Zotac GeForce RTX 3080 AMP Extreme Holo vs Nvidia GeForce GT 640 GDDR5

VS
Zotac GeForce RTX 3080 AMP Extreme Holo
Zotac GeForce RTX 3080 AMP Extreme Holo Image
Nvidia GeForce GT 640 GDDR5
Nvidia GeForce GT 640 GDDR5 Image
Zotac GeForce RTX 3080 AMP Extreme Holo
Nvidia GeForce GT 640 GDDR5
Key Differences Key Differences Zotac GeForce RTX 3080 AMP Extreme Holo Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1440MHz 1046MHz
GPU Boost Clock Speed 1800MHz Not Known
Pixel Rate 172.8 GPixel/s 8.37 GPixel/s
GPU Memory Speed 1188MHz 1252MHz
GPU Render Output Units (ROPs) 96 8
No. of Supported Displays 4 Not Known
Performance Performance Zotac GeForce RTX 3080 AMP Extreme Holo Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1440MHz 1046MHz
Pixel Rate 172.8 GPixel/s 8.37 GPixel/s
FLOPS (Floating-point Performance) 31.33 TFLOPS 0.8 TFLOPS
GPU Memory Speed 1188MHz 1252MHz
Texture Filter Rate 489.6 GTexels/s 16.7 GTexels/s
Total GPU Shading Units 8704 384
Total GPU TMUs 272 16
GPU Boost Clock Speed 1800MHz Not Known
GPU Render Output Units (ROPs) 96 8
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac GeForce RTX 3080 AMP Extreme Holo Nvidia GeForce GT 640 GDDR5
DirectX Version Info 12 11.1
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ports Ports Zotac GeForce RTX 3080 AMP Extreme Holo Nvidia GeForce GT 640 GDDR5
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 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 GeForce RTX 3080 AMP Extreme Holo Nvidia GeForce GT 640 GDDR5
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 1270 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size Not Known 145mm
Height Not Known 111mm
Memory Memory Zotac GeForce RTX 3080 AMP Extreme Holo Nvidia GeForce GT 640 GDDR5
Effective Memory Clock 19000MHz 5008MHz
Max Memory Bandwidth 760.3GB/s 40GB/s
RAM 10GB 1GB
Memory Bus Interface Width 320bit 64bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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