Inno3D GeForce RTX 2080 Ti X2 Gaming OC vs Zotac GeForce GT 640 2GB

VS
Inno3D GeForce RTX 2080 Ti X2 Gaming OC
Inno3D GeForce RTX 2080 Ti X2 Gaming OC Image
Zotac GeForce GT 640 2GB
Zotac GeForce GT 640 2GB Image
Inno3D GeForce RTX 2080 Ti X2 Gaming OC
Zotac GeForce GT 640 2GB
Key Differences Key Differences Inno3D GeForce RTX 2080 Ti X2 Gaming OC Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1350MHz 1046MHz
GPU Boost Clock Speed 1590MHz Not Known
Pixel Rate 139.9 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 88 16
No. of Supported Displays 4 Not Known
Performance Performance Inno3D GeForce RTX 2080 Ti X2 Gaming OC Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1350MHz 1046MHz
Pixel Rate 139.9 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 13.84 TFLOPS 0.69 TFLOPS
GPU Memory Speed 1750MHz 1250MHz
Texture Filter Rate 432.5 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 4352 384
Total GPU TMUs 272 32
GPU Boost Clock Speed 1590MHz Not Known
GPU Render Output Units (ROPs) 88 16
DPFP (Double Precision Floating Point) Support No No
Features Features Inno3D GeForce RTX 2080 Ti X2 Gaming OC Zotac GeForce GT 640 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 Not Known
Ray Tracing Support No No
Miscellaneous Miscellaneous Inno3D GeForce RTX 2080 Ti X2 Gaming OC Zotac GeForce GT 640 2GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Inno3D GeForce RTX 2080 Ti X2 Gaming OC Zotac GeForce GT 640 2GB
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 0
General info General info Inno3D GeForce RTX 2080 Ti X2 Gaming OC Zotac GeForce GT 640 2GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 million 1270 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 268mm 145mm
Height 113mm 111mm
Memory Memory Inno3D GeForce RTX 2080 Ti X2 Gaming OC Zotac GeForce GT 640 2GB
Effective Memory Clock 14000MHz 5000MHz
Max Memory Bandwidth 616GB/s 28.5GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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