PowerColor Red Devil Radeon RX 6800 XT vs AMD Radeon HD 6850

VS
PowerColor Red Devil Radeon RX 6800 XT
PowerColor Red Devil Radeon RX 6800 XT Image
AMD Radeon HD 6850
AMD Radeon HD 6850 Image
PowerColor Red Devil Radeon RX 6800 XT
AMD Radeon HD 6850
Key Differences Key Differences PowerColor Red Devil Radeon RX 6800 XT AMD Radeon HD 6850
GPU Base Clock Speed 1900MHz 775MHz
GPU Boost Clock Speed 2340MHz Not Known
Pixel Rate 299.5 GPixel/s 24.8 GPixel/s
GPU Memory Speed 2000MHz 1000MHz
GPU Render Output Units (ROPs) 128 32
No. of Supported Displays 4 3
Performance Performance PowerColor Red Devil Radeon RX 6800 XT AMD Radeon HD 6850
GPU Base Clock Speed 1900MHz 775MHz
Pixel Rate 299.5 GPixel/s 24.8 GPixel/s
FLOPS (Floating-point Performance) 21.57 TFLOPS 1.49 TFLOPS
GPU Memory Speed 2000MHz 1000MHz
Texture Filter Rate 673.9 GTexels/s 37.2 GTexels/s
Total GPU Shading Units 4608 960
Total GPU TMUs 288 48
GPU Boost Clock Speed 2340MHz Not Known
GPU Render Output Units (ROPs) 128 32
DPFP (Double Precision Floating Point) Support No Yes
Features Features PowerColor Red Devil Radeon RX 6800 XT AMD Radeon HD 6850
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2.1 1.2
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Ray Tracing Support Yes No
No. of Supported Displays 4 3
PassMark (G3D) Score Not Known 2232
GPU Temperature Under Load Not Known 74°C
PassMark (DirectCompute) Benchmark Result Not Known 890
Idle GPU Temperature Not Known 38°C
Noise Level Under Load Not Known 47.7dB
Power Consumption Under Peak Load Not Known 270W
Idle Power Consumption Not Known 114W
Idle Noise Level Not Known 40.1dB
Multi-GPU Support Count Not Known 2
SmallLuxGPU (2.0d4) Result Not Known 7300
Ports Ports PowerColor Red Devil Radeon RX 6800 XT AMD Radeon HD 6850
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 2
Mini DisplayPort Output 0 2
General info General info PowerColor Red Devil Radeon RX 6800 XT AMD Radeon HD 6850
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 1700 million
Semiconductor Size 7nm 40nm
PCI Express Version 4 2
Dual-GPU Support No No
Air-water Cooling Support No No
Width Size 320mm 198mm
Height 135mm 100mm
Memory Memory PowerColor Red Devil Radeon RX 6800 XT AMD Radeon HD 6850
Effective Memory Clock 16000MHz 4000MHz
Max Memory Bandwidth 512GB/s 128GB/s
RAM 16GB 1GB
Memory Bus Interface Width 256bit 256bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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