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GeForce GTX 850M vs Radeon R7 M265

Intro

The GeForce GTX 850M makes use of 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 card. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Compare those specs to the Radeon R7 M265, which comes with core clock speeds of 725 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs along with 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 850M 3340 points
Radeon R7 M265 3256 points
Difference: 84 (3%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have the exact same bandwidth, so in theory they should have the same performance. (explain)

Texel Rate

The GeForce GTX 850M is much (approximately 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

The GeForce GTX 850M is a lot (approximately 142%) faster with regards to full screen anti-aliasing than the Radeon R7 M265, and also will be able to handle higher screen resolutions better. (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

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.

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: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum 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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