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Radeon HD 4550 256MB vs Radeon R9 M375

Intro

The Radeon HD 4550 256MB comes with core clock speeds of 600 MHz on the GPU, and 800 MHz on the 256 MB of DDR3 memory. It features 80(16x5) SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

Compare all that to the Radeon R9 M375, which makes use of a 28 nm design. AMD has clocked the core speed at 1015 MHz. The DDR3 memory works at a speed of 1100 MHz on this specific model. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M375 should theoretically be quite a bit better than the Radeon HD 4550 256MB overall. (explain)

Radeon R9 M375 35200 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 22400 (175%)

Texel Rate

The Radeon R9 M375 will be much (approximately 746%) faster with regards to texture filtering than the Radeon HD 4550 256MB. (explain)

Radeon R9 M375 40600 Mtexels/sec
Radeon HD 4550 256MB 4800 Mtexels/sec
Difference: 35800 (746%)

Pixel Rate

The Radeon R9 M375 will be a lot (approximately 577%) faster with regards to FSAA than the Radeon HD 4550 256MB, and capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R9 M375 16240 Mpixels/sec
Radeon HD 4550 256MB 2400 Mpixels/sec
Difference: 13840 (577%)

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 4550 256MB

Amazon.com

Check prices at:

Radeon R9 M375

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 Radeon HD 4550 256MB Radeon R9 M375
Manufacturer AMD AMD
Year Sep 30, 2008 2015
Code Name RV710 Cape Verde
Memory 256 MB 4096 MB
Core Speed 600 MHz 1015 MHz
Memory Speed 1600 MHz 2200 MHz
Power (Max TDP) 25 watts (Unknown) watts
Bandwidth 12800 MB/sec 35200 MB/sec
Texel Rate 4800 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 2400 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 80(16x5) 640
Texture Mapping Units 8 40
Render Output Units 4 16
Bus Type DDR3 DDR3
Bus Width 64-bit 128-bit
Fab Process 55 nm 28 nm
Transistors 242 million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4550 256MB

Amazon.com

Check prices at:

Radeon R9 M375

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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