GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX Vega 56
212%
212%
AMD Radeon HD 6990
47%
47%
AMD Radeon RX Vega 56 is approximately 165% faster
Technical Specifications
| Specification | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | Vega 10 | Antilles x2 |
| CoresDifferent | 3584 | 1536 x2 |
| TMUsDifferent | 224 | 96 x2 |
| ROPsDifferent | 64 | 32 x2 |
| Memory SizeDifferent | 8 GB | 2 GB x2 |
| Memory TypeDifferent | HBM2 | GDDR5 |
| Bus WidthDifferent | 2048 bit | 256 bit x2 |
Graphics Processor
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | Vega 10 | Antilles |
| GPU VariantDifferent | Vega 10 XL(215-0894216) | Antilles XT(215-0807027) |
| ArchitectureDifferent | GCN 5.0 | TeraScale 3 |
| FoundryDifferent | GlobalFoundries | TSMC |
| Process SizeDifferent | 14 nm | 40 nm |
| TransistorsDifferent | 12,500 million | 2,640 million |
| DensityDifferent | 25.3M / mm² | 6.8M / mm² |
| Die SizeDifferent | 495 mm² | 389 mm² |
| Chip PackageDifferent | BGA-2013 | N/A |
Graphics Card
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Aug 14th, 2017 | Mar 8th, 2011 |
| GenerationDifferent | Vega(RX Vega) | Northern Islands(HD 6900) |
| PredecessorDifferent | Polaris | Evergreen |
| SuccessorDifferent | Navi | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 399 USD | 699 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 23 in our database | 47 in our database |
Clock Speeds
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1156 MHz | N/A |
| Boost ClockDifferent | 1471 MHz | N/A |
| SOC ClockDifferent | 960 MHz | N/A |
| Memory ClockDifferent | 800 MHz1600 Mbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory TypeDifferent | HBM2 | GDDR5 |
| Memory BusDifferent | 2048 bit | 256 bit |
| BandwidthDifferent | 409.6 GB/s | 160.0 GB/s |
Render Config
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 3584 | 1536 |
| TMUsDifferent | 224 | 96 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 56 | 24 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 4 MB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 94.14 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 329.5 GTexel/s | 79.68 GTexel/s |
| FP16 (half)Different | 21.09 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.54 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 659.0 GFLOPS (1:16) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 280 mm11 inches | 310 mm12.2 inches |
| HeightDifferent | 111 mm4.4 inches | 115 mm4.5 inches |
| Width | 40 mm1.6 inches | 40 mm1.6 inches |
| TDPDifferent | 210 W | 375 W |
| Suggested PSUDifferent | 550 W | 750 W |
| OutputsDifferent | 1x HDMI 2.0b3x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Board NumberDifferent | 109-D05057-00_02 | 109-C20647-00 |
Graphics Features
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 6990 |
|---|---|---|
| DirectXDifferent | 12 (12_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 2.1 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| Shader ModelDifferent | 6.7 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
52
Detailed Features
More Comparisons with AMD Radeon RX Vega 56
Compare AMD Radeon RX Vega 56 with other GPUs of similar performance
AMD Radeon RX Vega 56 vs Arc A580
Arc A580 Performance120%
Arc A580 is 20% faster than AMD Radeon RX Vega 56
Compare Detailed Specs
AMD Radeon RX Vega 56 vs GeForce RTX 2060 SUPER
GeForce RTX 2060 SUPER Performance120%
GeForce RTX 2060 SUPER is 20% faster than AMD Radeon RX Vega 56
Compare Detailed Specs
AMD Radeon RX Vega 56 vs Radeon RX Vega 64
Radeon RX Vega 64 Performance115%
Radeon RX Vega 64 is 15% faster than AMD Radeon RX Vega 56
Compare Detailed Specs
AMD Radeon RX Vega 56 vs GeForce RTX 2060
GeForce RTX 2060 Performance111%
GeForce RTX 2060 is 11% faster than AMD Radeon RX Vega 56
Compare Detailed Specs
AMD Radeon RX Vega 56 vs Radeon RX 5700
Radeon RX 5700 Performance110%
Radeon RX 5700 is 10% faster than AMD Radeon RX Vega 56
Compare Detailed Specs
AMD Radeon RX Vega 56 vs GeForce GTX 1080
GeForce GTX 1080 Performance108%
GeForce GTX 1080 is 8% faster than AMD Radeon RX Vega 56
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