GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX Vega 64
167%
167%
AMD Radeon HD 7990
60%
60%
AMD Radeon RX Vega 64 is approximately 107% faster
Technical Specifications
| Specification | AMD Radeon RX Vega 64 | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | Vega 10 | Malta x2 |
| CoresDifferent | 4096 | 2048 x2 |
| TMUsDifferent | 256 | 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 64 | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | Vega 10 | Malta |
| GPU VariantDifferent | Vega 10 XT(215-0894200) | 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 64 | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Aug 7th, 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 | 499 USD | 999 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 59 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1247 MHz | 950 MHz |
| Boost ClockDifferent | 1546 MHz | 1000 MHz |
| SOC ClockDifferent | 960 MHz | N/A |
| Memory ClockDifferent | 945 MHz1890 Mbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 3 GB |
| Memory TypeDifferent | HBM2 | GDDR5 |
| Memory BusDifferent | 2048 bit | 384 bit |
| BandwidthDifferent | 483.8 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 4096 | 2048 |
| TMUsDifferent | 256 | 128 |
| ROPsDifferent | 64 | 32 |
| Compute UnitsDifferent | 64 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 4 MB | 768 KB |
Theoretical Performance
| Feature | AMD Radeon RX Vega 64 | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 98.94 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 395.8 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 25.33 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 12.66 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 791.6 GFLOPS (1:16) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX Vega 64 | 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 | 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-C47637-00A_02 |
Graphics Features
| Feature | AMD Radeon RX Vega 64 | 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 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
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AMD Radeon RX Vega 64 vs Radeon VII
Radeon VII Performance119%
Radeon VII is 19% faster than AMD Radeon RX Vega 64
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AMD Radeon RX Vega 64 vs Arc A750
Arc A750 Performance117%
Arc A750 is 17% faster than AMD Radeon RX Vega 64
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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
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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
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AMD Radeon RX Vega 64 vs Arc A580
Arc A580 Performance105%
Arc A580 is 5% faster than AMD Radeon RX Vega 64
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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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