AMD Radeon RX 6600 XT vs AMD Radeon RX 7800 XT

Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX 6600 XT on one side and AMD Radeon RX 7800 XT on the other side, also their respective performances with the benchmarks. The first is dedicated to the desktop sector, it has 2048 shading units, a maximum frequency of 2.6 GHz, its lithography is 7 nm. The second is used on the desktop segment, it includes 3840 shading units, a maximum frequency of 2.4 GHz, its lithography is 5 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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Specification comparison:

Graphics card		AMD Radeon RX 6600 XT				AMD Radeon RX 7800 XT
Market (main)		Desktop				Desktop
Release date		Q3 2021				Q3 2023
Model number		Navi 23 XT				Navi 32 XT, 215-180000006
GPU name		Navi 23				Navi 32
Architecture		RDNA 2.0				RDNA 3.0
Generation		Navi II RX 6000				Navi III RX 7000
Lithography		7 nm				5 nm
Transistors		11,060,000,000				28,100,000,000
Bus interface		PCIe 4.0 x16				PCIe 4.0 x16
GPU base clock		1,968 MHz				1,295 MHz
GPU game clock		2,359 MHz				2,124 MHz
GPU boost clock		2,589 MHz				2,430 MHz
Memory frequency		2,000 MHz				2,425 MHz
Effective memory speed		16 Gbps				19.4 Gbps
Memory size		8 GB				16 GB
Memory type		GDDR6				GDDR6
Memory bus		128 bit				256 bit
Memory bandwidth		256.0 GB/s				620.8 GB/s
TDP		160 W				263 W
Suggested PSU		450W ATX Power Supply				700W ATX Power Supply
Multicard technology		-				-
Outputs		1x HDMI 2x DisplayPort				1x HDMI 3x DisplayPort
Max display resolution		7680 × 4320@60Hz (DP), 3840 x 2160@144Hz (DP), 7680 × 4320@60Hz (HDMI), 3840 x 2160@120Hz (HDMI)				7680 × 4320@60Hz (DP), 3840 x 2160@144Hz (DP), 7680 × 4320@60Hz (HDMI), 3840 x 2160@120Hz (HDMI)
Video decoding		H.265, HEVC, H.264 4K				H.265, HEVC, H.264 4K
Video encoding		H.265, HEVC, H.264 4K				H.265, HEVC, H.264 4K
Cores (compute units, SM, SMX)		32				60
Shading units		2,048				3,840
TMUs		128				240
ROPs		64				96
RT cores		32				60
Cache memory		32 MB				64 MB
Pixel fillrate		165.7 GP/s				233.3 GP/s
Texture fillrate		331.4 GT/s				583.2 GT/s
Performance FP16 (half)		21.2 TFLOPS				74.7 TFLOPS
Performance FP32 (float)		10.6 TFLOPS				37.3 TFLOPS
Performance FP64 (double)		662.8 GFLOPS				1.2 TFLOPS
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We can better compare what are the technical differences between the two graphics cards.

Performance comparison with the benchmarks:

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

	FP32 Performance in GFLOPS
AMD Radeon RX 7800 XT	37,325
AMD Radeon RX 6600 XT	10,600

The difference is 252%.

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 6600 XT Nvidia EquivalentAMD Radeon RX 7800 XT Nvidia Equivalent

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