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GeForce GTX 260 Core 216 vs Radeon HD 5770


Intro

The GeForce GTX 260 Core 216 features core clock speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 memory. It features 216 SPUs along with 72 TAUs and 28 Rasterization Operator Units.

Compare those specs to the Radeon HD 5770, which makes use of a 40 nm design. AMD has set the core frequency at 850 MHz. The GDDR5 memory runs at a speed of 1200 MHz on this specific model. It features 800(160x5) SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 94 Watts (87%)

Memory Bandwidth

In theory, the GeForce GTX 260 Core 216 will be 46% quicker than the Radeon HD 5770 in general, because of its greater bandwidth. (explain)

GeForce GTX 260 Core 216 111888 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 35088 (46%)

Texel Rate

The GeForce GTX 260 Core 216 will be a lot (about 22%) faster with regards to anisotropic filtering than the Radeon HD 5770. (explain)

GeForce GTX 260 Core 216 41472 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 7472 (22%)

Pixel Rate

The GeForce GTX 260 Core 216 will be a bit (more or less 19%) better at FSAA than the Radeon HD 5770, and also should be able to handle higher screen resolutions better. (explain)

GeForce GTX 260 Core 216 16128 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 2528 (19%)

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 260 Core 216

Radeon HD 5770

Specifications

Display Specifications

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Model GeForce GTX 260 Core 216 Radeon HD 5770
Manufacturer nVidia AMD
Year September 16, 2008 October 13, 2009
Code Name G200 Juniper XT
Memory 896 MB 1024 MB
Core Speed 576 MHz 850 MHz
Memory Speed 1998 MHz 4800 MHz
Power (Max TDP) 202 watts 108 watts
Bandwidth 111888 MB/sec 76800 MB/sec
Texel Rate 41472 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 216 800(160x5)
Texture Mapping Units 72 40
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1040 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the 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 record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the clock 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

GeForce GTX 260 Core 216

Radeon HD 5770

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