Gainward GeForce RTX 3080 Phoenix vs Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB

VS
Gainward GeForce RTX 3080 Phoenix
Gainward GeForce RTX 3080 Phoenix Image
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB Image
Gainward GeForce RTX 3080 Phoenix
Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Key Differences Key Differences Gainward GeForce RTX 3080 Phoenix Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
GPU Base Clock Speed 1440MHz 720MHz
GPU Boost Clock Speed 1710MHz Not Known
Pixel Rate 164.2 GPixel/s 6.38 GPixel/s
GPU Memory Speed 1188MHz 891MHz
GPU Render Output Units (ROPs) 96 Not Known
No. of Supported Displays Not Known Not Known
Performance Performance Gainward GeForce RTX 3080 Phoenix Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
GPU Base Clock Speed 1440MHz 720MHz
Pixel Rate 164.2 GPixel/s 6.38 GPixel/s
FLOPS (Floating-point Performance) 29.77 TFLOPS 0.61 TFLOPS
GPU Memory Speed 1188MHz 891MHz
Texture Filter Rate 465.1 GTexels/s 17 GTexels/s
Total GPU Shading Units 8704 144
Total GPU TMUs 272 Not Known
GPU Boost Clock Speed 1710MHz Not Known
GPU Render Output Units (ROPs) 96 Not Known
DPFP (Double Precision Floating Point) Support No No
Features Features Gainward GeForce RTX 3080 Phoenix Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
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 Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
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 Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 28000 million 1270 million
Semiconductor Size 8nm 28nm
PCI Express Version 4 2
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 Nvidia GeForce GT 640 OEM 192-bit DDR3 3GB
Effective Memory Clock 19000MHz 1782MHz
Max Memory Bandwidth 760GB/s 43GB/s
RAM 10GB 3GB
Memory Bus Interface Width 320bit 192bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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