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Radeon HD 4730 vs Radeon R7 M260X

Intro

The Radeon HD 4730 features a core clock frequency of 700 MHz and a GDDR5 memory frequency of 900 MHz. It also features a 128-bit bus, and uses a 55 nm design. It features 640(128x5) SPUs, 32 TAUs, and 8 ROPs.

Compare those specs to the Radeon R7 M260X, which has core speeds of 825 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R7 M260X should theoretically be a small bit faster than the Radeon HD 4730 overall. (explain)

Radeon R7 M260X 64000 MB/sec
Radeon HD 4730 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The Radeon HD 4730 will be a small bit (about 13%) more effective at texture filtering than the Radeon R7 M260X. (explain)

Radeon HD 4730 22400 Mtexels/sec
Radeon R7 M260X 19800 Mtexels/sec
Difference: 2600 (13%)

Pixel Rate

The Radeon R7 M260X should be just a bit (about 18%) better at full screen anti-aliasing than the Radeon HD 4730, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon R7 M260X 6600 Mpixels/sec
Radeon HD 4730 5600 Mpixels/sec
Difference: 1000 (18%)

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 4730

Amazon.com

Check prices at:

Radeon R7 M260X

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 4730 Radeon R7 M260X
Manufacturer AMD AMD
Year Jun 8, 2009 June 2014
Code Name RV770/CE Opal
Memory 512 MB 2048 MB
Core Speed 700 MHz 825 MHz
Memory Speed 3600 MHz 4000 MHz
Power (Max TDP) 140 watts (Unknown) watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 22400 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 5600 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 640(128x5) 384
Texture Mapping Units 32 24
Render Output Units 8 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 956 million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated 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 quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon HD 4730

Amazon.com

Check prices at:

Radeon R7 M260X

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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