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GeForce GTX 560 Ti 448 vs Radeon HD 7850

Intro

The GeForce GTX 560 Ti 448 features a clock frequency of 732 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 320-bit memory bus, and uses a 40 nm design. It features 448 SPUs, 56 TAUs, and 40 Raster Operation Units.

Compare those specifications to the Radeon HD 7850, which has a clock speed of 860 MHz and a GDDR5 memory speed of 1200 MHz. It also uses a 256-bit memory bus, and uses a 28 nm design. It is made up of 1024 SPUs, 64 TAUs, and 32 Raster Operation Units.

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

Theoretically speaking, the Radeon HD 7850 will be 7% quicker than the GeForce GTX 560 Ti 448 overall, because of its greater bandwidth. (explain)

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

Texel Rate

The Radeon HD 7850 should be much (about 34%) more effective at 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 small bit (approximately 6%) faster with regards to FSAA than the Radeon HD 7850, and capable of handling higher screen resolutions more effectively. (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 (measured in megabytes per second) that can be transferred across the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum 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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