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Radeon HD 5450 vs Radeon R7 260X

Intro

The Radeon HD 5450 uses a 40 nm design. AMD has set the core frequency at 650 MHz. The DDR3 RAM is set to run at a frequency of 800 MHz on this specific card. It features 80(16x5) SPUs as well as 8 Texture Address Units and 4 ROPs.

Compare those specifications to the Radeon R7 260X, which has core speeds of 1100 MHz on the GPU, and 1625 MHz on the 2048 MB of GDDR5 RAM. It features 896 SPUs along with 56 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5450 19 Watts
Radeon R7 260X 115 Watts
Difference: 96 Watts (505%)

Memory Bandwidth

Theoretically speaking, the Radeon R7 260X should perform quite a bit faster than the Radeon HD 5450 in general. (explain)

Radeon R7 260X 104000 MB/sec
Radeon HD 5450 12800 MB/sec
Difference: 91200 (713%)

Texel Rate

The Radeon R7 260X is much (about 1085%) better at AF than the Radeon HD 5450. (explain)

Radeon R7 260X 61600 Mtexels/sec
Radeon HD 5450 5200 Mtexels/sec
Difference: 56400 (1085%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 260X is the winner, and very much so. (explain)

Radeon R7 260X 17600 Mpixels/sec
Radeon HD 5450 2600 Mpixels/sec
Difference: 15000 (577%)

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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Radeon HD 5450

Amazon.com

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Radeon R7 260X

Amazon.com

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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 Radeon HD 5450 Radeon R7 260X
Manufacturer AMD AMD
Year February 4, 2010 October 2013
Code Name Cedar PRO Bonaire XTX
Memory 512 MB 2048 MB
Core Speed 650 MHz 1100 MHz
Memory Speed 1600 MHz 6500 MHz
Power (Max TDP) 19 watts 115 watts
Bandwidth 12800 MB/sec 104000 MB/sec
Texel Rate 5200 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 2600 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 80(16x5) 896
Texture Mapping Units 8 56
Render Output Units 4 16
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 292 million 2080 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's 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 applied in one second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics 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 maximum number of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon HD 5450

Amazon.com

Check prices at:

Radeon R7 260X

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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