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GeForce GTX 1080 vs GeForce GTX 950


Intro

The GeForce GTX 1080 has core clock speeds of 1607 MHz on the GPU, and 1251 MHz on the 8192 MB of GDDR5X memory. It features 2560 SPUs along with 160 TAUs and 64 ROPs.

Compare those specs to the GeForce GTX 950, which has a GPU core clock speed of 1024 MHz, and 2048 MB of GDDR5 memory set to run at 1652 MHz through a 128-bit bus. It also is made up of 768 SPUs, 48 Texture Address Units, and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 1080 22050 points
GeForce GTX 950 6560 points
Difference: 15490 (236%)

Zcash Mining Hash Rate

GeForce GTX 1080 553 Sol/s
GeForce GTX 950 155 Sol/s
Difference: 398 (257%)

Ethereum Mining Hash Rate

GeForce GTX 1080 20 Mh/s
GeForce GTX 950 10 Mh/s
Difference: 10 (100%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950 90 Watts
GeForce GTX 1080 180 Watts
Difference: 90 Watts (100%)

Memory Bandwidth

The GeForce GTX 1080, in theory, should be a lot faster than the GeForce GTX 950 in general. (explain)

GeForce GTX 1080 327680 MB/sec
GeForce GTX 950 105728 MB/sec
Difference: 221952 (210%)

Texel Rate

The GeForce GTX 1080 will be a lot (about 423%) faster with regards to AF than the GeForce GTX 950. (explain)

GeForce GTX 1080 257120 Mtexels/sec
GeForce GTX 950 49152 Mtexels/sec
Difference: 207968 (423%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 1080 is a better choice, and very much so. (explain)

GeForce GTX 1080 102848 Mpixels/sec
GeForce GTX 950 32768 Mpixels/sec
Difference: 70080 (214%)

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

GeForce GTX 1080

GeForce GTX 950

Specifications

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Model GeForce GTX 1080 GeForce GTX 950
Manufacturer nVidia nVidia
Year May 2016 August 2015
Code Name GP104-400 GM206
Memory 8192 MB 2048 MB
Core Speed 1607 MHz 1024 MHz
Memory Speed 10008 MHz 6608 MHz
Power (Max TDP) 180 watts 90 watts
Bandwidth 327680 MB/sec 105728 MB/sec
Texel Rate 257120 Mtexels/sec 49152 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 32768 Mpixels/sec
Unified Shaders 2560 768
Texture Mapping Units 160 48
Render Output Units 64 32
Bus Type GDDR5X GDDR5
Bus Width 256-bit 128-bit
Fab Process 16 nm 28 nm
Transistors 7200 million 2940 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core clock 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

GeForce GTX 1080

GeForce GTX 950

Comments

One Response to “GeForce GTX 1080 vs GeForce GTX 950”
kyaw moe khine says:

Dear sir,
Could you please advise me that GeForce GTX 1080 graphic card is more appropriate or not for Pix4D software.

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