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GeForce GTX 965M vs Radeon HD 7870 XT

Intro

The GeForce GTX 965M makes use of a 28 nm design. nVidia has set the core speed at 944 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this card. It features 1024 SPUs as well as 64 TAUs and 32 ROPs.

Compare all that to the Radeon HD 7870 XT, which has GPU clock speed of 925 MHz, and 2048 MB of GDDR5 memory running at 1500 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 96 Texture Address Units, and 32 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

Radeon HD 7870 XT 6390 points
GeForce GTX 965M 5650 points
Difference: 740 (13%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
Radeon HD 7870 XT 185 Watts
Difference: 125 Watts (208%)

Memory Bandwidth

The Radeon HD 7870 XT, in theory, should be much faster than the GeForce GTX 965M overall. (explain)

Radeon HD 7870 XT 192000 MB/sec
GeForce GTX 965M 64000 MB/sec
Difference: 128000 (200%)

Texel Rate

The Radeon HD 7870 XT will be much (more or less 47%) faster with regards to anisotropic filtering than the GeForce GTX 965M. (explain)

Radeon HD 7870 XT 88800 Mtexels/sec
GeForce GTX 965M 60416 Mtexels/sec
Difference: 28384 (47%)

Pixel Rate

The GeForce GTX 965M is just a bit (approximately 2%) faster with regards to full screen anti-aliasing than the Radeon HD 7870 XT, and also capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 7870 XT 29600 Mpixels/sec
Difference: 608 (2%)

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 965M

Amazon.com

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Radeon HD 7870 XT

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 965M Radeon HD 7870 XT
Manufacturer nVidia AMD
Year January 5 2015 November 2012
Code Name GM204 Tahiti LE
Memory 2048 MB 2048 MB
Core Speed 944 MHz 925 MHz
Memory Speed 4000 MHz 6000 MHz
Power (Max TDP) 60 watts 185 watts
Bandwidth 64000 MB/sec 192000 MB/sec
Texel Rate 60416 Mtexels/sec 88800 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 1024 1536
Texture Mapping Units 64 96
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.1
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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 - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 965M

Amazon.com

Check prices at:

Radeon HD 7870 XT

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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