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Radeon HD 5450 vs Radeon R7 M260

Intro

The Radeon HD 5450 comes with a clock speed of 650 MHz and a DDR3 memory speed of 800 MHz. It also uses a 64-bit memory bus, and makes use of a 40 nm design. It is made up of 80(16x5) SPUs, 8 Texture Address Units, and 4 ROPs.

Compare all of that to the Radeon R7 M260, which has a core clock frequency of 715 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 64-bit memory bus, and makes use of a 28 nm design. It features 384 SPUs, 24 TAUs, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R7 M260 should theoretically be much faster than the Radeon HD 5450 overall. (explain)

Radeon R7 M260 16000 MB/sec
Radeon HD 5450 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon R7 M260 is much (approximately 230%) faster with regards to texture filtering than the Radeon HD 5450. (explain)

Radeon R7 M260 17160 Mtexels/sec
Radeon HD 5450 5200 Mtexels/sec
Difference: 11960 (230%)

Pixel Rate

The Radeon R7 M260 should be a lot (more or less 120%) more effective at AA than the Radeon HD 5450, and also should be capable of handling higher resolutions without slowing down too much. (explain)

Radeon R7 M260 5720 Mpixels/sec
Radeon HD 5450 2600 Mpixels/sec
Difference: 3120 (120%)

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

Check prices at:

Radeon R7 M260

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 Radeon HD 5450 Radeon R7 M260
Manufacturer AMD AMD
Year February 4, 2010 June 2014
Code Name Cedar PRO Opal/Topaz
Memory 512 MB 2048 MB
Core Speed 650 MHz 715 MHz
Memory Speed 1600 MHz 2000 MHz
Power (Max TDP) 19 watts (Unknown) watts
Bandwidth 12800 MB/sec 16000 MB/sec
Texel Rate 5200 Mtexels/sec 17160 Mtexels/sec
Pixel Rate 2600 Mpixels/sec 5720 Mpixels/sec
Unified Shaders 80(16x5) 384
Texture Mapping Units 8 24
Render Output Units 4 8
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 40 nm 28 nm
Transistors 292 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better 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 are processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can 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 Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon HD 5450

Amazon.com

Check prices at:

Radeon R7 M260

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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