Galax GeForce RTX 3070 EX Gamer 1-Click OC vs Nvidia GeForce GT 640 OEM GDDR5 2GB

VS
Galax GeForce RTX 3070 EX Gamer 1-Click OC
Galax GeForce RTX 3070 EX Gamer 1-Click OC Image
Nvidia GeForce GT 640 OEM GDDR5 2GB
Nvidia GeForce GT 640 OEM GDDR5 2GB Image
Galax GeForce RTX 3070 EX Gamer 1-Click OC
Nvidia GeForce GT 640 OEM GDDR5 2GB
Key Differences Key Differences Galax GeForce RTX 3070 EX Gamer 1-Click OC Nvidia GeForce GT 640 OEM GDDR5 2GB
GPU Base Clock Speed 1500MHz 950MHz
GPU Boost Clock Speed 1755MHz Not Known
Pixel Rate 112.3 GPixel/s 7.63 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 64 Not Known
No. of Supported Displays Not Known Not Known
Performance Performance Galax GeForce RTX 3070 EX Gamer 1-Click OC Nvidia GeForce GT 640 OEM GDDR5 2GB
GPU Base Clock Speed 1500MHz 950MHz
Pixel Rate 112.3 GPixel/s 7.63 GPixel/s
FLOPS (Floating-point Performance) 20.67 TFLOPS 0.73 TFLOPS
Texture Filter Rate 322.9 GTexels/s 30.4 GTexels/s
GPU Memory Speed 1750MHz 1250MHz
Total GPU Shading Units 5888 384
Total GPU TMUs 184 Not Known
GPU Boost Clock Speed 1755MHz Not Known
GPU Render Output Units (ROPs) 64 Not Known
DPFP (Double Precision Floating Point) Support No No
Features Features Galax GeForce RTX 3070 EX Gamer 1-Click OC Nvidia GeForce GT 640 OEM GDDR5 2GB
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 Galax GeForce RTX 3070 EX Gamer 1-Click OC Nvidia GeForce GT 640 OEM GDDR5 2GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 0
Mini DisplayPort Output 0 0
General info General info Galax GeForce RTX 3070 EX Gamer 1-Click OC Nvidia GeForce GT 640 OEM GDDR5 2GB
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 330mm 145mm
Height 142mm 111mm
Memory Memory Galax GeForce RTX 3070 EX Gamer 1-Click OC Nvidia GeForce GT 640 OEM GDDR5 2GB
Max Memory Bandwidth 448GB/s 80GB/s
RAM 8GB 2GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 5
Effective Memory Clock Not Known 5000MHz
ECC (Error-Correcting Code) Memory Support No No

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