Submit Benchmarks!

Submit SSD Benchmark
Submit GPU Benchmark

Compare any two graphics cards:
VS

GeForce GTX 470 vs Radeon HD 6770 1GB

Intro

The GeForce GTX 470 comes with a GPU core speed of 607 MHz, and the 1280 MB of GDDR5 memory runs at 837 MHz through a 320-bit bus. It also is comprised of 448 SPUs, 56 TAUs, and 40 Raster Operation Units.

Compare those specifications to the Radeon HD 6770 1GB, which uses a 40 nm design. AMD has set the core frequency at 900 MHz. The GDDR5 RAM runs at a frequency of 1050 MHz on this model. It features 800 SPUs as well as 40 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6770 1GB 108 Watts
GeForce GTX 470 215 Watts
Difference: 107 Watts (99%)

Memory Bandwidth

The GeForce GTX 470 should theoretically perform quite a bit faster than the Radeon HD 6770 1GB in general. (explain)

GeForce GTX 470 133920 MB/sec
Radeon HD 6770 1GB 67200 MB/sec
Difference: 66720 (99%)

Texel Rate

The Radeon HD 6770 1GB should be a bit (about 6%) more effective at texture filtering than the GeForce GTX 470. (explain)

Radeon HD 6770 1GB 36000 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 2008 (6%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 470 is superior to the Radeon HD 6770 1GB, and very much so. (explain)

GeForce GTX 470 24280 Mpixels/sec
Radeon HD 6770 1GB 14400 Mpixels/sec
Difference: 9880 (69%)

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

GeForce GTX 470

Radeon HD 6770 1GB

Specifications

Display Specifications

Hide Specifications

Model GeForce GTX 470 Radeon HD 6770 1GB
Manufacturer nVidia AMD
Year March 2010 January 2011
Code Name GF100 Juniper XT
Memory 1280 MB 1024 MB
Core Speed 607 MHz 900 MHz
Memory Speed 3348 MHz 4200 MHz
Power (Max TDP) 215 watts 108 watts
Bandwidth 133920 MB/sec 67200 MB/sec
Texel Rate 33992 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 448 800
Texture Mapping Units 56 40
Render Output Units 40 16
Bus Type GDDR5 GDDR5
Bus Width 320-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 3000 million 1040 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied 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 better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs 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, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

GeForce GTX 470

Radeon HD 6770 1GB

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


[X]
[X]