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GeForce GT 315 vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce GT 315 makes use of a 40 nm design. nVidia has clocked the core speed at 625 MHz. The DDR3 RAM works at a frequency of 790 MHz on this particular card. It features 48 SPUs as well as 16 Texture Address Units and 8 ROPs.

Compare those specifications to the Radeon HD 6450 (OEM) 1GB, which uses a 40 nm design. AMD has clocked the core speed at 750 MHz. The GDDR5 RAM runs at a speed of 900 MHz on this model. It features 160 SPUs along with 8 TAUs and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce GT 315 52 Watts
Difference: 21 Watts (68%)

Memory Bandwidth

The Radeon HD 6450 (OEM) 1GB should in theory perform just a bit faster than the GeForce GT 315 in general. (explain)

Radeon HD 6450 (OEM) 1GB 28800 MB/sec
GeForce GT 315 25280 MB/sec
Difference: 3520 (14%)

Texel Rate

The GeForce GT 315 should be much (approximately 67%) more effective at AF than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce GT 315 10000 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 4000 (67%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GT 315 is superior to the Radeon HD 6450 (OEM) 1GB, by a large margin. (explain)

GeForce GT 315 5000 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 2000 (67%)

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

Check prices at:

Radeon HD 6450 (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 6450 (OEM) 1GB
Manufacturer nVidia AMD
Year November 2009 February 2011
Code Name GT216 Caicos
Memory 512 MB 1024 MB
Core Speed 625 MHz 750 MHz
Memory Speed 1580 MHz 3600 MHz
Power (Max TDP) 52 watts 31 watts
Bandwidth 25280 MB/sec 28800 MB/sec
Texel Rate 10000 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 48 160
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type DDR3 GDDR5
Bus Width 128-bit 64-bit
Fab Process 40 nm 40 nm
Transistors 486 million 370 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 data (counted in MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's 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 per second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher 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 can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GT 315

Amazon.com

Check prices at:

Radeon HD 6450 (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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