Asus ROG Poseidon GTX 1080 Ti Platinum vs Nvidia GeForce GT 640 GDDR5

VS
Asus ROG Poseidon GTX 1080 Ti Platinum
Asus ROG Poseidon GTX 1080 Ti Platinum Image
Nvidia GeForce GT 640 GDDR5
Nvidia GeForce GT 640 GDDR5 Image
Asus ROG Poseidon GTX 1080 Ti Platinum
Nvidia GeForce GT 640 GDDR5
Key Differences Key Differences Asus ROG Poseidon GTX 1080 Ti Platinum Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1594MHz 1046MHz
GPU Boost Clock Speed 1708MHz Not Known
Pixel Rate 150.3 GPixel/s 8.37 GPixel/s
GPU Memory Speed 1376MHz 1252MHz
GPU Render Output Units (ROPs) 88 8
No. of Supported Displays Not Known Not Known
Performance Performance Asus ROG Poseidon GTX 1080 Ti Platinum Nvidia GeForce GT 640 GDDR5
GPU Base Clock Speed 1594MHz 1046MHz
Pixel Rate 150.3 GPixel/s 8.37 GPixel/s
FLOPS (Floating-point Performance) 12.24 TFLOPS 0.8 TFLOPS
Texture Filter Rate 382.6 GTexels/s 16.7 GTexels/s
GPU Memory Speed 1376MHz 1252MHz
Total GPU Shading Units 3584 384
Total GPU TMUs 224 16
GPU Boost Clock Speed 1708MHz Not Known
GPU Render Output Units (ROPs) 88 8
DPFP (Double Precision Floating Point) Support No No
Features Features Asus ROG Poseidon GTX 1080 Ti Platinum Nvidia GeForce GT 640 GDDR5
DirectX Version Info 12 11.1
OpenGL Driver Version 4.5 4.3
OpenCL Driver Version 1.2 1.1
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
3D Support Yes Yes
Idle Power Consumption 82W Not Known
Multi-GPU Support Count 2 Not Known
Ray Tracing Support Yes No
Multi-display Tech Support No Yes
Ports Ports Asus ROG Poseidon GTX 1080 Ti Platinum Nvidia GeForce GT 640 GDDR5
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 Poseidon GTX 1080 Ti Platinum Nvidia GeForce GT 640 GDDR5
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 298mm 145mm
Height 158mm 111mm
Air-water Cooling Support No No
Memory Memory Asus ROG Poseidon GTX 1080 Ti Platinum Nvidia GeForce GT 640 GDDR5
Effective Memory Clock 11010MHz 5008MHz
Max Memory Bandwidth 484.4GB/s 40GB/s
RAM 11GB 1GB
Memory Bus Interface Width 352bit 64bit
GDDR Memory Version 5 5
ECC (Error-Correcting Code) Memory Support No No

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