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GeForce GTX 650 Ti 2GB vs Radeon HD 5770

Intro

The GeForce GTX 650 Ti 2GB uses a 28 nm design. nVidia has set the core frequency at 928 MHz. The GDDR5 memory runs at a frequency of 1350 MHz on this specific card. It features 768 SPUs along with 64 TAUs and 16 ROPs.

Compare all that to the Radeon HD 5770, which has clock speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 RAM. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

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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 should theoretically perform a small bit faster than the Radeon HD 5770 overall. (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 will be much (approximately 75%) better at 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 will be a small bit (approximately 9%) more effective at AA than the Radeon HD 5770, and capable of handling higher resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved across the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better 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 are processed in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the 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 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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