Gainward GeForce RTX 2080 Ti Phoenix vs AMD Radeon HD 7990

VS
Gainward GeForce RTX 2080 Ti Phoenix
Gainward GeForce RTX 2080 Ti Phoenix Image
AMD Radeon HD 7990
AMD Radeon HD 7990 Image
Gainward GeForce RTX 2080 Ti Phoenix
AMD Radeon HD 7990
Key Differences Key Differences Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 7990
GPU Base Clock Speed 1350MHz 950MHz
GPU Boost Clock Speed 1650MHz 1000MHz
Pixel Rate 138.6 GPixel/s 60.8 GPixel/s
GPU Memory Speed 1750MHz 1500MHz
GPU Render Output Units (ROPs) 88 64
No. of Supported Displays 4 6
Performance Performance Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 7990
GPU Base Clock Speed 1350MHz 950MHz
Pixel Rate 138.6 GPixel/s 60.8 GPixel/s
FLOPS (Floating-point Performance) 13.71 TFLOPS 7.78 TFLOPS
Texture Filter Rate 428.4 GTexels/s 144 GTexels/s
GPU Memory Speed 1750MHz 1500MHz
Total GPU Shading Units 4352 4096
Total GPU TMUs 272 256
GPU Boost Clock Speed 1650MHz 1000MHz
GPU Render Output Units (ROPs) 88 64
DPFP (Double Precision Floating Point) Support No Yes
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Features Features Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 7990
DirectX Version Info 12 11.1
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 82°C
Idle GPU Temperature 31°C 39°C
3D Support Yes Yes
Noise Level Under Load 47.5dB 54.8dB
Idle Noise Level 41.5dB 39.2dB
Idle Power Consumption 54W 127W
Multi-GPU Support Count 2 4
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 No No
Power Consumption Under Peak Load Not Known 552W
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Miscellaneous Miscellaneous Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 7990
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gainward GeForce RTX 2080 Ti Phoenix 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 0 1
Mini DisplayPort Output 0 4
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General info General info Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 7990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 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 292mm 305mm
Height 112mm 110mm
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Memory Memory Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 7990
Effective Memory Clock 14000MHz 6000MHz
Max Memory Bandwidth 616GB/s 576GB/s
RAM 11GB 6GB
Memory Bus Interface Width 352bit 768bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No
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