3 GB
GDDR51000 MHz
Boost Clock375 W
TDP28 nm
ProcessShare on Social Media
Share Radeon HD 7990 specifications with othersTechnical Specifications
Core Specifications
Architecture:
GCN 1.0
Process Size:
28 nm
Base Clock:
950 MHz
Boost Clock:
1000 MHz
Shader Units:
2048
TMUs:
128
ROPs:
32
Memory & Performance
Memory Size:
3 GB
Memory Type:
GDDR5
Memory Bandwidth:
288.0 GB/s
Bus Interface:
PCIe 3.0 x16
TDP:
375 W
Suggested PSU:
750 W
Cache & Die Information
L1 Cache:
16 KB
L2 Cache:
0.8 MB
Die Size:
365 mm²
Transistors:
4.3 billion
Transistor Density:
11.8 million/mm²
Physical Specifications
Board Length:
304 mm
Board Width:
106 mm
Power Connectors:
2x 8-pin
Display Outputs:
1x DVI, 4x mini-DisplayPort 1.2
Quick Facts
Performance
Pixel Fill Rate
32.0 GPixel/s
Texture Fill Rate
128.0 GTexel/s
FP32 Performance
4.1 TFLOPS