XFX Radeon RX 6800 XT Gaming vs Zotac GeForce GT 640 1GB

VS
XFX Radeon RX 6800 XT Gaming
XFX Radeon RX 6800 XT Gaming Image
Zotac GeForce GT 640 1GB
Zotac GeForce GT 640 1GB Image
XFX Radeon RX 6800 XT Gaming
Zotac GeForce GT 640 1GB
Key Differences Key Differences XFX Radeon RX 6800 XT Gaming Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1825MHz 1046MHz
GPU Boost Clock Speed 2250MHz Not Known
Pixel Rate 288 GPixel/s 7.22 GPixel/s
GPU Memory Speed 2000MHz 1250MHz
GPU Render Output Units (ROPs) 128 16
No. of Supported Displays 4 Not Known
Performance Performance XFX Radeon RX 6800 XT Gaming Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1825MHz 1046MHz
Pixel Rate 288 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 41.47 TFLOPS 0.69 TFLOPS
GPU Memory Speed 2000MHz 1250MHz
Texture Filter Rate 648 GTexels/s 28.8 GTexels/s
Total GPU Shading Units 4608 384
Total GPU TMUs 288 32
GPU Boost Clock Speed 2250MHz Not Known
GPU Render Output Units (ROPs) 128 16
DPFP (Double Precision Floating Point) Support No No
Features Features XFX Radeon RX 6800 XT 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
No. of Supported Displays 4 Not Known
Miscellaneous Miscellaneous XFX Radeon RX 6800 XT Gaming Zotac GeForce GT 640 1GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports XFX Radeon RX 6800 XT Gaming Zotac GeForce GT 640 1GB
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
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 XFX Radeon RX 6800 XT Gaming 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 XFX Radeon RX 6800 XT Gaming 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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