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GeForce GTX 460 1GB vs Radeon HD 4870 1GB

Intro

The GeForce GTX 460 1GB comes with core clock speeds of 675 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 RAM. It features 336 SPUs along with 56 Texture Address Units and 32 ROPs.

Compare those specifications to the Radeon HD 4870 1GB, which features a core clock speed of 750 MHz and a GDDR5 memory frequency of 900 MHz. It also makes use of a 256-bit bus, and uses a 55 nm design. It is made up of 800(160x5) SPUs, 40 TAUs, and 16 Raster Operation Units.

Battlefield Bad Company 2

Settings: High Quality
AA: 4x
AF: 8x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTX 460 1GB 36 FPS
Radeon HD 4870 1GB 33 FPS
Difference: 3 FPS (9%)

Left4Dead 2

Settings: Very High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTX 460 1GB 86 FPS
Radeon HD 4870 1GB 80 FPS
Difference: 6 FPS (8%)

Mass Effect 2

Settings: Maximum Quality
AA: none
AF: 8x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTX 460 1GB 106 FPS
Radeon HD 4870 1GB 98 FPS
Difference: 8 FPS (8%)

Supreme Commander 2

Settings: High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTX 460 1GB 77 FPS
Radeon HD 4870 1GB 57 FPS
Difference: 20 FPS (35%)

GeForce GTX 460 1GB wins

(Based entirely on the benchmarks listed above)

When combining all game benchmark scores on this page together, the GeForce GTX 460 1GB wins overall, by 37 FPS. Please note that we do not have the results of every benchmark ever done for these cards, so the results may differ wildly in different games.

GeForce GTX 460 1GB 305 FPS
Radeon HD 4870 1GB 268 FPS
Difference: 37 FPS (14%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4870 1GB 150 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so theoretically they should have the same performance. (explain)

Texel Rate

The GeForce GTX 460 1GB should be much (about 26%) better at anisotropic filtering than the Radeon HD 4870 1GB. (explain)

GeForce GTX 460 1GB 37800 Mtexels/sec
Radeon HD 4870 1GB 30000 Mtexels/sec
Difference: 7800 (26%)

Pixel Rate

The GeForce GTX 460 1GB is quite a bit (more or less 80%) better at full screen anti-aliasing than the Radeon HD 4870 1GB, and also able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 460 1GB 21600 Mpixels/sec
Radeon HD 4870 1GB 12000 Mpixels/sec
Difference: 9600 (80%)

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 460 1GB

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

Radeon HD 4870 1GB

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

Specifications

Model GeForce GTX 460 1GB Radeon HD 4870 1GB
Manufacturer nVidia ATi
Year July 2010 Jun 25, 2008
Code Name GF104 RV770 XT
Fab Process 40 nm 55 nm
Bus PCIe x16 PCIe 2.0 x16
Memory 1024 MB 1024 MB
Core Speed 675 MHz 750 MHz
Shader Speed 1350 MHz (N/A) MHz
Memory Speed 900 MHz 900 MHz
Unified Shaders 336 800(160x5)
Texture Mapping Units 56 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
DirectX Version DirectX 11 DirectX 10.1
OpenGL Version OpenGL 4.1 OpenGL 3.0
Power (Max TDP) 160 watts 150 watts
Shader Model 5.0 4.1
Bandwidth 115200 MB/sec 115200 MB/sec
Texel Rate 37800 Mtexels/sec 30000 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 12000 Mpixels/sec

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

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated 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 fill 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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Comments

One Response to “GeForce GTX 460 1GB vs Radeon HD 4870 1GB”
Mike says:

When will we see the addition of the new AMD/Radeon 7000 series added as well as the new NVidia 600 series?

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