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GeForce 9500 GT DDR2 vs Radeon HD 3650 512MB

Intro

The GeForce 9500 GT DDR2 makes use of a 65 nm design. nVidia has clocked the core frequency at 550 MHz. The DDR2 RAM works at a frequency of 500 MHz on this particular model. It features 32 SPUs along with 16 TAUs and 8 Rasterization Operator Units.

Compare that to the Radeon HD 3650 512MB, which features a clock speed of 725 MHz and a GDDR3 memory frequency of 800 MHz. It also makes use of a 128-bit memory bus, and uses a 55 nm design. It features 120(24x5) SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT DDR2 50 Watts
Radeon HD 3650 512MB 78 Watts
Difference: 28 Watts (56%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 3650 512MB is 60% quicker than the GeForce 9500 GT DDR2 in general, because of its greater bandwidth. (explain)

Radeon HD 3650 512MB 25600 MB/sec
GeForce 9500 GT DDR2 16000 MB/sec
Difference: 9600 (60%)

Texel Rate

The GeForce 9500 GT DDR2 should be quite a bit (about 52%) more effective at anisotropic filtering than the Radeon HD 3650 512MB. (explain)

GeForce 9500 GT DDR2 8800 Mtexels/sec
Radeon HD 3650 512MB 5800 Mtexels/sec
Difference: 3000 (52%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce 9500 GT DDR2 is the winner, and very much so. (explain)

GeForce 9500 GT DDR2 4400 Mpixels/sec
Radeon HD 3650 512MB 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 DDR2

Amazon.com

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Radeon HD 3650 512MB

Amazon.com

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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 3650 512MB
Manufacturer nVidia AMD
Year July 2008 2008
Code Name G96a RV635 PRO
Memory 256 MB 512 MB
Core Speed 550 MHz 725 MHz
Memory Speed 1000 MHz 1600 MHz
Power (Max TDP) 50 watts 78 watts
Bandwidth 16000 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 DDR2 GDDR3
Bus Width 128-bit 128-bit
Fab Process 65 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: Bandwidth is the max amount of data (measured in MB per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the 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 most pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 9500 GT DDR2

Amazon.com

Check prices at:

Radeon HD 3650 512MB

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 3650 512MB”
فروش کار گرافیک HD 3650 says:

[...] windows 7 32 bit & 64 bit مقایسه این کارت با مدل Geforce 9500 GT DDR2 GeForce 9500 GT DDR2 vs Radeon HD 3650 512MB – Performance Comparison Benchmarks @ Hardware Co... که نشون میده 3650 قوی تره قیمت های پیشنهادیتون رو اعلام [...]

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