Galax GeForce RTX 3080 EX Gamer 1-Click OC vs EVGA GeForce GT 640 Single Slot

VS
Galax GeForce RTX 3080 EX Gamer 1-Click OC
Galax GeForce RTX 3080 EX Gamer 1-Click OC Image
EVGA GeForce GT 640 Single Slot
EVGA GeForce GT 640 Single Slot Image
Galax GeForce RTX 3080 EX Gamer 1-Click OC
EVGA GeForce GT 640 Single Slot
Key Differences Key Differences Galax GeForce RTX 3080 EX Gamer 1-Click OC EVGA GeForce GT 640 Single Slot
GPU Base Clock Speed 1440MHz 900MHz
GPU Boost Clock Speed 1755MHz Not Known
Pixel Rate 168.5 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1188MHz 901MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays Not Known Not Known
Performance Performance Galax GeForce RTX 3080 EX Gamer 1-Click OC EVGA GeForce GT 640 Single Slot
GPU Base Clock Speed 1440MHz 900MHz
Pixel Rate 168.5 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 30.55 TFLOPS 0.69 TFLOPS
GPU Memory Speed 1188MHz 901MHz
Texture Filter Rate 477.4 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 8704 384
Total GPU TMUs 272 32
GPU Boost Clock Speed 1755MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features Galax GeForce RTX 3080 EX Gamer 1-Click OC EVGA GeForce GT 640 Single Slot
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 EX Gamer 1-Click OC EVGA GeForce GT 640 Single Slot
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 EX Gamer 1-Click OC EVGA GeForce GT 640 Single Slot
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 330mm 170mm
Height 142mm 111mm
Memory Memory Galax GeForce RTX 3080 EX Gamer 1-Click OC EVGA GeForce GT 640 Single Slot
Effective Memory Clock 19000MHz 1802MHz
Max Memory Bandwidth 720GB/s 28.8GB/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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