GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX Vega 56
145%
145%
AMD Radeon HD 7990
69%
69%
AMD Radeon RX Vega 56 is approximately 76% faster
Technical Specifications
| Specification | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | Vega 10 | Malta x2 |
| CoresDifferent | 3584 | 2048 x2 |
| TMUsDifferent | 224 | 128 x2 |
| ROPsDifferent | 64 | 32 x2 |
| Memory SizeDifferent | 8 GB | 3 GB x2 |
| Memory TypeDifferent | HBM2 | GDDR5 |
| Bus WidthDifferent | 2048 bit | 384 bit x2 |
Graphics Processor
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | Vega 10 | Malta |
| GPU VariantDifferent | Vega 10 XL(215-0894216) | Malta XT(215-0849026) |
| ArchitectureDifferent | GCN 5.0 | GCN 1.0 |
| FoundryDifferent | GlobalFoundries | TSMC |
| Process SizeDifferent | 14 nm | 28 nm |
| TransistorsDifferent | 12,500 million | 4,313 million |
| DensityDifferent | 25.3M / mm² | 11.8M / mm² |
| Die SizeDifferent | 495 mm² | 365 mm² |
| Chip PackageDifferent | BGA-2013 | N/A |
Graphics Card
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Aug 14th, 2017 | Apr 24th, 2013 |
| GenerationDifferent | Vega(RX Vega) | Southern Islands(HD 7900) |
| PredecessorDifferent | Polaris | Northern Islands |
| SuccessorDifferent | Navi | Sea Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 399 USD | 999 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 23 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1156 MHz | 950 MHz |
| Boost ClockDifferent | 1471 MHz | 1000 MHz |
| SOC ClockDifferent | 960 MHz | N/A |
| Memory ClockDifferent | 800 MHz1600 Mbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 3 GB |
| Memory TypeDifferent | HBM2 | GDDR5 |
| Memory BusDifferent | 2048 bit | 384 bit |
| BandwidthDifferent | 409.6 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 3584 | 2048 |
| TMUsDifferent | 224 | 128 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 56 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 4 MB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 94.14 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 329.5 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 21.09 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.54 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 659.0 GFLOPS (1:16) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 280 mm11 inches | 304 mm12 inches |
| HeightDifferent | 111 mm4.4 inches | 106 mm4.2 inches |
| WidthDifferent | 40 mm1.6 inches | 38 mm1.5 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-C47637-00A_02 |
Graphics Features
| Feature | AMD Radeon RX Vega 56 | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 12 (12_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.175 |
| Shader ModelDifferent | 6.7 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
51
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
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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
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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
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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
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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
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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
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More Comparisons with AMD Radeon HD 7990
Compare AMD Radeon HD 7990 with other GPUs of similar performance
AMD Radeon HD 7990 vs Radeon RX 590
Radeon RX 590 Performance115%
Radeon RX 590 is 15% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance110%
GeForce GTX 1650 SUPER is 10% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance109%
Radeon RX 6500 XT is 9% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance108%
Radeon RX 5500 XT is 8% faster than AMD Radeon HD 7990
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