Gigabyte Radeon RX 6800 XT vs Zotac GeForce GTX 660 Ti AMP! Edition

VS
Gigabyte Radeon RX 6800 XT
Gigabyte Radeon RX 6800 XT Image
Zotac GeForce GTX 660 Ti AMP! Edition
Zotac GeForce GTX 660 Ti AMP! Edition Image
Gigabyte Radeon RX 6800 XT
Zotac GeForce GTX 660 Ti AMP! Edition
Key Differences Key Differences Gigabyte Radeon RX 6800 XT Zotac GeForce GTX 660 Ti AMP! Edition
GPU Base Clock Speed 1825MHz 1032MHz
GPU Boost Clock Speed 2250MHz 1110MHz
Pixel Rate 288 GPixel/s 28.9 GPixel/s
GPU Memory Speed 2000MHz 1652MHz
GPU Render Output Units (ROPs) 128 24
No. of Supported Displays 4 4
Performance Performance Gigabyte Radeon RX 6800 XT Zotac GeForce GTX 660 Ti AMP! Edition
GPU Base Clock Speed 1825MHz 1032MHz
Pixel Rate 288 GPixel/s 28.9 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 2.77 TFLOPS
GPU Memory Speed 2000MHz 1652MHz
Texture Filter Rate 648 GTexels/s 116 GTexels/s
Total GPU Shading Units 4608 1344
Total GPU TMUs 288 112
GPU Boost Clock Speed 2250MHz 1110MHz
GPU Render Output Units (ROPs) 128 24
DPFP (Double Precision Floating Point) Support No No
Features Features Gigabyte Radeon RX 6800 XT Zotac GeForce GTX 660 Ti AMP! Edition
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 4692
3DMark Vantage Texture Fill Result Not Known 86.4GTexels/s
GPU Temperature Under Load Not Known 75°C
3DMark Vantage Pixel Fill Result Not Known 10.4GPixel/s
PassMark (DirectCompute) Benchmark Result Not Known 2547
Idle GPU Temperature Not Known 31°C
Noise Level Under Load Not Known 47.9dB
Power Consumption Under Peak Load Not Known 318W
Idle Power Consumption Not Known 111W
Idle Noise Level Not Known 41.8dB
Multi-GPU Support Count Not Known 3
SmallLuxGPU (2.0d4) Result Not Known 6200
Miscellaneous Miscellaneous Gigabyte Radeon RX 6800 XT Zotac GeForce GTX 660 Ti AMP! Edition
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte Radeon RX 6800 XT Zotac GeForce GTX 660 Ti AMP! Edition
HDMI Output Support Yes No
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 2
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Gigabyte Radeon RX 6800 XT Zotac GeForce GTX 660 Ti AMP! Edition
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 3540 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 267mm 191mm
Height 120mm 111mm
Memory Memory Gigabyte Radeon RX 6800 XT Zotac GeForce GTX 660 Ti AMP! Edition
Effective Memory Clock 16000MHz 6608MHz
Max Memory Bandwidth 512GB/s 159GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 192bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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