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GeForce GTX 860M vs Radeon HD 5770

Intro

The GeForce GTX 860M comes with a GPU core clock speed of 797 MHz, and the 4096 MB of GDDR5 RAM runs at 1000 MHz through a 128-bit bus. It also is comprised of 1152 SPUs, 96 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 5770, which makes use of a 40 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 RAM works at a speed of 1200 MHz on this specific model. It features 800(160x5) SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
Radeon HD 5770 108 Watts
Difference: 63 Watts (140%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5770 should theoretically be a small bit better than the GeForce GTX 860M overall. (explain)

Radeon HD 5770 76800 MB/sec
GeForce GTX 860M 64000 MB/sec
Difference: 12800 (20%)

Texel Rate

The GeForce GTX 860M should be much (about 125%) faster with regards to AF than the Radeon HD 5770. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 42512 (125%)

Pixel Rate

The Radeon HD 5770 should be a small bit (approximately 7%) faster with regards to AA than the GeForce GTX 860M, and also should be able to handle higher screen resolutions better. (explain)

Radeon HD 5770 13600 Mpixels/sec
GeForce GTX 860M 12752 Mpixels/sec
Difference: 848 (7%)

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

Check prices at:

Radeon HD 5770

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 860M Radeon HD 5770
Manufacturer nVidia AMD
Year March 12 2014 October 13, 2009
Code Name GM107 Juniper XT
Memory 4096 MB 1024 MB
Core Speed 797 MHz 850 MHz
Memory Speed 4000 MHz 4800 MHz
Power (Max TDP) 45 watts 108 watts
Bandwidth 64000 MB/sec 76800 MB/sec
Texel Rate 76512 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 1152 800(160x5)
Texture Mapping Units 96 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 1040 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must 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 AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the 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 drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 5770

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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