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GeForce GT 1030 vs Radeon HD 4790

Intro

The GeForce GT 1030 comes with a GPU core clock speed of 1265 MHz, and the 2048 MB of GDDR5 RAM runs at 1502 MHz through a 64-bit bus. It also is comprised of 384 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare all of that to the Radeon HD 4790, which comes with GPU core speed of 600 MHz, and 512 MB of GDDR5 memory set to run at 800 MHz through a 256-bit bus. It also is comprised of 640(128x5) SPUs, 32 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon HD 4790 should in theory perform quite a bit faster than the GeForce GT 1030 overall. (explain)

Radeon HD 4790 102400 MB/sec
GeForce GT 1030 49152 MB/sec
Difference: 53248 (108%)

Texel Rate

The GeForce GT 1030 will be much (about 111%) more effective at anisotropic filtering than the Radeon HD 4790. (explain)

GeForce GT 1030 40480 Mtexels/sec
Radeon HD 4790 19200 Mtexels/sec
Difference: 21280 (111%)

Pixel Rate

The GeForce GT 1030 is a lot (approximately 111%) more effective at FSAA than the Radeon HD 4790, and also will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GT 1030 20240 Mpixels/sec
Radeon HD 4790 9600 Mpixels/sec
Difference: 10640 (111%)

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 GT 1030

Amazon.com

Check prices at:

Radeon HD 4790

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 GeForce GT 1030 Radeon HD 4790
Manufacturer nVidia AMD
Year May 2017 2009
Code Name GP108-300 RV790
Memory 2048 MB 512 MB
Core Speed 1265 MHz 600 MHz
Memory Speed 6008 MHz 3200 MHz
Power (Max TDP) 30 watts (Unknown) watts
Bandwidth 49152 MB/sec 102400 MB/sec
Texel Rate 40480 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 20240 Mpixels/sec 9600 Mpixels/sec
Unified Shaders 384 640(128x5)
Texture Mapping Units 32 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 64-bit 256-bit
Fab Process 16 nm 55 nm
Transistors 3300 million 959 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (measured in MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core clock speed. 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 output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GT 1030

Amazon.com

Check prices at:

Radeon HD 4790

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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