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GeForce GT 315 vs Radeon HD 6570 (OEM) 1GB

Intro

The GeForce GT 315 has a clock frequency of 625 MHz and a DDR3 memory speed of 790 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is comprised of 48 SPUs, 16 TAUs, and 8 Raster Operation Units.

Compare all of that to the Radeon HD 6570 (OEM) 1GB, which comes with clock speeds of 650 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 RAM. It features 480 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB 50 Watts
GeForce GT 315 52 Watts
Difference: 2 Watts (4%)

Memory Bandwidth

The Radeon HD 6570 (OEM) 1GB should in theory be just a bit faster than the GeForce GT 315 overall. (explain)

Radeon HD 6570 (OEM) 1GB 28800 MB/sec
GeForce GT 315 25280 MB/sec
Difference: 3520 (14%)

Texel Rate

The Radeon HD 6570 (OEM) 1GB should be much (more or less 56%) faster with regards to texture filtering than the GeForce GT 315. (explain)

Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
GeForce GT 315 10000 Mtexels/sec
Difference: 5600 (56%)

Pixel Rate

The Radeon HD 6570 (OEM) 1GB is a small bit (about 4%) better at anti-aliasing than the GeForce GT 315, and able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
GeForce GT 315 5000 Mpixels/sec
Difference: 200 (4%)

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 315

Amazon.com

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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 315 Radeon HD 6570 (OEM) 1GB
Manufacturer nVidia AMD
Year November 2009 February 2011
Code Name GT216 Turks
Memory 512 MB 1024 MB
Core Speed 625 MHz 650 MHz
Memory Speed 1580 MHz 1800 MHz
Power (Max TDP) 52 watts 50 watts
Bandwidth 25280 MB/sec 28800 MB/sec
Texel Rate 10000 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 48 480
Texture Mapping Units 16 24
Render Output Units 8 8
Bus Type DDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 486 million 715 million
Bus PCIe 2.0 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. 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 reach the maximum fill rate.

Display Prices

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GeForce GT 315

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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