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Radeon HD 4670 1GB vs Radeon R7 M260

Intro

The Radeon HD 4670 1GB comes with a GPU core clock speed of 750 MHz, and the 1024 MB of GDDR4/GDDR3/DDR3/DDR2 memory runs at 1100 MHz through a 128-bit bus. It also features 320(64x5) SPUs, 32 TAUs, and 8 Raster Operation Units.

Compare all of that to the Radeon R7 M260, which makes use of a 28 nm design. AMD has clocked the core speed at 715 MHz. The DDR3 memory works at a frequency of 1000 MHz on this specific model. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon HD 4670 1GB should perform a lot faster than the Radeon R7 M260 in general. (explain)

Radeon HD 4670 1GB 35200 MB/sec
Radeon R7 M260 16000 MB/sec
Difference: 19200 (120%)

Texel Rate

The Radeon HD 4670 1GB will be quite a bit (approximately 40%) more effective at anisotropic filtering than the Radeon R7 M260. (explain)

Radeon HD 4670 1GB 24000 Mtexels/sec
Radeon R7 M260 17160 Mtexels/sec
Difference: 6840 (40%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 4670 1GB is the winner, but it probably won't make a huge difference. (explain)

Radeon HD 4670 1GB 6000 Mpixels/sec
Radeon R7 M260 5720 Mpixels/sec
Difference: 280 (5%)

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 4670 1GB

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 4670 1GB Radeon R7 M260
Manufacturer AMD AMD
Year Sep 10, 2008 June 2014
Code Name RV730 XT Opal/Topaz
Memory 1024 MB 2048 MB
Core Speed 750 MHz 715 MHz
Memory Speed 2200 MHz 2000 MHz
Power (Max TDP) 70 watts (Unknown) watts
Bandwidth 35200 MB/sec 16000 MB/sec
Texel Rate 24000 Mtexels/sec 17160 Mtexels/sec
Pixel Rate 6000 Mpixels/sec 5720 Mpixels/sec
Unified Shaders 320(64x5) 384
Texture Mapping Units 32 24
Render Output Units 8 8
Bus Type GDDR4/GDDR3/DDR3/DDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 55 nm 28 nm
Transistors 514 million (Unknown) million
Bus PCIe 2.0 x16, AGP 8x 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 moved past the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen 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 amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 4670 1GB

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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