MSI Radeon RX 6800 XT Gaming Trio vs AMD Radeon HD 6990

VS
MSI Radeon RX 6800 XT Gaming Trio
MSI Radeon RX 6800 XT Gaming Trio Image
AMD Radeon HD 6990
AMD Radeon HD 6990 Image
MSI Radeon RX 6800 XT Gaming Trio
AMD Radeon HD 6990
Key Differences Key Differences MSI Radeon RX 6800 XT Gaming Trio AMD Radeon HD 6990
GPU Base Clock Speed 1825MHz 830MHz
GPU Boost Clock Speed 2250MHz 830MHz
Pixel Rate 288 GPixel/s 53.2 GPixel/s
GPU Memory Speed 2000MHz 1250MHz
GPU Render Output Units (ROPs) 128 64
No. of Supported Displays 4 Not Known
Performance Performance MSI Radeon RX 6800 XT Gaming Trio AMD Radeon HD 6990
GPU Base Clock Speed 1825MHz 830MHz
Pixel Rate 288 GPixel/s 53.2 GPixel/s
FLOPS (Floating-point Performance) 20.74 TFLOPS 5.1 TFLOPS
GPU Memory Speed 2000MHz 1250MHz
Texture Filter Rate 648 GTexels/s 159.4 GTexels/s
Total GPU Shading Units 4608 3072
Total GPU TMUs 288 192
GPU Boost Clock Speed 2250MHz 830MHz
GPU Render Output Units (ROPs) 128 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features MSI Radeon RX 6800 XT Gaming Trio AMD Radeon HD 6990
DirectX Version Info 12 11
OpenGL Driver Version 4.6 4.2
OpenCL Driver Version 2.1 1.1
Multi-display Tech Support Yes Yes
3D Support Yes Yes
Multi-GPU Support Count 2 2
Ray Tracing Support Yes No
No. of Supported Displays 4 Not Known
PassMark (G3D) Score Not Known 3371
GPU Temperature Under Load Not Known 86°C
PassMark (DirectCompute) Benchmark Result Not Known 1256
Idle GPU Temperature Not Known 46°C
Noise Level Under Load Not Known 70.2dB
Power Consumption Under Peak Load Not Known 491W
Idle Power Consumption Not Known 171W
Idle Noise Level Not Known 44.9dB
SmallLuxGPU (2.0d4) Result Not Known 10490
Ports Ports MSI Radeon RX 6800 XT Gaming Trio AMD Radeon HD 6990
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 3 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 4
General info General info MSI Radeon RX 6800 XT Gaming Trio AMD Radeon HD 6990
TDP (Thermal Design Point) No Data Found No Data Found
Transistor Count 26800 million 2640 million
Semiconductor Size 7nm 40nm
PCI Express Version 4 2
Dual-GPU Support No Yes
Air-water Cooling Support No No
Width Size 324mm 295mm
Height 141mm 112.25mm
Memory Memory MSI Radeon RX 6800 XT Gaming Trio AMD Radeon HD 6990
Effective Memory Clock 16000MHz 5000MHz
Max Memory Bandwidth 512GB/s 320GB/s
RAM 16GB 4GB
Memory Bus Interface Width 256bit 512bit
GDDR Memory Version 6 5
ECC (Error-Correcting Code) Memory Support No No

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