Gainward GeForce RTX 2080 Ti Phoenix vs Zotac GeForce GT 640 2GB

VS
Gainward GeForce RTX 2080 Ti Phoenix
Gainward GeForce RTX 2080 Ti Phoenix Image
Zotac GeForce GT 640 2GB
Zotac GeForce GT 640 2GB Image
Gainward GeForce RTX 2080 Ti Phoenix
Zotac GeForce GT 640 2GB
Key Differences Key Differences Gainward GeForce RTX 2080 Ti Phoenix Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1350MHz 1046MHz
GPU Boost Clock Speed 1650MHz Not Known
Pixel Rate 138.6 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 Gainward GeForce RTX 2080 Ti Phoenix Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1350MHz 1046MHz
Pixel Rate 138.6 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 13.71 TFLOPS 0.69 TFLOPS
Texture Filter Rate 428.4 GTexels/s 28.8 GTexels/s
GPU Memory Speed 1750MHz 1250MHz
Total GPU Shading Units 4352 384
Total GPU TMUs 272 32
GPU Boost Clock Speed 1650MHz Not Known
GPU Render Output Units (ROPs) 88 16
DPFP (Double Precision Floating Point) Support No No
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Features Features Gainward GeForce RTX 2080 Ti Phoenix 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
GPU Temperature Under Load 77°C Not Known
Idle GPU Temperature 31°C Not Known
3D Support Yes Yes
Noise Level Under Load 47.5dB Not Known
Idle Noise Level 41.5dB Not Known
Idle Power Consumption 54W Not Known
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 Not Known
Ray Tracing Support No No
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Miscellaneous Miscellaneous Gainward GeForce RTX 2080 Ti Phoenix Zotac GeForce GT 640 2GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gainward GeForce RTX 2080 Ti Phoenix 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
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General info General info Gainward GeForce RTX 2080 Ti Phoenix 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 292mm 145mm
Height 112mm 111mm
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Memory Memory Gainward GeForce RTX 2080 Ti Phoenix 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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