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Geforce GTX 770 vs Radeon R9 270

Intro

The Geforce GTX 770 has core speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs as well as 128 TAUs and 32 Rasterization Operator Units.

Compare those specs to the Radeon R9 270, which has GPU clock speed of 900 MHz, and 2048 MB of GDDR5 RAM running at 1400 MHz through a 256-bit bus. It also is made up of 1280 SPUs, 80 TAUs, and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Geforce GTX 770 7854 points
Radeon R9 270 5943 points
Difference: 1911 (32%)

Ethereum Mining Hash Rate

Radeon R9 270 15 Mh/s
Geforce GTX 770 14 Mh/s
Difference: 1 (7%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 270 150 Watts
Geforce GTX 770 230 Watts
Difference: 80 Watts (53%)

Memory Bandwidth

In theory, the Geforce GTX 770 should be 25% faster than the Radeon R9 270 in general, due to its higher bandwidth. (explain)

Geforce GTX 770 224384 MB/sec
Radeon R9 270 179200 MB/sec
Difference: 45184 (25%)

Texel Rate

The Geforce GTX 770 is a lot (approximately 86%) faster with regards to AF than the Radeon R9 270. (explain)

Geforce GTX 770 133888 Mtexels/sec
Radeon R9 270 72000 Mtexels/sec
Difference: 61888 (86%)

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 770 is the winner, though not by far. (explain)

Geforce GTX 770 33472 Mpixels/sec
Radeon R9 270 28800 Mpixels/sec
Difference: 4672 (16%)

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

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Geforce GTX 770

Amazon.com

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Radeon R9 270

Amazon.com

Check prices at:

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

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Model Geforce GTX 770 Radeon R9 270
Manufacturer nVidia AMD
Year May 2013 November 2013
Code Name GK104 Curacao Pro
Memory 2048 MB 2048 MB
Core Speed 1046 MHz 900 MHz
Memory Speed 7012 MHz 5600 MHz
Power (Max TDP) 230 watts 150 watts
Bandwidth 224384 MB/sec 179200 MB/sec
Texel Rate 133888 Mtexels/sec 72000 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 1536 1280
Texture Mapping Units 128 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 max amount of information (measured in MB per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the 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 can be processed in one second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, 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 most pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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Geforce GTX 770

Amazon.com

Check prices at:

Radeon R9 270

Amazon.com

Check prices at:

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.

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