Gainward GeForce RTX 3090 Phantom vs Sapphire HD 7770 OC V2

VS
Gainward GeForce RTX 3090 Phantom
Gainward GeForce RTX 3090 Phantom Image
Sapphire HD 7770 OC V2
Sapphire HD 7770 OC V2 Image
Gainward GeForce RTX 3090 Phantom
Sapphire HD 7770 OC V2
Key Differences Key Differences Gainward GeForce RTX 3090 Phantom Sapphire HD 7770 OC V2
GPU Base Clock Speed 1395MHz 1100MHz
GPU Boost Clock Speed 1740MHz Not Known
Pixel Rate 194.9 GPixel/s 17.6 GPixel/s
GPU Memory Speed 1219MHz 1250MHz
GPU Render Output Units (ROPs) 112 16
No. of Supported Displays Not Known 6
Performance Performance Gainward GeForce RTX 3090 Phantom Sapphire HD 7770 OC V2
GPU Base Clock Speed 1395MHz 1100MHz
Pixel Rate 194.9 GPixel/s 17.6 GPixel/s
FLOPS (Floating-point Performance) 36.53 TFLOPS 1.41 TFLOPS
GPU Memory Speed 1219MHz 1250MHz
Texture Filter Rate 570.7 GTexels/s 44 GTexels/s
Total GPU Shading Units 10496 640
Total GPU TMUs 328 40
GPU Boost Clock Speed 1740MHz Not Known
GPU Render Output Units (ROPs) 112 16
DPFP (Double Precision Floating Point) Support No Yes
Features Features Gainward GeForce RTX 3090 Phantom Sapphire HD 7770 OC V2
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.2
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 6
Ports Ports Gainward GeForce RTX 3090 Phantom Sapphire HD 7770 OC V2
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3090 Phantom Sapphire HD 7770 OC V2
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 1500 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 304mm 184mm
Height 136mm 110mm
Memory Memory Gainward GeForce RTX 3090 Phantom Sapphire HD 7770 OC V2
Effective Memory Clock 9750MHz 5000MHz
Max Memory Bandwidth 936GB/s 80GB/s
RAM 24GB 1GB
Memory Bus Interface Width 384bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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