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GeForce GT 1030 vs GeForce GT 340

Intro

The GeForce GT 1030 has a GPU core clock speed of 1265 MHz, and the 2048 MB of GDDR5 memory is set to run at 1502 MHz through a 64-bit bus. It also is comprised of 384 SPUs, 32 TAUs, and 16 Raster Operation Units.

Compare that to the GeForce GT 340, which comes with a core clock frequency of 550 MHz and a GDDR5 memory speed of 850 MHz. It also uses a 128-bit memory bus, and uses a 40 nm design. It is made up of 96 SPUs, 32 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 1030 30 Watts
GeForce GT 340 69 Watts
Difference: 39 Watts (130%)

Memory Bandwidth

In theory, the GeForce GT 340 will be 11% faster than the GeForce GT 1030 overall, because of its greater bandwidth. (explain)

GeForce GT 340 54400 MB/sec
GeForce GT 1030 49152 MB/sec
Difference: 5248 (11%)

Texel Rate

The GeForce GT 1030 will be much (about 130%) more effective at anisotropic filtering than the GeForce GT 340. (explain)

GeForce GT 1030 40480 Mtexels/sec
GeForce GT 340 17600 Mtexels/sec
Difference: 22880 (130%)

Pixel Rate

The GeForce GT 1030 will be quite a bit (more or less 360%) more effective at AA than the GeForce GT 340, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GT 1030 20240 Mpixels/sec
GeForce GT 340 4400 Mpixels/sec
Difference: 15840 (360%)

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

GeForce GT 340

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 GeForce GT 340
Manufacturer nVidia nVidia
Year May 2017 February 2010
Code Name GP108-300 GT215
Memory 2048 MB 512 MB
Core Speed 1265 MHz 550 MHz
Memory Speed 6008 MHz 3400 MHz
Power (Max TDP) 30 watts 69 watts
Bandwidth 49152 MB/sec 54400 MB/sec
Texel Rate 40480 Mtexels/sec 17600 Mtexels/sec
Pixel Rate 20240 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 384 96
Texture Mapping Units 32 32
Render Output Units 16 8
Bus Type GDDR5 GDDR5
Bus Width 64-bit 128-bit
Fab Process 16 nm 40 nm
Transistors 3300 million 727 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 12.0 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.3

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be transported across the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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

Display Prices

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GeForce GT 1030

Amazon.com

GeForce GT 340

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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