AMD Radeon RX 6900 XT vs AMD Radeon RX 7800 XT

AMD Radeon RX 6900 XT on Amazon USA
AMD Radeon RX 7800 XT on Amazon USA

Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX 6900 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 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 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.

Specification comparison:

Graphics card AMD Radeon RX 6900 XT AMD Radeon RX 7800 XT
Market (main) Desktop Desktop
Release date Q4 2020 Q3 2023
Model number 215-121000167,
Navi 21 XTX
Navi 32 XT,
GPU name Navi 21 Navi 32
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 28,100,000,000
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 1,825 MHz 1,295 MHz
GPU game clock 2,015 MHz 2,124 MHz
GPU boost clock 2,250 MHz 2,430 MHz
Memory frequency 2,000 MHz 2,425 MHz
Effective memory speed 16 Gbps 19.4 Gbps
Memory size 16 GB 16 GB
Memory type GDDR6 GDDR6
Memory bus 256 bit 256 bit
Memory bandwidth 512.0 GB/s 620.8 GB/s
TDP 300 W 263 W
Suggested PSU700W ATX Power Supply 700W ATX Power Supply
Multicard technology - -

2x DisplayPort
1x USB Type-C

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) 80 60
Shading units 5,120 3,840
TMUs 320 240
ROPs 128 96
RT cores 80 60
Cache memory 128 MB 64 MB
Pixel fillrate 288.0 GP/s 233.3 GP/s
Texture fillrate 720.0 GT/s 583.2 GT/s
Performance FP16 (half) 46.1 TFLOPS 74.7 TFLOPS
Performance FP32 (float) 23.0 TFLOPS 37.3 TFLOPS
Performance FP64 (double) 1.4 TFLOPS 1.2 TFLOPS

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.

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 6900 XT 23,040

The difference is 62%.

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.


AMD Radeon RX 6900 XT Nvidia EquivalentAMD Radeon RX 7800 XT Nvidia Equivalent © 2023 - XML sitemap - Information - Privacy policy - Advertising policy - Contact


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