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GeForce GTX 860M vs Radeon HD 7750

Intro

The GeForce GTX 860M makes use of a 28 nm design. nVidia has set the core frequency at 797 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this model. It features 1152 SPUs as well as 96 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 7750, which features a core clock frequency of 800 MHz and a GDDR5 memory speed of 1125 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 512 SPUs, 32 Texture Address Units, 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 860M 4340 points
Radeon HD 7750 2240 points
Difference: 2100 (94%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
Radeon HD 7750 55 Watts
Difference: 10 Watts (22%)

Memory Bandwidth

As far as performance goes, the Radeon HD 7750 should in theory be just a bit better than the GeForce GTX 860M overall. (explain)

Radeon HD 7750 72000 MB/sec
GeForce GTX 860M 64000 MB/sec
Difference: 8000 (13%)

Texel Rate

The GeForce GTX 860M should be quite a bit (approximately 199%) more effective at anisotropic filtering than the Radeon HD 7750. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 50912 (199%)

Pixel Rate

The Radeon HD 7750 will be a small bit (approximately 0%) faster with regards to anti-aliasing than the GeForce GTX 860M, and will be able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 7750 12800 Mpixels/sec
GeForce GTX 860M 12752 Mpixels/sec
Difference: 48 (0%)

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 860M

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 860M Radeon HD 7750
Manufacturer nVidia AMD
Year March 12 2014 February 2012
Code Name GM107 Cape Verde Pro
Memory 4096 MB 1024 MB
Core Speed 797 MHz 800 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 45 watts 55 watts
Bandwidth 64000 MB/sec 72000 MB/sec
Texel Rate 76512 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 1152 512
Texture Mapping Units 96 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 1500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). 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 max fill rate.

Display Prices

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GeForce GTX 860M

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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