Asus ROG Strix GTX 1080 Ti Gaming vs Zotac GeForce GT 640 2GB

VS
Asus ROG Strix GTX 1080 Ti Gaming
Asus ROG Strix GTX 1080 Ti Gaming Image
Zotac GeForce GT 640 2GB
Zotac GeForce GT 640 2GB Image
Asus ROG Strix GTX 1080 Ti Gaming
Zotac GeForce GT 640 2GB
Key Differences Key Differences Asus ROG Strix GTX 1080 Ti Gaming Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1493MHz 1046MHz
GPU Boost Clock Speed 1607MHz Not Known
Pixel Rate 141.4 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 Asus ROG Strix GTX 1080 Ti Gaming Zotac GeForce GT 640 2GB
GPU Base Clock Speed 1493MHz 1046MHz
Pixel Rate 141.4 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 11.52 TFLOPS 0.69 TFLOPS
Texture Filter Rate 360 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 1607MHz Not Known
GPU Render Output Units (ROPs) 88 16
DPFP (Double Precision Floating Point) Support No No
Features Features Asus ROG Strix GTX 1080 Ti Gaming Zotac GeForce GT 640 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 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 Asus ROG Strix GTX 1080 Ti Gaming Zotac GeForce GT 640 2GB
HDMI Output Support Yes Yes
GPU HDMI Version 2 Not Known
DisplayPort Output 2 0
No. of HDMI Ports 2 Not Known
DVI Output Ports 1 1
Mini DisplayPort Output 0 0
General info General info Asus ROG Strix GTX 1080 Ti Gaming 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 298mm 145mm
Height 134mm 111mm
Air-water Cooling Support No No
Memory Memory Asus ROG Strix GTX 1080 Ti Gaming Zotac GeForce GT 640 2GB
Effective Memory Clock 11010MHz 5000MHz
Max Memory Bandwidth 484.4GB/s 28.5GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 128bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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