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GeForce GTS 450 1GB vs Radeon R9 M395X

Intro

The GeForce GTS 450 1GB comes with a core clock speed of 783 MHz and a GDDR5 memory speed of 902 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is comprised of 192 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare those specs to the Radeon R9 M395X, which uses a 28 nm design. AMD has set the core speed at 723 MHz. The GDDR5 memory works at a frequency of 1250 MHz on this specific model. It features 2048 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 1GB 106 Watts
Radeon R9 M395X 125 Watts
Difference: 19 Watts (18%)

Memory Bandwidth

The Radeon R9 M395X should in theory be much faster than the GeForce GTS 450 1GB in general. (explain)

Radeon R9 M395X 160000 MB/sec
GeForce GTS 450 1GB 57728 MB/sec
Difference: 102272 (177%)

Texel Rate

The Radeon R9 M395X should be much (approximately 269%) faster with regards to texture filtering than the GeForce GTS 450 1GB. (explain)

Radeon R9 M395X 92544 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 67488 (269%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 M395X is superior to the GeForce GTS 450 1GB, by far. (explain)

Radeon R9 M395X 23136 Mpixels/sec
GeForce GTS 450 1GB 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

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GeForce GTS 450 1GB

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 1GB Radeon R9 M395X
Manufacturer nVidia AMD
Year September 2010 2015
Code Name GF106 Tonga
Memory 1024 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 (measured in megabytes per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 450 1GB

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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