Nvidia GeForce RTX 3090 vs Gainward GeForce GT 640 2GB

VS
Nvidia GeForce RTX 3090
Nvidia GeForce RTX 3090 Image
Gainward GeForce GT 640 2GB
Gainward GeForce GT 640 2GB Image
Nvidia GeForce RTX 3090
Gainward GeForce GT 640 2GB
Key Differences Key Differences Nvidia GeForce RTX 3090 Gainward GeForce GT 640 2GB
GPU Base Clock Speed 1395MHz 900MHz
GPU Boost Clock Speed 1695MHz Not Known
Pixel Rate 189.8 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1219MHz 891MHz
GPU Render Output Units (ROPs) 112 16
No. of Supported Displays Not Known Not Known
Performance Performance Nvidia GeForce RTX 3090 Gainward GeForce GT 640 2GB
GPU Base Clock Speed 1395MHz 900MHz
Pixel Rate 189.8 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 35.58 TFLOPS 0.69 TFLOPS
GPU Memory Speed 1219MHz 891MHz
Texture Filter Rate 556 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 10496 384
Total GPU TMUs 328 32
GPU Boost Clock Speed 1695MHz Not Known
GPU Render Output Units (ROPs) 112 16
DPFP (Double Precision Floating Point) Support No No
Features Features Nvidia GeForce RTX 3090 Gainward GeForce GT 640 2GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ports Ports Nvidia GeForce RTX 3090 Gainward GeForce GT 640 2GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 1 0
No. of HDMI Ports 3 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Nvidia GeForce RTX 3090 Gainward GeForce GT 640 2GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28300 million 1270 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 313mm 150mm
Height 138mm 111mm
Memory Memory Nvidia GeForce RTX 3090 Gainward GeForce GT 640 2GB
Effective Memory Clock 19500MHz 1782MHz
Max Memory Bandwidth 936GB/s 28.5GB/s
RAM 24GB 2GB
Memory Bus Interface Width 384bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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