AMD Radeon RX 6800 XT vs Zotac GeForce GT 640 1GB

VS
AMD Radeon RX 6800 XT
AMD Radeon RX 6800 XT Image
Zotac GeForce GT 640 1GB
Zotac GeForce GT 640 1GB Image
AMD Radeon RX 6800 XT
Zotac GeForce GT 640 1GB
Key Differences Key Differences AMD Radeon RX 6800 XT Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1487MHz 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 Not Known Not Known
Performance Performance AMD Radeon RX 6800 XT Zotac GeForce GT 640 1GB
GPU Base Clock Speed 1487MHz 1046MHz
Pixel Rate 288 GPixel/s 7.22 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 0.69 TFLOPS
Texture Filter Rate 648 GTexels/s 28.8 GTexels/s
GPU Memory Speed 2000MHz 1250MHz
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 AMD Radeon RX 6800 XT 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
Miscellaneous Miscellaneous AMD Radeon RX 6800 XT Zotac GeForce GT 640 1GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports AMD Radeon RX 6800 XT 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 AMD Radeon RX 6800 XT 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 267mm 145mm
Height 120mm 111mm
Memory Memory AMD Radeon RX 6800 XT 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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