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GeForce GTX 460 1GB vs Radeon HD 5870

Intro

The GeForce GTX 460 1GB features core speeds of 675 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs along with 56 TAUs and 32 ROPs.

Compare those specs to the Radeon HD 5870, which makes use of a 40 nm design. AMD has clocked the core speed at 850 MHz. The GDDR5 RAM is set to run at a frequency of 1200 MHz on this specific model. It features 1600(320x5) SPUs along with 80 Texture Address Units and 32 ROPs.

Battlefield Bad Company 2

Settings: High Quality
AA: 4x
AF: 8x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
Radeon HD 5870 58 FPS
GeForce GTX 460 1GB 36 FPS
Difference: 22 FPS (61%)

Left4Dead 2

Settings: Very High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
Radeon HD 5870 124 FPS
GeForce GTX 460 1GB 86 FPS
Difference: 38 FPS (44%)

Mass Effect 2

Settings: Maximum Quality
AA: none
AF: 8x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
Radeon HD 5870 150 FPS
GeForce GTX 460 1GB 106 FPS
Difference: 44 FPS (42%)

Supreme Commander 2

Settings: High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
Radeon HD 5870 92 FPS
GeForce GTX 460 1GB 77 FPS
Difference: 15 FPS (19%)

Radeon HD 5870 wins

(Based entirely on the benchmarks listed above)

When combining all game benchmark scores on this page together, the Radeon HD 5870 wins overall, by 119 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.

Radeon HD 5870 424 FPS
GeForce GTX 460 1GB 305 FPS
Difference: 119 FPS (39%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
Radeon HD 5870 188 Watts
Difference: 28 Watts (18%)

Memory Bandwidth

The Radeon HD 5870, in theory, should perform a lot faster than the GeForce GTX 460 1GB in general. (explain)

Radeon HD 5870 153600 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 38400 (33%)

Texel Rate

The Radeon HD 5870 is quite a bit (more or less 80%) better at texture filtering than the GeForce GTX 460 1GB. (explain)

Radeon HD 5870 68000 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 30200 (80%)

Pixel Rate

The Radeon HD 5870 will be a lot (more or less 26%) more effective at full screen anti-aliasing than the GeForce GTX 460 1GB, and also will be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon HD 5870 27200 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 5600 (26%)

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 460 1GB

Amazon.com

Radeon HD 5870

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 460 1GB Radeon HD 5870
Manufacturer nVidia AMD
Year July 2010 September 23, 2009
Code Name GF104 Cypress XT
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe 2.1 x16
Memory 1024 MB 1024 MB
Core Speed 675 MHz 850 MHz
Shader Speed 1350 MHz (N/A) MHz
Memory Speed 900 MHz (3600 MHz effective) 1200 MHz (4800 MHz effective)
Unified Shaders 336 1600(320x5)
Texture Mapping Units 56 80
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2
Power (Max TDP) 160 watts 188 watts
Shader Model 5.0 5.0
Bandwidth 115200 MB/sec 153600 MB/sec
Texel Rate 37800 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 27200 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 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 this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Comments

One Response to “GeForce GTX 460 1GB vs Radeon HD 5870”
diego says:
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