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GeForce GTX 650 Ti 2GB vs Radeon HD 5850

Intro

The GeForce GTX 650 Ti 2GB has core clock speeds of 928 MHz on the GPU, and 1350 MHz on the 2048 MB of GDDR5 RAM. It features 768 SPUs along with 64 TAUs and 16 ROPs.

Compare those specifications to the Radeon HD 5850, which makes use of a 40 nm design. AMD has set the core frequency at 725 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this particular card. It features 1440(288x5) SPUs as well as 72 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
Radeon HD 5850 151 Watts
Difference: 41 Watts (37%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5850 is 48% faster than the GeForce GTX 650 Ti 2GB overall, due to its higher bandwidth. (explain)

Radeon HD 5850 128000 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 41600 (48%)

Texel Rate

The GeForce GTX 650 Ti 2GB is a bit (approximately 14%) faster with regards to anisotropic filtering than the Radeon HD 5850. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Radeon HD 5850 52200 Mtexels/sec
Difference: 7192 (14%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 5850 is superior to the GeForce GTX 650 Ti 2GB, and very much so. (explain)

Radeon HD 5850 23200 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 8352 (56%)

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 2GB

Amazon.com

Check prices at:

Radeon HD 5850

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 2GB Radeon HD 5850
Manufacturer nVidia AMD
Year October 2012 September 30, 2009
Code Name GK106 Cypress PRO
Memory 2048 MB 1024 MB
Core Speed 928 MHz 725 MHz
Memory Speed 5400 MHz 4000 MHz
Power (Max TDP) 110 watts 151 watts
Bandwidth 86400 MB/sec 128000 MB/sec
Texel Rate 59392 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 768 1440(288x5)
Texture Mapping Units 64 72
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 40 nm
Transistors 2540 million 2154 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.3 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 in one second. This 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also 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 reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 650 Ti 2GB

Amazon.com

Check prices at:

Radeon HD 5850

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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