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GeForce GTX 465 vs Radeon R9 M395X

Intro

The GeForce GTX 465 comes with a GPU core speed of 607 MHz, and the 1024 MB of GDDR5 memory is set to run at 802 MHz through a 256-bit bus. It also is made up of 352 SPUs, 44 Texture Address Units, and 32 ROPs.

Compare all that to the Radeon R9 M395X, which has a clock frequency of 723 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 256-bit bus, and uses a 28 nm design. It 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)

Radeon R9 M395X 125 Watts
GeForce GTX 465 200 Watts
Difference: 75 Watts (60%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 M395X should be a lot faster than the GeForce GTX 465 in general. (explain)

Radeon R9 M395X 160000 MB/sec
GeForce GTX 465 102592 MB/sec
Difference: 57408 (56%)

Texel Rate

The Radeon R9 M395X should be a lot (approximately 247%) faster with regards to anisotropic filtering than the GeForce GTX 465. (explain)

Radeon R9 M395X 92544 Mtexels/sec
GeForce GTX 465 26708 Mtexels/sec
Difference: 65836 (247%)

Pixel Rate

The Radeon R9 M395X will be a bit (approximately 19%) better at FSAA than the GeForce GTX 465, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon R9 M395X 23136 Mpixels/sec
GeForce GTX 465 19424 Mpixels/sec
Difference: 3712 (19%)

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 GTX 465

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 GTX 465 Radeon R9 M395X
Manufacturer nVidia AMD
Year May 2010 2015
Code Name GF100 Tonga
Memory 1024 MB 4096 MB
Core Speed 607 MHz 723 MHz
Memory Speed 3208 MHz 5000 MHz
Power (Max TDP) 200 watts 125 watts
Bandwidth 102592 MB/sec 160000 MB/sec
Texel Rate 26708 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 19424 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 352 2048
Texture Mapping Units 44 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 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: Memory bandwidth is the max amount of information (measured in MB per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 465

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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