KFA2 GeForce RTX 3090 SG 1-Click OC vs Nvidia GeForce GT 640 GDDR5

VS
KFA2 GeForce RTX 3090 SG 1-Click OC
KFA2 GeForce RTX 3090 SG 1-Click OC Image
Nvidia GeForce GT 640 GDDR5
Nvidia GeForce GT 640 GDDR5 Image
KFA2 GeForce RTX 3090 SG 1-Click OC
Nvidia GeForce GT 640 GDDR5
Key Differences Key Differences KFA2 GeForce RTX 3090 SG 1-Click OC Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1395MHz 1046MHz
GPU Boost Clock Speed 1695MHz Not Known
Pixel Rate 189.8 GPixel/s 8.37 GPixel/s
GPU Memory Speed 1219MHz 1252MHz
GPU Render Output Units (ROPs) 112 8
No. of Supported Displays Not Known Not Known
Performance Performance KFA2 GeForce RTX 3090 SG 1-Click OC Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1395MHz 1046MHz
Pixel Rate 189.8 GPixel/s 8.37 GPixel/s
FLOPS (Floating-point Performance) 35.58 TFLOPS 0.8 TFLOPS
GPU Memory Speed 1219MHz 1252MHz
Texture Filter Rate 556 GTexels/s 16.7 GTexels/s
Total GPU Shading Units 10496 384
Total GPU TMUs 328 16
GPU Boost Clock Speed 1695MHz Not Known
GPU Render Output Units (ROPs) 112 8
DPFP (Double Precision Floating Point) Support No No
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Features Features KFA2 GeForce RTX 3090 SG 1-Click OC Nvidia GeForce GT 640 GDDR5
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ray Tracing Support Yes No
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Ports Ports KFA2 GeForce RTX 3090 SG 1-Click OC Nvidia GeForce GT 640 GDDR5
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 KFA2 GeForce RTX 3090 SG 1-Click OC Nvidia GeForce GT 640 GDDR5
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 million 1270 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 329mm 145mm
Height 130mm 111mm
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Memory Memory KFA2 GeForce RTX 3090 SG 1-Click OC Nvidia GeForce GT 640 GDDR5
Effective Memory Clock 9750MHz 5008MHz
Max Memory Bandwidth 936GB/s 40GB/s
RAM 24GB 1GB
Memory Bus Interface Width 384bit 64bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No
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