GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 285
1235%
1235%
AMD Radeon HD 6450
8%
8%
AMD Radeon R9 285 is approximately 1227% faster
Technical Specifications
| Specification | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| Graphics ProcessorDifferent | Tonga | Caicos |
| CoresDifferent | 1792 | 160 |
| TMUsDifferent | 112 | 8 |
| ROPsDifferent | 32 | 4 |
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Bus WidthDifferent | 256 bit | 64 bit |
Graphics Processor
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| GPU NameDifferent | Tonga | Caicos |
| GPU VariantDifferent | Tonga PRO(215-0851128) | Caicos PRO |
| ArchitectureDifferent | GCN 3.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 5,000 million | 370 million |
| DensityDifferent | 13.7M / mm² | 5.5M / mm² |
| Die SizeDifferent | 366 mm² | 67 mm² |
| Chip PackageDifferent | N/A | FCBGA-631 |
Graphics Card
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| Release DateDifferent | Sep 2nd, 2014 | Apr 7th, 2011 |
| GenerationDifferent | Volcanic Islands(R9 200) | Northern Islands(HD 6400) |
| PredecessorDifferent | Sea Islands | Evergreen |
| SuccessorDifferent | Pirate Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 55 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 59 in our database | 14 in our database |
Clock Speeds
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| GPU ClockDifferent | 918 MHz | 625 MHz |
| Memory ClockDifferent | 1375 MHz5.5 Gbps effective | 500 MHz1000 Mbps effective |
Memory
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| Memory SizeDifferent | 2 GB | 512 MB |
| Memory TypeDifferent | GDDR5 | GDDR3 |
| Memory BusDifferent | 256 bit | 64 bit |
| BandwidthDifferent | 176.0 GB/s | 8.000 GB/s |
Render Config
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| Shading UnitsDifferent | 1792 | 160 |
| TMUsDifferent | 112 | 8 |
| ROPsDifferent | 32 | 4 |
| Compute UnitsDifferent | 28 | 2 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 512 KB | 128 KB |
Theoretical Performance
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| Pixel RateDifferent | 29.38 GPixel/s | 2.500 GPixel/s |
| Texture RateDifferent | 102.8 GTexel/s | 5.000 GTexel/s |
| FP16 (half)Different | 3.290 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 3.290 TFLOPS | 200.0 GFLOPS |
| FP64 (double)Different | 205.6 GFLOPS (1:16) | N/A |
Board Design
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 221 mm8.7 inches | 168 mm6.6 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 190 W | 18 W |
| Suggested PSUDifferent | 450 W | 200 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.3a1x VGA |
| Power ConnectorsDifferent | 2x 6-pin | None |
| Board NumberDifferent | C766 | 109-C26037-00A |
Graphics Features
| Feature | AMD Radeon R9 285 | AMD Radeon HD 6450 |
|---|---|---|
| DirectXDifferent | 12 (12_0) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.2.170 | N/A |
| Shader ModelDifferent | 6.5 | 5.0 |
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 6450
Compare AMD Radeon HD 6450 with other GPUs of similar performance
AMD Radeon HD 6450 vs GeForce GT 520
GeForce GT 520 Performance106%
GeForce GT 520 is 6% faster than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 5450
Radeon HD 5450 Performance85%
Radeon HD 5450 is 15% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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AMD Radeon HD 6450 vs Radeon HD 6450
Radeon HD 6450 Performance100%
Radeon HD 6450 is 0% slower than AMD Radeon HD 6450
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