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Radeon HD 4650 512MB vs Radeon R9 M290X

Intro

The Radeon HD 4650 512MB comes with a GPU core clock speed of 600 MHz, and the 512 MB of DDR2 memory runs at 500 MHz through a 128-bit bus. It also is comprised of 320(64x5) SPUs, 32 Texture Address Units, and 8 ROPs.

Compare those specifications to the Radeon R9 M290X, which features a clock speed of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1280 SPUs, 80 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4650 512MB 55 Watts
Radeon R9 M290X 100 Watts
Difference: 45 Watts (82%)

Memory Bandwidth

As far as performance goes, the Radeon R9 M290X should theoretically be much better than the Radeon HD 4650 512MB overall. (explain)

Radeon R9 M290X 153600 MB/sec
Radeon HD 4650 512MB 16000 MB/sec
Difference: 137600 (860%)

Texel Rate

The Radeon R9 M290X should be a lot (about 254%) faster with regards to texture filtering than the Radeon HD 4650 512MB. (explain)

Radeon R9 M290X 68000 Mtexels/sec
Radeon HD 4650 512MB 19200 Mtexels/sec
Difference: 48800 (254%)

Pixel Rate

The Radeon R9 M290X will be a lot (more or less 467%) faster with regards to anti-aliasing than the Radeon HD 4650 512MB, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon R9 M290X 27200 Mpixels/sec
Radeon HD 4650 512MB 4800 Mpixels/sec
Difference: 22400 (467%)

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 4650 512MB

Amazon.com

Check prices at:

Radeon R9 M290X

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 4650 512MB Radeon R9 M290X
Manufacturer AMD AMD
Year Sep 10, 2008 May 1 2014
Code Name RV730 PRO Neptune XT
Memory 512 MB 4096 MB
Core Speed 600 MHz 850 MHz
Memory Speed 1000 MHz 4800 MHz
Power (Max TDP) 55 watts 100 watts
Bandwidth 16000 MB/sec 153600 MB/sec
Texel Rate 19200 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 4800 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 320(64x5) 1280
Texture Mapping Units 32 80
Render Output Units 8 32
Bus Type DDR2 GDDR5
Bus Width 128-bit 256-bit
Fab Process 55 nm 28 nm
Transistors 514 million (Unknown) million
Bus PCIe 2.0 x16, AGP 8x PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be transferred across the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If 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 amount of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 chip can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4650 512MB

Amazon.com

Check prices at:

Radeon R9 M290X

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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