amd
Brand3GB GDDR5
Memory2048
Cores288 GB/s
BandwidthAMD Radeon HD 7990
amd
Brand8GB HBM2
Memory3584
Cores409.6 GB/s
BandwidthAMD Radeon RX Vega 56
AMD Radeon HD 7990
Radeon HD 7990
$999 • Apr 2013
Radeon RX Vega 56
$399 • Aug 2017
AMD Radeon RX Vega 56
Specs Comparison
| Specification | AMD Radeon HD 7990 | AMD Radeon RX Vega 56 |
|---|---|---|
| Memory Size | 3 GB | 8 GB |
| Memory Type | GDDR5 | HBM2 |
| TDP | 375 W | 210 W |
| Core Clock | N/A | N/A |
| Boost Clock | 1000 MHz | 1471 MHz |
| Memory Bandwidth | 288 GB/s | 409.6 GB/s |
| Process Size | 28nm | 14nm |
| Architecture | GCN 1.0 | GCN 5.0 |
| Shading Units | 2048 | 3584 |
| RT Cores | N/A | N/A |
| TMUs | 128 | 224 |
| ROPs | 32 | 64 |
| Memory Bus | 384-bit | 2048-bit |
| Memory Clock | 1500 MHz | 800 MHz |
| Pixel Rate | 32 GPixel/s | 94.14 GPixel/s |
| Texture Rate | 288 GTexel/s | 409.6 GTexel/s |
| FP32 Performance | 4.096 GFLOPS | 10.54 GFLOPS |
| L2 Cache | 0.75 MB | 4.00 MB |
| Die Size | 365 mm² | 495 mm² |
| Transistors | 4313 Million | 12500 Million |
| Required PSU | 750 W | 550 W |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| DirectX | 11.1 | 12.1 |
| Vulkan | N/A | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Foundry | TSMC | GlobalFoundries |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
AMD Radeon HD 7990
AMD Radeon RX Vega 56
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon HD 7990
AMD Radeon RX Vega 56
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
AMD Radeon HD 7990
AMD Radeon RX Vega 56
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon HD 7990
AMD Radeon RX Vega 56
Game Benchmarks Comparison
No game benchmarks available for this combination of GPUs yet.
We're working on collecting performance data for this combination of GPUs. Please check back later.
AMD Radeon RX Vega 56 Wins!
Based on 4 synthetic benchmarks
AMD Radeon HD 7990
AMD • 3GB GDDR5
AMD Radeon RX Vega 56
AMD • 8GB HBM2
Most Compared GPUs
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