GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
89%
89%
AMD Radeon R9 280X
112%
112%
AMD Radeon R9 280X is approximately 23% faster
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| Graphics ProcessorDifferent | Tonga | Tahiti |
| CoresDifferent | 1792 | 2048 |
| TMUsDifferent | 112 | 128 |
| ROPs | 32 | 32 |
| Memory SizeDifferent | 2 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 384 bit |
Graphics Processor
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| GPU NameDifferent | Tonga | Tahiti |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Tahiti XTL(215-0821065) |
| ArchitectureDifferent | GCN 3.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 5,000 million | 4,313 million |
| DensityDifferent | 13.7M / mm² | 12.3M / mm² |
| Die SizeDifferent | 366 mm² | 352 mm² |
Graphics Card
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Oct 8th, 2013 |
| 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 | 249 USD | 299 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 59 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| GPU ClockDifferent | 918 MHz | N/A |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 1500 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 850 MHz |
| Boost ClockDifferent | N/A | 1000 MHz |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| Memory SizeDifferent | 2 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 176.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| Shading UnitsDifferent | 1792 | 2048 |
| TMUsDifferent | 112 | 128 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 28 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 512 KB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 221 mm8.7 inches | 275 mm10.8 inches |
| Height | 109 mm4.3 inches | 109 mm4.3 inches |
| Width | 36 mm1.4 inches | 36 mm1.4 inches |
| TDPDifferent | 190 W | 250 W |
| Suggested PSUDifferent | 450 W | 600 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | C766 | C386 |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon R9 280X |
|---|---|---|
| DirectXDifferent | 12 (12_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 | 2.1 (1.2) |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader ModelDifferent | 6.5 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
Detailed Features
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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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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