GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 280X
112%
112%
AMD Radeon R9 285
89%
89%
AMD Radeon R9 280X is approximately 23% faster
Technical Specifications
| Specification | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | Tahiti | Tonga |
| CoresDifferent | 2048 | 1792 |
| TMUsDifferent | 128 | 112 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | Tahiti | Tonga |
| GPU VariantDifferent | Tahiti XTL(215-0821065) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | GCN 1.0 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 4,313 million | 5,000 million |
| DensityDifferent | 12.3M / mm² | 13.7M / mm² |
| Die SizeDifferent | 352 mm² | 366 mm² |
Graphics Card
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Oct 8th, 2013 | Sep 2nd, 2014 |
| Generation | Volcanic Islands(R9 200) | Volcanic Islands(R9 200) |
| Predecessor | Sea Islands | Sea Islands |
| Successor | Pirate Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 299 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 105 in our database | 59 in our database |
Clock Speeds
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| Base ClockDifferent | 850 MHz | N/A |
| Boost ClockDifferent | 1000 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1375 MHz5.5 Gbps effective |
| GPU ClockDifferent | N/A | 918 MHz |
Memory
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 288.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1792 |
| TMUsDifferent | 128 | 112 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 28 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 768 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | 205.6 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
Board Design
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 221 mm8.7 inches |
| Height | 109 mm4.3 inches | 109 mm4.3 inches |
| Width | 36 mm1.4 inches | 36 mm1.4 inches |
| TDPDifferent | 250 W | 190 W |
| Suggested PSUDifferent | 600 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board NumberDifferent | C386 | C766 |
Graphics Features
| Feature | AMD Radeon R9 280X | AMD Radeon R9 285 |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 (1.2) | 2.1 |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader ModelDifferent | 6.5 (5.1) | 6.5 |
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 R9 285
Compare AMD Radeon R9 285 with other GPUs of similar performance
AMD Radeon R9 285 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance114%
Radeon HD 7970 GHz Edition is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance104%
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
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