Asus GeForce ROG Strix RTX 2080 Gaming vs Nvidia GeForce GT 640 GDDR5

VS
Asus GeForce ROG Strix RTX 2080 Gaming
Asus GeForce ROG Strix RTX 2080 Gaming Image
Nvidia GeForce GT 640 GDDR5
Nvidia GeForce GT 640 GDDR5 Image
Asus GeForce ROG Strix RTX 2080 Gaming
Nvidia GeForce GT 640 GDDR5
Key Differences Key Differences Asus GeForce ROG Strix RTX 2080 Gaming Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1515MHz 1046MHz
GPU Boost Clock Speed 1710MHz Not Known
Pixel Rate 109.4 GPixel/s 8.37 GPixel/s
GPU Memory Speed 1750MHz 1252MHz
GPU Render Output Units (ROPs) 64 8
No. of Supported Displays 4 Not Known
Performance Performance Asus GeForce ROG Strix RTX 2080 Gaming Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1515MHz 1046MHz
Pixel Rate 109.4 GPixel/s 8.37 GPixel/s
FLOPS (Floating-point Performance) 10.07 TFLOPS 0.8 TFLOPS
Texture Filter Rate 314.6 GTexels/s 16.7 GTexels/s
GPU Memory Speed 1750MHz 1252MHz
Total GPU Shading Units 2944 384
Total GPU TMUs 184 16
GPU Boost Clock Speed 1710MHz Not Known
GPU Render Output Units (ROPs) 64 8
DPFP (Double Precision Floating Point) Support No No
Features Features Asus GeForce ROG Strix RTX 2080 Gaming Nvidia GeForce GT 640 GDDR5
DirectX Version Info 12 11.1
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 1.2 1.1
Multi-display Tech Support Yes Yes
GPU Temperature Under Load 74°C Not Known
Idle GPU Temperature 30°C Not Known
3D Support Yes Yes
Noise Level Under Load 45dB Not Known
Idle Noise Level 40.3dB Not Known
Idle Power Consumption 53W Not Known
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 ROG Strix RTX 2080 Gaming Nvidia GeForce GT 640 GDDR5
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Asus GeForce ROG Strix RTX 2080 Gaming Nvidia GeForce GT 640 GDDR5
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 2 0
No. of HDMI Ports 2 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Asus GeForce ROG Strix RTX 2080 Gaming Nvidia GeForce GT 640 GDDR5
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 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 299.7mm 145mm
Height 130.4mm 111mm
Memory Memory Asus GeForce ROG Strix RTX 2080 Gaming Nvidia GeForce GT 640 GDDR5
Effective Memory Clock 14000MHz 5008MHz
Max Memory Bandwidth 448GB/s 40GB/s
RAM 8GB 1GB
Memory Bus Interface Width 256bit 64bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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