Gigabyte GeForce RTX 3080 Eagle OC vs Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB

VS
Gigabyte GeForce RTX 3080 Eagle OC
Gigabyte GeForce RTX 3080 Eagle OC Image
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB Image
Gigabyte GeForce RTX 3080 Eagle OC
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Key Differences Key Differences Gigabyte GeForce RTX 3080 Eagle OC Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
GPU Base Clock Speed 1440MHz 720MHz
GPU Boost Clock Speed 1755MHz Not Known
Pixel Rate 168.5 GPixel/s 6.38 GPixel/s
GPU Memory Speed 1188MHz 891MHz
GPU Render Output Units (ROPs) 96 Not Known
No. of Supported Displays 4 Not Known
Performance Performance Gigabyte GeForce RTX 3080 Eagle OC Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
GPU Base Clock Speed 1440MHz 720MHz
Pixel Rate 168.5 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 30.55 TFLOPS 0.61 TFLOPS
GPU Memory Speed 1188MHz 891MHz
Texture Filter Rate 477.4 GTexels/s 17 GTexels/s
Total GPU Shading Units 8704 144
Total GPU TMUs 272 Not Known
GPU Boost Clock Speed 1755MHz Not Known
GPU Render Output Units (ROPs) 96 Not Known
DPFP (Double Precision Floating Point) Support No No
Features Features Gigabyte GeForce RTX 3080 Eagle OC Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 Not Known
Multi-display Tech Support Yes No
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ports Ports Gigabyte GeForce RTX 3080 Eagle OC Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 2 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gigabyte GeForce RTX 3080 Eagle OC Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 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 320mm 145mm
Height 128mm 111mm
Memory Memory Gigabyte GeForce RTX 3080 Eagle OC Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Effective Memory Clock 19000MHz 1782MHz
Max Memory Bandwidth 760GB/s 43GB/s
RAM 10GB 3GB
Memory Bus Interface Width 320bit 192bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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