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GeForce GT 340 1GB vs Radeon R9 295X2

Intro

The GeForce GT 340 1GB has core clock speeds of 550 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 RAM. It features 96 SPUs as well as 32 TAUs and 8 ROPs.

Compare those specs to the Radeon R9 295X2, which features clock speeds of 1018 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 Texture Address Units and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB 69 Watts
Radeon R9 295X2 500 Watts
Difference: 431 Watts (625%)

Memory Bandwidth

In theory, the Radeon R9 295X2 will be 1076% quicker than the GeForce GT 340 1GB overall, because of its greater data rate. (explain)

Radeon R9 295X2 640000 MB/sec
GeForce GT 340 1GB 54400 MB/sec
Difference: 585600 (1076%)

Texel Rate

The Radeon R9 295X2 should be a lot (about 1936%) more effective at AF than the GeForce GT 340 1GB. (explain)

Radeon R9 295X2 358336 Mtexels/sec
GeForce GT 340 1GB 17600 Mtexels/sec
Difference: 340736 (1936%)

Pixel Rate

The Radeon R9 295X2 is much (approximately 2861%) better at FSAA than the GeForce GT 340 1GB, and should be able to handle higher resolutions while still performing well. (explain)

Radeon R9 295X2 130304 Mpixels/sec
GeForce GT 340 1GB 4400 Mpixels/sec
Difference: 125904 (2861%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GT 340 1GB

Amazon.com

Check prices at:

Radeon R9 295X2

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 Radeon R9 295X2
Manufacturer nVidia AMD
Year February 2010 April 2014
Code Name GT215 Vesuvius
Memory 1024 MB 4096 MB (x2)
Core Speed 550 MHz 1018 MHz (x2)
Memory Speed 3400 MHz 5000 MHz (x2)
Power (Max TDP) 69 watts 500 watts
Bandwidth 54400 MB/sec 640000 MB/sec
Texel Rate 17600 Mtexels/sec 358336 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 130304 Mpixels/sec
Unified Shaders 96 2816 (x2)
Texture Mapping Units 32 176 (x2)
Render Output Units 8 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 128-bit 512-bit (x2)
Fab Process 40 nm 28 nm
Transistors 727 million 6200 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units by the core clock 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 processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few 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 340 1GB

Amazon.com

Check prices at:

Radeon R9 295X2

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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