600 MHz 3600 MHz
Power (Max TDP) 50 watts 31 watts
Bandwidth 25600 MB/sec 28800 MB/sec
Texel Rate 8800 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 32 160
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type GDDR3 GDDR5
Bus Width 128-bit 64-bit
Fab Process 55 nm 40 nm
Transistors 314 million 370 million
Bus PCIe x16 2.0, PCI PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9500 GT 1GB GDDR3

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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