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Geforce GTX 760 vs Radeon R9 270

Intro

The Geforce GTX 760 features a clock speed of 980 MHz and a GDDR5 memory frequency of 1502 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It is made up of 1152 SPUs, 96 Texture Address Units, and 32 ROPs.

Compare that to the Radeon R9 270, which has core clock speeds of 900 MHz on the GPU, and 1400 MHz on the 2048 MB of GDDR5 memory. It features 1280 SPUs along with 80 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 270 150 Watts
Geforce GTX 760 170 Watts
Difference: 20 Watts (13%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 should perform a bit faster than the Radeon R9 270 overall. (explain)

Geforce GTX 760 192256 MB/sec
Radeon R9 270 179200 MB/sec
Difference: 13056 (7%)

Texel Rate

The Geforce GTX 760 will be a lot (about 31%) more effective at anisotropic filtering than the Radeon R9 270. (explain)

Geforce GTX 760 94080 Mtexels/sec
Radeon R9 270 72000 Mtexels/sec
Difference: 22080 (31%)

Pixel Rate

The Geforce GTX 760 will be just a bit (about 9%) more effective at AA than the Radeon R9 270, and should be capable of handling higher resolutions without losing too much performance. (explain)

Geforce GTX 760 31360 Mpixels/sec
Radeon R9 270 28800 Mpixels/sec
Difference: 2560 (9%)

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 760

Radeon R9 270

Specifications

Display Specifications

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Model Geforce GTX 760 Radeon R9 270
Manufacturer nVidia AMD
Year June 2013 November 2013
Code Name GK104 Curacao Pro
Memory 2048 MB 2048 MB
Core Speed 980 MHz 900 MHz
Memory Speed 6008 MHz 5600 MHz
Power (Max TDP) 170 watts 150 watts
Bandwidth 192256 MB/sec 179200 MB/sec
Texel Rate 94080 Mtexels/sec 72000 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 1152 1280
Texture Mapping Units 96 80
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 2800 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This 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 graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka 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 - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Geforce GTX 760

Radeon R9 270

Comments

6 Responses to “Geforce GTX 760 vs Radeon R9 270”
Umbraxis says:

Wow... price-to-performance on the Nvidia card is absolutely pathetic.

Guess you're paying for the brand.

rodrigues says:

nvidia no more. It Dosn't worth the difference of prices.

john says:

270 card performs the same and there is no real noticeable differnce on a 24inch 1080p 120 ghz screen-

price i go with r9 and its dx12 compatible

Ruru says:

The cards costs the same right now and Nvidia is the better choice.

Douglas says:

The same fot u in brazil the cust is like $50,00 difference r9 270 for gtx 760

Douglas says:

The same fot u in brazil the cust is like $50,00 difference r9 270 for gtx 760

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