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GeForce GT 340 1GB vs Radeon HD 6750 1GB

Intro

The GeForce GT 340 1GB comes with a core clock speed of 550 MHz and a GDDR5 memory speed of 850 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It features 96 SPUs, 32 TAUs, and 8 Raster Operation Units.

Compare all that to the Radeon HD 6750 1GB, which comes with GPU clock speed of 725 MHz, and 1024 MB of GDDR5 memory set to run at 1000 MHz through a 128-bit bus. It also is made up of 720 Stream Processors, 36 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB 69 Watts
Radeon HD 6750 1GB 86 Watts
Difference: 17 Watts (25%)

Memory Bandwidth

As far as performance goes, the Radeon HD 6750 1GB should in theory be a little bit superior to the GeForce GT 340 1GB overall. (explain)

Radeon HD 6750 1GB 64000 MB/sec
GeForce GT 340 1GB 54400 MB/sec
Difference: 9600 (18%)

Texel Rate

The Radeon HD 6750 1GB is quite a bit (approximately 48%) faster with regards to texture filtering than the GeForce GT 340 1GB. (explain)

Radeon HD 6750 1GB 26100 Mtexels/sec
GeForce GT 340 1GB 17600 Mtexels/sec
Difference: 8500 (48%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon HD 6750 1GB is superior to the GeForce GT 340 1GB, by a large margin. (explain)

Radeon HD 6750 1GB 11600 Mpixels/sec
GeForce GT 340 1GB 4400 Mpixels/sec
Difference: 7200 (164%)

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

Check prices at:

Radeon HD 6750 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 1GB Radeon HD 6750 1GB
Manufacturer nVidia AMD
Year February 2010 January 2011
Code Name GT215 Juniper Pro
Memory 1024 MB 1024 MB
Core Speed 550 MHz 725 MHz
Memory Speed 3400 MHz 4000 MHz
Power (Max TDP) 69 watts 86 watts
Bandwidth 54400 MB/sec 64000 MB/sec
Texel Rate 17600 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 96 720
Texture Mapping Units 32 36
Render Output Units 8 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 727 million 1040 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.3 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it must 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 340 1GB

Amazon.com

Check prices at:

Radeon HD 6750 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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