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GeForce 840M vs Radeon R5 M230

Intro

The GeForce 840M has clock speeds of 1029 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs along with 24 TAUs and 8 Rasterization Operator Units.

Compare all of that to the Radeon R5 M230, which makes use of a 28 nm design. AMD has set the core frequency at 780 MHz. The DDR3 memory runs at a frequency of 1000 MHz on this specific model. It features 320 SPUs as well as 20 TAUs and 4 Rasterization Operator 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

GeForce 840M 1600 points
Radeon R5 M230 1281 points
Difference: 319 (25%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

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

Texel Rate

The GeForce 840M should be quite a bit (approximately 58%) more effective at anisotropic filtering than the Radeon R5 M230. (explain)

GeForce 840M 24696 Mtexels/sec
Radeon R5 M230 15600 Mtexels/sec
Difference: 9096 (58%)

Pixel Rate

The GeForce 840M will be a lot (about 164%) better at full screen anti-aliasing than the Radeon R5 M230, and also should be capable of handling higher screen resolutions better. (explain)

GeForce 840M 8232 Mpixels/sec
Radeon R5 M230 3120 Mpixels/sec
Difference: 5112 (164%)

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 840M

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 840M Radeon R5 M230
Manufacturer nVidia AMD
Year March 12 2014 2014
Code Name GM108 Jet Pro
Memory 2048 MB 2048 MB
Core Speed 1029 MHz 780 MHz
Memory Speed 2000 MHz 2000 MHz
Power (Max TDP) 30 watts (Unknown) watts
Bandwidth 16000 MB/sec 16000 MB/sec
Texel Rate 24696 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 8232 Mpixels/sec 3120 Mpixels/sec
Unified Shaders 384 320
Texture Mapping Units 24 20
Render Output Units 8 4
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 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 data (in units of MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 once 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, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. 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 fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 840M

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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