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GeForce GTX 970M vs Radeon HD 5770

Intro

The GeForce GTX 970M features a clock frequency of 924 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 192-bit bus, and uses a 28 nm design. It is comprised of 1280 SPUs, 80 TAUs, and 48 ROPs.

Compare that to the Radeon HD 5770, which features core speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 RAM. It features 800(160x5) SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

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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

The GeForce GTX 970M, in theory, should be a lot faster than 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 is much (more or less 117%) faster with regards to 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

If running with high levels of AA is important to you, then the GeForce GTX 970M is a better choice, by a large margin. (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: Memory bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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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.

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