MSI GTX 1080 Ti Lightning X vs Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB

VS
MSI GTX 1080 Ti Lightning X
MSI GTX 1080 Ti Lightning X Image
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB Image
MSI GTX 1080 Ti Lightning X
Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Key Differences Key Differences MSI GTX 1080 Ti Lightning X Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
GPU Base Clock Speed 1544MHz 720MHz
GPU Boost Clock Speed 1657MHz Not Known
Pixel Rate 145.8 GPixel/s 6.38 GPixel/s
GPU Memory Speed 1390MHz 891MHz
GPU Render Output Units (ROPs) 88 Not Known
No. of Supported Displays 4 Not Known
Performance Performance MSI GTX 1080 Ti Lightning X Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
GPU Base Clock Speed 1544MHz 720MHz
Pixel Rate 145.8 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 11.88 TFLOPS 0.61 TFLOPS
Texture Filter Rate 371.2 GTexels/s 17 GTexels/s
GPU Memory Speed 1390MHz 891MHz
Total GPU Shading Units 3584 144
Total GPU TMUs 224 Not Known
GPU Boost Clock Speed 1657MHz Not Known
GPU Render Output Units (ROPs) 88 Not Known
DPFP (Double Precision Floating Point) Support No No
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Features Features MSI GTX 1080 Ti Lightning X Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
DirectX Version Info 12 11
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 1.2 Not Known
Multi-display Tech Support Yes No
PassMark (G3D) Score 13470 644
GPU Temperature Under Load 84°C Not Known
PassMark (DirectCompute) Benchmark Result 9456 1297
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
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Ports Ports MSI GTX 1080 Ti Lightning X Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
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
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General info General info MSI GTX 1080 Ti Lightning X Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 12000 million 1270 million
Semiconductor Size 16nm 28nm
PCI Express Version 3 2
Dual-GPU Support No No
Width Size 320mm 145mm
Height 140mm 111mm
Air-water Cooling Support No No
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Memory Memory MSI GTX 1080 Ti Lightning X Nvidia GeForce GT 640 OEM 192-bit DDR3 1.5GB
Effective Memory Clock 11120MHz 1782MHz
Max Memory Bandwidth 489.3GB/s 43GB/s
RAM 11GB 2GB
Memory Bus Interface Width 352bit 192bit
GDDR Memory Version 5 Not Known
ECC (Error-Correcting Code) Memory Support No No
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