Zotac GeForce RTX 2070 Super AMP Extreme vs Nvidia GeForce GTX 645 OEM

VS
Zotac GeForce RTX 2070 Super AMP Extreme
Zotac GeForce RTX 2070 Super AMP Extreme Image
Nvidia GeForce GTX 645 OEM
Nvidia GeForce GTX 645 OEM Image
Zotac GeForce RTX 2070 Super AMP Extreme
Nvidia GeForce GTX 645 OEM
Key Differences Key Differences Zotac GeForce RTX 2070 Super AMP Extreme Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1605MHz 823MHz
GPU Boost Clock Speed 1830MHz 888MHz
Pixel Rate 117.1 GPixel/s 9.88 GPixel/s
GPU Memory Speed 1750MHz 1000MHz
GPU Render Output Units (ROPs) 64 16
No. of Supported Displays 4 4
Performance Performance Zotac GeForce RTX 2070 Super AMP Extreme Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1605MHz 823MHz
Pixel Rate 117.1 GPixel/s 9.88 GPixel/s
FLOPS (Floating-point Performance) 9.37 TFLOPS 0.95 TFLOPS
GPU Memory Speed 1750MHz 1000MHz
Texture Filter Rate 292.8 GTexels/s 39.5 GTexels/s
Total GPU Shading Units 2560 576
Total GPU TMUs 160 48
GPU Boost Clock Speed 1830MHz 888MHz
GPU Render Output Units (ROPs) 64 16
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac GeForce RTX 2070 Super AMP Extreme Nvidia GeForce GTX 645 OEM
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
Noise Level Under Load 45.5dB Not Known
3D Support Yes Yes
Idle Noise Level 41dB Not Known
Idle Power Consumption 53W Not Known
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 4
PassMark (G3D) Score Not Known 1977
PassMark (DirectCompute) Benchmark Result Not Known 943
Ray Tracing Support No No
Ports Ports Zotac GeForce RTX 2070 Super AMP Extreme Nvidia GeForce GTX 645 OEM
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 2
Mini DisplayPort Output 0 0
General info General info Zotac GeForce RTX 2070 Super AMP Extreme Nvidia GeForce GTX 645 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 13600 million 2540 million
Semiconductor Size 12nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 308mm 145mm
Height 113mm 111mm
Memory Memory Zotac GeForce RTX 2070 Super AMP Extreme Nvidia GeForce GTX 645 OEM
Effective Memory Clock 14000MHz 4000MHz
Max Memory Bandwidth 448GB/s 64GB/s
RAM 8GB 1GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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