Nvidia GeForce RTX 2080 Super vs AMD Radeon HD 7990

VS
Nvidia GeForce RTX 2080 Super
Nvidia GeForce RTX 2080 Super Image
AMD Radeon HD 7990
AMD Radeon HD 7990 Image
Nvidia GeForce RTX 2080 Super
AMD Radeon HD 7990
Key Differences Key Differences Nvidia GeForce RTX 2080 Super AMD Radeon HD 7990
GPU Base Clock Speed 1650MHz 950MHz
GPU Boost Clock Speed 1815MHz 1000MHz
Pixel Rate 116.2 GPixel/s 60.8 GPixel/s
GPU Memory Speed 1937MHz 1500MHz
GPU Render Output Units (ROPs) 64 64
No. of Supported Displays 4 6
Performance Performance Nvidia GeForce RTX 2080 Super AMD Radeon HD 7990
GPU Base Clock Speed 1650MHz 950MHz
Pixel Rate 116.2 GPixel/s 60.8 GPixel/s
FLOPS (Floating-point Performance) 11.15 TFLOPS 7.78 TFLOPS
Texture Filter Rate 348.5 GTexels/s 144 GTexels/s
GPU Memory Speed 1937MHz 1500MHz
Total GPU Shading Units 3072 4096
Total GPU TMUs 192 256
GPU Boost Clock Speed 1815MHz 1000MHz
GPU Render Output Units (ROPs) 64 64
DPFP (Double Precision Floating Point) Support Yes Yes
Features Features Nvidia GeForce RTX 2080 Super AMD Radeon HD 7990
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 1.2 1.2
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 82°C
Idle GPU Temperature 30°C 39°C
Noise Level Under Load 46.5dB 54.8dB
3D Support Yes Yes
Idle Noise Level 40.3dB 39.2dB
Idle Power Consumption 54W 127W
No. of Supported Displays 4 6
PassMark (G3D) Score Not Known 5105
3DMark Vantage Texture Fill Result Not Known 211.8GTexels/s
3DMark Vantage Pixel Fill Result Not Known 26.2GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2755
Ray Tracing Support Yes No
Power Consumption Under Peak Load Not Known 552W
Multi-GPU Support Count Not Known 4
Ports Ports Nvidia GeForce RTX 2080 Super AMD Radeon HD 7990
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 1 1
Mini DisplayPort Output 0 4
General info General info Nvidia GeForce RTX 2080 Super AMD Radeon HD 7990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 4313 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No Yes
Air-water Cooling Support No No
Width Size 266.74mm 305mm
Height 115.7mm 110mm
Memory Memory Nvidia GeForce RTX 2080 Super AMD Radeon HD 7990
Effective Memory Clock 15496MHz 6000MHz
Max Memory Bandwidth 495.9GB/s 576GB/s
RAM 8GB 6GB
Memory Bus Interface Width 256bit 768bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support Yes No

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