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GeForce GT 340 1GB vs Radeon R9 M290X

Intro

The GeForce GT 340 1GB features a core clock frequency of 550 MHz and a GDDR5 memory speed of 850 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It features 96 SPUs, 32 TAUs, and 8 ROPs.

Compare all of that to the Radeon R9 M290X, which has core clock speeds of 850 MHz on the GPU, and 1200 MHz on the 4096 MB of GDDR5 memory. It features 1280 SPUs along with 80 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB 69 Watts
Radeon R9 M290X 100 Watts
Difference: 31 Watts (45%)

Memory Bandwidth

The Radeon R9 M290X should theoretically perform quite a bit faster than the GeForce GT 340 1GB overall. (explain)

Radeon R9 M290X 153600 MB/sec
GeForce GT 340 1GB 54400 MB/sec
Difference: 99200 (182%)

Texel Rate

The Radeon R9 M290X should be quite a bit (approximately 286%) better at anisotropic filtering than the GeForce GT 340 1GB. (explain)

Radeon R9 M290X 68000 Mtexels/sec
GeForce GT 340 1GB 17600 Mtexels/sec
Difference: 50400 (286%)

Pixel Rate

The Radeon R9 M290X is a lot (approximately 518%) more effective at anti-aliasing than the GeForce GT 340 1GB, and also will be capable of handling higher resolutions while still performing well. (explain)

Radeon R9 M290X 27200 Mpixels/sec
GeForce GT 340 1GB 4400 Mpixels/sec
Difference: 22800 (518%)

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:

Radeon R9 M290X

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 M290X
Manufacturer nVidia AMD
Year February 2010 May 1 2014
Code Name GT215 Neptune XT
Memory 1024 MB 4096 MB
Core Speed 550 MHz 850 MHz
Memory Speed 3400 MHz 4800 MHz
Power (Max TDP) 69 watts 100 watts
Bandwidth 54400 MB/sec 153600 MB/sec
Texel Rate 17600 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 96 1280
Texture Mapping Units 32 80
Render Output Units 8 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-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 11.2
OpenGL Version OpenGL 3.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the card's 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 rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 340 1GB

Amazon.com

Check prices at:

Radeon R9 M290X

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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