ASRock Radeon RX 6800 XT Taichi X OC vs Asus Radeon R9 390 DirectCU II

VS

ASRock Radeon RX 6800 XT Taichi X OC

ASRock Radeon RX 6800 XT Taichi X OC Image

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Asus Radeon R9 390 DirectCU II

Asus Radeon R9 390 DirectCU II Image

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ASRock Radeon RX 6800 XT Taichi X OC

Asus Radeon R9 390 DirectCU II

Key Differences	ASRock Radeon RX 6800 XT Taichi X OC	Asus Radeon R9 390 DirectCU II
GPU Base Clock Speed	1925MHz	1000MHz
GPU Boost Clock Speed	2360MHz	Not Known
Pixel Rate	302.1 GPixel/s	64 GPixel/s
GPU Memory Speed	2000MHz	1500MHz
GPU Render Output Units (ROPs)	128	64
No. of Supported Displays	4	6

Performance	ASRock Radeon RX 6800 XT Taichi X OC	Asus Radeon R9 390 DirectCU II
GPU Base Clock Speed	1925MHz	1000MHz
Pixel Rate	302.1 GPixel/s	64 GPixel/s
FLOPS (Floating-point Performance)	21.75 TFLOPS	5.12 TFLOPS
GPU Memory Speed	2000MHz	1500MHz
Texture Filter Rate	679.7 GTexels/s	160 GTexels/s
Total GPU Shading Units	4608	2560
Total GPU TMUs	288	160
GPU Boost Clock Speed	2360MHz	Not Known
GPU Render Output Units (ROPs)	128	64
DPFP (Double Precision Floating Point) Support	No	No

Features	ASRock Radeon RX 6800 XT Taichi X OC	Asus Radeon R9 390 DirectCU II
DirectX Version Info	12	12
OpenGL Driver Version	4.6	4.5
OpenCL Driver Version	2.1	2.1
Multi-display Tech Support	Yes	Yes
3D Support	Yes	Yes
Ray Tracing Support	Yes	No
No. of Supported Displays	4	6
Multi-GPU Support Count	Not Known	4

Ports	ASRock Radeon RX 6800 XT Taichi X OC	Asus Radeon R9 390 DirectCU II
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	2
Mini DisplayPort Output	0	0

General info	ASRock Radeon RX 6800 XT Taichi X OC	Asus Radeon R9 390 DirectCU II
TDP (Thermal Design Point)	No Data Found	No Data Found
Transistor Count	26800 million	6200 million
Semiconductor Size	7nm	28nm
PCI Express Version	4	3
Dual-GPU Support	No	No
Air-water Cooling Support	No	No
Width Size	330mm	287mm
Height	140mm	Not Known

Memory	ASRock Radeon RX 6800 XT Taichi X OC	Asus Radeon R9 390 DirectCU II
Effective Memory Clock	16000MHz	6000MHz
Max Memory Bandwidth	512GB/s	384GB/s
RAM	16GB	8GB
Memory Bus Interface Width	256bit	512bit
GDDR Memory Version	6	5
ECC (Error-Correcting Code) Memory Support	No	No

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