Compare any two graphics cards:
VS

GeForce GTX 880M vs Radeon HD 4890 2GB

Intro

The GeForce GTX 880M uses a 28 nm design. nVidia has clocked the core frequency at 954 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this specific card. It features 1536 SPUs as well as 128 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon HD 4890 2GB, which uses a 55 nm design. AMD has set the core frequency at 1000 MHz. The GDDR5 memory runs at a speed of 975 MHz on this specific model. It features 800(160x5) SPUs along with 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
Radeon HD 4890 2GB 190 Watts
Difference: 60 Watts (46%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 880M should perform a little bit faster than the Radeon HD 4890 2GB overall. (explain)

GeForce GTX 880M 128000 MB/sec
Radeon HD 4890 2GB 124800 MB/sec
Difference: 3200 (3%)

Texel Rate

The GeForce GTX 880M is a lot (more or less 205%) better at anisotropic filtering than the Radeon HD 4890 2GB. (explain)

GeForce GTX 880M 122112 Mtexels/sec
Radeon HD 4890 2GB 40000 Mtexels/sec
Difference: 82112 (205%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 880M is superior to the Radeon HD 4890 2GB, by far. (explain)

GeForce GTX 880M 30528 Mpixels/sec
Radeon HD 4890 2GB 16000 Mpixels/sec
Difference: 14528 (91%)

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

Display Prices

Hide Prices

GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 4890 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

Display Specifications

Hide Specifications

Model GeForce GTX 880M Radeon HD 4890 2GB
Manufacturer nVidia AMD
Year March 12 2014 Apr 2, 2009
Code Name GK104 RV790 XT
Memory 4096 MB 2048 MB
Core Speed 954 MHz 1000 MHz
Memory Speed 4000 MHz 3900 MHz
Power (Max TDP) 130 watts 190 watts
Bandwidth 128000 MB/sec 124800 MB/sec
Texel Rate 122112 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 1536 800(160x5)
Texture Mapping Units 128 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 959 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 max amount of data (measured in MB per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 4890 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.

Comments

Be the first to leave a comment!

Your email address will not be published. Required fields are marked *


*

WordPress Anti Spam by WP-SpamShield