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AMD Radeon RX 6900 XT vs Nvidia GeForce RTX 3080

Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX 6900 XT on one side and Nvidia GeForce RTX 3080 on the other side. The first is dedicated to the desktop sector, it has 5120 shading units, a maximum frequency of 2.3 GHz, its lithography is 7 nm. The second is used on the desktop segment, it includes 8704 shading units, a maximum frequency of 1.7 GHz, its lithography is 8 nm. The following table also compares the boost clock, the number of shading units (if indicated), of execution units, the amount of cache memory, the maximum memory capacity, the memory bus width, the release date, the number of PCIe lanes, the values ​​obtained in various benchmarks.

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Specifications:

Graphics card		AMD Radeon RX 6900 XT				Nvidia GeForce RTX 3080
Market		Desktop				Desktop
Release date		Q4 2020				Q3 2020
Model number		215-121000167, Navi 21 XTX				GA102-200-K1-A1
GPU name		Navi 21				GA102
Architecture		RDNA 2.0				Ampere
Generation		Navi II RX 6000				GeForce 30
Lithography		7 nm				8 nm
Transistors		26,800,000,000				28,300,000,000
Bus interface		PCIe 4.0 x16				PCIe 4.0 x16
GPU base clock rate		1.83 GHz				1.44 GHz
GPU max clock rate		2.25 GHz				1.71 GHz
Memory frequency		2,000 MHz				1,188 MHz
Memory size		16 GB				10 GB
Memory type		GDDR6				GDDR6X
Memory bus		256 bit				320 bit
Memory bandwidth		512 GB/s				760 GB/s
TDP		300 W				320 W
Suggested PSU		700W ATX Power Supply #ad				750W ATX Power Supply #ad
Multicard technology		-				-
Outputs		1x HDMI 2x DisplayPort 1x USB Type-C				1x HDMI 3x DisplayPort
Maximum GPU Temperature		110°C				93°C
Shading units (cuda cores)		5,120				8,704
TMUs		320				272
ROPs		128				96
RT cores		80				68
Compute units | SM count		80				68
Cache memory		128 MB				5 MB
Pixel fillrate		288.0 GP/s				164.2 GP/s
Texture fillrate		720.0 GT/s				465.1 GT/s
Performance FP16 (half)		46.1 TFLOPS				29.8 TFLOPS
Performance FP32 (float)		23.0 TFLOPS				29.8 TFLOPS
Performance FP64 (double)		1.4 TFLOPS				465.1 GFLOPS
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We can better compare what are the technical differences between the two graphics cards.

Performances :

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.

	FP32 Performance in GFLOPS
Nvidia GeForce RTX 3080#ad	29,770
AMD Radeon RX 6900 XT#ad	23,040

The difference is 29%.

Note: Commissions may be earned from the links above. These scores are only an
average of the performances got with these graphics cards, you may get different results.

Single precision floating point format, also known as FP32, is a computer number format that typically occupies 32 bits in PC memory. This represents a wide dynamic range of numeric values that employs a floating point.

Equivalence:

AMD Radeon RX 6900 XT Nvidia equivalentNvidia GeForce RTX 3080 AMD equivalent