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GeForce 9500 GT DDR2 vs Radeon HD 4550 256MB

Intro

The GeForce 9500 GT DDR2 has clock speeds of 550 MHz on the GPU, and 500 MHz on the 256 MB of DDR2 memory. It features 32 SPUs as well as 16 TAUs and 8 ROPs.

Compare all that to the Radeon HD 4550 256MB, which has core speeds of 600 MHz on the GPU, and 800 MHz on the 256 MB of DDR3 memory. It features 80(16x5) SPUs as well as 8 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB 25 Watts
GeForce 9500 GT DDR2 50 Watts
Difference: 25 Watts (100%)

Memory Bandwidth

The GeForce 9500 GT DDR2 should theoretically be quite a bit faster than the Radeon HD 4550 256MB in general. (explain)

GeForce 9500 GT DDR2 16000 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The GeForce 9500 GT DDR2 will be a lot (about 83%) faster with regards to AF than the Radeon HD 4550 256MB. (explain)

GeForce 9500 GT DDR2 8800 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 4000 (83%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 9500 GT DDR2 is the winner, by far. (explain)

GeForce 9500 GT DDR2 4400 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 2000 (83%)

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 4550 256MB

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 4550 256MB
Manufacturer nVidia AMD
Year July 2008 Sep 30, 2008
Code Name G96a RV710
Memory 256 MB 256 MB
Core Speed 550 MHz 600 MHz
Memory Speed 1000 MHz 1600 MHz
Power (Max TDP) 50 watts 25 watts
Bandwidth 16000 MB/sec 12800 MB/sec
Texel Rate 8800 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 32 80(16x5)
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type DDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 65 nm 55 nm
Transistors 314 million 242 million
Bus PCIe x16 2.0, PCI PCIe 2.0 x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the graphics 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 video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 9500 GT DDR2

Amazon.com

Check prices at:

Radeon HD 4550 256MB

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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