Zotac GeForce GTX 1080 Ti AMP! Extreme vs Sapphire Radeon HD 7970 Dual-X

VS
Zotac GeForce GTX 1080 Ti AMP! Extreme
Zotac GeForce GTX 1080 Ti AMP! Extreme Image
Sapphire Radeon HD 7970 Dual-X
Sapphire Radeon HD 7970 Dual-X Image
Zotac GeForce GTX 1080 Ti AMP! Extreme
Sapphire Radeon HD 7970 Dual-X
Key Differences Key Differences Zotac GeForce GTX 1080 Ti AMP! Extreme Sapphire Radeon HD 7970 Dual-X
GPU Base Clock Speed 1645MHz 925MHz
GPU Boost Clock Speed 1759MHz Not Known
Pixel Rate 154.8 GPixel/s 29.6 GPixel/s
GPU Memory Speed 1400MHz 1375MHz
GPU Render Output Units (ROPs) 88 32
No. of Supported Displays 4 6
Performance Performance Zotac GeForce GTX 1080 Ti AMP! Extreme Sapphire Radeon HD 7970 Dual-X
GPU Base Clock Speed 1645MHz 925MHz
Pixel Rate 154.8 GPixel/s 29.6 GPixel/s
FLOPS (Floating-point Performance) 12.61 TFLOPS 3.79 TFLOPS
Texture Filter Rate 394 GTexels/s 118 GTexels/s
GPU Memory Speed 1400MHz 1375MHz
Total GPU Shading Units 3584 2048
Total GPU TMUs 224 128
GPU Boost Clock Speed 1759MHz Not Known
GPU Render Output Units (ROPs) 88 32
DPFP (Double Precision Floating Point) Support No Yes
Features Features Zotac GeForce GTX 1080 Ti AMP! Extreme Sapphire Radeon HD 7970 Dual-X
DirectX Version Info 12 11.1
OpenGL Driver Version 4.5 4.2
OpenCL Driver Version 1.2 1.2
Multi-display Tech Support Yes Yes
PassMark (G3D) Score 13470 5088
GPU Temperature Under Load 84°C 72°C
PassMark (DirectCompute) Benchmark Result 9456 3032
Idle GPU Temperature 33°C 34°C
3D Support Yes Yes
Noise Level Under Load 55.4dB 53.1dB
Idle Noise Level 40.7dB 40.2dB
Idle Power Consumption 82W 112W
3DMark Vantage Texture Fill Result Not Known 107.55GTexels/s
3DMark Vantage Pixel Fill Result Not Known 13.33GPixel/s
Ray Tracing Support Yes No
Power Consumption Under Peak Load Not Known 360W
Multi-GPU Support Count 2 4
SmallLuxGPU (2.0d4) Result Not Known 23600
No. of Supported Displays 4 6
Ports Ports Zotac GeForce GTX 1080 Ti AMP! Extreme Sapphire Radeon HD 7970 Dual-X
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 2
Mini DisplayPort Output 0 2
General info General info Zotac GeForce GTX 1080 Ti AMP! Extreme Sapphire Radeon HD 7970 Dual-X
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 4313 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Width Size 325mm 280mm
Height 148mm 125mm
Air-water Cooling Support No No
Memory Memory Zotac GeForce GTX 1080 Ti AMP! Extreme Sapphire Radeon HD 7970 Dual-X
Effective Memory Clock 11200MHz 5500MHz
Max Memory Bandwidth 492.8GB/s 264GB/s
RAM 11GB 3GB
Memory Bus Interface Width 352bit 384bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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