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GeForce GTX 965M vs Radeon HD 6450 (OEM) 1GB

Intro

The GeForce GTX 965M uses a 28 nm design. nVidia has set the core speed at 944 MHz. The GDDR5 memory works at a speed of 1000 MHz on this card. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

Compare all of that to the Radeon HD 6450 (OEM) 1GB, which comes with a core clock speed of 750 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 64-bit memory bus, and makes use of a 40 nm design. It is comprised of 160 SPUs, 8 TAUs, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6450 (OEM) 1GB 31 Watts
GeForce GTX 965M 60 Watts
Difference: 29 Watts (94%)

Memory Bandwidth

Performance-wise, the GeForce GTX 965M should theoretically be a lot superior to the Radeon HD 6450 (OEM) 1GB in general. (explain)

GeForce GTX 965M 64000 MB/sec
Radeon HD 6450 (OEM) 1GB 28800 MB/sec
Difference: 35200 (122%)

Texel Rate

The GeForce GTX 965M should be a lot (about 907%) better at AF than the Radeon HD 6450 (OEM) 1GB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 54416 (907%)

Pixel Rate

The GeForce GTX 965M is a lot (more or less 907%) faster with regards to full screen anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and also able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 965M 30208 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 27208 (907%)

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 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 965M Radeon HD 6450 (OEM) 1GB
Manufacturer nVidia AMD
Year January 5 2015 February 2011
Code Name GM204 Caicos
Memory 2048 MB 1024 MB
Core Speed 944 MHz 750 MHz
Memory Speed 4000 MHz 3600 MHz
Power (Max TDP) 60 watts 31 watts
Bandwidth 64000 MB/sec 28800 MB/sec
Texel Rate 60416 Mtexels/sec 6000 Mtexels/sec
Pixel Rate 30208 Mpixels/sec 3000 Mpixels/sec
Unified Shaders 1024 160
Texture Mapping Units 64 8
Render Output Units 32 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: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the 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 amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the card will be at handling 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 the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core clock speed. 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 output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 965M

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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