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Radeon HD 6450 (OEM) 1GB vs Radeon R7 M260X

Intro

The Radeon HD 6450 (OEM) 1GB makes use of a 40 nm design. AMD has clocked the core frequency at 750 MHz. The GDDR5 memory runs at a speed of 900 MHz on this specific card. It features 160 SPUs as well as 8 TAUs and 4 ROPs.

Compare those specs to the Radeon R7 M260X, which features core speeds of 825 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R7 M260X should be 122% quicker than the Radeon HD 6450 (OEM) 1GB overall, due to its greater data rate. (explain)

Radeon R7 M260X 64000 MB/sec
Radeon HD 6450 (OEM) 1GB 28800 MB/sec
Difference: 35200 (122%)

Texel Rate

The Radeon R7 M260X should be much (more or less 230%) more effective at anisotropic filtering than the Radeon HD 6450 (OEM) 1GB. (explain)

Radeon R7 M260X 19800 Mtexels/sec
Radeon HD 6450 (OEM) 1GB 6000 Mtexels/sec
Difference: 13800 (230%)

Pixel Rate

The Radeon R7 M260X is quite a bit (approximately 120%) better at full screen anti-aliasing than the Radeon HD 6450 (OEM) 1GB, and should be capable of handling higher resolutions more effectively. (explain)

Radeon R7 M260X 6600 Mpixels/sec
Radeon HD 6450 (OEM) 1GB 3000 Mpixels/sec
Difference: 3600 (120%)

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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Radeon HD 6450 (OEM) 1GB

Amazon.com

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Radeon R7 M260X

Amazon.com

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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 Radeon HD 6450 (OEM) 1GB Radeon R7 M260X
Manufacturer AMD AMD
Year February 2011 June 2014
Code Name Caicos Opal
Memory 1024 MB 2048 MB
Core Speed 750 MHz 825 MHz
Memory Speed 3600 MHz 4000 MHz
Power (Max TDP) 31 watts (Unknown) watts
Bandwidth 28800 MB/sec 64000 MB/sec
Texel Rate 6000 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 3000 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 160 384
Texture Mapping Units 8 24
Render Output Units 4 8
Bus Type GDDR5 GDDR5
Bus Width 64-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 370 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen 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 texture units by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the 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 speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many 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

Hide Prices

Radeon HD 6450 (OEM) 1GB

Amazon.com

Check prices at:

Radeon R7 M260X

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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