Galax GeForce RTX 3090 SG 1-Click OC vs Zotac Gaming GeForce RTX 2080 Ti AMP Extreme

VS
Galax GeForce RTX 3090 SG 1-Click OC
Galax GeForce RTX 3090 SG 1-Click OC Image
Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
Zotac Gaming GeForce RTX 2080 Ti AMP Extreme Image
Galax GeForce RTX 3090 SG 1-Click OC
Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
Key Differences Key Differences Galax GeForce RTX 3090 SG 1-Click OC Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
GPU Base Clock Speed 1395MHz 1350MHz
GPU Boost Clock Speed 1695MHz 1815MHz
Pixel Rate 189.8 GPixel/s 159.7 GPixel/s
GPU Memory Speed 1219MHz 1800MHz
GPU Render Output Units (ROPs) 112 88
No. of Supported Displays Not Known 4
Performance Performance Galax GeForce RTX 3090 SG 1-Click OC Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
GPU Base Clock Speed 1395MHz 1350MHz
Pixel Rate 189.8 GPixel/s 159.7 GPixel/s
FLOPS (Floating-point Performance) 35.58 TFLOPS 15.8 TFLOPS
GPU Memory Speed 1219MHz 1800MHz
Texture Filter Rate 556 GTexels/s 493.7 GTexels/s
Total GPU Shading Units 10496 4352
Total GPU TMUs 328 272
GPU Boost Clock Speed 1695MHz 1815MHz
GPU Render Output Units (ROPs) 112 88
DPFP (Double Precision Floating Point) Support No No
Features Features Galax GeForce RTX 3090 SG 1-Click OC Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
OpenCL Driver Version 2 2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
GPU Temperature Under Load Not Known 77°C
Ray Tracing Support No No
Idle GPU Temperature Not Known 31°C
Noise Level Under Load Not Known 47.5dB
Idle Power Consumption Not Known 54W
Idle Noise Level Not Known 41.5dB
Multi-GPU Support Count Not Known 2
No. of Supported Displays Not Known 4
Ports Ports Galax GeForce RTX 3090 SG 1-Click OC Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 2
DisplayPort Output 3 3
No. of HDMI Ports 1 1
DVI Output Ports 0 0
Mini DisplayPort Output 0 0
General info General info Galax GeForce RTX 3090 SG 1-Click OC Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 million 18600 million
Semiconductor Size 8nm 12nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 329mm 324mm
Height 130mm 136mm
Memory Memory Galax GeForce RTX 3090 SG 1-Click OC Zotac Gaming GeForce RTX 2080 Ti AMP Extreme
Effective Memory Clock 9750MHz 14400MHz
Max Memory Bandwidth 936GB/s 633.6GB/s
RAM 24GB 11GB
Memory Bus Interface Width 384bit 352bit
GDDR Memory Version 6 6
ECC (Error-Correcting Code) Memory Support No No

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