Gainward GeForce RTX 2080 Ti Phoenix vs AMD Radeon HD 6990

VS
Gainward GeForce RTX 2080 Ti Phoenix
Gainward GeForce RTX 2080 Ti Phoenix Image
AMD Radeon HD 6990
AMD Radeon HD 6990 Image
Gainward GeForce RTX 2080 Ti Phoenix
AMD Radeon HD 6990
Key Differences Key Differences Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 6990
GPU Base Clock Speed 1350MHz 830MHz
GPU Boost Clock Speed 1650MHz 830MHz
Pixel Rate 138.6 GPixel/s 53.2 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 88 64
No. of Supported Displays 4 Not Known
Performance Performance Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 6990
GPU Base Clock Speed 1350MHz 830MHz
Pixel Rate 138.6 GPixel/s 53.2 GPixel/s
FLOPS (Floating-point Performance) 13.71 TFLOPS 5.1 TFLOPS
Texture Filter Rate 428.4 GTexels/s 159.4 GTexels/s
GPU Memory Speed 1750MHz 1250MHz
Total GPU Shading Units 4352 3072
Total GPU TMUs 272 192
GPU Boost Clock Speed 1650MHz 830MHz
GPU Render Output Units (ROPs) 88 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 6990
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.2
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 77°C 86°C
Idle GPU Temperature 31°C 46°C
3D Support Yes Yes
Noise Level Under Load 47.5dB 70.2dB
Idle Noise Level 41.5dB 44.9dB
Idle Power Consumption 54W 171W
Multi-GPU Support Count 2 2
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 3371
PassMark (DirectCompute) Benchmark Result Not Known 1256
Ray Tracing Support No No
Power Consumption Under Peak Load Not Known 491W
SmallLuxGPU (2.0d4) Result Not Known 10490
Miscellaneous Miscellaneous Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 6990
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 6990
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 4
General info General info Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 6990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 million 2640 million
Semiconductor Size 12nm 40nm
PCI Express Version 3 2
Dual-GPU Support No Yes
Air-water Cooling Support No No
Width Size 292mm 295mm
Height 112mm 112.25mm
Memory Memory Gainward GeForce RTX 2080 Ti Phoenix AMD Radeon HD 6990
Effective Memory Clock 14000MHz 5000MHz
Max Memory Bandwidth 616GB/s 320GB/s
RAM 11GB 4GB
Memory Bus Interface Width 352bit 512bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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