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GeForce GT 340 vs Radeon HD 6570 (OEM) 1GB

Intro

The GeForce GT 340 has core clock speeds of 550 MHz on the GPU, and 850 MHz on the 512 MB of GDDR5 RAM. It features 96 SPUs as well as 32 Texture Address Units and 8 Rasterization Operator Units.

Compare all that to the Radeon HD 6570 (OEM) 1GB, which comes with a clock speed of 650 MHz and a GDDR3 memory frequency of 900 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It features 480 SPUs, 24 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB 50 Watts
GeForce GT 340 69 Watts
Difference: 19 Watts (38%)

Memory Bandwidth

In theory, the GeForce GT 340 is 89% quicker than the Radeon HD 6570 (OEM) 1GB overall, due to its greater data rate. (explain)

GeForce GT 340 54400 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 25600 (89%)

Texel Rate

The GeForce GT 340 will be a little bit (approximately 13%) faster with regards to texture filtering than the Radeon HD 6570 (OEM) 1GB. (explain)

GeForce GT 340 17600 Mtexels/sec
Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
Difference: 2000 (13%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 6570 (OEM) 1GB is a better choice, but only just. (explain)

Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
GeForce GT 340 4400 Mpixels/sec
Difference: 800 (18%)

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

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 1GB

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 GT 340 Radeon HD 6570 (OEM) 1GB
Manufacturer nVidia AMD
Year February 2010 February 2011
Code Name GT215 Turks
Memory 512 MB 1024 MB
Core Speed 550 MHz 650 MHz
Memory Speed 3400 MHz 1800 MHz
Power (Max TDP) 69 watts 50 watts
Bandwidth 54400 MB/sec 28800 MB/sec
Texel Rate 17600 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 96 480
Texture Mapping Units 32 24
Render Output Units 8 8
Bus Type GDDR5 GDDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 727 million 715 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, 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 worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics 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 most pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 340

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 1GB

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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