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GeForce GTX 460 vs GeForce GTX 550 Ti

Intro

The GeForce GTX 460 uses a 40 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR5 memory runs at a frequency of 900 MHz on this specific card. It features 336 SPUs along with 56 Texture Address Units and 24 ROPs.

Compare that to the GeForce GTX 550 Ti, which features clock speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs as well as 32 TAUs and 24 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce GTX 460 150 Watts
Difference: 34 Watts (29%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 550 Ti should be 14% quicker than the GeForce GTX 460 overall, because of its higher data rate. (explain)

GeForce GTX 550 Ti 98496 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 12096 (14%)

Texel Rate

The GeForce GTX 460 is much (more or less 31%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

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

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 550 Ti is a better choice, by far. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 5400 (33%)

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

Amazon.com

GeForce GTX 550 Ti

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

Model GeForce GTX 460 GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year July 2010 March 2011
Code Name GF104 GF116
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe 2.1 x16
Memory 768 MB 1024 MB
Core Speed 675 MHz 900 MHz
Shader Speed 1350 MHz 1800 MHz
Memory Speed 900 MHz (3600 MHz effective) 1026 MHz (4104 MHz effective)
Unified Shaders 336 192
Texture Mapping Units 56 32
Render Output Units 24 24
Bus Type GDDR5 GDDR5
Bus Width 192-bit 192-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 150 watts 116 watts
Shader Model 5.0 5.0
Bandwidth 86400 MB/sec 98496 MB/sec
Texel Rate 37800 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 21600 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends 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.

Comments

11 Responses to “GeForce GTX 460 vs GeForce GTX 550 Ti”
Nick says:
It seems that the 550 Ti uses a third less power and beats the 460 2 out of 3 catagories. Less cores but greater performance, 550 Ti is the winner.
Jack says:
Nope your wrong GTX 460 is more powerfull
Frank says:
Nope, you're both wrong. Intel HD is the king.
Frank says:
This comparison is done with the weaker 768mb GTX 460...

Not the standard one with 1024mb 256bit memory at 115200 MB/sec.

Anonymous says:
jajaja intel hd
Intel says:
Intel HD FTW! HAHAHAHA!
Man says:
Intel HD is the absolute pinnacle of performance. Definitely Intel HD for the win.
Johnny says:
Intel hd? Kkkkk... 550Ti win! In this comparation (: but..
thaghost says:
I only wish I could afford something with Intel HD, It's some top of the line stuff.
Assassin says:
Intel HD is effective but not as much as GTX 550 ti It has only one thing less which is Texel rate & due to less power cosumption it wins...
Jax says:
Lol intel HD.... That's so funny

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