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GeForce GTS 450 vs GeForce GTX 460


Intro

The GeForce GTS 450 comes with a core clock frequency of 783 MHz and a GDDR5 memory speed of 902 MHz. It also uses a 128-bit bus, and uses a 40 nm design. It features 192 SPUs, 32 TAUs, and 16 Raster Operation Units.

Compare those specifications to the GeForce GTX 460, which has a core clock frequency of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 192-bit memory bus, and uses a 40 nm design. It is comprised of 336 SPUs, 56 TAUs, and 24 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 460 2560 points
GeForce GTS 450 1460 points
Difference: 1100 (75%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 106 Watts
GeForce GTX 460 150 Watts
Difference: 44 Watts (42%)

Memory Bandwidth

Theoretically, the GeForce GTX 460 should perform a lot faster than the GeForce GTS 450 in general. (explain)

GeForce GTX 460 86400 MB/sec
GeForce GTS 450 57728 MB/sec
Difference: 28672 (50%)

Texel Rate

The GeForce GTX 460 is a lot (approximately 51%) better at texture filtering than the GeForce GTS 450. (explain)

GeForce GTX 460 37800 Mtexels/sec
GeForce GTS 450 25056 Mtexels/sec
Difference: 12744 (51%)

Pixel Rate

The GeForce GTX 460 is much (about 29%) better at full screen anti-aliasing than the GeForce GTS 450, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 460 16200 Mpixels/sec
GeForce GTS 450 12528 Mpixels/sec
Difference: 3672 (29%)

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 GTS 450

Amazon.com

GeForce GTX 460

Amazon.com

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 GTS 450 GeForce GTX 460
Manufacturer nVidia nVidia
Year September 2010 July 2010
Code Name GF106 GF104
Memory 512 MB 768 MB
Core Speed 783 MHz 675 MHz
Memory Speed 3608 MHz 3600 MHz
Power (Max TDP) 106 watts 150 watts
Bandwidth 57728 MB/sec 86400 MB/sec
Texel Rate 25056 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 16200 Mpixels/sec
Unified Shaders 192 336
Texture Mapping Units 32 56
Render Output Units 16 24
Bus Type GDDR5 GDDR5
Bus Width 128-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 1950 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 amount of texture map elements (texels) that are processed 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 450

Amazon.com

GeForce GTX 460

Amazon.com

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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