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GeForce GTX 650 Ti 2GB vs Radeon HD 5770

Intro

The GeForce GTX 650 Ti 2GB features clock speeds of 928 MHz on the GPU, and 1350 MHz on the 2048 MB of GDDR5 memory. It features 768 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare that to the Radeon HD 5770, which comes with a clock frequency of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also uses a 128-bit bus, and uses a 40 nm design. It is made up of 800(160x5) SPUs, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

The GeForce GTX 650 Ti 2GB, in theory, should be a little bit faster than the Radeon HD 5770 in general. (explain)

GeForce GTX 650 Ti 2GB 86400 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 9600 (13%)

Texel Rate

The GeForce GTX 650 Ti 2GB is quite a bit (approximately 75%) faster with regards to anisotropic filtering than the Radeon HD 5770. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 25392 (75%)

Pixel Rate

The GeForce GTX 650 Ti 2GB is a little bit (approximately 9%) more effective 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 2GB 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 2GB

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.

Specifications

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Model GeForce GTX 650 Ti 2GB Radeon HD 5770
Manufacturer nVidia AMD
Year October 2012 October 13, 2009
Code Name GK106 Juniper XT
Memory 2048 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: Bandwidth is the largest amount of information (in units of MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 650 Ti 2GB

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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