GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon R9 390
150%
150%
AMD Radeon HD 6990
73%
73%
AMD Radeon R9 390 is approximately 77% faster
Technical Specifications
| Specification | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | Grenada | Antilles x2 |
| CoresDifferent | 2560 | 1536 x2 |
| TMUsDifferent | 160 | 96 x2 |
| ROPsDifferent | 64 | 32 x2 |
| Memory SizeDifferent | 8 GB | 2 GB x2 |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 512 bit | 256 bit x2 |
Graphics Processor
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | Grenada | Antilles |
| GPU VariantDifferent | Grenada PRO(215-0880030) | Antilles XT(215-0807027) |
| ArchitectureDifferent | GCN 2.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 6,200 million | 2,640 million |
| DensityDifferent | 14.2M / mm² | 6.8M / mm² |
| Die SizeDifferent | 438 mm² | 389 mm² |
Graphics Card
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Jun 18th, 2015 | Mar 8th, 2011 |
| GenerationDifferent | Pirate Islands(R9 300) | Northern Islands(HD 6900) |
| PredecessorDifferent | Volcanic Islands | Evergreen |
| SuccessorDifferent | Arctic Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 329 USD | 699 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 35 in our database | 47 in our database |
Clock Speeds
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| GPU ClockDifferent | 1000 MHz | 830 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1250 MHz5 Gbps effective |
Memory
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 512 bit | 256 bit |
| BandwidthDifferent | 384.0 GB/s | 160.0 GB/s |
Render Config
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 2560 | 1536 |
| TMUsDifferent | 160 | 96 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 40 | 24 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 64.00 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 160.0 GTexel/s | 79.68 GTexel/s |
| FP32 (float)Different | 5.120 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 640.0 GFLOPS (1:8) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 275 mm10.8 inches | 310 mm12.2 inches |
| HeightDifferent | 109 mm4.3 inches | 115 mm4.5 inches |
| WidthDifferent | 36 mm1.4 inches | 40 mm1.6 inches |
| TDPDifferent | 275 W | 375 W |
| Suggested PSUDifferent | 600 W | 750 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| Board NumberDifferent | 109-C67157-00_02, C679 | 109-C20647-00 |
Graphics Features
| Feature | AMD Radeon R9 390 | AMD Radeon HD 6990 |
|---|---|---|
| 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
46
Detailed Features
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
More Comparisons with AMD Radeon HD 6990
Compare AMD Radeon HD 6990 with other GPUs of similar performance
AMD Radeon HD 6990 vs GeForce GTX 1650
GeForce GTX 1650 Performance119%
GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 Performance117%
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs Arc A380
Arc A380 Performance115%
Arc A380 is 15% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs GeForce GTX 780
GeForce GTX 780 Performance115%
GeForce GTX 780 is 15% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance104%
Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990
Compare Detailed Specs
AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 Performance104%
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990
Compare Detailed Specs