Zotac Gaming GeForce RTX 2080 Twin Fan vs Sapphire HD 7770 OC

VS
Zotac Gaming GeForce RTX 2080 Twin Fan
Zotac Gaming GeForce RTX 2080 Twin Fan Image
Sapphire HD 7770 OC
Sapphire HD 7770 OC Image
Zotac Gaming GeForce RTX 2080 Twin Fan
Sapphire HD 7770 OC
Key Differences Key Differences Zotac Gaming GeForce RTX 2080 Twin Fan Sapphire HD 7770 OC
GPU Base Clock Speed 1515MHz 1150MHz
GPU Boost Clock Speed 1770MHz Not Known
Pixel Rate 113.3 GPixel/s 18.4 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 64 16
No. of Supported Displays 4 6
Performance Performance Zotac Gaming GeForce RTX 2080 Twin Fan Sapphire HD 7770 OC
GPU Base Clock Speed 1515MHz 1150MHz
Pixel Rate 113.3 GPixel/s 18.4 GPixel/s
FLOPS (Floating-point Performance) 10.42 TFLOPS 1.47 TFLOPS
Texture Filter Rate 325.7 GTexels/s 46 GTexels/s
GPU Memory Speed 1750MHz 1250MHz
Total GPU Shading Units 2944 640
Total GPU TMUs 184 40
GPU Boost Clock Speed 1770MHz Not Known
GPU Render Output Units (ROPs) 64 16
DPFP (Double Precision Floating Point) Support No Yes
Features Features Zotac Gaming GeForce RTX 2080 Twin Fan Sapphire HD 7770 OC
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
GPU Temperature Under Load 74°C Not Known
Idle GPU Temperature 30°C Not Known
3D Support Yes Yes
Noise Level Under Load 45dB Not Known
Idle Noise Level 40.3dB Not Known
Idle Power Consumption 53W Not Known
Multi-GPU Support Count 2 2
No. of Supported Displays 4 6
Ray Tracing Support No No
Miscellaneous Miscellaneous Zotac Gaming GeForce RTX 2080 Twin Fan Sapphire HD 7770 OC
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Zotac Gaming GeForce RTX 2080 Twin Fan Sapphire HD 7770 OC
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 2
General info General info Zotac Gaming GeForce RTX 2080 Twin Fan Sapphire HD 7770 OC
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 1500 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 268mm 210mm
Height 113mm 110mm
Memory Memory Zotac Gaming GeForce RTX 2080 Twin Fan Sapphire HD 7770 OC
Effective Memory Clock 14000MHz 5000MHz
Max Memory Bandwidth 448GB/s 80GB/s
RAM 8GB 1GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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