Palit GeForce RTX 3070 GameRock OC vs Zotac GeForce GT 640 1GB

VS
Palit GeForce RTX 3070 GameRock OC
Palit GeForce RTX 3070 GameRock OC Image
Zotac GeForce GT 640 1GB
Zotac GeForce GT 640 1GB Image
Palit GeForce RTX 3070 GameRock OC
Zotac GeForce GT 640 1GB
Key Differences Key Differences Palit GeForce RTX 3070 GameRock OC Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1500MHz 1046MHz
GPU Boost Clock Speed 1845MHz Not Known
Pixel Rate 177.1 GPixel/s 7.22 GPixel/s
GPU Memory Speed 1750MHz 1250MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays 4 Not Known
Performance Performance Palit GeForce RTX 3070 GameRock OC Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1500MHz 1046MHz
Pixel Rate 177.1 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 21.73 TFLOPS 0.69 TFLOPS
GPU Memory Speed 1750MHz 1250MHz
Texture Filter Rate 339.5 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 5888 384
Total GPU TMUs 184 32
GPU Boost Clock Speed 1845MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features Palit GeForce RTX 3070 GameRock 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
Ray Tracing Support Yes No
No. of Supported Displays 4 Not Known
Ports Ports Palit GeForce RTX 3070 GameRock 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 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Palit GeForce RTX 3070 GameRock OC 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 304mm 145mm
Height 136mm 111mm
Memory Memory Palit GeForce RTX 3070 GameRock OC 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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