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GeForce GTX 860M vs Radeon HD 4730

Intro

The GeForce GTX 860M uses a 28 nm design. nVidia has set the core speed at 797 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this particular card. It features 1152 SPUs as well as 96 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 4730, which comes with a clock speed of 700 MHz and a GDDR5 memory frequency of 900 MHz. It also makes use of a 128-bit memory bus, and uses a 55 nm design. It features 640(128x5) SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
Radeon HD 4730 140 Watts
Difference: 95 Watts (211%)

Memory Bandwidth

Performance-wise, the GeForce GTX 860M should in theory be a little bit superior to the Radeon HD 4730 in general. (explain)

GeForce GTX 860M 64000 MB/sec
Radeon HD 4730 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce GTX 860M should be a lot (more or less 242%) better at AF than the Radeon HD 4730. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 4730 22400 Mtexels/sec
Difference: 54112 (242%)

Pixel Rate

The GeForce GTX 860M will be a lot (more or less 128%) faster with regards to full screen anti-aliasing than the Radeon HD 4730, and also should be able to handle higher resolutions more effectively. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 4730 5600 Mpixels/sec
Difference: 7152 (128%)

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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GeForce GTX 860M

Amazon.com

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Radeon HD 4730

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 GeForce GTX 860M Radeon HD 4730
Manufacturer nVidia AMD
Year March 12 2014 Jun 8, 2009
Code Name GM107 RV770/CE
Memory 4096 MB 512 MB
Core Speed 797 MHz 700 MHz
Memory Speed 4000 MHz 3600 MHz
Power (Max TDP) 45 watts 140 watts
Bandwidth 64000 MB/sec 57600 MB/sec
Texel Rate 76512 Mtexels/sec 22400 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 5600 Mpixels/sec
Unified Shaders 1152 640(128x5)
Texture Mapping Units 96 32
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 956 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be transferred over the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics 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 maximum amount of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 4730

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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