GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390X
164%
164%
AMD Radeon R9 285
61%
61%
AMD Radeon R9 390X is approximately 103% faster
Technical Specifications
| Specification | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Tonga |
| CoresDifferent | 2816 | 1792 |
| TMUsDifferent | 176 | 112 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 512 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | Grenada | Tonga |
| GPU VariantDifferent | Grenada XT(215-0880004) | Tonga PRO(215-0851128) |
| ArchitectureDifferent | GCN 2.0 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 6,200 million | 5,000 million |
| DensityDifferent | 14.2M / mm² | 13.7M / mm² |
| Die SizeDifferent | 438 mm² | 366 mm² |
Graphics Card
| Feature | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Sep 2nd, 2014 |
| GenerationDifferent | Pirate Islands(R9 300) | Volcanic Islands(R9 200) |
| PredecessorDifferent | Volcanic Islands | Sea Islands |
| SuccessorDifferent | Arctic Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 429 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 60 in our database | 59 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| GPU ClockDifferent | 1050 MHz | 918 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1375 MHz5.5 Gbps effective |
Memory
| Feature | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 512 bit | 256 bit |
| BandwidthDifferent | 384.0 GB/s | 176.0 GB/s |
Render Config
| Feature | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 2816 | 1792 |
| TMUsDifferent | 176 | 112 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 44 | 28 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 67.20 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 184.8 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 5.914 TFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 739.2 GFLOPS (1:8) | 205.6 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
Board Design
| Feature | AMD Radeon R9 390X | 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 | 275 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 | 109-C67157-00_02, C679-37 | C766 |
Graphics Features
| Feature | AMD Radeon R9 390X | AMD Radeon R9 285 |
|---|---|---|
| DirectX | 12 (12_0) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2.170 | 1.2.170 |
| Shader Model | 6.5 | 6.5 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
More Comparisons with AMD Radeon R9 390X
Compare AMD Radeon R9 390X with other GPUs of similar performance
AMD Radeon R9 390X vs Radeon R9 FURY X
Radeon R9 FURY X Performance120%
Radeon R9 FURY X is 20% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs GeForce GTX 1660
GeForce GTX 1660 Performance119%
GeForce GTX 1660 is 19% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs Radeon RX 590
Radeon RX 590 Performance112%
Radeon RX 590 is 12% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs Radeon R9 FURY
Radeon R9 FURY Performance110%
Radeon R9 FURY is 10% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs GeForce GTX 980
GeForce GTX 980 Performance108%
GeForce GTX 980 is 8% faster than AMD Radeon R9 390X
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AMD Radeon R9 390X vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance107%
GeForce GTX 1650 SUPER is 7% faster than AMD Radeon R9 390X
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
Compare Detailed Specs
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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