GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 280X
286%
286%
AMD Radeon HD 6790
35%
35%
AMD Radeon R9 280X is approximately 251% faster
Technical Specifications
| Specification | AMD Radeon R9 280X | AMD Radeon HD 6790 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Barts |
| CoresDifferent | 2048 | 800 |
| TMUsDifferent | 128 | 40 |
| ROPsDifferent | 32 | 16 |
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6790 |
|---|---|---|
| GPU NameDifferent | Tahiti | Barts |
| GPU VariantDifferent | Tahiti XTL(215-0821065) | Barts LE(215-0798002) |
| ArchitectureDifferent | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 4,313 million | 1,700 million |
| DensityDifferent | 12.3M / mm² | 6.7M / mm² |
| Die SizeDifferent | 352 mm² | 255 mm² |
| Chip PackageDifferent | N/A | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon R9 280X | 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 | 299 USD | 149 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 105 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6790 |
|---|---|---|
| Base ClockDifferent | 850 MHz | N/A |
| Boost ClockDifferent | 1000 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1050 MHz4.2 Gbps effective |
| GPU ClockDifferent | N/A | 840 MHz |
Memory
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6790 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 288.0 GB/s | 134.4 GB/s |
Render Config
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6790 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 800 |
| TMUsDifferent | 128 | 40 |
| ROPsDifferent | 32 | 16 |
| Compute UnitsDifferent | 32 | 10 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6790 |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 13.44 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 33.60 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 1,344.0 GFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | N/A |
Board Design
| Feature | AMD Radeon R9 280X | AMD Radeon HD 6790 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 198 mm7.8 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 250 W | 150 W |
| Suggested PSUDifferent | 600 W | 450 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | C386 | C220, 109-C22237-00 |
Graphics Features
| Feature | AMD Radeon R9 280X | 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 280X
Compare AMD Radeon R9 280X with other GPUs of similar performance
AMD Radeon R9 280X vs GeForce GTX 1650
GeForce GTX 1650 Performance116%
GeForce GTX 1650 is 16% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Radeon RX 6400
Radeon RX 6400 Performance114%
Radeon RX 6400 is 14% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Arc A380
Arc A380 Performance113%
Arc A380 is 13% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs GeForce GTX 780
GeForce GTX 780 Performance112%
GeForce GTX 780 is 12% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance102%
Radeon HD 7970 GHz Edition is 2% faster than AMD Radeon R9 280X
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AMD Radeon R9 280X vs GeForce GTX 590
GeForce GTX 590 Performance101%
GeForce GTX 590 is 1% faster than AMD Radeon R9 280X
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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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