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Geforce GTX 760 vs Radeon HD 4670 1GB

Intro

The Geforce GTX 760 has a 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 is comprised of 1152 SPUs, 96 Texture Address Units, and 32 ROPs.

Compare those specs to the Radeon HD 4670 1GB, which comes with core clock speeds of 750 MHz on the GPU, and 1100 MHz on the 1024 MB of GDDR4/GDDR3/DDR3/DDR2 RAM. It features 320(64x5) SPUs as well as 32 Texture Address Units and 8 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4670 1GB 70 Watts
Geforce GTX 760 170 Watts
Difference: 100 Watts (143%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 is 446% quicker than the Radeon HD 4670 1GB overall, because of its higher data rate. (explain)

Geforce GTX 760 192256 MB/sec
Radeon HD 4670 1GB 35200 MB/sec
Difference: 157056 (446%)

Texel Rate

The Geforce GTX 760 will be quite a bit (more or less 292%) faster with regards to anisotropic filtering than the Radeon HD 4670 1GB. (explain)

Geforce GTX 760 94080 Mtexels/sec
Radeon HD 4670 1GB 24000 Mtexels/sec
Difference: 70080 (292%)

Pixel Rate

The Geforce GTX 760 should be much (approximately 423%) faster with regards to AA than the Radeon HD 4670 1GB, and capable of handling higher screen resolutions without slowing down too much. (explain)

Geforce GTX 760 31360 Mpixels/sec
Radeon HD 4670 1GB 6000 Mpixels/sec
Difference: 25360 (423%)

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 HD 4670 1GB

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 HD 4670 1GB
Manufacturer nVidia AMD
Year June 2013 Sep 10, 2008
Code Name GK104 RV730 XT
Fab Process 28 nm 55 nm
Bus PCIe 3.0 x16 PCIe 2.0 x16, AGP 8x
Memory 2048 MB 1024 MB
Core Speed 980 MHz 750 MHz
Shader Speed 980 MHz (N/A) MHz
Memory Speed 1502 MHz (6008 MHz effective) 1100 MHz (2200 MHz effective)
Unified Shaders 1152 320(64x5)
Texture Mapping Units 96 32
Render Output Units 32 8
Bus Type GDDR5 GDDR4/GDDR3/DDR3/DDR2
Bus Width 256-bit 128-bit
DirectX Version DirectX 11.0 DirectX 10.1
OpenGL Version OpenGL 4.3 OpenGL 3.0
Power (Max TDP) 170 watts 70 watts
Shader Model 5.0 4.1
Bandwidth 192256 MB/sec 35200 MB/sec
Texel Rate 94080 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 31360 Mpixels/sec 6000 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total number of texture units of the card 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 a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

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