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GeForce GT 340 1GB vs GeForce GTX 860M

Intro

The GeForce GT 340 1GB features clock speeds of 550 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 memory. It features 96 SPUs as well as 32 Texture Address Units and 8 ROPs.

Compare that to the GeForce GTX 860M, which has a GPU core clock speed of 797 MHz, and 4096 MB of GDDR5 memory running at 1000 MHz through a 128-bit bus. It also is made up of 1152 SPUs, 96 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
GeForce GT 340 1GB 69 Watts
Difference: 24 Watts (53%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 860M should be a bit faster than the GeForce GT 340 1GB in general. (explain)

GeForce GTX 860M 64000 MB/sec
GeForce GT 340 1GB 54400 MB/sec
Difference: 9600 (18%)

Texel Rate

The GeForce GTX 860M is quite a bit (about 335%) better at anisotropic filtering than the GeForce GT 340 1GB. (explain)

GeForce GTX 860M 76512 Mtexels/sec
GeForce GT 340 1GB 17600 Mtexels/sec
Difference: 58912 (335%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 860M is the winner, by far. (explain)

GeForce GTX 860M 12752 Mpixels/sec
GeForce GT 340 1GB 4400 Mpixels/sec
Difference: 8352 (190%)

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 340 1GB

Amazon.com

Check prices at:

GeForce GTX 860M

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 340 1GB GeForce GTX 860M
Manufacturer nVidia nVidia
Year February 2010 March 12 2014
Code Name GT215 GM107
Memory 1024 MB 4096 MB
Core Speed 550 MHz 797 MHz
Memory Speed 3400 MHz 4000 MHz
Power (Max TDP) 69 watts 45 watts
Bandwidth 54400 MB/sec 64000 MB/sec
Texel Rate 17600 Mtexels/sec 76512 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 12752 Mpixels/sec
Unified Shaders 96 1152
Texture Mapping Units 32 96
Render Output Units 8 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 727 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card 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 Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 340 1GB

Amazon.com

Check prices at:

GeForce GTX 860M

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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