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GeForce GTX 850M vs Radeon R7 240

Intro

The GeForce GTX 850M has core speeds of 876 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon R7 240, which uses a 28 nm design. AMD has set the core frequency at 730 MHz. The DDR3 RAM is set to run at a frequency of 900 MHz on this particular card. It features 320 SPUs as well as 20 TAUs and 8 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 850M 3340 points
Radeon R7 240 1218 points
Difference: 2122 (174%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240 30 Watts
GeForce GTX 850M 40 Watts
Difference: 10 Watts (33%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 850M should be 11% faster than the Radeon R7 240 in general, due to its higher data rate. (explain)

GeForce GTX 850M 32000 MB/sec
Radeon R7 240 28800 MB/sec
Difference: 3200 (11%)

Texel Rate

The GeForce GTX 850M is a lot (about 140%) better at texture filtering than the Radeon R7 240. (explain)

GeForce GTX 850M 35040 Mtexels/sec
Radeon R7 240 14600 Mtexels/sec
Difference: 20440 (140%)

Pixel Rate

The GeForce GTX 850M is a lot (about 140%) more effective at anti-aliasing than the Radeon R7 240, and also should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 850M 14016 Mpixels/sec
Radeon R7 240 5840 Mpixels/sec
Difference: 8176 (140%)

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 R7 240

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 R7 240
Manufacturer nVidia AMD
Year March 12 2014 October 2013
Code Name GM107 Oland PRO
Memory 2048 MB 2048 MB
Core Speed 876 MHz 730 MHz
Memory Speed 2000 MHz 1800 MHz
Power (Max TDP) 40 watts 30 watts
Bandwidth 32000 MB/sec 28800 MB/sec
Texel Rate 35040 Mtexels/sec 14600 Mtexels/sec
Pixel Rate 14016 Mpixels/sec 5840 Mpixels/sec
Unified Shaders 640 320
Texture Mapping Units 40 20
Render Output Units 16 8
Bus Type DDR3 DDR3
Bus Width 128-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 largest amount of data (measured in MB per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate 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 filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 850M

Amazon.com

Check prices at:

Radeon R7 240

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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