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GeForce GTS 450 1GB vs Radeon R9 M295X

Intro

The GeForce GTS 450 1GB features core speeds of 783 MHz on the GPU, and 902 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Compare all that to the Radeon R9 M295X, which comes with a GPU core clock speed of 750 MHz, and 4096 MB of GDDR5 RAM set to run at 1375 MHz through a 256-bit bus. It also is made up of 2048 SPUs, 128 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 1GB 106 Watts
Radeon R9 M295X 125 Watts
Difference: 19 Watts (18%)

Memory Bandwidth

Performance-wise, the Radeon R9 M295X should in theory be a lot better than the GeForce GTS 450 1GB in general. (explain)

Radeon R9 M295X 176000 MB/sec
GeForce GTS 450 1GB 57728 MB/sec
Difference: 118272 (205%)

Texel Rate

The Radeon R9 M295X should be quite a bit (more or less 283%) faster with regards to anisotropic filtering than the GeForce GTS 450 1GB. (explain)

Radeon R9 M295X 96000 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 70944 (283%)

Pixel Rate

The Radeon R9 M295X is much (about 92%) faster with regards to AA than the GeForce GTS 450 1GB, and also should be able to handle higher resolutions without losing too much performance. (explain)

Radeon R9 M295X 24000 Mpixels/sec
GeForce GTS 450 1GB 12528 Mpixels/sec
Difference: 11472 (92%)

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 GTS 450 1GB

Amazon.com

Check prices at:

Radeon R9 M295X

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 1GB Radeon R9 M295X
Manufacturer nVidia AMD
Year September 2010 2014
Code Name GF106 Unknown
Memory 1024 MB 4096 MB
Core Speed 783 MHz 750 MHz
Memory Speed 3608 MHz 5500 MHz
Power (Max TDP) 106 watts 125 watts
Bandwidth 57728 MB/sec 176000 MB/sec
Texel Rate 25056 Mtexels/sec 96000 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 24000 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 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the interface width by the speed of its memory. If the card has DDR 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed 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 better this number, the better the 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 most pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTS 450 1GB

Amazon.com

Check prices at:

Radeon R9 M295X

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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