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GeForce 9500 GT DDR2 vs Radeon HD 6450 (OEM)

Intro

The GeForce 9500 GT DDR2 has core speeds of 550 MHz on the GPU, and 500 MHz on the 256 MB of DDR2 RAM. It features 32 SPUs along with 16 Texture Address Units and 8 Rasterization Operator Units.

Compare all of that to the Radeon HD 6450 (OEM), which comes with a core clock frequency of 625 MHz and a GDDR3 memory frequency of 800 MHz. It also makes use of a 64-bit memory bus, and uses a 40 nm design. It 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) 31 Watts
GeForce 9500 GT DDR2 50 Watts
Difference: 19 Watts (61%)

Memory Bandwidth

Theoretically speaking, the GeForce 9500 GT DDR2 is 25% faster than the Radeon HD 6450 (OEM) in general, because of its higher bandwidth. (explain)

GeForce 9500 GT DDR2 16000 MB/sec
Radeon HD 6450 (OEM) 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The GeForce 9500 GT DDR2 is much (approximately 76%) more effective at AF than the Radeon HD 6450 (OEM). (explain)

GeForce 9500 GT DDR2 8800 Mtexels/sec
Radeon HD 6450 (OEM) 5000 Mtexels/sec
Difference: 3800 (76%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce 9500 GT DDR2 is the winner, by a large margin. (explain)

GeForce 9500 GT DDR2 4400 Mpixels/sec
Radeon HD 6450 (OEM) 2500 Mpixels/sec
Difference: 1900 (76%)

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 DDR2

Amazon.com

Check prices at:

Radeon HD 6450 (OEM)

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 DDR2 Radeon HD 6450 (OEM)
Manufacturer nVidia AMD
Year July 2008 February 2011
Code Name G96a Caicos
Memory 256 MB 512 MB
Core Speed 550 MHz 625 MHz
Memory Speed 1000 MHz 1600 MHz
Power (Max TDP) 50 watts 31 watts
Bandwidth 16000 MB/sec 12800 MB/sec
Texel Rate 8800 Mtexels/sec 5000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 2500 Mpixels/sec
Unified Shaders 32 160
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type DDR2 GDDR3
Bus Width 128-bit 64-bit
Fab Process 65 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 max amount of information (in units of MB per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9500 GT DDR2

Amazon.com

Check prices at:

Radeon HD 6450 (OEM)

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.

Comments

One Response to “GeForce 9500 GT DDR2 vs Radeon HD 6450 (OEM)”
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