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Geforce GTX 760 vs Radeon HD 7950 3GB

Intro

The Geforce GTX 760 features core speeds of 980 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 1152 SPUs as well as 96 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon HD 7950 3GB, which has a GPU core clock speed of 800 MHz, and 3072 MB of GDDR5 RAM running at 1250 MHz through a 384-bit bus. It also features 1792 SPUs, 112 Texture Address Units, and 32 Raster Operation Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760 170 Watts
Radeon HD 7950 3GB 200 Watts
Difference: 30 Watts (18%)

Memory Bandwidth

Performance-wise, the Radeon HD 7950 3GB should theoretically be a lot better than the Geforce GTX 760 overall. (explain)

Radeon HD 7950 3GB 240000 MB/sec
Geforce GTX 760 192256 MB/sec
Difference: 47744 (25%)

Texel Rate

The Geforce GTX 760 is a bit (more or less 5%) more effective at anisotropic filtering than the Radeon HD 7950 3GB. (explain)

Geforce GTX 760 94080 Mtexels/sec
Radeon HD 7950 3GB 89600 Mtexels/sec
Difference: 4480 (5%)

Pixel Rate

The Geforce GTX 760 should be a lot (more or less 23%) more effective at AA than the Radeon HD 7950 3GB, and also capable of handling higher resolutions without losing too much performance. (explain)

Geforce GTX 760 31360 Mpixels/sec
Radeon HD 7950 3GB 25600 Mpixels/sec
Difference: 5760 (23%)

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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

Geforce GTX 760

Amazon.com

Other US-based stores

Radeon HD 7950 3GB

Amazon.com

Other US-based stores

Specifications

Model Geforce GTX 760 Radeon HD 7950 3GB
Manufacturer nVidia ATi
Year June 2013 January 2012
Code Name GK104 Tahiti Pro
Fab Process 28 nm 28 nm
Bus PCIe 3.0 x16 PCIe 3.0 x16
Memory 2048 MB 3072 MB
Core Speed 980 MHz 800 MHz
Shader Speed 980 MHz (N/A) MHz
Memory Speed 1502 MHz (6008 MHz effective) 1250 MHz (5000 MHz effective)
Unified Shaders 1152 1792
Texture Mapping Units 96 112
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
DirectX Version DirectX 11.0 DirectX 11.1
OpenGL Version OpenGL 4.3 OpenGL 4.2
Power (Max TDP) 170 watts 200 watts
Shader Model 5.0 5.0
Bandwidth 192256 MB/sec 240000 MB/sec
Texel Rate 94080 Mtexels/sec 89600 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 25600 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling 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 could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines 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 output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Comments

2 Responses to “Geforce GTX 760 vs Radeon HD 7950 3GB”
John Cock says:
amd PENETRATES everything
Jack Black says:
Jesus, look how behind the times compared with the 7950 the 760 is. The 7950 still beats it in IRL, even 18 months on...

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