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GeForce GTX 280 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 280 uses a 65 nm design. nVidia has clocked the core frequency at 602 MHz. The GDDR3 RAM works at a speed of 1107 MHz on this model. It features 240 SPUs along with 80 Texture Address Units and 32 ROPs.

Compare all that to the GeForce GTX 650 Ti 2GB, which features a GPU core clock speed of 928 MHz, and 2048 MB of GDDR5 memory running at 1350 MHz through a 128-bit bus. It also is made up of 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

As far as performance goes, the GeForce GTX 280 should theoretically be much superior to the GeForce GTX 650 Ti 2GB overall. (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 should be much (approximately 23%) faster with regards to texture filtering 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 quite a bit (about 30%) better at AA than the GeForce GTX 650 Ti 2GB, and should be capable of handling higher screen resolutions without losing too much performance. (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: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR 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 number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics 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 that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential 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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