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GeForce GTX 850M vs Radeon R7 M265

Intro

The GeForce GTX 850M uses a 28 nm design. nVidia has set the core frequency at 876 MHz. The DDR3 RAM runs at a speed of 1000 MHz on this particular model. It features 640 SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Compare all of that to the Radeon R7 M265, which uses a 28 nm design. AMD has clocked the core frequency at 725 MHz. The DDR3 memory runs at a speed of 1000 MHz on this card. It features 384 SPUs as well as 24 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 M265 3256 points
Difference: 84 (3%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so theoretically they should have the same performance. (explain)

Texel Rate

The GeForce GTX 850M is a lot (more or less 101%) faster with regards to AF than the Radeon R7 M265. (explain)

GeForce GTX 850M 35040 Mtexels/sec
Radeon R7 M265 17400 Mtexels/sec
Difference: 17640 (101%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 850M is the winner, by a large margin. (explain)

GeForce GTX 850M 14016 Mpixels/sec
Radeon R7 M265 5800 Mpixels/sec
Difference: 8216 (142%)

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 M265

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 M265
Manufacturer nVidia AMD
Year March 12 2014 May 1 2014
Code Name GM107 Opal XT
Memory 2048 MB 2048 MB
Core Speed 876 MHz 725 MHz
Memory Speed 2000 MHz 2000 MHz
Power (Max TDP) 40 watts (Unknown) watts
Bandwidth 32000 MB/sec 32000 MB/sec
Texel Rate 35040 Mtexels/sec 17400 Mtexels/sec
Pixel Rate 14016 Mpixels/sec 5800 Mpixels/sec
Unified Shaders 640 384
Texture Mapping Units 40 24
Render Output Units 16 8
Bus Type DDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x8
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in MB per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 again. If it uses 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 high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the video 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 most pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core 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 rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 850M

Amazon.com

Check prices at:

Radeon R7 M265

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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