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GeForce GTX 970M vs Radeon HD 5770

Intro

The GeForce GTX 970M has 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 SPUs, 80 Texture Address Units, and 48 Raster Operation Units.

Compare all of that to the Radeon HD 5770, which has a core clock speed of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also features a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 800(160x5) SPUs, 40 TAUs, and 16 ROPs.

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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

In theory, the GeForce GTX 970M will be 25% quicker than the Radeon HD 5770 in general, due to its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 970M will be a lot (about 117%) more effective at texture filtering than the Radeon HD 5770. (explain)

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

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 970M is a better choice, by far. (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 (counted in MB per second) that can be transported 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 it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 applied per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in a 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 sometimes 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 of the card - the lower the bandwidth is, the lower the potential to get to 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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