GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 270X
353%
353%
AMD Radeon HD 6670
28%
28%
AMD Radeon R9 270X is approximately 325% faster
Technical Specifications
| Specification | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| Graphics ProcessorDifferent | Curacao | Turks |
| CoresDifferent | 1280 | 480 |
| TMUsDifferent | 80 | 24 |
| ROPsDifferent | 32 | 8 |
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 128 bit |
Graphics Processor
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| GPU NameDifferent | Curacao | Turks |
| GPU VariantDifferent | Curacao XT(215-0848004) | Turks XT(215-0803000) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 2,800 million | 716 million |
| DensityDifferent | 13.2M / mm² | 6.1M / mm² |
| Die SizeDifferent | 212 mm² | 118 mm² |
| Chip PackageDifferent | FCBGA-1737 | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Apr 19th, 2011 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6600) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 199 USD | 99 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 90 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1050 MHz | N/A |
| Memory ClockDifferent | 1400 MHz5.6 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 128 bit |
| BandwidthDifferent | 179.2 GB/s | 64.00 GB/s |
Render Config
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| Shading UnitsDifferent | 1280 | 480 |
| TMUsDifferent | 80 | 24 |
| ROPsDifferent | 32 | 8 |
| Compute UnitsDifferent | 20 | 6 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| Pixel RateDifferent | 33.60 GPixel/s | 6.400 GPixel/s |
| Texture RateDifferent | 84.00 GTexel/s | 19.20 GTexel/s |
| FP32 (float)Different | 2.688 TFLOPS | 768.0 GFLOPS |
| FP64 (double)Different | 168.0 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon R9 270X | AMD Radeon HD 6670 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 241 mm9.5 inches | 168 mm6.6 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 180 W | 66 W |
| Suggested PSUDifferent | 450 W | 250 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | C631, 109-C63257-00A_02, 109-C63257-12_02 | 109-C33437-00 |
Graphics Features
| Feature | AMD Radeon R9 270X | 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
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 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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