Gigabyte Radeon RX 6800 vs Gainward GeForce GT 640 2GB

VS
Gigabyte Radeon RX 6800
Gigabyte Radeon RX 6800 Image
Gainward GeForce GT 640 2GB
Gainward GeForce GT 640 2GB Image
Gigabyte Radeon RX 6800
Gainward GeForce GT 640 2GB
Key Differences Key Differences Gigabyte Radeon RX 6800 Gainward GeForce GT 640 2GB
GPU Base Clock Speed 1372MHz 900MHz
GPU Boost Clock Speed 2105MHz Not Known
Pixel Rate 202.1 GPixel/s 7.22 GPixel/s
GPU Memory Speed 2000MHz 891MHz
GPU Render Output Units (ROPs) 96 16
No. of Supported Displays 4 Not Known
Performance Performance Gigabyte Radeon RX 6800 Gainward GeForce GT 640 2GB
GPU Base Clock Speed 1372MHz 900MHz
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 891MHz
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 Gigabyte Radeon RX 6800 Gainward GeForce GT 640 2GB
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
PassMark (G3D) Score Not Known 644
PassMark (DirectCompute) Benchmark Result Not Known 1297
Miscellaneous Miscellaneous Gigabyte Radeon RX 6800 Gainward GeForce GT 640 2GB
No. of USB Ports 1 No Data Found
USB Type-C Support Yes No Data Found
Ports Ports Gigabyte Radeon RX 6800 Gainward GeForce GT 640 2GB
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 Gigabyte Radeon RX 6800 Gainward GeForce GT 640 2GB
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 150mm
Height 120mm 111mm
Memory Memory Gigabyte Radeon RX 6800 Gainward GeForce GT 640 2GB
Effective Memory Clock 16000MHz 1782MHz
Max Memory Bandwidth 512GB/s 28.5GB/s
RAM 16GB 2GB
Memory Bus Interface Width 256bit 128bit
GDDR Memory Version 6 Not Known
ECC (Error-Correcting Code) Memory Support No No

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