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GeForce GTX 650 Ti vs Radeon HD 3650 512MB

Intro

The GeForce GTX 650 Ti features core clock speeds of 928 MHz on the GPU, and 1350 MHz on the 1024 MB of GDDR5 RAM. It features 768 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 3650 512MB, which makes use of a 55 nm design. AMD has set the core frequency at 725 MHz. The GDDR3 RAM works at a frequency of 800 MHz on this card. It features 120(24x5) SPUs as well as 8 Texture Address Units and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 3650 512MB 78 Watts
GeForce GTX 650 Ti 110 Watts
Difference: 32 Watts (41%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti will be 238% faster than the Radeon HD 3650 512MB in general, due to its greater bandwidth. (explain)

GeForce GTX 650 Ti 86400 MB/sec
Radeon HD 3650 512MB 25600 MB/sec
Difference: 60800 (238%)

Texel Rate

The GeForce GTX 650 Ti is a lot (approximately 924%) better at AF than the Radeon HD 3650 512MB. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
Radeon HD 3650 512MB 5800 Mtexels/sec
Difference: 53592 (924%)

Pixel Rate

The GeForce GTX 650 Ti should be much (about 412%) faster with regards to anti-aliasing than the Radeon HD 3650 512MB, and also should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
Radeon HD 3650 512MB 2900 Mpixels/sec
Difference: 11948 (412%)

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 650 Ti

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 650 Ti Radeon HD 3650 512MB
Manufacturer nVidia AMD
Year October 2012 2008
Code Name GK106 RV635 PRO
Memory 1024 MB 512 MB
Core Speed 928 MHz 725 MHz
Memory Speed 5400 MHz 1600 MHz
Power (Max TDP) 110 watts 78 watts
Bandwidth 86400 MB/sec 25600 MB/sec
Texel Rate 59392 Mtexels/sec 5800 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 2900 Mpixels/sec
Unified Shaders 768 120(24x5)
Texture Mapping Units 64 8
Render Output Units 16 4
Bus Type GDDR5 GDDR3
Bus Width 128-bit 128-bit
Fab Process 28 nm 55 nm
Transistors 2540 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 2.0 x16/AGP 8x
DirectX Version DirectX 11.0 DirectX 10.1
OpenGL Version OpenGL 4.3 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be transferred over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics 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 maximum number of pixels the video card 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 colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 650 Ti

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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