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Graphics card - Comparison
AMD Radeon RX 6800 vs AMD Radeon RX 7800 XT
Comparison of the technical characteristics between the graphics cards, with AMD Radeon RX 6800 on one side and AMD Radeon RX 7800 XT on the other side. The first is dedicated to the desktop sector, it has 3840 shading units, a maximum frequency of 2.1 GHz, its lithography is 7 nm. The second is used on the desktop segment, it includes 3840 shading units, a maximum frequency of 2.5 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:
Warning: the information concerning AMD Radeon RX 7800 XT comes in part from rumor-based sources.
| Graphics card | AMD Radeon RX 6800 | AMD Radeon RX 7800 XT | ||||||
| Market (main) | Desktop | Desktop | ||||||
| Release date | Q4 2020 | Q1 2023 | ||||||
| Model number | Navi 21 XL 215-121000187 | 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 | ||||||
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x16 | ||||||
| GPU base clock | 1,700 MHz | 1,800 MHz | ||||||
| GPU game clock | 1,815 MHz | 2,300 MHz | ||||||
| GPU boost clock | 2,105 MHz | 2,500 MHz | ||||||
| Memory frequency | 2,000 MHz | 2,250 MHz | ||||||
| Effective memory speed | 16 Gbps | 18 Gbps | ||||||
| Memory size | 16 GB | 12 GB | ||||||
| Memory type | GDDR6 | GDDR6 | ||||||
| Memory bus | 256 bit | 192 bit | ||||||
| Memory bandwidth | 512.0 GB/s | 432.0 GB/s | ||||||
| TDP | 250 W | 300 W | ||||||
| Suggested PSU | 600W ATX Power Supply  | 750W ATX Power Supply | ||||||
| Multicard technology | - | - | ||||||
| Outputs | 1x HDMI 2x DisplayPort 1x USB Type-C |
1x HDMI 3x DisplayPort |
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| Max display resolution | 7680 × 4320@60Hz (DP), 3840 x 2160@144Hz (DP), 7680 × 4320@60Hz (HDMI), 3840 x 2160@120Hz (HDMI) |
- |
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| Video decoding | H.265, HEVC, H.264 4K | - | ||||||
| Video encoding | H.265, HEVC, H.264 4K | - | ||||||
| Cores (compute units, SM, SMX) | 60 | 60 | ||||||
| Shading units | 3,840 | 3,840 | ||||||
| TMUs | 240 | 240 | ||||||
| ROPs | 96 | 128 | ||||||
| RT cores | 60 | 60 | ||||||
| Cache memory | 128 MB | 64 MB | ||||||
| Pixel fillrate | 202.1 GP/s | 320.0 GP/s | ||||||
| Texture fillrate | 505.2 GT/s | 600.0 GT/s | ||||||
| Performance FP16 (half) | 32.3 TFLOPS | 76.8 TFLOPS | ||||||
| Performance FP32 (float) | 16.2 TFLOPS | 38.4 TFLOPS | ||||||
| Performance FP64 (double) | 1.0 TFLOPS | 2.4 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 4.
| FP32 Performance in GFLOPS | |
|---|---|
| AMD Radeon RX 7800 XT |
38,400 |
| AMD Radeon RX 6800 |
16,166 |
The difference is 138%.
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.
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.
See also:
AMD Radeon RX 6800 XTAMD Radeon RX 6800MAMD Radeon RX 6800SEquivalence:
AMD Radeon RX 6800 Nvidia equivalentAMD Radeon RX 7800 XT Nvidia equivalentDisclaimer:
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Information:
We do not assume any responsibility for the data displayed on our website. Please use at your own risk. Some or all of this data may be out of date or incomplete, please refer to the technical page on the respective manufacturer's website to find the latest up-to-date information regarding the specifics of these products.