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Geforce GTX 670 vs Radeon HD 7750

Intro

The Geforce GTX 670 features core speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 memory. It features 1344 SPUs as well as 112 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 7750, which features a core clock speed of 800 MHz and a GDDR5 memory speed of 1125 MHz. It also features a 128-bit memory bus, and uses a 28 nm design. It is made up of 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 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 be 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 will be much (more or less 300%) more effective at texture filtering than the Radeon HD 7750. (explain)

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

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 670 is a better choice, by far. (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 max amount of information (in units of MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it should 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 can be applied per second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - 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 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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