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GeForce GT 315 vs Radeon R9 M395X

Intro

The GeForce GT 315 features core speeds of 625 MHz on the GPU, and 790 MHz on the 512 MB of DDR3 RAM. It features 48 SPUs along with 16 TAUs and 8 ROPs.

Compare all that to the Radeon R9 M395X, which comes with GPU clock speed of 723 MHz, and 4096 MB of GDDR5 memory set to run at 1250 MHz through a 256-bit bus. It also features 2048 Stream Processors, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 315 52 Watts
Radeon R9 M395X 125 Watts
Difference: 73 Watts (140%)

Memory Bandwidth

In theory, the Radeon R9 M395X should be a lot faster than the GeForce GT 315 overall. (explain)

Radeon R9 M395X 160000 MB/sec
GeForce GT 315 25280 MB/sec
Difference: 134720 (533%)

Texel Rate

The Radeon R9 M395X is much (approximately 825%) more effective at AF than the GeForce GT 315. (explain)

Radeon R9 M395X 92544 Mtexels/sec
GeForce GT 315 10000 Mtexels/sec
Difference: 82544 (825%)

Pixel Rate

The Radeon R9 M395X should be a lot (about 363%) faster with regards to FSAA than the GeForce GT 315, and will be capable of handling higher resolutions while still performing well. (explain)

Radeon R9 M395X 23136 Mpixels/sec
GeForce GT 315 5000 Mpixels/sec
Difference: 18136 (363%)

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 GT 315

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 GT 315 Radeon R9 M395X
Manufacturer nVidia AMD
Year November 2009 2015
Code Name GT216 Tonga
Memory 512 MB 4096 MB
Core Speed 625 MHz 723 MHz
Memory Speed 1580 MHz 5000 MHz
Power (Max TDP) 52 watts 125 watts
Bandwidth 25280 MB/sec 160000 MB/sec
Texel Rate 10000 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 48 2048
Texture Mapping Units 16 128
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 486 million (Unknown) million
Bus PCIe 2.0 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be moved past the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in a 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 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 potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GT 315

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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