Asus GeForce Dual RTX 2080 Ti OC vs Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB

VS
Asus GeForce Dual RTX 2080 Ti OC
Asus GeForce Dual RTX 2080 Ti OC Image
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB Image
Asus GeForce Dual RTX 2080 Ti OC
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Key Differences Key Differences Asus GeForce Dual RTX 2080 Ti OC Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
GPU Base Clock Speed 1350MHz 720MHz
GPU Boost Clock Speed 1635MHz Not Known
Pixel Rate 143.9 GPixel/s 6.38 GPixel/s
GPU Memory Speed 1750MHz 891MHz
GPU Render Output Units (ROPs) 88 Not Known
No. of Supported Displays 4 Not Known
Performance Performance Asus GeForce Dual RTX 2080 Ti OC Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
GPU Base Clock Speed 1350MHz 720MHz
Pixel Rate 143.9 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 14.23 TFLOPS 0.61 TFLOPS
GPU Memory Speed 1750MHz 891MHz
Texture Filter Rate 444.7 GTexels/s 17 GTexels/s
Total GPU Shading Units 4352 144
Total GPU TMUs 272 Not Known
GPU Boost Clock Speed 1635MHz Not Known
GPU Render Output Units (ROPs) 88 Not Known
DPFP (Double Precision Floating Point) Support No No
Features Features Asus GeForce Dual RTX 2080 Ti OC Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 2 Not Known
Multi-display Tech Support Yes No
3D Support Yes Yes
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ray Tracing Support No No
Miscellaneous Miscellaneous Asus GeForce Dual RTX 2080 Ti OC Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Asus GeForce Dual RTX 2080 Ti OC Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Asus GeForce Dual RTX 2080 Ti OC Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 18600 million 1270 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 268mm 145mm
Height 114mm 111mm
Memory Memory Asus GeForce Dual RTX 2080 Ti OC Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Effective Memory Clock 14000MHz 1782MHz
Max Memory Bandwidth 616GB/s 43GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 192bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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