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GeForce 820M vs Radeon R5 M230

Intro

The GeForce 820M features a GPU clock speed of 719 MHz, and the 2048 MB of DDR3 RAM runs at 1000 MHz through a 64-bit bus. It also is comprised of 96 SPUs, 16 TAUs, and 4 Raster Operation Units.

Compare those specifications to the Radeon R5 M230, which has a GPU core clock speed of 780 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 64-bit bus. It also is comprised of 320 Stream Processors, 20 TAUs, and 4 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R5 M230 1281 points
GeForce 820M 850 points
Difference: 431 (51%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

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

Texel Rate

The Radeon R5 M230 will be quite a bit (approximately 36%) faster with regards to texture filtering than the GeForce 820M. (explain)

Radeon R5 M230 15600 Mtexels/sec
GeForce 820M 11504 Mtexels/sec
Difference: 4096 (36%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R5 M230 is superior to the GeForce 820M, but not by far. (explain)

Radeon R5 M230 3120 Mpixels/sec
GeForce 820M 2876 Mpixels/sec
Difference: 244 (8%)

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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GeForce 820M

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 GeForce 820M Radeon R5 M230
Manufacturer nVidia AMD
Year February 2014 2014
Code Name GF117 Jet Pro
Memory 2048 MB 2048 MB
Core Speed 719 MHz 780 MHz
Memory Speed 2000 MHz 2000 MHz
Power (Max TDP) 15 watts (Unknown) watts
Bandwidth 16000 MB/sec 16000 MB/sec
Texel Rate 11504 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 2876 Mpixels/sec 3120 Mpixels/sec
Unified Shaders 96 320
Texture Mapping Units 16 20
Render Output Units 4 4
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x8
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better 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 processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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

Display Prices

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GeForce 820M

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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