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Radeon HD 4650 1GB vs Radeon R9 M290X

Intro

The Radeon HD 4650 1GB uses a 55 nm design. AMD has clocked the core frequency at 600 MHz. The GDDR3 RAM is set to run at a frequency of 700 MHz on this particular card. It features 320(64x5) SPUs as well as 32 TAUs and 8 Rasterization Operator Units.

Compare those specs to the Radeon R9 M290X, which comes with a GPU core clock speed of 850 MHz, and 4096 MB of GDDR5 RAM running at 1200 MHz through a 256-bit bus. It also features 1280 SPUs, 80 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4650 1GB 55 Watts
Radeon R9 M290X 100 Watts
Difference: 45 Watts (82%)

Memory Bandwidth

The Radeon R9 M290X, in theory, should perform a lot faster than the Radeon HD 4650 1GB in general. (explain)

Radeon R9 M290X 153600 MB/sec
Radeon HD 4650 1GB 22400 MB/sec
Difference: 131200 (586%)

Texel Rate

The Radeon R9 M290X is much (more or less 254%) more effective at anisotropic filtering than the Radeon HD 4650 1GB. (explain)

Radeon R9 M290X 68000 Mtexels/sec
Radeon HD 4650 1GB 19200 Mtexels/sec
Difference: 48800 (254%)

Pixel Rate

The Radeon R9 M290X is quite a bit (about 467%) more effective at FSAA than the Radeon HD 4650 1GB, and also will be able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 M290X 27200 Mpixels/sec
Radeon HD 4650 1GB 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 1GB

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 1GB Radeon R9 M290X
Manufacturer AMD AMD
Year Sep 10, 2008 May 1 2014
Code Name RV730 PRO Neptune XT
Memory 1024 MB 4096 MB
Core Speed 600 MHz 850 MHz
Memory Speed 1400 MHz 4800 MHz
Power (Max TDP) 55 watts 100 watts
Bandwidth 22400 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 GDDR3 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 information (in units of megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number 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 handling 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 the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4650 1GB

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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