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

Intro

The GeForce 9500 GT 1GB GDDR3 uses a 55 nm design. nVidia has set the core frequency at 550 MHz. The GDDR3 memory works at a frequency of 800 MHz on this particular card. It features 32 SPUs along with 16 TAUs and 8 ROPs.

Compare those specifications to the Radeon HD 6450 (OEM) 1GB, which has a core clock frequency of 750 MHz and a GDDR5 memory frequency of 900 MHz. It also features a 64-bit memory bus, and uses a 40 nm design. It is made up of 160 SPUs, 8 TAUs, and 4 ROPs.

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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

Theoretically speaking, the Radeon HD 6450 (OEM) 1GB is 13% quicker than the GeForce 9500 GT 1GB GDDR3 overall, due to its greater bandwidth. (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 much (approximately 47%) better at texture filtering 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 should be quite a bit (more or less 47%) better at FSAA than the Radeon HD 6450 (OEM) 1GB, and will be able to handle higher resolutions without slowing down too much. (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: Bandwidth is the max amount of data (measured in MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the 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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