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GeForce 9500 GT 1GB GDDR3 vs Radeon HD 3650

Intro

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

Compare all of that to the Radeon HD 3650, which has clock speeds of 725 MHz on the GPU, and 800 MHz on the 1024 MB of GDDR4 memory. It features 120(24x5) SPUs along with 8 TAUs and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 1GB GDDR3 50 Watts
Radeon HD 3650 78 Watts
Difference: 28 Watts (56%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The GeForce 9500 GT 1GB GDDR3 should be a lot (about 52%) better at AF than the Radeon HD 3650. (explain)

GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Radeon HD 3650 5800 Mtexels/sec
Difference: 3000 (52%)

Pixel Rate

The GeForce 9500 GT 1GB GDDR3 should be a lot (approximately 52%) more effective at FSAA than the Radeon HD 3650, and should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce 9500 GT 1GB GDDR3 4400 Mpixels/sec
Radeon HD 3650 2900 Mpixels/sec
Difference: 1500 (52%)

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

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Radeon HD 3650

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 3650
Manufacturer nVidia AMD
Year July 2008 2008
Code Name G96b RV635 PRO
Memory 1024 MB 1024 MB
Core Speed 550 MHz 725 MHz
Memory Speed 1600 MHz 1600 MHz
Power (Max TDP) 50 watts 78 watts
Bandwidth 25600 MB/sec 25600 MB/sec
Texel Rate 8800 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 32 120(24x5)
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type GDDR3 GDDR4
Bus Width 128-bit 128-bit
Fab Process 55 nm 55 nm
Transistors 314 million (Unknown) million
Bus PCIe x16 2.0, PCI PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's 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 applied per second. This figure is calculated by multiplying the total amount of texture units by the core 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 in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs 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 output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9500 GT 1GB GDDR3

Amazon.com

Check prices at:

Radeon HD 3650

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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