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GeForce GTX 850M vs Radeon R5 M330

Intro

The GeForce GTX 850M features core clock speeds of 876 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Compare that to the Radeon R5 M330, which comes with a core clock frequency of 1030 MHz and a DDR3 memory frequency of 900 MHz. It also makes use of a 64-bit bus, and makes use of a 28 nm design. It is made up of 320 SPUs, 20 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 850M should perform a lot faster than the Radeon R5 M330 in general. (explain)

GeForce GTX 850M 32000 MB/sec
Radeon R5 M330 14400 MB/sec
Difference: 17600 (122%)

Texel Rate

The GeForce GTX 850M should be quite a bit (more or less 70%) faster with regards to AF than the Radeon R5 M330. (explain)

GeForce GTX 850M 35040 Mtexels/sec
Radeon R5 M330 20600 Mtexels/sec
Difference: 14440 (70%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 850M is a better choice, and very much so. (explain)

GeForce GTX 850M 14016 Mpixels/sec
Radeon R5 M330 8240 Mpixels/sec
Difference: 5776 (70%)

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 850M

Amazon.com

Check prices at:

Radeon R5 M330

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 850M Radeon R5 M330
Manufacturer nVidia AMD
Year March 12 2014 2015
Code Name GM107 Oland
Memory 2048 MB 2048 MB
Core Speed 876 MHz 1030 MHz
Memory Speed 2000 MHz 1800 MHz
Power (Max TDP) 40 watts (Unknown) watts
Bandwidth 32000 MB/sec 14400 MB/sec
Texel Rate 35040 Mtexels/sec 20600 Mtexels/sec
Pixel Rate 14016 Mpixels/sec 8240 Mpixels/sec
Unified Shaders 640 320
Texture Mapping Units 40 20
Render Output Units 16 8
Bus Type DDR3 DDR3
Bus Width 128-bit 64-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it should 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 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 better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines 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 rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 850M

Amazon.com

Check prices at:

Radeon R5 M330

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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