PNY GeForce RTX 2080 Dual Fan vs Nvidia GeForce GT 640

VS
PNY GeForce RTX 2080 Dual Fan
PNY GeForce RTX 2080 Dual Fan Image
Nvidia GeForce GT 640
Nvidia GeForce GT 640 Image
PNY GeForce RTX 2080 Dual Fan
Nvidia GeForce GT 640
Key Differences Key Differences PNY GeForce RTX 2080 Dual Fan Nvidia GeForce GT 640
GPU Base Clock Speed 1515MHz 902MHz
GPU Boost Clock Speed 1710MHz Not Known
Pixel Rate 109.4 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1750MHz 891MHz
GPU Render Output Units (ROPs) 64 16
No. of Supported Displays 4 Not Known
Performance Performance PNY GeForce RTX 2080 Dual Fan Nvidia GeForce GT 640
GPU Base Clock Speed 1515MHz 902MHz
Pixel Rate 109.4 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 10.07 TFLOPS 0.69 TFLOPS
Texture Filter Rate 314.6 GTexels/s 28.9 GTexels/s
GPU Memory Speed 1750MHz 891MHz
Total GPU Shading Units 2944 384
Total GPU TMUs 184 32
GPU Boost Clock Speed 1710MHz Not Known
GPU Render Output Units (ROPs) 64 16
DPFP (Double Precision Floating Point) Support No No
Features Features PNY GeForce RTX 2080 Dual Fan Nvidia GeForce GT 640
DirectX Version Info 12 11
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 PNY GeForce RTX 2080 Dual Fan Nvidia GeForce GT 640
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports PNY GeForce RTX 2080 Dual Fan Nvidia GeForce GT 640
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 2
Mini DisplayPort Output 0 0
General info General info PNY GeForce RTX 2080 Dual Fan Nvidia GeForce GT 640
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 1270 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 292.1mm 145mm
Height 114.3mm 111mm
Memory Memory PNY GeForce RTX 2080 Dual Fan Nvidia GeForce GT 640
Effective Memory Clock 14000MHz 1782MHz
Max Memory Bandwidth 448GB/s 28.5GB/s
RAM 8GB 2GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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