GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7770 GHz Edition
494%
494%
AMD Radeon HD 6670
54%
54%
AMD Radeon HD 7770 GHz Edition is approximately 440% faster
Technical Specifications
| Specification | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Cape Verde | Turks |
| CoresDifferent | 640 | 480 |
| TMUsDifferent | 40 | 24 |
| ROPsDifferent | 16 | 8 |
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Cape Verde | Turks |
| GPU VariantDifferent | Cape Verde XT(215-0825117) | Turks XT(215-0803000) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 1,500 million | 716 million |
| DensityDifferent | 12.2M / mm² | 6.1M / mm² |
| Die SizeDifferent | 123 mm² | 118 mm² |
| Chip Package | FCBGA-962 | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Feb 15th, 2012 | Apr 19th, 2011 |
| GenerationDifferent | Southern Islands(HD 7700) | Northern Islands(HD 6600) |
| PredecessorDifferent | Northern Islands | Evergreen |
| SuccessorDifferent | Sea Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 159 USD | 99 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 97 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | 800 MHz |
| Memory ClockDifferent | 1125 MHz4.5 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Memory Size | 1024 MB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128 bit | 128 bit |
| BandwidthDifferent | 72.00 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 640 | 480 |
| TMUsDifferent | 40 | 24 |
| ROPsDifferent | 16 | 8 |
| Compute UnitsDifferent | 10 | 6 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 256 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 16.00 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 40.00 GTexel/s | 19.20 GTexel/s |
| FP32 (float)Different | 1,280.0 GFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 80.00 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 210 mm8.3 inches | 168 mm6.6 inches |
| TDPDifferent | 80 W | 66 W |
| Suggested PSU | 250 W | 250 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 1x 6-pin | None |
| Board NumberDifferent | 109-C44157-00C, C468 | 109-C33437-00 |
Graphics Features
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon HD 6670 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 (1.2) | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 (5.1) | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
45
Detailed Features
More Comparisons with AMD Radeon HD 7770 GHz Edition
Compare AMD Radeon HD 7770 GHz Edition with other GPUs of similar performance
AMD Radeon HD 7770 GHz Edition vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance119%
GeForce GTX 650 Ti is 19% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 5850
Radeon HD 5850 Performance117%
Radeon HD 5850 is 17% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 285
GeForce GTX 285 Performance109%
GeForce GTX 285 is 9% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 6850
Radeon HD 6850 Performance107%
Radeon HD 6850 is 7% faster than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs GeForce GTX 280
GeForce GTX 280 Performance100%
GeForce GTX 280 is 0% slower than AMD Radeon HD 7770 GHz Edition
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AMD Radeon HD 7770 GHz Edition vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance100%
Radeon HD 7770 GHz Edition is 0% slower than AMD Radeon HD 7770 GHz Edition
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More Comparisons with AMD Radeon HD 6670
Compare AMD Radeon HD 6670 with other GPUs of similar performance
AMD Radeon HD 6670 vs GeForce GTS 250
GeForce GTS 250 Performance119%
GeForce GTS 250 is 19% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4850
Radeon HD 4850 Performance116%
Radeon HD 4850 is 16% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4770
Radeon HD 4770 Performance110%
Radeon HD 4770 is 10% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 4830
Radeon HD 4830 Performance103%
Radeon HD 4830 is 3% faster than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs Radeon HD 6670
Radeon HD 6670 Performance100%
Radeon HD 6670 is 0% slower than AMD Radeon HD 6670
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AMD Radeon HD 6670 vs GeForce 9800 GT
GeForce 9800 GT Performance96%
GeForce 9800 GT is 4% slower than AMD Radeon HD 6670
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