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GeForce RTX 3070 vs GeForce RTX 3080

Intro

The GeForce RTX 3070 has clock speeds of 1500 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 RAM. It features 5888 SPUs along with 184 Texture Address Units and 96 Rasterization Operator Units.

Compare those specifications to the GeForce RTX 3080, which features GPU clock speed of 1440 MHz, and 10240 MB of GDDR6X memory set to run at 1188 MHz through a 320-bit bus. It also is made up of 8704 Stream Processors, 272 TAUs, 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

In theory, the GeForce RTX 3080 is -100% quicker than the GeForce RTX 3070 overall, due to its greater bandwidth. (explain)

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

Texel Rate

The GeForce RTX 3080 should be a lot (approximately 42%) faster with regards to AF than the GeForce RTX 3070. (explain)

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

Pixel Rate

If running with high levels of AA is important to you, then the GeForce RTX 3070 is superior to the GeForce RTX 3080, but not by far. (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

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GeForce RTX 3080

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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 max amount of data (measured in megabytes per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units of the card 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 processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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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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