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GeForce GTX 460 1GB vs GeForce GTX 550 Ti


Intro

The GeForce GTX 460 1GB has a clock speed of 675 MHz and a GDDR5 memory speed of 900 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It is comprised of 336 SPUs, 56 Texture Address Units, and 32 ROPs.

Compare those specs to the GeForce GTX 550 Ti, which uses a 40 nm design. nVidia has clocked the core frequency at 900 MHz. The GDDR5 RAM is set to run at a frequency of 1026 MHz on this particular card. It features 192 SPUs as well as 32 TAUs and 24 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 44 Watts (38%)

Memory Bandwidth

The GeForce GTX 460 1GB should theoretically be a bit faster than the GeForce GTX 550 Ti in general. (explain)

GeForce GTX 460 1GB 115200 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 16704 (17%)

Texel Rate

The GeForce GTX 460 1GB is quite a bit (more or less 31%) better at texture filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTX 460 1GB 37800 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 9000 (31%)

Pixel Rate

Both cards have the exact same pixel rate, so theoretically they should be equally good at at full screen anti-aliasing, and be able to handle the same screen resolutions. (explain)

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

GeForce GTX 460 1GB

GeForce GTX 550 Ti

Specifications

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Model GeForce GTX 460 1GB GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year July 2010 March 2011
Code Name GF104 GF116
Memory 1024 MB 1024 MB
Core Speed 675 MHz 900 MHz
Memory Speed 3600 MHz 4104 MHz
Power (Max TDP) 160 watts 116 watts
Bandwidth 115200 MB/sec 98496 MB/sec
Texel Rate 37800 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 336 192
Texture Mapping Units 56 32
Render Output Units 32 24
Bus Type GDDR5 GDDR5
Bus Width 256-bit 192-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 1170 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could 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 colour ROPs by the clock speed of the card. 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 output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

GeForce GTX 460 1GB

GeForce GTX 550 Ti

Comments

6 Responses to “GeForce GTX 460 1GB vs GeForce GTX 550 Ti”
Hi, still kinda lacking in computer knowledge, just got a question. says:

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Can this run BF2 Project Reality, and games such as Arma II? - Page 2 - Project Reality Forums says:

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