GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
99%
99%
AMD Radeon HD 7970
114%
114%
AMD Radeon HD 7970 is approximately 15% faster
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon HD 7970 |
|---|---|---|
| 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 HD 7970 |
|---|---|---|
| GPU NameDifferent | Tonga | Tahiti |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Tahiti XT(215-0821060) |
| 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 HD 7970 |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Jan 9th, 2012 |
| 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 | 249 USD | 549 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 59 in our database | 191 in our database |
| AnnouncedDifferent | N/A | Dec 22nd, 2011 |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7970 |
|---|---|---|
| GPU ClockDifferent | 918 MHz | 925 MHz |
| Memory Clock | 1375 MHz5.5 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7970 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 176.0 GB/s | 264.0 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7970 |
|---|---|---|
| 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 HD 7970 |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 29.60 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 118.4 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 3.789 TFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | 947.2 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7970 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 221 mm8.7 inches | 275 mm10.8 inches |
| HeightDifferent | 109 mm4.3 inches | 111 mm4.4 inches |
| WidthDifferent | 36 mm1.4 inches | 38 mm1.5 inches |
| TDPDifferent | 190 W | 250 W |
| Suggested PSUDifferent | 450 W | 600 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | C766 | 109-C38637-00 |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon HD 7970 |
|---|---|---|
| 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
48
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 HD 7970
Compare AMD Radeon HD 7970 with other GPUs of similar performance
AMD Radeon HD 7970 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance113%
Radeon HD 7970 GHz Edition is 13% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 590
GeForce GTX 590 Performance113%
GeForce GTX 590 is 13% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon R9 280X
Radeon R9 280X Performance111%
Radeon R9 280X is 11% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs Radeon HD 6990
Radeon HD 6990 Performance109%
Radeon HD 6990 is 9% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance103%
GeForce GTX 1050 Ti is 3% faster than AMD Radeon HD 7970
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AMD Radeon HD 7970 vs GeForce GTX 680
GeForce GTX 680 Performance101%
GeForce GTX 680 is 1% faster than AMD Radeon HD 7970
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