AMD Radeon RX 6800 XT vs AMD Radeon RX 7900 XT


AMD Radeon RX 6800 XT on Amazon USA
AMD Radeon RX 7900 XT on Amazon USA

Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX 6800 XT on one side and AMD Radeon RX 7900 XT on the other side. The first is dedicated to the desktop sector, it has 4608 shading units, a maximum frequency of 2.3 GHz, its lithography is 7 nm. The second is used on the desktop segment, it includes 5376 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.







Specifications:


Graphics card AMD Radeon RX 6800 XT AMD Radeon RX 7900 XT
Market (main) Desktop Desktop
Release date Q4 2020 Q4 2022
Model number Navi 21 XT 215-121000177 Navi 31 XT 215-145000156
GPU name Navi 21 Navi 31
Architecture RDNA 2.0 RDNA 3.0
Generation Navi II RX 6000 Navi III RX 7000
Lithography 7 nm 5 nm
Transistors 26,800,000,000 57,700,000,000
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 1.83 GHz 1.50 GHz
GPU game clock 2.02 GHz 2.03 GHz
GPU boost clock 2.25 GHz 2.39 GHz
Memory frequency 2,000 MHz 2,500 MHz
Effective memory speed 16 GB/s 20 GB/s
Memory size 16 GB 20 GB
Memory type GDDR6 GDDR6
Memory bus 256 bit 320 bit
Memory bandwidth 512.0 GB/s 800.0 GB/s
TDP 300 W 300 W
Suggested PSU700W ATX Power Supply 750W ATX Power Supply
Multicard technology - -
Outputs

1x HDMI
2x DisplayPort
1x USB Type-C

1x HDMI
2x DisplayPort
1x USB Type-C
Cores (compute units, SM, SMX) 72 84
Shading units 4,608 5,376
TMUs 288 336
ROPs 128 192
RT cores 72 84
Cache memory 128 MB 80 MB
Pixel fillrate 288.0 GP/s 459.6 GP/s
Texture fillrate 648.0 GT/s 804.4 GT/s
Performance FP16 (half) 41.5 TFLOPS 103.0 TFLOPS
Performance FP32 (float) 20.7 TFLOPS 51.5 TFLOPS
Performance FP64 (double) 1.3 TFLOPS 3.2 TFLOPS
Amazon
eBay






Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

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
AMD Radeon RX 7900 XT 51,480
AMD Radeon RX 6800 XT 20,740


The difference is 148%.


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.


See also:

AMD Radeon RX 7900 XTX

Equivalence:

AMD Radeon RX 6800 XT Nvidia equivalentAMD Radeon RX 7900 XT Nvidia equivalent




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