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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 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 Raster Operation Units.

Compare those specs to the Radeon R9 270, which makes use of a 28 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 RAM runs at a frequency of 1400 MHz on this specific model. It features 1280 SPUs as well as 80 Texture Address Units 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 in theory be a bit better 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 is much (about 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

The Geforce GTX 760 is a bit (about 9%) better at full screen anti-aliasing than the Radeon R9 270, and capable of handling higher resolutions better. (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: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. The number is 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 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is calculated by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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