Zotac Gaming GeForce RTX 2080 Blower vs Nvidia GeForce GT 620

VS
Zotac Gaming GeForce RTX 2080 Blower
Zotac Gaming GeForce RTX 2080 Blower Image
Nvidia GeForce GT 620
Nvidia GeForce GT 620 Image
Zotac Gaming GeForce RTX 2080 Blower
Nvidia GeForce GT 620
Key Differences Key Differences Zotac Gaming GeForce RTX 2080 Blower Nvidia GeForce GT 620
GPU Base Clock Speed 1515MHz 700MHz
GPU Boost Clock Speed 1710MHz Not Known
Pixel Rate 109.4 GPixel/s 2.8 GPixel/s
GPU Memory Speed 1750MHz 900MHz
GPU Render Output Units (ROPs) 64 4
No. of Supported Displays 4 Not Known
Performance Performance Zotac Gaming GeForce RTX 2080 Blower Nvidia GeForce GT 620
GPU Base Clock Speed 1515MHz 700MHz
Pixel Rate 109.4 GPixel/s 2.8 GPixel/s
FLOPS (Floating-point Performance) 10.07 TFLOPS 0.27 TFLOPS
Texture Filter Rate 314.6 GTexels/s 11.2 GTexels/s
GPU Memory Speed 1750MHz 900MHz
Total GPU Shading Units 2944 96
Total GPU TMUs 184 16
GPU Boost Clock Speed 1710MHz Not Known
GPU Render Output Units (ROPs) 64 4
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac Gaming GeForce RTX 2080 Blower Nvidia GeForce GT 620
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 1.2 1.1
Multi-display Tech Support Yes No
GPU Temperature Under Load 74°C Not Known
Idle GPU Temperature 30°C Not Known
3D Support Yes No
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 436
PassMark (DirectCompute) Benchmark Result Not Known 271
Ray Tracing Support No No
Miscellaneous Miscellaneous Zotac Gaming GeForce RTX 2080 Blower Nvidia GeForce GT 620
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Zotac Gaming GeForce RTX 2080 Blower Nvidia GeForce GT 620
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 Blower Nvidia GeForce GT 620
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 585 million
Semiconductor Size 12nm 40nm
PCI Express Version 3 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 268mm 145mm
Height 113mm 111mm
Memory Memory Zotac Gaming GeForce RTX 2080 Blower Nvidia GeForce GT 620
Effective Memory Clock 14000MHz 1800MHz
Max Memory Bandwidth 448GB/s 14.4GB/s
RAM 8GB 1GB
Memory Bus Interface Width 256bit 64bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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