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GeForce GTX 980 vs Geforce GTX 670

Intro

The GeForce GTX 980 features a clock frequency of 1126 MHz and a GDDR5 memory speed of 1750 MHz. It also features a 256-bit bus, and makes use of a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 64 ROPs.

Compare all that to the Geforce GTX 670, which features GPU clock speed of 915 MHz, and 2048 MB of GDDR5 RAM set to run at 1500 MHz through a 256-bit bus. It also is made up of 1344 Stream Processors, 112 Texture Address Units, and 32 ROPs.

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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 980 13552 points
Geforce GTX 670 7351 points
Difference: 6201 (84%)

Ethereum Mining Hash Rate

GeForce GTX 980 20 Mh/s
Geforce GTX 670 13 Mh/s
Difference: 7 (54%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980 165 Watts
Geforce GTX 670 170 Watts
Difference: 5 Watts (3%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 980 should be 17% quicker than the Geforce GTX 670 in general, due to its higher data rate. (explain)

GeForce GTX 980 224000 MB/sec
Geforce GTX 670 192000 MB/sec
Difference: 32000 (17%)

Texel Rate

The GeForce GTX 980 is a lot (more or less 41%) faster with regards to AF than the Geforce GTX 670. (explain)

GeForce GTX 980 144128 Mtexels/sec
Geforce GTX 670 102480 Mtexels/sec
Difference: 41648 (41%)

Pixel Rate

The GeForce GTX 980 will be quite a bit (approximately 146%) more effective at anti-aliasing than the Geforce GTX 670, and also capable of handling higher resolutions better. (explain)

GeForce GTX 980 72064 Mpixels/sec
Geforce GTX 670 29280 Mpixels/sec
Difference: 42784 (146%)

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 980

Amazon.com

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Geforce GTX 670

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 GTX 980 Geforce GTX 670
Manufacturer nVidia nVidia
Year September 2014 May 2012
Code Name GM204-400 GK104
Memory 4096 MB 2048 MB
Core Speed 1126 MHz 915 MHz
Memory Speed 7000 MHz 6000 MHz
Power (Max TDP) 165 watts 170 watts
Bandwidth 224000 MB/sec 192000 MB/sec
Texel Rate 144128 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 2048 1344
Texture Mapping Units 128 112
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 3540 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.0
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount 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 maximum number of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. 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 output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 980

Amazon.com

Check prices at:

Geforce GTX 670

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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