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Geforce GTX 770 vs Radeon HD 7750

Intro

The Geforce GTX 770 uses a 28 nm design. nVidia has clocked the core frequency at 1046 MHz. The GDDR5 memory works at a speed of 1753 MHz on this card. It features 1536 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 7750, which has GPU clock speed of 800 MHz, and 1024 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also is made up of 512 Stream Processors, 32 Texture Address Units, and 16 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 770 7854 points
Radeon HD 7750 2240 points
Difference: 5614 (251%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
Geforce GTX 770 230 Watts
Difference: 175 Watts (318%)

Memory Bandwidth

The Geforce GTX 770, in theory, should be quite a bit faster than the Radeon HD 7750 in general. (explain)

Geforce GTX 770 224384 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 152384 (212%)

Texel Rate

The Geforce GTX 770 should be quite a bit (approximately 423%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

Geforce GTX 770 133888 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 108288 (423%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Geforce GTX 770 is superior to the Radeon HD 7750, by a large margin. (explain)

Geforce GTX 770 33472 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 20672 (162%)

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 770

Amazon.com

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Radeon HD 7750

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 770 Radeon HD 7750
Manufacturer nVidia AMD
Year May 2013 February 2012
Code Name GK104 Cape Verde Pro
Memory 2048 MB 1024 MB
Core Speed 1046 MHz 800 MHz
Memory Speed 7012 MHz 4500 MHz
Power (Max TDP) 230 watts 55 watts
Bandwidth 224384 MB/sec 72000 MB/sec
Texel Rate 133888 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 1536 512
Texture Mapping Units 128 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 4.3 OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out 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 drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Geforce GTX 770

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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