ASRock Radeon RX 6800 XT Taichi X OC vs AMD Radeon HD 6990

VS
ASRock Radeon RX 6800 XT Taichi X OC
ASRock Radeon RX 6800 XT Taichi X OC Image
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AMD Radeon HD 6990
AMD Radeon HD 6990 Image
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ASRock Radeon RX 6800 XT Taichi X OC
AMD Radeon HD 6990
Key Differences Key Differences ASRock Radeon RX 6800 XT Taichi X OC AMD Radeon HD 6990
GPU Base Clock Speed 1925MHz 830MHz
GPU Boost Clock Speed 2360MHz 830MHz
Pixel Rate 302.1 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 ASRock Radeon RX 6800 XT Taichi X OC AMD Radeon HD 6990
GPU Base Clock Speed 1925MHz 830MHz
Pixel Rate 302.1 GPixel/s 53.2 GPixel/s
FLOPS (Floating-point Performance) 21.75 TFLOPS 5.1 TFLOPS
GPU Memory Speed 2000MHz 1250MHz
Texture Filter Rate 679.7 GTexels/s 159.4 GTexels/s
Total GPU Shading Units 4608 3072
Total GPU TMUs 288 192
GPU Boost Clock Speed 2360MHz 830MHz
GPU Render Output Units (ROPs) 128 64
DPFP (Double Precision Floating Point) Support No Yes
Features Features ASRock Radeon RX 6800 XT Taichi X OC 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
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
Multi-GPU Support Count Not Known 2
SmallLuxGPU (2.0d4) Result Not Known 10490
Ports Ports ASRock Radeon RX 6800 XT Taichi X OC AMD Radeon HD 6990
HDMI Output Support Yes Yes
GPU HDMI Version 2.1 Not Known
DisplayPort Output 2 1
No. of HDMI Ports 1 Not Known
DVI Output Ports 0 1
Mini DisplayPort Output 0 4
General info General info ASRock Radeon RX 6800 XT Taichi X OC 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 330mm 295mm
Height 140mm 112.25mm
Memory Memory ASRock Radeon RX 6800 XT Taichi X OC 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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