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Radeon HD 4830 1GB vs Radeon R9 M395X

Intro

The Radeon HD 4830 1GB has a GPU core speed of 575 MHz, and the 1024 MB of GDDR4 RAM runs at 900 MHz through a 256-bit bus. It also is comprised of 640(128x5) SPUs, 32 Texture Address Units, and 16 Raster Operation Units.

Compare all that to the Radeon R9 M395X, which comes with a clock frequency of 723 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 256-bit bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4830 1GB 95 Watts
Radeon R9 M395X 125 Watts
Difference: 30 Watts (32%)

Memory Bandwidth

Performance-wise, the Radeon R9 M395X should theoretically be a lot superior to the Radeon HD 4830 1GB overall. (explain)

Radeon R9 M395X 160000 MB/sec
Radeon HD 4830 1GB 57600 MB/sec
Difference: 102400 (178%)

Texel Rate

The Radeon R9 M395X should be quite a bit (approximately 403%) more effective at texture filtering than the Radeon HD 4830 1GB. (explain)

Radeon R9 M395X 92544 Mtexels/sec
Radeon HD 4830 1GB 18400 Mtexels/sec
Difference: 74144 (403%)

Pixel Rate

The Radeon R9 M395X is a lot (approximately 151%) faster with regards to anti-aliasing than the Radeon HD 4830 1GB, and also should be capable of handling higher screen resolutions better. (explain)

Radeon R9 M395X 23136 Mpixels/sec
Radeon HD 4830 1GB 9200 Mpixels/sec
Difference: 13936 (151%)

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 4830 1GB

Amazon.com

Check prices at:

Radeon R9 M395X

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 4830 1GB Radeon R9 M395X
Manufacturer AMD AMD
Year Oct 21, 2008 2015
Code Name RV770 LE Tonga
Memory 1024 MB 4096 MB
Core Speed 575 MHz 723 MHz
Memory Speed 1800 MHz 5000 MHz
Power (Max TDP) 95 watts 125 watts
Bandwidth 57600 MB/sec 160000 MB/sec
Texel Rate 18400 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 9200 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 640(128x5) 2048
Texture Mapping Units 32 128
Render Output Units 16 32
Bus Type GDDR4 GDDR5
Bus Width 256-bit 256-bit
Fab Process 55 nm 28 nm
Transistors 956 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 max amount of data (in units of megabytes per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is calculated by multiplying the total texture units of the card by the core 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 4830 1GB

Amazon.com

Check prices at:

Radeon R9 M395X

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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