GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX Vega 64
243%
243%
AMD Radeon HD 6990
41%
41%
AMD Radeon RX Vega 64 is approximately 202% faster
Technical Specifications
| Specification | AMD Radeon RX Vega 64 | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | Vega 10 | Antilles x2 |
| CoresDifferent | 4096 | 1536 x2 |
| TMUsDifferent | 256 | 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 64 | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | Vega 10 | Antilles |
| GPU VariantDifferent | Vega 10 XT(215-0894200) | 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 64 | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Aug 7th, 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 | 499 USD | 699 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 59 in our database | 47 in our database |
Clock Speeds
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1247 MHz | N/A |
| Boost ClockDifferent | 1546 MHz | N/A |
| SOC ClockDifferent | 960 MHz | N/A |
| Memory ClockDifferent | 945 MHz1890 Mbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 2 GB |
| Memory TypeDifferent | HBM2 | GDDR5 |
| Memory BusDifferent | 2048 bit | 256 bit |
| BandwidthDifferent | 483.8 GB/s | 160.0 GB/s |
Render Config
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 4096 | 1536 |
| TMUsDifferent | 256 | 96 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 64 | 24 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 4 MB | 512 KB |
Theoretical Performance
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 98.94 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 395.8 GTexel/s | 79.68 GTexel/s |
| FP16 (half)Different | 25.33 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 12.66 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 791.6 GFLOPS (1:16) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX Vega 64 | 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 | 295 W | 375 W |
| Suggested PSUDifferent | 600 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 64 | 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 64
Compare AMD Radeon RX Vega 64 with other GPUs of similar performance
AMD Radeon RX Vega 64 vs Radeon RX 6600 XT
Radeon RX 6600 XT Performance120%
Radeon RX 6600 XT is 20% faster than AMD Radeon RX Vega 64
Compare Detailed Specs
AMD Radeon RX Vega 64 vs Radeon VII
Radeon VII Performance119%
Radeon VII is 19% faster than AMD Radeon RX Vega 64
Compare Detailed Specs
AMD Radeon RX Vega 64 vs Arc A750
Arc A750 Performance117%
Arc A750 is 17% faster than AMD Radeon RX Vega 64
Compare Detailed Specs
AMD Radeon RX Vega 64 vs GeForce RTX 2070
GeForce RTX 2070 Performance113%
GeForce RTX 2070 is 13% faster than AMD Radeon RX Vega 64
Compare Detailed Specs
AMD Radeon RX Vega 64 vs Radeon RX 6600
Radeon RX 6600 Performance108%
Radeon RX 6600 is 8% faster than AMD Radeon RX Vega 64
Compare Detailed Specs
AMD Radeon RX Vega 64 vs Arc A580
Arc A580 Performance105%
Arc A580 is 5% faster than AMD Radeon RX Vega 64
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