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GeForce RTX 3070 vs GeForce RTX 3080

Intro

The GeForce RTX 3070 uses a 8 nm design. nVidia has set the core frequency at 1500 MHz. The GDDR6 RAM is set to run at a frequency of 1750 MHz on this particular model. It features 5888 SPUs along with 184 TAUs and 96 Rasterization Operator Units.

Compare all of that to the GeForce RTX 3080, which features a clock frequency of 1440 MHz and a GDDR6X memory frequency of 1188 MHz. It also uses a 320-bit bus, and uses a 8 nm design. It is comprised of 8704 SPUs, 272 Texture Address Units, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 3070 220 Watts
GeForce RTX 3080 320 Watts
Difference: 100 Watts (45%)

Memory Bandwidth

The GeForce RTX 3080 should in theory perform just a bit faster than the GeForce RTX 3070 in general. (explain)

GeForce RTX 3080 778547 MB/sec
GeForce RTX 3070 (Unknown) MB/sec
Difference: 778547 (-100%)

Texel Rate

The GeForce RTX 3080 will be much (about 42%) faster with regards to anisotropic filtering than the GeForce RTX 3070. (explain)

GeForce RTX 3080 391680 Mtexels/sec
GeForce RTX 3070 276000 Mtexels/sec
Difference: 115680 (42%)

Pixel Rate

The GeForce RTX 3070 should be a small bit (about 4%) more effective at anti-aliasing than the GeForce RTX 3080, and also should be capable of handling higher screen resolutions more effectively. (explain)

GeForce RTX 3070 144000 Mpixels/sec
GeForce RTX 3080 138240 Mpixels/sec
Difference: 5760 (4%)

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 RTX 3070

Amazon.com

Check prices at:

GeForce RTX 3080

Amazon.com

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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 RTX 3070 GeForce RTX 3080
Manufacturer nVidia nVidia
Year October 2020 September 2020
Code Name Ampere GA104-300-A1 Ampere GA102-200-KD-A1
Memory 8192 MB 10240 MB
Core Speed 1500 MHz 1440 MHz
Memory Speed 1750 GB/s 1188 GB/s
Power (Max TDP) 220 watts 320 watts
Bandwidth (Unknown) MB/sec 778547 MB/sec
Texel Rate 276000 Mtexels/sec 391680 Mtexels/sec
Pixel Rate 144000 Mpixels/sec 138240 Mpixels/sec
Unified Shaders 5888 8704
Texture Mapping Units 184 272
Render Output Units 96 96
Bus Type GDDR6 GDDR6X
Bus Width 256-bit 320-bit
Fab Process 8 nm 8 nm
Transistors 17400 million 28300 million
Bus PCIe 4.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total number of texture units of the card by the core clock 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 a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce RTX 3070

Amazon.com

Check prices at:

GeForce RTX 3080

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.

Comments

One Response to “GeForce RTX 3070 vs GeForce RTX 3080”
anon says:

Greetings, it seems like some information about the RTX3070 are missing, please update them! Thanks for the website

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