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Radeon HD 4650 512MB vs Radeon R9 M290X

Intro

The Radeon HD 4650 512MB features a core clock speed of 600 MHz and a DDR2 memory frequency of 500 MHz. It also features a 128-bit bus, and makes use of a 55 nm design. It is made up of 320(64x5) SPUs, 32 Texture Address Units, and 8 ROPs.

Compare all that to the Radeon R9 M290X, which features GPU core speed of 850 MHz, and 4096 MB of GDDR5 memory set to run at 1200 MHz through a 256-bit bus. It also is comprised of 1280 Stream Processors, 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

Performance-wise, the Radeon R9 M290X should in theory be much superior to 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 is quite a bit (more or less 254%) faster with regards to anisotropic 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 full screen anti-aliasing than the Radeon HD 4650 512MB, and able to handle higher resolutions better. (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: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher 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 that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max 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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