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Radeon HD 4670 1GB vs Radeon HD 5670
Intro
The Radeon HD 4670 1GB comes with a core clock speed of 750 MHz and a GDDR4/GDDR3/DDR3/DDR2 memory frequency of 1100 MHz. It also features a 128-bit memory bus, and uses a 55 nm design. It features 320(64x5) SPUs, 32 TAUs, and 8 Raster Operation Units.Compare those specifications to the Radeon HD 5670, which has a GPU core clock speed of 775 MHz, and 1024 MB of GDDR5 memory set to run at 1000 MHz through a 128-bit bus. It also is made up of 400(80x5) SPUs, 20 Texture Address Units, and 8 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 5670 |
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61 Watts |
| Radeon HD 4670 1GB |
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70 Watts |
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Memory Bandwidth
The Radeon HD 5670 should in theory perform much faster than the Radeon HD 4670 1GB overall. (explain)
| Radeon HD 5670 |
|
64000 MB/sec |
| Radeon HD 4670 1GB |
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35200 MB/sec |
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Texel Rate
The Radeon HD 4670 1GB will be much (approximately 55%) more effective at AF than the Radeon HD 5670. (explain)| Radeon HD 4670 1GB |
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24000 Mtexels/sec |
| Radeon HD 5670 |
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15500 Mtexels/sec |
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Pixel Rate
If running with a high screen resolution is important to you, then the Radeon HD 5670 is the winner, though only just barely. (explain)| Radeon HD 5670 |
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6200 Mpixels/sec |
| Radeon HD 4670 1GB |
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6000 Mpixels/sec |
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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
Radeon HD 4670 1GBAmazon.com
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Radeon HD 5670Amazon.com
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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 | Radeon HD 4670 1GB | Radeon HD 5670 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | Sep 10, 2008 | January 14, 2010 |
| Code Name | RV730 XT | Redwood XT |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 750 MHz | 775 MHz |
| Memory Speed | 2200 MHz | 4000 MHz |
| Power (Max TDP) | 70 watts | 61 watts |
| Bandwidth | 35200 MB/sec | 64000 MB/sec |
| Texel Rate | 24000 Mtexels/sec | 15500 Mtexels/sec |
| Pixel Rate | 6000 Mpixels/sec | 6200 Mpixels/sec |
| Unified Shaders | 320(64x5) | 400(80x5) |
| Texture Mapping Units | 32 | 20 |
| Render Output Units | 8 | 8 |
| Bus Type | GDDR4/GDDR3/DDR3/DDR2 | GDDR5 |
| Bus Width | 128-bit | 128-bit |
| Fab Process | 55 nm | 40 nm |
| Transistors | 514 million | 627 million |
| Bus | PCIe 2.0 x16, AGP 8x | PCIe 2.1 x16 |
| DirectX Version | DirectX 10.1 | DirectX 11 |
| OpenGL Version | OpenGL 3.0 | OpenGL 3.2 |
Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be transferred over the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.
Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number 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 card will be at 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 video card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.
Radeon HD 4670 1GBAmazon.com
Check prices at:
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Radeon HD 5670Amazon.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.
|
Comments
One Response to “Radeon HD 4670 1GB vs Radeon HD 5670”IF WE ARE TALKING = EFFICIENCY CLOCK FOR CLOCK and the 4670 had gddr5 like the 5670 i would say the 4670 would be the best as two stand alone cards on 55 and 40nm 5670 gets the nod
but if at the same nm and clock and same ram id take the 4670 over the 5670
that texture fillrate is insane really and at 800mhz with high bandwidth ram it could be a amazing gpu