Gainward GeForce RTX 3080 Phantom vs AMD Radeon HD 7990

VS
Gainward GeForce RTX 3080 Phantom
Gainward GeForce RTX 3080 Phantom Image
AMD Radeon HD 7990
AMD Radeon HD 7990 Image
Gainward GeForce RTX 3080 Phantom
AMD Radeon HD 7990
Key Differences Key Differences Gainward GeForce RTX 3080 Phantom AMD Radeon HD 7990
GPU Base Clock Speed 1440MHz 950MHz
GPU Boost Clock Speed 1755MHz 1000MHz
Pixel Rate 168.5 GPixel/s 60.8 GPixel/s
GPU Memory Speed 1188MHz 1500MHz
GPU Render Output Units (ROPs) 96 64
No. of Supported Displays Not Known 6
Performance Performance Gainward GeForce RTX 3080 Phantom AMD Radeon HD 7990
GPU Base Clock Speed 1440MHz 950MHz
Pixel Rate 168.5 GPixel/s 60.8 GPixel/s
FLOPS (Floating-point Performance) 30.55 TFLOPS 7.78 TFLOPS
GPU Memory Speed 1188MHz 1500MHz
Texture Filter Rate 477.4 GTexels/s 144 GTexels/s
Total GPU Shading Units 8704 4096
Total GPU TMUs 272 256
GPU Boost Clock Speed 1755MHz 1000MHz
GPU Render Output Units (ROPs) 96 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gainward GeForce RTX 3080 Phantom AMD Radeon HD 7990
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
PassMark (G3D) Score Not Known 5105
3DMark Vantage Texture Fill Result Not Known 211.8GTexels/s
GPU Temperature Under Load Not Known 82°C
3DMark Vantage Pixel Fill Result Not Known 26.2GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2755
Idle GPU Temperature Not Known 39°C
Noise Level Under Load Not Known 54.8dB
Power Consumption Under Peak Load Not Known 552W
Idle Power Consumption Not Known 127W
Idle Noise Level Not Known 39.2dB
Multi-GPU Support Count Not Known 4
No. of Supported Displays Not Known 6
Ports Ports Gainward GeForce RTX 3080 Phantom AMD Radeon HD 7990
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 4
General info General info Gainward GeForce RTX 3080 Phantom AMD Radeon HD 7990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 4313 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No Yes
Air-water Cooling Support No No
Width Size 304mm 305mm
Height 136mm 110mm
Memory Memory Gainward GeForce RTX 3080 Phantom AMD Radeon HD 7990
Effective Memory Clock 19000MHz 6000MHz
Max Memory Bandwidth 760GB/s 576GB/s
RAM 10GB 6GB
Memory Bus Interface Width 320bit 768bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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