GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 270X
207%
207%
AMD Radeon HD 6790
48%
48%
AMD Radeon R9 270X is approximately 159% faster
Technical Specifications
| Specification | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| Graphics ProcessorDifferent | Curacao | Barts |
| CoresDifferent | 1280 | 800 |
| TMUsDifferent | 80 | 40 |
| ROPsDifferent | 32 | 16 |
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| GPU NameDifferent | Curacao | Barts |
| GPU VariantDifferent | Curacao XT(215-0848004) | Barts LE(215-0798002) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 2,800 million | 1,700 million |
| DensityDifferent | 13.2M / mm² | 6.7M / mm² |
| Die SizeDifferent | 212 mm² | 255 mm² |
| Chip PackageDifferent | FCBGA-1737 | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Apr 4th, 2011 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6700) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 199 USD | 149 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 90 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1400 MHz5.6 Gbps effective | 1050 MHz4.2 Gbps effective |
| GPU ClockDifferent | N/A | 840 MHz |
Memory
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 179.2 GB/s | 134.4 GB/s |
Render Config
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| Shading UnitsDifferent | 1280 | 800 |
| TMUsDifferent | 80 | 40 |
| ROPsDifferent | 32 | 16 |
| Compute UnitsDifferent | 20 | 10 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 512 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 13.44 GPixel/s |
| Texture RateDifferent | 84.00 GTexel/s | 33.60 GTexel/s |
| FP32 (float)Different | 2.688 TFLOPS | 1,344.0 GFLOPS |
| FP64 (double)Different | 168.0 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 198 mm7.8 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 180 W | 150 W |
| Suggested PSU | 450 W | 450 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Board NumberDifferent | C631, 109-C63257-00A_02, 109-C63257-12_02 | C220, 109-C22237-00 |
Graphics Features
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6790 |
|---|---|---|
| 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
49
Detailed Features
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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More Comparisons with AMD Radeon HD 6790
Compare AMD Radeon HD 6790 with other GPUs of similar performance
AMD Radeon HD 6790 vs GeForce GTX 285
GeForce GTX 285 Performance119%
GeForce GTX 285 is 19% faster than AMD Radeon HD 6790
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AMD Radeon HD 6790 vs Radeon HD 6850
Radeon HD 6850 Performance116%
Radeon HD 6850 is 16% faster than AMD Radeon HD 6790
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AMD Radeon HD 6790 vs GeForce GTX 280
GeForce GTX 280 Performance109%
GeForce GTX 280 is 9% faster than AMD Radeon HD 6790
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AMD Radeon HD 6790 vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance109%
Radeon HD 7770 GHz Edition is 9% faster than AMD Radeon HD 6790
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AMD Radeon HD 6790 vs GeForce GTX 275
GeForce GTX 275 Performance108%
GeForce GTX 275 is 8% faster than AMD Radeon HD 6790
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AMD Radeon HD 6790 vs GeForce GTX 460
GeForce GTX 460 Performance106%
GeForce GTX 460 is 6% faster than AMD Radeon HD 6790
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