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Radeon HD 6770 1GB vs Radeon HD 7750
Intro
The Radeon HD 6770 1GB comes with a core clock speed of 900 MHz and a GDDR5 memory speed of 1050 MHz. It also features a 128-bit bus, and makes use of a 40 nm design. It features 800 SPUs, 40 Texture Address Units, and 16 ROPs.Compare those specs to the Radeon HD 7750, which comes with a core clock frequency of 800 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit bus, and uses a 28 nm design. It features 512 SPUs, 32 Texture Address Units, and 16 Raster Operation Units.
Power Usage and Theoretical Benchmarks
Power Consumption (Max TDP)
| Radeon HD 7750 |
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55 Watts |
| Radeon HD 6770 1GB |
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108 Watts |
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Memory Bandwidth
As far as performance goes, the Radeon HD 7750 should theoretically be a small bit better than the Radeon HD 6770 1GB overall. (explain)
| Radeon HD 7750 |
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72000 MB/sec |
| Radeon HD 6770 1GB |
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67200 MB/sec |
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Texel Rate
The Radeon HD 6770 1GB should be a lot (approximately 41%) better at AF than the Radeon HD 7750. (explain)| Radeon HD 6770 1GB |
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36000 Mtexels/sec |
| Radeon HD 7750 |
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25600 Mtexels/sec |
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Pixel Rate
If using a high screen resolution is important to you, then the Radeon HD 6770 1GB is superior to the Radeon HD 7750, though only just barely. (explain)| Radeon HD 6770 1GB |
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14400 Mpixels/sec |
| Radeon HD 7750 |
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12800 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 6770 1GBAmazon.com
Check prices at:
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Radeon HD 7750Amazon.com
Check prices at:
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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 6770 1GB | Radeon HD 7750 |
|---|---|---|
| Manufacturer | AMD | AMD |
| Year | January 2011 | February 2012 |
| Code Name | Juniper XT | Cape Verde Pro |
| Memory | 1024 MB | 1024 MB |
| Core Speed | 900 MHz | 800 MHz |
| Memory Speed | 4200 MHz | 4500 MHz |
| Power (Max TDP) | 108 watts | 55 watts |
| Bandwidth | 67200 MB/sec | 72000 MB/sec |
| Texel Rate | 36000 Mtexels/sec | 25600 Mtexels/sec |
| Pixel Rate | 14400 Mpixels/sec | 12800 Mpixels/sec |
| Unified Shaders | 800 | 512 |
| Texture Mapping Units | 40 | 32 |
| Render Output Units | 16 | 16 |
| Bus Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit | 128-bit |
| Fab Process | 40 nm | 28 nm |
| Transistors | 1040 million | 1500 million |
| Bus | PCIe x16 | PCIe 3.0 x16 |
| DirectX Version | DirectX 11 | DirectX 11.1 |
| OpenGL Version | OpenGL 4.1 | OpenGL 4.2 |
Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 are processed per second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.
Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.
Radeon HD 6770 1GBAmazon.com
Check prices at:
|
Radeon HD 7750Amazon.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
5 Responses to “Radeon HD 6770 1GB vs Radeon HD 7750”[...] deutlich sparsamer. Man schaue sich mal die MAX TDP an (wobei die ja eh schon nie erreicht wird): Radeon HD 6770 1GB vs Radeon HD 7750 – Performance Comparison Benchmarks @ Hardware Compare Es geht hier darum, genau auf die Bedürfnisse einen PC zuzu schneiden. Größere Grafikkarten [...]
[...] von LongM Sicher dass die 265watt reichen? Für die graka? Radeon HD 6770 1GB vs Radeon HD 7750 – Performance Comparison Benchmarks @ Hardware Compare 55W max TDP, kein extra Stromanschluss am Netzteil... Was fürn i5 hast du und was für restliche [...]
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[...] Need help in choosing a graphics card 6770 vs 7750 a basic info.. Benchmarks just browse through all benchmarks.. with the fact in mind that 6770 is [...]
[...] lei en este "review" consume menos que una equivalente en precio como la 6770. Fuente: Radeon HD 6770 1GB vs Radeon HD 7750 – Performance Comparison Benchmarks @ Hardware Compare Ahora, no se si tendre algun problema meterle una Nvidia si tengo proce amd, es una ignoracia de [...]