GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390X
359%
359%
AMD Radeon HD 6850
28%
28%
AMD Radeon R9 390X is approximately 331% faster
Technical Specifications
| Specification | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Barts |
| CoresDifferent | 2816 | 960 |
| TMUsDifferent | 176 | 48 |
| ROPsDifferent | 64 | 32 |
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 512 bit | 256 bit |
Graphics Processor
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | Grenada | Barts |
| GPU VariantDifferent | Grenada XT(215-0880004) | Barts PRO(215-0798006) |
| ArchitectureDifferent | GCN 2.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 6,200 million | 1,700 million |
| DensityDifferent | 14.2M / mm² | 6.7M / mm² |
| Die SizeDifferent | 438 mm² | 255 mm² |
| Chip PackageDifferent | N/A | HFCBGA-1737 |
Graphics Card
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Oct 21st, 2010 |
| GenerationDifferent | Pirate Islands(R9 300) | Northern Islands(HD 6800) |
| PredecessorDifferent | Volcanic Islands | Evergreen |
| SuccessorDifferent | Arctic Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 429 USD | 179 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 60 in our database | 105 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| GPU ClockDifferent | 1050 MHz | 775 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1000 MHz4 Gbps effective |
Memory
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 512 bit | 256 bit |
| BandwidthDifferent | 384.0 GB/s | 128.0 GB/s |
Render Config
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 2816 | 960 |
| TMUsDifferent | 176 | 48 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 44 | 12 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| Pixel RateDifferent | 67.20 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 184.8 GTexel/s | 37.20 GTexel/s |
| FP32 (float)Different | 5.914 TFLOPS | 1,488.0 GFLOPS |
| FP64 (double)Different | 739.2 GFLOPS (1:8) | N/A |
Board Design
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 198 mm7.8 inches |
| HeightDifferent | 109 mm4.3 inches | N/A |
| WidthDifferent | 36 mm1.4 inches | N/A |
| TDPDifferent | 275 W | 127 W |
| Suggested PSUDifferent | 600 W | 300 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 1x 6-pin |
| Board NumberDifferent | 109-C67157-00_02, C679-37 | 109-C22301-00B |
Graphics Features
| Feature | AMD Radeon R9 390X | AMD Radeon HD 6850 |
|---|---|---|
| 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
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
Compare Detailed Specs
AMD Radeon R9 390X vs Radeon RX 590
Radeon RX 590 Performance112%
Radeon RX 590 is 12% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs Radeon R9 FURY
Radeon R9 FURY Performance110%
Radeon R9 FURY is 10% faster than AMD Radeon R9 390X
Compare Detailed Specs
AMD Radeon R9 390X vs GeForce GTX 980
GeForce GTX 980 Performance108%
GeForce GTX 980 is 8% faster than AMD Radeon R9 390X
Compare Detailed Specs
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 HD 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 Performance116%
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance111%
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
Compare Detailed Specs