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GeForce GTX 860M vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce GTX 860M comes with clock speeds of 797 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1152 SPUs as well as 96 TAUs and 16 ROPs.

Compare those specifications to the Radeon HD 6450 (OEM) 1GB, which makes use of a 40 nm design. AMD has clocked the core speed at 750 MHz. The GDDR5 memory works at a frequency of 900 MHz on this model. It features 160 SPUs along with 8 TAUs and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce GTX 860M 45 Watts
Difference: 14 Watts (45%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 860M should theoretically be much better than the Radeon HD 6450 (OEM) 1GB in general. (explain)

GeForce GTX 860M 64000 MB/sec
Radeon HD 6450 (OEM) 1GB 28800 MB/sec
Difference: 35200 (122%)

Texel Rate

The GeForce GTX 860M is much (more or less 1175%) more effective at anisotropic filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 70512 (1175%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 860M is superior to the Radeon HD 6450 (OEM) 1GB, and very much so. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 9752 (325%)

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 860M

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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 860M Radeon HD 6450 (OEM) 1GB
Manufacturer nVidia AMD
Year March 12 2014 February 2011
Code Name GM107 Caicos
Memory 4096 MB 1024 MB
Core Speed 797 MHz 750 MHz
Memory Speed 4000 MHz 3600 MHz
Power (Max TDP) 45 watts 31 watts
Bandwidth 64000 MB/sec 28800 MB/sec
Texel Rate 76512 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 1152 160
Texture Mapping Units 96 8
Render Output Units 16 4
Bus Type GDDR5 GDDR5
Bus Width 128-bit 64-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 370 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes 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 ANOTHER 2x. The better the card's 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 can be applied in one second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. 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 860M

Amazon.com

Check prices at:

Radeon HD 6450 (OEM) 1GB

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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