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Radeon HD 4650 512MB vs Radeon R5 M230

Intro

The Radeon HD 4650 512MB has core speeds of 600 MHz on the GPU, and 500 MHz on the 512 MB of DDR2 memory. It features 320(64x5) SPUs as well as 32 TAUs and 8 Rasterization Operator Units.

Compare those specifications to the Radeon R5 M230, which comes with clock speeds of 780 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 320 SPUs as well as 20 TAUs and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so in theory they should perform exactly the same. (explain)

Texel Rate

The Radeon HD 4650 512MB should be a lot (about 23%) faster with regards to AF than the Radeon R5 M230. (explain)

Radeon HD 4650 512MB 19200 Mtexels/sec
Radeon R5 M230 15600 Mtexels/sec
Difference: 3600 (23%)

Pixel Rate

The Radeon HD 4650 512MB will be much (approximately 54%) more effective at AA than the Radeon R5 M230, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon HD 4650 512MB 4800 Mpixels/sec
Radeon R5 M230 3120 Mpixels/sec
Difference: 1680 (54%)

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 R5 M230

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 R5 M230
Manufacturer AMD AMD
Year Sep 10, 2008 2014
Code Name RV730 PRO Jet Pro
Memory 512 MB 2048 MB
Core Speed 600 MHz 780 MHz
Memory Speed 1000 MHz 2000 MHz
Power (Max TDP) 55 watts (Unknown) watts
Bandwidth 16000 MB/sec 16000 MB/sec
Texel Rate 19200 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 4800 Mpixels/sec 3120 Mpixels/sec
Unified Shaders 320(64x5) 320
Texture Mapping Units 32 20
Render Output Units 8 4
Bus Type DDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 55 nm 28 nm
Transistors 514 million (Unknown) million
Bus PCIe 2.0 x16, AGP 8x PCIe 3.0 x8
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated 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 drawing the pixels (image) on the screen. 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 ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4650 512MB

Amazon.com

Check prices at:

Radeon R5 M230

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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