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GeForce GTS 450 vs Radeon R9 M395X

Intro

The GeForce GTS 450 has a GPU core speed of 783 MHz, and the 512 MB of GDDR5 RAM is set to run at 902 MHz through a 128-bit bus. It also features 192 Stream Processors, 32 TAUs, and 16 ROPs.

Compare all of that to the Radeon R9 M395X, which comes with GPU core speed of 723 MHz, and 4096 MB of GDDR5 RAM running at 1250 MHz through a 256-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 106 Watts
Radeon R9 M395X 125 Watts
Difference: 19 Watts (18%)

Memory Bandwidth

The Radeon R9 M395X should in theory be a lot faster than the GeForce GTS 450 in general. (explain)

Radeon R9 M395X 160000 MB/sec
GeForce GTS 450 57728 MB/sec
Difference: 102272 (177%)

Texel Rate

The Radeon R9 M395X should be much (approximately 269%) better at AF than the GeForce GTS 450. (explain)

Radeon R9 M395X 92544 Mtexels/sec
GeForce GTS 450 25056 Mtexels/sec
Difference: 67488 (269%)

Pixel Rate

The Radeon R9 M395X will be a lot (more or less 85%) better at FSAA than the GeForce GTS 450, and also will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 M395X 23136 Mpixels/sec
GeForce GTS 450 12528 Mpixels/sec
Difference: 10608 (85%)

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

Display Prices

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GeForce GTS 450

Amazon.com

Check prices at:

Radeon R9 M395X

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 GTS 450 Radeon R9 M395X
Manufacturer nVidia AMD
Year September 2010 2015
Code Name GF106 Tonga
Memory 512 MB 4096 MB
Core Speed 783 MHz 723 MHz
Memory Speed 3608 MHz 5000 MHz
Power (Max TDP) 106 watts 125 watts
Bandwidth 57728 MB/sec 160000 MB/sec
Texel Rate 25056 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 192 2048
Texture Mapping Units 32 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 1170 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 amount 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 by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the clock 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 is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTS 450

Amazon.com

Check prices at:

Radeon R9 M395X

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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