Sapphire Radeon RX 6800 vs Zotac GeForce GT 640 1GB

VS
Sapphire Radeon RX 6800
Sapphire Radeon RX 6800 Image
Zotac GeForce GT 640 1GB
Zotac GeForce GT 640 1GB Image
Sapphire Radeon RX 6800
Zotac GeForce GT 640 1GB
Key Differences Key Differences Sapphire Radeon RX 6800 Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1700MHz 1046MHz
GPU Boost Clock Speed 2105MHz Not Known
Pixel Rate 202.1 GPixel/s 7.22 GPixel/s
GPU Memory Speed 2000MHz 1250MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays 4 Not Known
Performance Performance Sapphire Radeon RX 6800 Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1700MHz 1046MHz
Pixel Rate 202.1 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 16.17 TFLOPS 0.69 TFLOPS
Texture Filter Rate 505.2 GTexels/s 28.8 GTexels/s
GPU Memory Speed 2000MHz 1250MHz
Total GPU Shading Units 3840 384
Total GPU TMUs 240 32
GPU Boost Clock Speed 2105MHz Not Known
GPU Render Output Units (ROPs) 96 16
DPFP (Double Precision Floating Point) Support No No
Features Features Sapphire Radeon RX 6800 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
Miscellaneous Miscellaneous Sapphire Radeon RX 6800 Zotac GeForce GT 640 1GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Sapphire Radeon RX 6800 Zotac GeForce GT 640 1GB
HDMI Output Support Yes Yes
DisplayPort Output 2 0
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 0
General info General info Sapphire Radeon RX 6800 Zotac GeForce GT 640 1GB
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 1270 million
Semiconductor Size 7nm 28nm
PCI Express Version 4 3
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 266.7mm 145mm
Height 119.8mm 111mm
Memory Memory Sapphire Radeon RX 6800 Zotac GeForce GT 640 1GB
Effective Memory Clock 16000MHz 5000MHz
Max Memory Bandwidth 512GB/s 28.5GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 64bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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