Nvidia GeForce RTX 3090 vs Galax GeForce RTX 2080 OC

VS
Nvidia GeForce RTX 3090
Nvidia GeForce RTX 3090 Image
Galax GeForce RTX 2080 OC
Galax GeForce RTX 2080 OC Image
Nvidia GeForce RTX 3090
Galax GeForce RTX 2080 OC
Key Differences Key Differences Nvidia GeForce RTX 3090 Galax GeForce RTX 2080 OC
GPU Base Clock Speed 1395MHz 1515MHz
GPU Boost Clock Speed 1695MHz 1785MHz
Pixel Rate 189.8 GPixel/s 114.2 GPixel/s
GPU Memory Speed 1219MHz 1750MHz
GPU Render Output Units (ROPs) 112 64
No. of Supported Displays Not Known 4
Performance Performance Nvidia GeForce RTX 3090 Galax GeForce RTX 2080 OC
GPU Base Clock Speed 1395MHz 1515MHz
Pixel Rate 189.8 GPixel/s 114.2 GPixel/s
FLOPS (Floating-point Performance) 35.58 TFLOPS 10.51 TFLOPS
GPU Memory Speed 1219MHz 1750MHz
Texture Filter Rate 556 GTexels/s 328.4 GTexels/s
Total GPU Shading Units 10496 2944
Total GPU TMUs 328 184
GPU Boost Clock Speed 1695MHz 1785MHz
GPU Render Output Units (ROPs) 112 64
DPFP (Double Precision Floating Point) Support No No
Features Features Nvidia GeForce RTX 3090 Galax GeForce RTX 2080 OC
DirectX Version Info 12 12
OpenGL Driver Version 4.6 4.5
OpenCL Driver Version 2 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
Multi-GPU Support Count Not Known 2
No. of Supported Displays Not Known 4
Ports Ports Nvidia GeForce RTX 3090 Galax GeForce RTX 2080 OC
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 2
DisplayPort Output 1 3
No. of HDMI Ports 3 1
DVI Output Ports 0 0
Mini DisplayPort Output 0 0
General info General info Nvidia GeForce RTX 3090 Galax GeForce RTX 2080 OC
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 13600 million
Semiconductor Size 8nm 12nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 313mm 283mm
Height 138mm 139mm
Memory Memory Nvidia GeForce RTX 3090 Galax GeForce RTX 2080 OC
Effective Memory Clock 19500MHz 14000MHz
Max Memory Bandwidth 936GB/s 448GB/s
RAM 24GB 8GB
Memory Bus Interface Width 384bit 256bit
GDDR Memory Version 6 6
ECC (Error-Correcting Code) Memory Support No No

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