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GeForce GT 1030 vs Radeon HD 4790

Intro

The GeForce GT 1030 makes use of a 16 nm design. nVidia has set the core speed at 1265 MHz. The GDDR5 memory works at a frequency of 1502 MHz on this model. It features 384 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Compare that to the Radeon HD 4790, which makes use of a 55 nm design. AMD has set the core frequency at 600 MHz. The GDDR5 memory works at a speed of 800 MHz on this model. It features 640(128x5) SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 4790 should perform a lot 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 is much (approximately 111%) more effective at texture 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 will be much (about 111%) better at full screen anti-aliasing than the Radeon HD 4790, and should be capable of handling higher screen resolutions more effectively. (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

Radeon HD 4790

Amazon.com

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: Memory bandwidth is the largest amount of data (in units of MB per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total texture units of the card 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 processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GT 1030

Amazon.com

Radeon HD 4790

Amazon.com

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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