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GeForce GT 340 1GB vs GeForce GTX 570

Intro

The GeForce GT 340 1GB features a clock speed of 550 MHz and a GDDR5 memory frequency of 850 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It features 96 SPUs, 32 TAUs, and 8 ROPs.

Compare all that to the GeForce GTX 570, which features core clock speeds of 732 MHz on the GPU, and 950 MHz on the 1280 MB of GDDR5 RAM. It features 480 SPUs along with 60 Texture Address Units and 40 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB 69 Watts
GeForce GTX 570 219 Watts
Difference: 150 Watts (217%)

Memory Bandwidth

In theory, the GeForce GTX 570 will be 179% quicker than the GeForce GT 340 1GB overall, due to its higher bandwidth. (explain)

GeForce GTX 570 152000 MB/sec
GeForce GT 340 1GB 54400 MB/sec
Difference: 97600 (179%)

Texel Rate

The GeForce GTX 570 should be a lot (more or less 150%) more effective at AF than the GeForce GT 340 1GB. (explain)

GeForce GTX 570 43920 Mtexels/sec
GeForce GT 340 1GB 17600 Mtexels/sec
Difference: 26320 (150%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 570 is superior to the GeForce GT 340 1GB, by far. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce GT 340 1GB 4400 Mpixels/sec
Difference: 24880 (565%)

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 GT 340 1GB

Amazon.com

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GeForce GTX 570

Amazon.com

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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 GT 340 1GB GeForce GTX 570
Manufacturer nVidia nVidia
Year February 2010 December 2010
Code Name GT215 GF110
Memory 1024 MB 1280 MB
Core Speed 550 MHz 732 MHz
Memory Speed 3400 MHz 3800 MHz
Power (Max TDP) 69 watts 219 watts
Bandwidth 54400 MB/sec 152000 MB/sec
Texel Rate 17600 Mtexels/sec 43920 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 96 480
Texture Mapping Units 32 60
Render Output Units 8 40
Bus Type GDDR5 GDDR5
Bus Width 128-bit 320-bit
Fab Process 40 nm 40 nm
Transistors 727 million 3000 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 again. If 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 high resolutions.

Texel Rate: Texel rate is the maximum 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 better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GT 340 1GB

Amazon.com

Check prices at:

GeForce GTX 570

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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