GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 280X
70%
70%
AMD Radeon HD 7990
143%
143%
AMD Radeon HD 7990 is approximately 73% faster
Technical Specifications
| Specification | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Malta x2 |
| CoresDifferent | 2048 | 2048 x2 |
| TMUsDifferent | 128 | 128 x2 |
| ROPsDifferent | 32 | 32 x2 |
| Memory SizeDifferent | 3 GB | 3 GB x2 |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 384 bit x2 |
Graphics Processor
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | Tahiti | Malta |
| GPU VariantDifferent | Tahiti XTL(215-0821065) | Malta XT(215-0849026) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 4,313 million | 4,313 million |
| DensityDifferent | 12.3M / mm² | 11.8M / mm² |
| Die SizeDifferent | 352 mm² | 365 mm² |
Graphics Card
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Apr 24th, 2013 |
| GenerationDifferent | Volcanic Islands(R9 200) | Southern Islands(HD 7900) |
| PredecessorDifferent | Sea Islands | Northern Islands |
| SuccessorDifferent | Pirate Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 999 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 105 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 850 MHz | 950 MHz |
| Boost Clock | 1000 MHz | 1000 MHz |
| Memory Clock | 1500 MHz6 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| Memory Size | 3 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384 bit | 384 bit |
| Bandwidth | 288.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| Shading Units | 2048 | 2048 |
| TMUs | 128 | 128 |
| ROPs | 32 | 32 |
| Compute Units | 32 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 768 KB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| Pixel Rate | 32.00 GPixel/s | 32.00 GPixel/s |
| Texture Rate | 128.0 GTexel/s | 128.0 GTexel/s |
| FP32 (float) | 4.096 TFLOPS | 4.096 TFLOPS |
| FP64 (double) | 1,024.0 GFLOPS (1:4) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 304 mm12 inches |
| HeightDifferent | 109 mm4.3 inches | 106 mm4.2 inches |
| WidthDifferent | 36 mm1.4 inches | 38 mm1.5 inches |
| TDPDifferent | 250 W | 375 W |
| Suggested PSUDifferent | 600 W | 750 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| Board NumberDifferent | C386 | 109-C47637-00A_02 |
Graphics Features
| Feature | AMD Radeon R9 280X | AMD Radeon HD 7990 |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 (1.2) |
| VulkanDifferent | 1.2.170 | 1.2.175 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
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
Compare Detailed Specs
AMD Radeon R9 280X vs Radeon RX 6400
Radeon RX 6400 Performance114%
Radeon RX 6400 is 14% faster than AMD Radeon R9 280X
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon R9 280X vs GeForce GTX 590
GeForce GTX 590 Performance101%
GeForce GTX 590 is 1% faster than AMD Radeon R9 280X
Compare Detailed Specs
More Comparisons with AMD Radeon HD 7990
Compare AMD Radeon HD 7990 with other GPUs of similar performance
AMD Radeon HD 7990 vs Radeon RX 590
Radeon RX 590 Performance115%
Radeon RX 590 is 15% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance110%
GeForce GTX 1650 SUPER is 10% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance109%
Radeon RX 6500 XT is 9% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance108%
Radeon RX 5500 XT is 8% faster than AMD Radeon HD 7990
Compare Detailed Specs