GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 6850
30%
30%
AMD Radeon R9 390
359%
359%
AMD Radeon R9 390 is approximately 329% faster
Technical Specifications
| Specification | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| Graphics ProcessorDifferent | Barts | Grenada |
| CoresDifferent | 960 | 2560 |
| TMUsDifferent | 48 | 160 |
| ROPsDifferent | 32 | 64 |
| Memory SizeDifferent | 1024 MB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 512 bit |
Graphics Processor
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| GPU NameDifferent | Barts | Grenada |
| GPU VariantDifferent | Barts PRO(215-0798006) | Grenada PRO(215-0880030) |
| ArchitectureDifferent | TeraScale 2 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 40 nm | 28 nm |
| TransistorsDifferent | 1,700 million | 6,200 million |
| DensityDifferent | 6.7M / mm² | 14.2M / mm² |
| Die SizeDifferent | 255 mm² | 438 mm² |
| Chip PackageDifferent | HFCBGA-1737 | N/A |
Graphics Card
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| Release DateDifferent | Oct 21st, 2010 | Jun 18th, 2015 |
| GenerationDifferent | Northern Islands(HD 6800) | Pirate Islands(R9 300) |
| PredecessorDifferent | Evergreen | Volcanic Islands |
| SuccessorDifferent | Southern Islands | Arctic Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 179 USD | 329 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 105 in our database | 35 in our database |
Clock Speeds
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| GPU ClockDifferent | 775 MHz | 1000 MHz |
| Memory ClockDifferent | 1000 MHz4 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 8 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 512 bit |
| BandwidthDifferent | 128.0 GB/s | 384.0 GB/s |
Render Config
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| Shading UnitsDifferent | 960 | 2560 |
| TMUsDifferent | 48 | 160 |
| ROPsDifferent | 32 | 64 |
| Compute UnitsDifferent | 12 | 40 |
| L1 CacheDifferent | 8 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 512 KB | 1024 KB |
Theoretical Performance
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| Pixel RateDifferent | 24.80 GPixel/s | 64.00 GPixel/s |
| Texture RateDifferent | 37.20 GTexel/s | 160.0 GTexel/s |
| FP32 (float)Different | 1,488.0 GFLOPS | 5.120 TFLOPS |
| FP64 (double)Different | N/A | 640.0 GFLOPS (1:8) |
Board Design
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 198 mm7.8 inches | 275 mm10.8 inches |
| TDPDifferent | 127 W | 275 W |
| Suggested PSUDifferent | 300 W | 600 W |
| OutputsDifferent | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Board NumberDifferent | 109-C22301-00B | 109-C67157-00_02, C679 |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | AMD Radeon HD 6850 | AMD Radeon R9 390 |
|---|---|---|
| DirectXDifferent | 11.2 (11_0) | 12 (12_0) |
| OpenGLDifferent | 4.4 | 4.6 |
| OpenCLDifferent | 1.2 | 2.1 |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 5.0 | 6.5 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
Detailed Features
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
More Comparisons with AMD Radeon R9 390
Compare AMD Radeon R9 390 with other GPUs of similar performance
AMD Radeon R9 390 vs Radeon R9 FURY
Radeon R9 FURY Performance120%
Radeon R9 FURY is 20% faster than AMD Radeon R9 390
Compare Detailed Specs
AMD Radeon R9 390 vs GeForce GTX 980
GeForce GTX 980 Performance118%
GeForce GTX 980 is 18% faster than AMD Radeon R9 390
Compare Detailed Specs
AMD Radeon R9 390 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance117%
GeForce GTX 1650 SUPER is 17% faster than AMD Radeon R9 390
Compare Detailed Specs
AMD Radeon R9 390 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance116%
Radeon RX 6500 XT is 16% faster than AMD Radeon R9 390
Compare Detailed Specs
AMD Radeon R9 390 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance115%
Radeon RX 5500 XT is 15% faster than AMD Radeon R9 390
Compare Detailed Specs
AMD Radeon R9 390 vs Radeon RX 580
Radeon RX 580 Performance114%
Radeon RX 580 is 14% faster than AMD Radeon R9 390
Compare Detailed Specs