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GeForce GTX 650 Ti vs Radeon HD 5770

Intro

The GeForce GTX 650 Ti features a GPU clock speed of 928 MHz, and the 1024 MB of GDDR5 memory runs at 1350 MHz through a 128-bit bus. It also is made up of 768 Stream Processors, 64 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 5770, which comes with GPU clock speed of 850 MHz, and 1024 MB of GDDR5 memory running at 1200 MHz through a 128-bit bus. It also features 800(160x5) Stream Processors, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
GeForce GTX 650 Ti 110 Watts
Difference: 2 Watts (2%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti should be 13% quicker than the Radeon HD 5770 overall, because of its higher data rate. (explain)

GeForce GTX 650 Ti 86400 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 9600 (13%)

Texel Rate

The GeForce GTX 650 Ti should be a lot (about 75%) faster with regards to texture filtering than the Radeon HD 5770. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 25392 (75%)

Pixel Rate

The GeForce GTX 650 Ti should be a little bit (more or less 9%) better at anti-aliasing than the Radeon HD 5770, and able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 1248 (9%)

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

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Radeon HD 5770

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 GTX 650 Ti Radeon HD 5770
Manufacturer nVidia AMD
Year October 2012 October 13, 2009
Code Name GK106 Juniper XT
Memory 1024 MB 1024 MB
Core Speed 928 MHz 850 MHz
Memory Speed 5400 MHz 4800 MHz
Power (Max TDP) 110 watts 108 watts
Bandwidth 86400 MB/sec 76800 MB/sec
Texel Rate 59392 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 768 800(160x5)
Texture Mapping Units 64 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 2540 million 1040 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 data (counted in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video 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 amount of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 650 Ti

Amazon.com

Check prices at:

Radeon HD 5770

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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