EVGA GTX 1080 Ti Black Edition w/ iCX Cooler vs Nvidia GeForce GT 640 OEM GDDR5 1GB

VS
EVGA GTX 1080 Ti Black Edition w/ iCX Cooler
EVGA GTX 1080 Ti Black Edition w/ iCX Cooler Image
Nvidia GeForce GT 640 OEM GDDR5 1GB
Nvidia GeForce GT 640 OEM GDDR5 1GB Image
EVGA GTX 1080 Ti Black Edition w/ iCX Cooler
Nvidia GeForce GT 640 OEM GDDR5 1GB
Key Differences Key Differences EVGA GTX 1080 Ti Black Edition w/ iCX Cooler Nvidia GeForce GT 640 OEM GDDR5 1GB
GPU Base Clock Speed 1480MHz 950MHz
GPU Boost Clock Speed 1582MHz Not Known
Pixel Rate 139.2 GPixel/s 7.63 GPixel/s
GPU Memory Speed 1376MHz 1250MHz
GPU Render Output Units (ROPs) 88 Not Known
No. of Supported Displays 5 Not Known
Performance Performance EVGA GTX 1080 Ti Black Edition w/ iCX Cooler Nvidia GeForce GT 640 OEM GDDR5 1GB
GPU Base Clock Speed 1480MHz 950MHz
Pixel Rate 139.2 GPixel/s 7.63 GPixel/s
FLOPS (Floating-point Performance) 11.34 TFLOPS 0.73 TFLOPS
Texture Filter Rate 354.4 GTexels/s 30.4 GTexels/s
GPU Memory Speed 1376MHz 1250MHz
Total GPU Shading Units 3584 384
Total GPU TMUs 224 Not Known
GPU Boost Clock Speed 1582MHz Not Known
GPU Render Output Units (ROPs) 88 Not Known
DPFP (Double Precision Floating Point) Support No No
Features Features EVGA GTX 1080 Ti Black Edition w/ iCX Cooler Nvidia GeForce GT 640 OEM GDDR5 1GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 1.2 Not Known
Multi-display Tech Support No 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
Noise Level Under Load 55.4dB Not Known
Idle Noise Level 40.7dB Not Known
Idle Power Consumption 82W Not Known
Ray Tracing Support Yes No
3D Support No Yes
No. of Supported Displays 5 Not Known
Ports Ports EVGA GTX 1080 Ti Black Edition w/ iCX Cooler Nvidia GeForce GT 640 OEM GDDR5 1GB
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 1 0
Mini DisplayPort Output 0 0
General info General info EVGA GTX 1080 Ti Black Edition w/ iCX Cooler Nvidia GeForce GT 640 OEM GDDR5 1GB
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 269mm 145mm
Height 118mm 111mm
Air-water Cooling Support No No
Memory Memory EVGA GTX 1080 Ti Black Edition w/ iCX Cooler Nvidia GeForce GT 640 OEM GDDR5 1GB
Effective Memory Clock 11008MHz 5000MHz
Max Memory Bandwidth 0GB/s 80GB/s
RAM 11GB 1GB
Memory Bus Interface Width 352bit 128bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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