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GeForce GTX 880M vs Radeon HD 7850

Intro

The GeForce GTX 880M features a GPU clock speed of 954 MHz, and the 4096 MB of GDDR5 memory is set to run at 1000 MHz through a 256-bit bus. It also is made up of 1536 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare all that to the Radeon HD 7850, which comes with clock speeds of 860 MHz on the GPU, and 1200 MHz on the 2048 MB of GDDR5 RAM. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 880M 6360 points
Radeon HD 7850 5200 points
Difference: 1160 (22%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Radeon HD 7850 should theoretically perform a small bit faster than the GeForce GTX 880M overall. (explain)

Radeon HD 7850 153600 MB/sec
GeForce GTX 880M 128000 MB/sec
Difference: 25600 (20%)

Texel Rate

The GeForce GTX 880M will be quite a bit (more or less 122%) faster with regards to AF than the Radeon HD 7850. (explain)

GeForce GTX 880M 122112 Mtexels/sec
Radeon HD 7850 55040 Mtexels/sec
Difference: 67072 (122%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 880M is a better choice, but not by far. (explain)

GeForce GTX 880M 30528 Mpixels/sec
Radeon HD 7850 27520 Mpixels/sec
Difference: 3008 (11%)

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 880M

Amazon.com

Check prices at:

Radeon HD 7850

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 880M Radeon HD 7850
Manufacturer nVidia AMD
Year March 12 2014 March 2012
Code Name GK104 Pitcairn Pro
Memory 4096 MB 2048 MB
Core Speed 954 MHz 860 MHz
Memory Speed 4000 MHz 4800 MHz
Power (Max TDP) 130 watts 130 watts
Bandwidth 128000 MB/sec 153600 MB/sec
Texel Rate 122112 Mtexels/sec 55040 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 27520 Mpixels/sec
Unified Shaders 1536 1024
Texture Mapping Units 128 64
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 2800 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total texture units 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 7850

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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