Zotac Gaming GeForce RTX 2070 AMP Extreme Core vs Nvidia GeForce GTX 645 OEM

VS
Zotac Gaming GeForce RTX 2070 AMP Extreme Core
Zotac Gaming GeForce RTX 2070 AMP Extreme Core Image
Nvidia GeForce GTX 645 OEM
Nvidia GeForce GTX 645 OEM Image
Zotac Gaming GeForce RTX 2070 AMP Extreme Core
Nvidia GeForce GTX 645 OEM
Key Differences Key Differences Zotac Gaming GeForce RTX 2070 AMP Extreme Core Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1410MHz 823MHz
GPU Boost Clock Speed 1815MHz 888MHz
Pixel Rate 116.2 GPixel/s 9.88 GPixel/s
GPU Memory Speed 1800MHz 1000MHz
GPU Render Output Units (ROPs) 64 16
No. of Supported Displays 4 4
Performance Performance Zotac Gaming GeForce RTX 2070 AMP Extreme Core Nvidia GeForce GTX 645 OEM
GPU Base Clock Speed 1410MHz 823MHz
Pixel Rate 116.2 GPixel/s 9.88 GPixel/s
FLOPS (Floating-point Performance) 8.36 TFLOPS 0.95 TFLOPS
GPU Memory Speed 1800MHz 1000MHz
Texture Filter Rate 261.4 GTexels/s 39.5 GTexels/s
Total GPU Shading Units 2304 576
Total GPU TMUs 144 48
GPU Boost Clock Speed 1815MHz 888MHz
GPU Render Output Units (ROPs) 64 16
DPFP (Double Precision Floating Point) Support No No
Features Features Zotac Gaming GeForce RTX 2070 AMP Extreme Core 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 70°C Not Known
Idle GPU Temperature 30°C Not Known
Noise Level Under Load 42.3dB Not Known
3D Support Yes Yes
Idle Noise Level 40.3dB Not Known
Idle Power Consumption 53W 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
Miscellaneous Miscellaneous Zotac Gaming GeForce RTX 2070 AMP Extreme Core Nvidia GeForce GTX 645 OEM
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Zotac Gaming GeForce RTX 2070 AMP Extreme Core 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 Gaming GeForce RTX 2070 AMP Extreme Core Nvidia GeForce GTX 645 OEM
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 10800 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 Gaming GeForce RTX 2070 AMP Extreme Core Nvidia GeForce GTX 645 OEM
Effective Memory Clock 14400MHz 4000MHz
Max Memory Bandwidth 460.8GB/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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