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Geforce GTX 760 vs Radeon R9 270

Intro

The Geforce GTX 760 has a core clock frequency of 980 MHz and a GDDR5 memory frequency of 1502 MHz. It also uses a 256-bit memory bus, and makes use of a 28 nm design. It features 1152 SPUs, 96 TAUs, and 32 Raster Operation Units.

Compare those specs to the Radeon R9 270, which makes use of a 28 nm design. AMD has set the core speed at 900 MHz. The GDDR5 memory works at a speed of 1400 MHz on this card. It features 1280 SPUs along with 80 TAUs and 32 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

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

As far as performance goes, the Geforce GTX 760 should theoretically be a bit better than the Radeon R9 270 in general. (explain)

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

Texel Rate

The Geforce GTX 760 should be quite a bit (approximately 31%) faster with regards to texture filtering than the Radeon R9 270. (explain)

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

Pixel Rate

If using a high resolution is important to you, then the Geforce GTX 760 is superior to the Radeon R9 270, but only just. (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

Amazon.com

Radeon R9 270

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Model Geforce GTX 760 Radeon R9 270
Manufacturer nVidia AMD
Year June 2013 November 2013
Code Name GK104 Curacao Pro
Fab Process 28 nm 28 nm
Bus PCIe 3.0 x16 PCIe 3.0 x16
Memory 2048 MB 2048 MB
Core Speed 980 MHz 900 MHz
Shader Speed 980 MHz (N/A) MHz
Memory Speed 1502 MHz (6008 MHz effective) 1400 MHz (5600 MHz effective)
Unified Shaders 1152 1280
Texture Mapping Units 96 80
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3
Power (Max TDP) 170 watts 150 watts
Shader Model 5.0 5.0
Bandwidth 192256 MB/sec 179200 MB/sec
Texel Rate 94080 Mtexels/sec 72000 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 28800 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better 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 amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Comments

2 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.

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