GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7770 GHz Edition
140%
140%
AMD Radeon R9 270X
191%
191%
AMD Radeon R9 270X is approximately 51% faster
Technical Specifications
| Specification | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| Graphics ProcessorDifferent | Cape Verde | Curacao |
| CoresDifferent | 640 | 1280 |
| TMUsDifferent | 40 | 80 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 128 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| GPU NameDifferent | Cape Verde | Curacao |
| GPU VariantDifferent | Cape Verde XT(215-0825117) | Curacao XT(215-0848004) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 1,500 million | 2,800 million |
| DensityDifferent | 12.2M / mm² | 13.2M / mm² |
| Die SizeDifferent | 123 mm² | 212 mm² |
| Chip PackageDifferent | FCBGA-962 | FCBGA-1737 |
Graphics Card
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| Release DateDifferent | Feb 15th, 2012 | Oct 8th, 2013 |
| GenerationDifferent | Southern Islands(HD 7700) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Northern Islands | Sea Islands |
| SuccessorDifferent | Sea Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 159 USD | 199 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 97 in our database | 90 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | N/A |
| Memory ClockDifferent | 1125 MHz4.5 Gbps effective | 1400 MHz5.6 Gbps effective |
| Base ClockDifferent | N/A | 1000 MHz |
| Boost ClockDifferent | N/A | 1050 MHz |
Memory
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 128 bit | 256 bit |
| BandwidthDifferent | 72.00 GB/s | 179.2 GB/s |
Render Config
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| Shading UnitsDifferent | 640 | 1280 |
| TMUsDifferent | 40 | 80 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 20 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| Pixel RateDifferent | 16.00 GPixel/s | 33.60 GPixel/s |
| Texture RateDifferent | 40.00 GTexel/s | 84.00 GTexel/s |
| FP32 (float)Different | 1,280.0 GFLOPS | 2.688 TFLOPS |
| FP64 (double)Different | 80.00 GFLOPS (1:16) | 168.0 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 210 mm8.3 inches | 241 mm9.5 inches |
| TDPDifferent | 80 W | 180 W |
| Suggested PSUDifferent | 250 W | 450 W |
| OutputsDifferent | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-C44157-00C, C468 | C631, 109-C63257-00A_02, 109-C63257-12_02 |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | AMD Radeon HD 7770 GHz Edition | AMD Radeon R9 270X |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 (1.2) |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
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 R9 270X
Compare AMD Radeon R9 270X with other GPUs of similar performance
AMD Radeon R9 270X vs GeForce GTX 960
GeForce GTX 960 Performance119%
GeForce GTX 960 is 19% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 670
GeForce GTX 670 Performance116%
GeForce GTX 670 is 16% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs Radeon HD 5970
Radeon HD 5970 Performance105%
Radeon HD 5970 is 5% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 1630
GeForce GTX 1630 Performance105%
GeForce GTX 1630 is 5% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 1050
GeForce GTX 1050 Performance103%
GeForce GTX 1050 is 3% faster than AMD Radeon R9 270X
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AMD Radeon R9 270X vs GeForce GTX 760
GeForce GTX 760 Performance102%
GeForce GTX 760 is 2% faster than AMD Radeon R9 270X
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