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GeForce GTX 880M vs Radeon R7 250

Intro

The GeForce GTX 880M features a core clock speed of 954 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit bus, and makes use of a 28 nm design. It is made up of 1536 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon R7 250, which comes with a clock frequency of 1000 MHz and a GDDR5 memory speed of 1150 MHz. It also uses a 128-bit bus, and makes use of a 28 nm design. It features 384 SPUs, 24 Texture Address Units, and 8 ROPs.

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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 R7 250 1836 points
Difference: 4524 (246%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
GeForce GTX 880M 130 Watts
Difference: 65 Watts (100%)

Memory Bandwidth

Theoretically, the GeForce GTX 880M should perform quite a bit faster than the Radeon R7 250 overall. (explain)

GeForce GTX 880M 128000 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 54400 (74%)

Texel Rate

The GeForce GTX 880M is quite a bit (approximately 409%) more effective at AF than the Radeon R7 250. (explain)

GeForce GTX 880M 122112 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 98112 (409%)

Pixel Rate

The GeForce GTX 880M will be quite a bit (approximately 282%) more effective at full screen anti-aliasing than the Radeon R7 250, and also should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 880M 30528 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 22528 (282%)

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

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Radeon R7 250

Amazon.com

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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 R7 250
Manufacturer nVidia AMD
Year March 12 2014 October 2013
Code Name GK104 Oland XT
Memory 4096 MB 1024 MB
Core Speed 954 MHz 1000 MHz
Memory Speed 4000 MHz 4600 MHz
Power (Max TDP) 130 watts 65 watts
Bandwidth 128000 MB/sec 73600 MB/sec
Texel Rate 122112 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 1536 384
Texture Mapping Units 128 24
Render Output Units 32 8
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 1040 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. The number is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 per second. This figure 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 graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably 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 R7 250

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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