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GeForce GTX 970M vs Radeon HD 5770

Intro

The GeForce GTX 970M comes with a GPU core speed of 924 MHz, and the 3072 MB of GDDR5 memory is set to run at 1000 MHz through a 192-bit bus. It also features 1280 Stream Processors, 80 TAUs, and 48 ROPs.

Compare those specifications to the Radeon HD 5770, which has clock speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 memory. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970M 75 Watts
Radeon HD 5770 108 Watts
Difference: 33 Watts (44%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 970M should in theory be a lot superior to the Radeon HD 5770 in general. (explain)

GeForce GTX 970M 96000 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 19200 (25%)

Texel Rate

The GeForce GTX 970M will be quite a bit (approximately 117%) more effective at anisotropic filtering than the Radeon HD 5770. (explain)

GeForce GTX 970M 73920 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 39920 (117%)

Pixel Rate

The GeForce GTX 970M should be quite a bit (more or less 226%) more effective at full screen anti-aliasing than the Radeon HD 5770, and also will be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 970M 44352 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 30752 (226%)

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 970M

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 970M Radeon HD 5770
Manufacturer nVidia AMD
Year October 7 2014 October 13, 2009
Code Name GM204 Juniper XT
Memory 3072 MB 1024 MB
Core Speed 924 MHz 850 MHz
Memory Speed 4000 MHz 4800 MHz
Power (Max TDP) 75 watts 108 watts
Bandwidth 96000 MB/sec 76800 MB/sec
Texel Rate 73920 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 44352 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 1280 800(160x5)
Texture Mapping Units 80 40
Render Output Units 48 16
Bus Type GDDR5 GDDR5
Bus Width 192-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 data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. 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, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 970M

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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