Gigabyte GeForce RTX 3090 Eagle OC vs Zotac GeForce GT 640 1GB

VS
Gigabyte GeForce RTX 3090 Eagle OC
Gigabyte GeForce RTX 3090 Eagle OC Image
Zotac GeForce GT 640 1GB
Zotac GeForce GT 640 1GB Image
Gigabyte GeForce RTX 3090 Eagle OC
Zotac GeForce GT 640 1GB
Key Differences Key Differences Gigabyte GeForce RTX 3090 Eagle OC Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1395MHz 1046MHz
GPU Boost Clock Speed 1725MHz Not Known
Pixel Rate 193.2 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1219MHz 1250MHz
GPU Render Output Units (ROPs) 112 16
No. of Supported Displays 4 Not Known
Performance Performance Gigabyte GeForce RTX 3090 Eagle OC Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1395MHz 1046MHz
Pixel Rate 193.2 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 36.21 TFLOPS 0.69 TFLOPS
GPU Memory Speed 1219MHz 1250MHz
Texture Filter Rate 565.8 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 10496 384
Total GPU TMUs 328 32
GPU Boost Clock Speed 1725MHz Not Known
GPU Render Output Units (ROPs) 112 16
DPFP (Double Precision Floating Point) Support No No
Features Features Gigabyte GeForce RTX 3090 Eagle OC Zotac GeForce GT 640 1GB
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
Multi-GPU Support Count 2 Not Known
No. of Supported Displays 4 Not Known
Ray Tracing Support No No
Ports Ports Gigabyte GeForce RTX 3090 Eagle OC Zotac GeForce GT 640 1GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 0
No. of HDMI Ports 2 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Gigabyte GeForce RTX 3090 Eagle OC Zotac GeForce GT 640 1GB
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 320mm 145mm
Height 128mm 111mm
Memory Memory Gigabyte GeForce RTX 3090 Eagle OC Zotac GeForce GT 640 1GB
Effective Memory Clock 19500MHz 5000MHz
Max Memory Bandwidth 936GB/s 28.5GB/s
RAM 24GB 1GB
Memory Bus Interface Width 384bit 64bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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