EVGA GeForce RTX 3090 XC3 Gaming vs Zotac GeForce GT 640 2GB

VS
EVGA GeForce RTX 3090 XC3 Gaming
EVGA GeForce RTX 3090 XC3 Gaming Image
Zotac GeForce GT 640 2GB
Zotac GeForce GT 640 2GB Image
EVGA GeForce RTX 3090 XC3 Gaming
Zotac GeForce GT 640 2GB
Key Differences Key Differences EVGA GeForce RTX 3090 XC3 Gaming Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1395MHz 1046MHz
GPU Boost Clock Speed 1695MHz Not Known
Pixel Rate 189.8 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1219MHz 1250MHz
GPU Render Output Units (ROPs) 112 16
No. of Supported Displays 4 Not Known
Performance Performance EVGA GeForce RTX 3090 XC3 Gaming Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1395MHz 1046MHz
Pixel Rate 189.8 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 35.58 TFLOPS 0.69 TFLOPS
GPU Memory Speed 1219MHz 1250MHz
Texture Filter Rate 556 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 10496 384
Total GPU TMUs 328 32
GPU Boost Clock Speed 1695MHz Not Known
GPU Render Output Units (ROPs) 112 16
DPFP (Double Precision Floating Point) Support No No
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Features Features EVGA GeForce RTX 3090 XC3 Gaming Zotac GeForce GT 640 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
No. of Supported Displays 4 Not Known
Ray Tracing Support No No
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Ports Ports EVGA GeForce RTX 3090 XC3 Gaming Zotac GeForce GT 640 2GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 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 EVGA GeForce RTX 3090 XC3 Gaming Zotac GeForce GT 640 2GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 1270 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 285.4mm 145mm
Height 111.2mm 111mm
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Memory Memory EVGA GeForce RTX 3090 XC3 Gaming Zotac GeForce GT 640 2GB
Effective Memory Clock 19500MHz 5000MHz
Max Memory Bandwidth 936GB/s 28.5GB/s
RAM 24GB 2GB
Memory Bus Interface Width 384bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No
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