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Geforce GTX 670 vs Radeon HD 7750

Intro

The Geforce GTX 670 has core speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 RAM. It features 1344 SPUs along with 112 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon HD 7750, which uses a 28 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 memory works at a frequency of 1125 MHz on this card. It features 512 SPUs along with 32 TAUs and 16 Rasterization Operator 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 670 7351 points
Radeon HD 7750 2240 points
Difference: 5111 (228%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Geforce GTX 670 170 Watts
Difference: 115 Watts (209%)

Memory Bandwidth

Theoretically, the Geforce GTX 670 should perform a lot faster than the Radeon HD 7750 overall. (explain)

Geforce GTX 670 192000 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 120000 (167%)

Texel Rate

The Geforce GTX 670 is much (about 300%) more effective at AF than the Radeon HD 7750. (explain)

Geforce GTX 670 102480 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 76880 (300%)

Pixel Rate

The Geforce GTX 670 should be much (about 129%) better at AA than the Radeon HD 7750, and should be able to handle higher screen resolutions better. (explain)

Geforce GTX 670 29280 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 16480 (129%)

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 670

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 670 Radeon HD 7750
Manufacturer nVidia AMD
Year May 2012 February 2012
Code Name GK104 Cape Verde Pro
Memory 2048 MB 1024 MB
Core Speed 915 MHz 800 MHz
Memory Speed 6000 MHz 4500 MHz
Power (Max TDP) 170 watts 55 watts
Bandwidth 192000 MB/sec 72000 MB/sec
Texel Rate 102480 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 1344 512
Texture Mapping Units 112 32
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 1500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.1
OpenGL Version OpenGL 4.2 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Geforce GTX 670

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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