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GeForce GTX 970 vs GeForce GTX 980


Intro

The GeForce GTX 970 features a GPU core speed of 1050 MHz, and the 4096 MB of GDDR5 RAM is set to run at 1750 MHz through a 256-bit bus. It also is comprised of 1664 SPUs, 104 Texture Address Units, and 64 ROPs.

Compare that to the GeForce GTX 980, which makes use of a 28 nm design. nVidia has clocked the core speed at 1126 MHz. The GDDR5 RAM works at a speed of 1750 MHz on this card. It features 2048 SPUs along with 128 TAUs and 64 Rasterization Operator Units.

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 980 13547 points
GeForce GTX 970 10869 points
Difference: 2678 (25%)

Zcash Mining Hash Rate

GeForce GTX 980 408 Sol/s
GeForce GTX 970 262 Sol/s
Difference: 146 (56%)

Ethereum Mining Hash Rate

GeForce GTX 980 20 Mh/s
GeForce GTX 970 19 Mh/s
Difference: 1 (5%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970 145 Watts
GeForce GTX 980 165 Watts
Difference: 20 Watts (14%)

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should perform exactly the same. (explain)

Texel Rate

The GeForce GTX 980 will be quite a bit (more or less 32%) better at AF than the GeForce GTX 970. (explain)

GeForce GTX 980 144128 Mtexels/sec
GeForce GTX 970 109200 Mtexels/sec
Difference: 34928 (32%)

Pixel Rate

The GeForce GTX 980 should be just a bit (about 7%) better at anti-aliasing than the GeForce GTX 970, and will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 980 72064 Mpixels/sec
GeForce GTX 970 67200 Mpixels/sec
Difference: 4864 (7%)

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 970

GeForce GTX 980

Specifications

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Model GeForce GTX 970 GeForce GTX 980
Manufacturer nVidia nVidia
Year September 2014 September 2014
Code Name GM204-200 GM204-400
Memory 4096 MB 4096 MB
Core Speed 1050 MHz 1126 MHz
Memory Speed 7000 MHz 7000 MHz
Power (Max TDP) 145 watts 165 watts
Bandwidth 224000 MB/sec 224000 MB/sec
Texel Rate 109200 Mtexels/sec 144128 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 72064 Mpixels/sec
Unified Shaders 1664 2048
Texture Mapping Units 104 128
Render Output Units 64 64
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 5200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported across the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 number 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 speed of the chip. The better this number, 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 maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs 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 quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

GeForce GTX 970

GeForce GTX 980

Comments

5 Responses to “GeForce GTX 970 vs GeForce GTX 980”
ROFLBOY says:

980 shit value oc 970 cheap

KHAWAR ZAMAN says:

very good. but i love gigabyte 760 and gigabyte R9-280x

But it is less 384bit. 384bit graphics cards can run game smootly

Hisham Ramzan says:

Huge price difference for a small performance difference,
I say GTX 970 is the best choice

Justin Miller says:

It's not that the GTX 980 is over priced it's that the gtx 970 represents the better value and is under priced here. They really have a gem with the 970 for price to performance.

Ivan says:

Agree, 970 is the best for it's price. 960 and 950 have small memory bandwidth, so i don't pay attention for them.

Also Ge Force 9** are the last nVidia 's cards with Windows Xp drivers (using edited *.inf).

Speculators sell 980 for horse-sized price, and 970 (unpacked, new) is very hard to find at shops.

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