Galax GeForce RTX 3080 SG 1-Click OC vs Nvidia GeForce GT 640

VS
Galax GeForce RTX 3080 SG 1-Click OC
Galax GeForce RTX 3080 SG 1-Click OC Image
Nvidia GeForce GT 640
Nvidia GeForce GT 640 Image
Galax GeForce RTX 3080 SG 1-Click OC
Nvidia GeForce GT 640
Key Differences Key Differences Galax GeForce RTX 3080 SG 1-Click OC Nvidia GeForce GT 640
GPU Base Clock Speed 1440MHz 902MHz
GPU Boost Clock Speed 1710MHz Not Known
Pixel Rate 164.2 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1188MHz 891MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays Not Known Not Known
Performance Performance Galax GeForce RTX 3080 SG 1-Click OC Nvidia GeForce GT 640
GPU Base Clock Speed 1440MHz 902MHz
Pixel Rate 164.2 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 29.77 TFLOPS 0.69 TFLOPS
Texture Filter Rate 465.1 GTexels/s 28.9 GTexels/s
GPU Memory Speed 1188MHz 891MHz
Total GPU Shading Units 8704 384
Total GPU TMUs 272 32
GPU Boost Clock Speed 1710MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features Galax GeForce RTX 3080 SG 1-Click OC Nvidia GeForce GT 640
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
Ray Tracing Support Yes No
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ports Ports Galax GeForce RTX 3080 SG 1-Click OC Nvidia GeForce GT 640
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 2
Mini DisplayPort Output 0 0
General info General info Galax GeForce RTX 3080 SG 1-Click OC Nvidia GeForce GT 640
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 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 329mm 145mm
Height 130mm 111mm
Memory Memory Galax GeForce RTX 3080 SG 1-Click OC Nvidia GeForce GT 640
Effective Memory Clock 19000MHz 1782MHz
Max Memory Bandwidth 720GB/s 28.5GB/s
RAM 10GB 2GB
Memory Bus Interface Width 320bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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