Palit GTX 1080 Ti Super JetStream vs Zotac GeForce GT 640 2GB

VS
Palit GTX 1080 Ti Super JetStream
Palit GTX 1080 Ti Super JetStream Image
Zotac GeForce GT 640 2GB
Zotac GeForce GT 640 2GB Image
Palit GTX 1080 Ti Super JetStream
Zotac GeForce GT 640 2GB
Key Differences Key Differences Palit GTX 1080 Ti Super JetStream Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1556MHz 1046MHz
GPU Boost Clock Speed 1670MHz Not Known
Pixel Rate 147 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1376MHz 1250MHz
GPU Render Output Units (ROPs) 88 16
No. of Supported Displays 4 Not Known
Performance Performance Palit GTX 1080 Ti Super JetStream Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1556MHz 1046MHz
Pixel Rate 147 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 11.97 TFLOPS 0.69 TFLOPS
Texture Filter Rate 374.1 GTexels/s 28.8 GTexels/s
GPU Memory Speed 1376MHz 1250MHz
Total GPU Shading Units 3584 384
Total GPU TMUs 224 32
GPU Boost Clock Speed 1670MHz Not Known
GPU Render Output Units (ROPs) 88 16
DPFP (Double Precision Floating Point) Support No No
Features Features Palit GTX 1080 Ti Super JetStream Zotac GeForce GT 640 2GB
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
PassMark (G3D) Score 13470 Not Known
GPU Temperature Under Load 84°C Not Known
PassMark (DirectCompute) Benchmark Result 9456 Not Known
Idle GPU Temperature 33°C Not Known
3D Support Yes Yes
Noise Level Under Load 55.4dB Not Known
Idle Power Consumption 82W Not Known
Idle Noise Level 40.7dB Not Known
Ray Tracing Support Yes No
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 Not Known
Ports Ports Palit GTX 1080 Ti Super JetStream Zotac GeForce GT 640 2GB
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 1 1
Mini DisplayPort Output 0 0
General info General info Palit GTX 1080 Ti Super JetStream Zotac GeForce GT 640 2GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 1270 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 3
Dual-GPU Support No No
Width Size 285mm 145mm
Height 133mm 111mm
Air-water Cooling Support No No
Memory Memory Palit GTX 1080 Ti Super JetStream Zotac GeForce GT 640 2GB
Effective Memory Clock 11008MHz 5000MHz
Max Memory Bandwidth 484.4GB/s 28.5GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 128bit
GDDR Memory Version Not Known 5
ECC (Error-Correcting Code) Memory Support No No

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