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GeForce GTX 260 Core 216 vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce GTX 260 Core 216 has a GPU core speed of 576 MHz, and the 896 MB of GDDR3 memory runs at 999 MHz through a 448-bit bus. It also features 216 SPUs, 72 TAUs, and 28 ROPs.

Compare all that to the Radeon HD 6450 (OEM) 1GB, which comes with core speeds of 750 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 RAM. It features 160 SPUs as well as 8 Texture Address Units and 4 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 171 Watts (552%)

Memory Bandwidth

The GeForce GTX 260 Core 216 should in theory be a lot faster than the Radeon HD 6450 (OEM) 1GB overall. (explain)

GeForce GTX 260 Core 216 111888 MB/sec
Radeon HD 6450 (OEM) 1GB 28800 MB/sec
Difference: 83088 (289%)

Texel Rate

The GeForce GTX 260 Core 216 will be quite a bit (about 591%) faster with regards to texture filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce GTX 260 Core 216 41472 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 35472 (591%)

Pixel Rate

The GeForce GTX 260 Core 216 is much (approximately 438%) faster with regards to FSAA than the Radeon HD 6450 (OEM) 1GB, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 260 Core 216 16128 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 13128 (438%)

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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 260 Core 216

Amazon.com

Other US-based stores

Radeon HD 6450 (OEM) 1GB

Amazon.com

Other US-based stores

Specifications

Model GeForce GTX 260 Core 216 Radeon HD 6450 (OEM) 1GB
Manufacturer nVidia ATi
Year September 16, 2008 February 2011
Code Name G200 Caicos
Fab Process 65 nm 40 nm
Bus PCIe x16 2.0 PCIe 2.1 x16
Memory 896 MB 1024 MB
Core Speed 576 MHz 750 MHz
Shader Speed 1242 MHz (N/A) MHz
Memory Speed 999 MHz (1998 MHz effective) 900 MHz (3600 MHz effective)
Unified Shaders 216 160
Texture Mapping Units 72 8
Render Output Units 28 4
Bus Type GDDR3 GDDR5
Bus Width 448-bit 64-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1
Power (Max TDP) 202 watts 31 watts
Shader Model 4.0 5.0
Bandwidth 111888 MB/sec 28800 MB/sec
Texel Rate 41472 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 3000 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported across 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 the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better 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 number of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

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