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Radeon HD 4850 2GB vs Radeon R7 M260X

Intro

The Radeon HD 4850 2GB comes with a clock frequency of 625 MHz and a GDDR4 memory frequency of 993 MHz. It also makes use of a 256-bit memory bus, and makes use of a 55 nm design. It features 800(160x5) SPUs, 40 TAUs, and 16 ROPs.

Compare those specs to the Radeon R7 M260X, which makes use of a 28 nm design. AMD has set the core frequency at 825 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this model. It features 384 SPUs along with 24 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R7 M260X should theoretically be a little bit better than the Radeon HD 4850 2GB in general. (explain)

Radeon R7 M260X 64000 MB/sec
Radeon HD 4850 2GB 63552 MB/sec
Difference: 448 (1%)

Texel Rate

The Radeon HD 4850 2GB should be a lot (more or less 26%) more effective at anisotropic filtering than the Radeon R7 M260X. (explain)

Radeon HD 4850 2GB 25000 Mtexels/sec
Radeon R7 M260X 19800 Mtexels/sec
Difference: 5200 (26%)

Pixel Rate

The Radeon HD 4850 2GB will be a lot (about 52%) better at anti-aliasing than the Radeon R7 M260X, and also will be capable of handling higher screen resolutions better. (explain)

Radeon HD 4850 2GB 10000 Mpixels/sec
Radeon R7 M260X 6600 Mpixels/sec
Difference: 3400 (52%)

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 4850 2GB

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 4850 2GB Radeon R7 M260X
Manufacturer AMD AMD
Year Jun 25, 2008 June 2014
Code Name RV770 PRO Opal
Memory 2048 MB 2048 MB
Core Speed 625 MHz 825 MHz
Memory Speed 1986 MHz 4000 MHz
Power (Max TDP) 110 watts (Unknown) watts
Bandwidth 63552 MB/sec 64000 MB/sec
Texel Rate 25000 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 10000 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 800(160x5) 384
Texture Mapping Units 40 24
Render Output Units 16 8
Bus Type GDDR4 GDDR5
Bus Width 256-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: Memory bandwidth is the max amount of data (measured in MB per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total amount of texture units by the core clock 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 a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4850 2GB

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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