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GeForce GTX 560 Ti 448 vs Radeon HD 7850

Intro

The GeForce GTX 560 Ti 448 makes use of a 40 nm design. nVidia has clocked the core speed at 732 MHz. The GDDR5 memory is set to run at a speed of 900 MHz on this particular card. It features 448 SPUs along with 56 Texture Address Units and 40 ROPs.

Compare those specifications to the Radeon HD 7850, which has GPU core speed of 860 MHz, and 2048 MB of GDDR5 memory running at 1200 MHz through a 256-bit bus. It also is made up of 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7850 130 Watts
GeForce GTX 560 Ti 448 210 Watts
Difference: 80 Watts (62%)

Memory Bandwidth

The Radeon HD 7850, in theory, should be just a bit faster than the GeForce GTX 560 Ti 448 in general. (explain)

Radeon HD 7850 153600 MB/sec
GeForce GTX 560 Ti 448 144000 MB/sec
Difference: 9600 (7%)

Texel Rate

The Radeon HD 7850 is a lot (about 34%) faster with regards to AF than the GeForce GTX 560 Ti 448. (explain)

Radeon HD 7850 55040 Mtexels/sec
GeForce GTX 560 Ti 448 40992 Mtexels/sec
Difference: 14048 (34%)

Pixel Rate

The GeForce GTX 560 Ti 448 is a bit (more or less 6%) faster with regards to AA than the Radeon HD 7850, and also able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 560 Ti 448 29280 Mpixels/sec
Radeon HD 7850 27520 Mpixels/sec
Difference: 1760 (6%)

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 560 Ti 448

Radeon HD 7850

Specifications

Display Specifications

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Model GeForce GTX 560 Ti 448 Radeon HD 7850
Manufacturer nVidia AMD
Year December 2011 March 2012
Code Name GF110 Pitcairn Pro
Memory 1280 MB 2048 MB
Core Speed 732 MHz 860 MHz
Memory Speed 3600 MHz 4800 MHz
Power (Max TDP) 210 watts 130 watts
Bandwidth 144000 MB/sec 153600 MB/sec
Texel Rate 40992 Mtexels/sec 55040 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 27520 Mpixels/sec
Unified Shaders 448 1024
Texture Mapping Units 56 64
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 2800 million
Bus PCIe 2.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.2 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 applied per second. This is worked out by multiplying the total number of texture units of the card by the core 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

GeForce GTX 560 Ti 448

Radeon HD 7850

Comments

One Response to “GeForce GTX 560 Ti 448 vs Radeon HD 7850”
Zotac GTX 560 TI 448 or GIGABYTE HD7850 - Hardware Canucks says:

[...] Definitely the HD 7850 ( OC'd to 975mhz) would be a better choice because it has the new 28nm architecture, powerfull (compared to GTX560 TI) n stuff ( 2GB RAM and consumes less power ) Check this site out for more performance comparisons... ( Nvidia Geforce GTX 560 TI 448 vs AMD Radeon HD 7850) GeForce GTX 560 Ti 448 vs Radeon HD 7850 – Performance Comparison Benchmarks @ Hardware Compar... [...]

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