EVGA GeForce RTX 3070 FTW3 Ultra Gaming vs Zotac GeForce GT 640 1GB

VS
EVGA GeForce RTX 3070 FTW3 Ultra Gaming
EVGA GeForce RTX 3070 FTW3 Ultra Gaming Image
Zotac GeForce GT 640 1GB
Zotac GeForce GT 640 1GB Image
EVGA GeForce RTX 3070 FTW3 Ultra Gaming
Zotac GeForce GT 640 1GB
Key Differences Key Differences EVGA GeForce RTX 3070 FTW3 Ultra Gaming Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1500MHz 1046MHz
GPU Boost Clock Speed 1815MHz Not Known
Pixel Rate 174.2 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays Not Known Not Known
Performance Performance EVGA GeForce RTX 3070 FTW3 Ultra Gaming Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1500MHz 1046MHz
Pixel Rate 174.2 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 21.37 TFLOPS 0.69 TFLOPS
GPU Memory Speed 1750MHz 1250MHz
Texture Filter Rate 334 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 5888 384
Total GPU TMUs 184 32
GPU Boost Clock Speed 1815MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features EVGA GeForce RTX 3070 FTW3 Ultra Gaming 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
Ray Tracing Support Yes No
Ports Ports EVGA GeForce RTX 3070 FTW3 Ultra Gaming 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 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info EVGA GeForce RTX 3070 FTW3 Ultra Gaming Zotac GeForce GT 640 1GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 17400 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 300mm 145mm
Height 136.8mm 111mm
Memory Memory EVGA GeForce RTX 3070 FTW3 Ultra Gaming Zotac GeForce GT 640 1GB
Effective Memory Clock 14000MHz 5000MHz
Max Memory Bandwidth 448GB/s 28.5GB/s
RAM 8GB 1GB
Memory Bus Interface Width 256bit 64bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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