 |
 |
Radeon HD 5670 vs Radeon HD 6950 2GB
Intro
The Radeon HD 5670 has a core clock speed of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It features 400(80x5) SPUs, 20 TAUs, and 8 ROPs.Compare those specifications to the Radeon HD 6950 2GB, which features clock speeds of 800 MHz on the GPU, and 1250 MHz on the 2048 MB of GDDR5 memory. It features 1408 SPUs as well as 88 TAUs and 32 ROPs.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 5670 |
|
61 Watts |
| Radeon HD 6950 2GB |
|
200 Watts |
|
|
Memory Bandwidth
The Radeon HD 6950 2GB, in theory, should perform a lot faster than the Radeon HD 5670 overall. (explain)
| Radeon HD 6950 2GB |
|
160000 MB/sec |
| Radeon HD 5670 |
|
64000 MB/sec |
|
|
Texel Rate
The Radeon HD 6950 2GB is much (about 354%) more effective at AF than the Radeon HD 5670. (explain)| Radeon HD 6950 2GB |
|
70400 Mtexels/sec |
| Radeon HD 5670 |
|
15500 Mtexels/sec |
|
|
Pixel Rate
If running with lots of anti-aliasing is important to you, then the Radeon HD 6950 2GB is a better choice, by a large margin. (explain)| Radeon HD 6950 2GB |
|
25600 Mpixels/sec |
| Radeon HD 5670 |
|
6200 Mpixels/sec |
|
|
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 5670Amazon.com
Check prices at:
|
Radeon HD 6950 2GBAmazon.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.
Specifications
| Model | Radeon HD 5670 | Radeon HD 6950 2GB |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | January 14, 2010 | December 2010 |
| Code Name | Redwood XT | Cayman Pro |
| Memory | 1024 MB | 2048 MB |
| Core Speed | 775 MHz | 800 MHz |
| Memory Speed | 4000 MHz | 5000 MHz |
| Power (Max TDP) | 61 watts | 200 watts |
| Bandwidth | 64000 MB/sec | 160000 MB/sec |
| Texel Rate | 15500 Mtexels/sec | 70400 Mtexels/sec |
| Pixel Rate | 6200 Mpixels/sec | 25600 Mpixels/sec |
| Unified Shaders | 400(80x5) | 1408 |
| Texture Mapping Units | 20 | 88 |
| Render Output Units | 8 | 32 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit | 256-bit |
| Fab Process | 40 nm | 40 nm |
| Transistors | 627 million | 2640 million |
| Bus | PCIe 2.1 x16 | PCIe x16 |
| DirectX Version | DirectX 11 | DirectX 11 |
| OpenGL Version | OpenGL 3.2 | OpenGL 4.1 |
Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.
Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.
Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.
Radeon HD 5670Amazon.com
Check prices at:
|
Radeon HD 6950 2GBAmazon.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 5670 vs Radeon HD 6950 2GB”I will be making the jump from the 5670 to a 6950 the end of this week. Already upgraded system from 4gb of 500MHz DDR3 to 8gb of 1600MHz DDR3. This is gonna be pure sexy running Skyrim with the HD textures at full framerate with all features maxxed without any slowdown. 😀