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GeForce GTX 460 (OEM) vs Radeon HD 3650 512MB

Intro

The GeForce GTX 460 (OEM) features core clock speeds of 650 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

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

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 3650 512MB 78 Watts
GeForce GTX 460 (OEM) 150 Watts
Difference: 72 Watts (92%)

Memory Bandwidth

In theory, the GeForce GTX 460 (OEM) is 325% faster than the Radeon HD 3650 512MB in general, due to its greater bandwidth. (explain)

GeForce GTX 460 (OEM) 108800 MB/sec
Radeon HD 3650 512MB 25600 MB/sec
Difference: 83200 (325%)

Texel Rate

The GeForce GTX 460 (OEM) is a lot (about 528%) faster with regards to AF than the Radeon HD 3650 512MB. (explain)

GeForce GTX 460 (OEM) 36400 Mtexels/sec
Radeon HD 3650 512MB 5800 Mtexels/sec
Difference: 30600 (528%)

Pixel Rate

The GeForce GTX 460 (OEM) should be quite a bit (approximately 617%) more effective at anti-aliasing than the Radeon HD 3650 512MB, and also will be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 460 (OEM) 20800 Mpixels/sec
Radeon HD 3650 512MB 2900 Mpixels/sec
Difference: 17900 (617%)

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 GTX 460 (OEM)

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.

Specifications

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Model GeForce GTX 460 (OEM) Radeon HD 3650 512MB
Manufacturer nVidia AMD
Year October 2010 2008
Code Name GF104 RV635 PRO
Memory 1024 MB 512 MB
Core Speed 650 MHz 725 MHz
Memory Speed 3400 MHz 1600 MHz
Power (Max TDP) 150 watts 78 watts
Bandwidth 108800 MB/sec 25600 MB/sec
Texel Rate 36400 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 336 120(24x5)
Texture Mapping Units 56 8
Render Output Units 32 4
Bus Type GDDR5 GDDR3
Bus Width 256-bit 128-bit
Fab Process 40 nm 55 nm
Transistors 1950 million (Unknown) million
Bus PCIe x16 PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka 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 memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 460 (OEM)

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.

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