AMD Radeon HD 7990
The Radeon HD 7990 is dual-GPU graphics card from AMD packing 8.6 billion transistors, 4096 stream processors, 8.2 TFLOPS computer power, 6GB GDDR5 and 576GB/s memory bandwidth. The GPU core of the HD 7990 is clocked at 1000MHz, while the memory is clocked at 1500MHz (6.0GHz DDR).
GCN 1.0 (Tahiti XT)
Architecture
High-end
Product Tier
4096
Shader Cores
64
ROPs
256
TMUs
No RT
Ray Tracing
6 GB
Memory
GDDR5
Memory Type
576 GB/s
Bandwidth
375 W
TDP
| GPU Snapshot | |||
| Release date: | Apr 24, 2013 | Price at Launch: | $999 |
| Type: | Desktop | Architecture: | GCN 1.0 (Tahiti XT) |
| Generation: | Radeon HD 7000 series | Product Tier: | High-end |
| VRAM Capacity: | 6 GB | Total Board Power: | 375 W |
| Core Configuration | |||
| Shader Cores: | 4096 | TMUs: | 256 |
| ROPs: | 64 | L2 Cache: | 768 KB |
| Memory | |||
| VRAM Capacity: | 6 GB | Memory Type: | GDDR5 |
| Memory Speed: | 6.0 Gbps | Memory Bus: | 384-bit x2 |
| Bandwidth: | 576 GB/s | ||
| Graphics Processing | |||
| Base Clock: | 0.95 GHz | Boost Clock: | 1 GHz |
| FP32 Throughput: | 8.2 TFLOPs | Ray Tracing: | No |
| Process Size: | 28nm | Process Name: | TSMC 28nm |
| Die Size: | 365 mm² | ||
| Power & Connectivity | |||
| Total Board Power: | 375 W | Power Connectors: | 2x 8-pin |
| Bus Interface: | PCIe 3.0 x16 | DisplayPort Support: | DP 1.2 |
| DSC: | No | Max Displays: | 6 |
| Media & Software Support | |||
| DirectX Support: | 12 | Shader Model: | 6.5 |
| Vulkan Version: | 1.2 | OpenGL Version: | 4.6 |
If AMD can improve frame time performance as they claim to be in the process of doing, then the 7990 could certainly become a real problem for the GTX 690 and GTX Titan. In the meantime, the Titan presents the safest bet for extreme performance at this privileged price point.
By TechSpot on