Zotac Gaming GeForce RTX 2080 AMP Extreme vs Nvidia GeForce GT 640 GDDR5

VS
Zotac Gaming GeForce RTX 2080 AMP Extreme
Zotac Gaming GeForce RTX 2080 AMP Extreme Image
Nvidia GeForce GT 640 GDDR5
Nvidia GeForce GT 640 GDDR5 Image
Zotac Gaming GeForce RTX 2080 AMP Extreme
Nvidia GeForce GT 640 GDDR5
Key Differences Key Differences Zotac Gaming GeForce RTX 2080 AMP Extreme Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1515MHz 1046MHz
GPU Boost Clock Speed 1905MHz Not Known
Pixel Rate 121.9 GPixel/s 8.37 GPixel/s
GPU Memory Speed 1800MHz 1252MHz
GPU Render Output Units (ROPs) 64 8
No. of Supported Displays 4 Not Known
Performance Performance Zotac Gaming GeForce RTX 2080 AMP Extreme Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1515MHz 1046MHz
Pixel Rate 121.9 GPixel/s 8.37 GPixel/s
FLOPS (Floating-point Performance) 11.22 TFLOPS 0.8 TFLOPS
Texture Filter Rate 350.5 GTexels/s 16.7 GTexels/s
GPU Memory Speed 1800MHz 1252MHz
Total GPU Shading Units 2944 384
Total GPU TMUs 184 16
GPU Boost Clock Speed 1905MHz Not Known
GPU Render Output Units (ROPs) 64 8
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac Gaming GeForce RTX 2080 AMP Extreme 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 Zotac Gaming GeForce RTX 2080 AMP Extreme Nvidia GeForce GT 640 GDDR5
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Zotac Gaming GeForce RTX 2080 AMP Extreme Nvidia GeForce GT 640 GDDR5
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 Zotac Gaming GeForce RTX 2080 AMP Extreme 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 324mm 145mm
Height 136mm 111mm
Memory Memory Zotac Gaming GeForce RTX 2080 AMP Extreme Nvidia GeForce GT 640 GDDR5
Effective Memory Clock 14400MHz 5008MHz
Max Memory Bandwidth 460.8GB/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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