Zotac GeForce GTX 1080 Ti AMP! Edition vs AMD Radeon HD 6990

VS
Zotac GeForce GTX 1080 Ti AMP! Edition
Zotac GeForce GTX 1080 Ti AMP! Edition Image
AMD Radeon HD 6990
AMD Radeon HD 6990 Image
Zotac GeForce GTX 1080 Ti AMP! Edition
AMD Radeon HD 6990
Key Differences Key Differences Zotac GeForce GTX 1080 Ti AMP! Edition AMD Radeon HD 6990
GPU Base Clock Speed 1569MHz 830MHz
GPU Boost Clock Speed 1683MHz 830MHz
Pixel Rate 148.1 GPixel/s 53.2 GPixel/s
GPU Memory Speed 1376MHz 1250MHz
GPU Render Output Units (ROPs) 88 64
No. of Supported Displays 4 Not Known
Performance Performance Zotac GeForce GTX 1080 Ti AMP! Edition AMD Radeon HD 6990
GPU Base Clock Speed 1569MHz 830MHz
Pixel Rate 148.1 GPixel/s 53.2 GPixel/s
FLOPS (Floating-point Performance) 12.06 TFLOPS 5.1 TFLOPS
GPU Memory Speed 1376MHz 1250MHz
Texture Filter Rate 377 GTexels/s 159.4 GTexels/s
Total GPU Shading Units 3584 3072
Total GPU TMUs 224 192
GPU Boost Clock Speed 1683MHz 830MHz
GPU Render Output Units (ROPs) 88 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features Zotac GeForce GTX 1080 Ti AMP! Edition AMD Radeon HD 6990
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.2
OpenCL Driver Version 1.2 1.1
Multi-display Tech Support Yes Yes
PassMark (G3D) Score 13470 3371
GPU Temperature Under Load 84°C 86°C
PassMark (DirectCompute) Benchmark Result 9456 1256
Idle GPU Temperature 33°C 46°C
3D Support Yes Yes
Noise Level Under Load 55.4dB 70.2dB
Idle Power Consumption 82W 171W
Idle Noise Level 40.7dB 44.9dB
Ray Tracing Support Yes No
Power Consumption Under Peak Load Not Known 491W
Multi-GPU Support Count 2 2
SmallLuxGPU (2.0d4) Result Not Known 10490
No. of Supported Displays 4 Not Known
Ports Ports Zotac GeForce GTX 1080 Ti AMP! Edition 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 1 1
Mini DisplayPort Output 0 4
General info General info Zotac GeForce GTX 1080 Ti AMP! Edition AMD Radeon HD 6990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 2640 million
Semiconductor Size 16nm 40nm
PCI Express Version 3 2
Dual-GPU Support No Yes
Width Size 300mm 295mm
Height 148mm 112.25mm
Air-water Cooling Support No No
Memory Memory Zotac GeForce GTX 1080 Ti AMP! Edition AMD Radeon HD 6990
Effective Memory Clock 11008MHz 5000MHz
Max Memory Bandwidth 484.4GB/s 320GB/s
RAM 11GB 4GB
Memory Bus Interface Width 352bit 512bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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