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GeForce GTX 650 Ti 2GB vs Radeon HD 5850

Intro

The GeForce GTX 650 Ti 2GB comes with a core clock speed of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is made up of 768 SPUs, 64 TAUs, and 16 ROPs.

Compare all of that to the Radeon HD 5850, which has a core clock speed of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It features 1440(288x5) SPUs, 72 Texture Address Units, and 32 Raster Operation 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

As far as performance goes, the Radeon HD 5850 should theoretically be a lot superior to the GeForce GTX 650 Ti 2GB overall. (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 should be a bit (approximately 14%) better at AF 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 using a high screen resolution is important to you, then the Radeon HD 5850 is the winner, by far. (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: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount 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 worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably 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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