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GeForce GTX 280 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 280 has clock speeds of 602 MHz on the GPU, and 1107 MHz on the 1024 MB of GDDR3 RAM. It features 240 SPUs as well as 80 TAUs and 32 ROPs.

Compare those specifications to the GeForce GTX 650 Ti 2GB, which comes with a clock speed of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also features a 128-bit bus, and uses a 28 nm design. It features 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce GTX 280 236 Watts
Difference: 126 Watts (115%)

Memory Bandwidth

Performance-wise, the GeForce GTX 280 should in theory be quite a bit better than the GeForce GTX 650 Ti 2GB in general. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 55296 (64%)

Texel Rate

The GeForce GTX 650 Ti 2GB is quite a bit (about 23%) more effective at AF than the GeForce GTX 280. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce GTX 280 48160 Mtexels/sec
Difference: 11232 (23%)

Pixel Rate

The GeForce GTX 280 should be much (more or less 30%) faster with regards to anti-aliasing than the GeForce GTX 650 Ti 2GB, and also will be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 280 19264 Mpixels/sec
GeForce GTX 650 Ti 2GB 14848 Mpixels/sec
Difference: 4416 (30%)

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 280

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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 280 GeForce GTX 650 Ti 2GB
Manufacturer nVidia nVidia
Year June 17, 2008 October 2012
Code Name G200 GK106
Memory 1024 MB 2048 MB
Core Speed 602 MHz 928 MHz
Memory Speed 2214 MHz 5400 MHz
Power (Max TDP) 236 watts 110 watts
Bandwidth 141696 MB/sec 86400 MB/sec
Texel Rate 48160 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 240 768
Texture Mapping Units 80 64
Render Output Units 32 16
Bus Type GDDR3 GDDR5
Bus Width 512-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 1400 million 2540 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total amount 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 280

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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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