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GeForce GTX 860M vs Radeon HD 5450

Intro

The GeForce GTX 860M uses a 28 nm design. nVidia has clocked the core speed at 797 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this particular model. It features 1152 SPUs as well as 96 TAUs and 16 Rasterization Operator Units.

Compare those specs to the Radeon HD 5450, which has GPU clock speed of 650 MHz, and 512 MB of DDR3 memory set to run at 800 MHz through a 64-bit bus. It also is comprised of 80(16x5) Stream Processors, 8 Texture Address Units, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5450 19 Watts
GeForce GTX 860M 45 Watts
Difference: 26 Watts (137%)

Memory Bandwidth

Theoretically, the GeForce GTX 860M should be quite a bit faster than the Radeon HD 5450 in general. (explain)

GeForce GTX 860M 64000 MB/sec
Radeon HD 5450 12800 MB/sec
Difference: 51200 (400%)

Texel Rate

The GeForce GTX 860M should be much (about 1371%) faster with regards to AF than the Radeon HD 5450. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 5450 5200 Mtexels/sec
Difference: 71312 (1371%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 860M is superior to the Radeon HD 5450, by far. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 5450 2600 Mpixels/sec
Difference: 10152 (390%)

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 5450

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 5450
Manufacturer nVidia AMD
Year March 12 2014 February 4, 2010
Code Name GM107 Cedar PRO
Memory 4096 MB 512 MB
Core Speed 797 MHz 650 MHz
Memory Speed 4000 MHz 1600 MHz
Power (Max TDP) 45 watts 19 watts
Bandwidth 64000 MB/sec 12800 MB/sec
Texel Rate 76512 Mtexels/sec 5200 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 2600 Mpixels/sec
Unified Shaders 1152 80(16x5)
Texture Mapping Units 96 8
Render Output Units 16 4
Bus Type GDDR5 DDR3
Bus Width 128-bit 64-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 292 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transported across the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the video card will be at handling 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 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 number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially 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 860M

Amazon.com

Check prices at:

Radeon HD 5450

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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