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GeForce GTX 980 vs Radeon HD 7750

Intro

The GeForce GTX 980 has a GPU clock speed of 1126 MHz, and the 4096 MB of GDDR5 memory runs at 1750 MHz through a 256-bit bus. It also is comprised of 2048 SPUs, 128 Texture Address Units, and 64 ROPs.

Compare those specifications to the Radeon HD 7750, which features a clock speed of 800 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It features 512 SPUs, 32 TAUs, and 16 Raster Operation Units.

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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
Radeon HD 7750 2240 points
Difference: 11312 (505%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTX 980 165 Watts
Difference: 110 Watts (200%)

Memory Bandwidth

Theoretically, the GeForce GTX 980 should perform a lot faster than the Radeon HD 7750 overall. (explain)

GeForce GTX 980 224000 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 152000 (211%)

Texel Rate

The GeForce GTX 980 will be quite a bit (more or less 463%) more effective at texture filtering than the Radeon HD 7750. (explain)

GeForce GTX 980 144128 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 118528 (463%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 980 is superior to the Radeon HD 7750, by far. (explain)

GeForce GTX 980 72064 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 59264 (463%)

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

Check prices at:

Radeon HD 7750

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.

Specifications

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Model GeForce GTX 980 Radeon HD 7750
Manufacturer nVidia AMD
Year September 2014 February 2012
Code Name GM204-400 Cape Verde Pro
Memory 4096 MB 1024 MB
Core Speed 1126 MHz 800 MHz
Memory Speed 7000 MHz 4500 MHz
Power (Max TDP) 165 watts 55 watts
Bandwidth 224000 MB/sec 72000 MB/sec
Texel Rate 144128 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 2048 512
Texture Mapping Units 128 32
Render Output Units 64 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 1500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transported past the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory 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:

Radeon HD 7750

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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