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GeForce GTX 650 Ti vs Radeon HD 5870

Intro

The GeForce GTX 650 Ti features a clock frequency of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also features a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

Compare those specs to the Radeon HD 5870, which comes with core speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 RAM. It features 1600(320x5) SPUs as well as 80 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 110 Watts
Radeon HD 5870 188 Watts
Difference: 78 Watts (71%)

Memory Bandwidth

Performance-wise, the Radeon HD 5870 should theoretically be much better than the GeForce GTX 650 Ti in general. (explain)

Radeon HD 5870 153600 MB/sec
GeForce GTX 650 Ti 86400 MB/sec
Difference: 67200 (78%)

Texel Rate

The Radeon HD 5870 will be a little bit (more or less 14%) faster with regards to texture filtering than the GeForce GTX 650 Ti. (explain)

Radeon HD 5870 68000 Mtexels/sec
GeForce GTX 650 Ti 59392 Mtexels/sec
Difference: 8608 (14%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 5870 is a better choice, by a large margin. (explain)

Radeon HD 5870 27200 Mpixels/sec
GeForce GTX 650 Ti 14848 Mpixels/sec
Difference: 12352 (83%)

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

Check prices at:

Radeon HD 5870

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 Radeon HD 5870
Manufacturer nVidia AMD
Year October 2012 September 23, 2009
Code Name GK106 Cypress XT
Memory 1024 MB 1024 MB
Core Speed 928 MHz 850 MHz
Memory Speed 5400 MHz 4800 MHz
Power (Max TDP) 110 watts 188 watts
Bandwidth 86400 MB/sec 153600 MB/sec
Texel Rate 59392 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 14848 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 768 1600(320x5)
Texture Mapping Units 64 80
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 maximum amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must 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 anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write 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 clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 650 Ti

Amazon.com

Check prices at:

Radeon HD 5870

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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