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GeForce GTX 960M vs Radeon HD 4850 2GB

Intro

The GeForce GTX 960M has a core clock speed of 1096 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 128-bit memory bus, and makes use of a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 4850 2GB, which comes with core speeds of 625 MHz on the GPU, and 993 MHz on the 2048 MB of GDDR4 RAM. It features 800(160x5) SPUs along with 40 TAUs and 16 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960M 65 Watts
Radeon HD 4850 2GB 110 Watts
Difference: 45 Watts (69%)

Memory Bandwidth

Performance-wise, the GeForce GTX 960M should in theory be just a bit superior to the Radeon HD 4850 2GB overall. (explain)

GeForce GTX 960M 64000 MB/sec
Radeon HD 4850 2GB 63552 MB/sec
Difference: 448 (1%)

Texel Rate

The GeForce GTX 960M should be quite a bit (about 75%) more effective at anisotropic filtering than the Radeon HD 4850 2GB. (explain)

GeForce GTX 960M 43840 Mtexels/sec
Radeon HD 4850 2GB 25000 Mtexels/sec
Difference: 18840 (75%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 960M is the winner, and very much so. (explain)

GeForce GTX 960M 17536 Mpixels/sec
Radeon HD 4850 2GB 10000 Mpixels/sec
Difference: 7536 (75%)

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 960M

Amazon.com

Check prices at:

Radeon HD 4850 2GB

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 960M Radeon HD 4850 2GB
Manufacturer nVidia AMD
Year March 12 2015 Jun 25, 2008
Code Name GM107 RV770 PRO
Memory 2048 MB 2048 MB
Core Speed 1096 MHz 625 MHz
Memory Speed 4000 MHz 1986 MHz
Power (Max TDP) 65 watts 110 watts
Bandwidth 64000 MB/sec 63552 MB/sec
Texel Rate 43840 Mtexels/sec 25000 Mtexels/sec
Pixel Rate 17536 Mpixels/sec 10000 Mpixels/sec
Unified Shaders 640 800(160x5)
Texture Mapping Units 40 40
Render Output Units 16 16
Bus Type GDDR5 GDDR4
Bus Width 128-bit 256-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 956 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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster 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 amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 960M

Amazon.com

Check prices at:

Radeon HD 4850 2GB

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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