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GeForce GTX 850M vs Radeon R7 240

Intro

The GeForce GTX 850M uses a 28 nm design. nVidia has clocked the core frequency at 876 MHz. The DDR3 memory runs at a frequency of 1000 MHz on this model. It features 640 SPUs along with 40 Texture Address Units and 16 ROPs.

Compare those specs to the Radeon R7 240, which has core clock speeds of 730 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 RAM. It features 320 SPUs along with 20 TAUs 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 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 is 11% quicker than the Radeon R7 240 overall, 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 much (about 140%) faster with regards to 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

If using a high resolution is important to you, then the GeForce GTX 850M is superior to the Radeon R7 240, by a large margin. (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

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Radeon R7 240

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 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 information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the video 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 could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max 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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