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GeForce GTX 950M vs Radeon HD 4750

Intro

The GeForce GTX 950M comes with core speeds of 914 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 640 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

Compare those specifications to the Radeon HD 4750, which features GPU clock speed of 730 MHz, and 512 MB of GDDR5 memory running at 800 MHz through a 128-bit bus. It also is made up of 640(128x5) SPUs, 32 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M 55 Watts
Radeon HD 4750 75 Watts
Difference: 20 Watts (36%)

Memory Bandwidth

Performance-wise, the Radeon HD 4750 should theoretically be a lot better than the GeForce GTX 950M overall. (explain)

Radeon HD 4750 51200 MB/sec
GeForce GTX 950M 32000 MB/sec
Difference: 19200 (60%)

Texel Rate

The GeForce GTX 950M will be quite a bit (about 57%) better at texture filtering than the Radeon HD 4750. (explain)

GeForce GTX 950M 36560 Mtexels/sec
Radeon HD 4750 23360 Mtexels/sec
Difference: 13200 (57%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 950M is superior to the Radeon HD 4750, by a large margin. (explain)

GeForce GTX 950M 14624 Mpixels/sec
Radeon HD 4750 11680 Mpixels/sec
Difference: 2944 (25%)

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 GTX 950M

Amazon.com

Check prices at:

Radeon HD 4750

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 GTX 950M Radeon HD 4750
Manufacturer nVidia AMD
Year March 12 2015
Code Name GM107 RV740
Memory 2048 MB 512 MB
Core Speed 914 MHz 730 MHz
Memory Speed 2000 MHz 3200 MHz
Power (Max TDP) 55 watts 75 watts
Bandwidth 32000 MB/sec 51200 MB/sec
Texel Rate 36560 Mtexels/sec 23360 Mtexels/sec
Pixel Rate 14624 Mpixels/sec 11680 Mpixels/sec
Unified Shaders 640 640(128x5)
Texture Mapping Units 40 32
Render Output Units 16 16
Bus Type DDR3 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 826 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total texture units 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 one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 950M

Amazon.com

Check prices at:

Radeon HD 4750

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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