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GeForce GTX 860M vs Radeon HD 5770

Intro

The GeForce GTX 860M uses a 28 nm design. nVidia has set the core speed at 797 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this particular card. It features 1152 SPUs along with 96 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 5770, which features core clock speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 memory. It features 800(160x5) SPUs along with 40 Texture Address Units 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

The Radeon HD 5770, in theory, should perform a small bit faster 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 will be a lot (about 125%) more effective at anisotropic filtering than the Radeon HD 5770. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 5770 is superior to the GeForce GTX 860M, but only just. (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 max amount of information (counted in MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at 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 can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to 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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