Gainward GeForce RTX 3080 Phoenix GS vs Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB

VS
Gainward GeForce RTX 3080 Phoenix GS
Gainward GeForce RTX 3080 Phoenix GS Image
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB Image
Gainward GeForce RTX 3080 Phoenix GS
Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Key Differences Key Differences Gainward GeForce RTX 3080 Phoenix GS Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
GPU Base Clock Speed 1440MHz 797MHz
GPU Boost Clock Speed 1740MHz Not Known
Pixel Rate 167 GPixel/s 6.38 GPixel/s
GPU Memory Speed 1188MHz 891MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays Not Known Not Known
Performance Performance Gainward GeForce RTX 3080 Phoenix GS Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
GPU Base Clock Speed 1440MHz 797MHz
Pixel Rate 167 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 30.29 TFLOPS 0.73 TFLOPS
GPU Memory Speed 1188MHz 891MHz
Texture Filter Rate 473.3 GTexels/s 25.5 GTexels/s
Total GPU Shading Units 8704 384
Total GPU TMUs 272 32
GPU Boost Clock Speed 1740MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3080 Phoenix GS Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.3
OpenCL Driver Version 2 Not Known
Multi-display Tech Support Yes No
3D Support Yes Yes
Ray Tracing Support Yes No
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Ports Ports Gainward GeForce RTX 3080 Phoenix GS Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gainward GeForce RTX 3080 Phoenix GS Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 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 294mm 145mm
Height 112mm 111mm
Memory Memory Gainward GeForce RTX 3080 Phoenix GS Nvidia GeForce GT 640 OEM 128-bit DDR3 1GB
Effective Memory Clock 19000MHz 1782MHz
Max Memory Bandwidth 760GB/s 28.5GB/s
RAM 10GB 1GB
Memory Bus Interface Width 320bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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