Sapphire Nitro+ Radeon RX 6800
vs
AMD Radeon RX 7900 XT
GPU comparison with benchmarksThe Sapphire Nitro+ Radeon RX 6800 is based on the AMD Radeon RX 6800 (RDNA 2) and has 16 GB GDDR6 graphics memory with a bandwidth of 512 GB/s.
The AMD Radeon RX 7900 XT is based on the AMD Radeon RX 7900 XT (RDNA 3) and has 20 GB GDDR6 graphics memory with a bandwidth of 800 GB/s. |
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GPUThe Sapphire Nitro+ Radeon RX 6800 has the Navi 21 graphics chip installed, which is based on the RDNA 2 architecture. The AMD Radeon RX 7900 XT is based on the graphics chip Navi 31, which comes from the RDNA 3 architecture. |
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| Sapphire Nitro+ Radeon RX 6800 | GPU | AMD Radeon RX 7900 XT |
| AMD Radeon RX 6800 | Based on | AMD Radeon RX 7900 XT |
| Navi 21 | GPU Chip | Navi 31 |
| RDNA 2 | Architecture | RDNA 3 |
| 60 | Streaming Multiprocessors | 84 |
| 3840 | Shader | 5376 |
| 96 | Render Output Units | 192 |
| 240 | Texture Units | 336 |
| 60 | Raytracing Cores | 84 |
MemoryThe graphics memory of the Sapphire Nitro+ Radeon RX 6800 clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps. The graphics memory speed of the AMD Radeon RX 7900 XT is 20.0 Gbps and the clock speed is 2.500 GHz. |
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| 16 GB | Memory Size | 20 GB |
| GDDR6 | Memory Type | GDDR6 |
| 2.000 GHz | Memory Clock | 2.500 GHz |
| 16.0 Gbps | Memory Speed | 20.0 Gbps |
| 512 GB/s | Memory bandwidth | 800 GB/s |
| 256 bit | Memory Interface | 320 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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| 1.850 GHz | Base Clock | 1.500 GHz |
| 2.190 GHz | Boost Clock | 2.400 GHz |
| 1.98 GHz | Avg (Game) Clock | 2.00 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe Sapphire Nitro+ Radeon RX 6800 is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 250 W. The AMD Radeon RX 7900 XT has 2 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 300 W. |
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| 250 W | TDP | 300 W |
| 285 W | TDP (up) | -- |
| 100 °C | Tjunction max | 97 °C |
| 2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe Sapphire Nitro+ Radeon RX 6800 is equipped with a total of 3 Axial main fans. The AMD Radeon RX 7900 XT has 3 Axial main fans that cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 2 x 100 mm | Fan 1 | 3 x 90 mm |
| 1 x 90 mm | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| 37 dB | Noise (Load) | 37 dB |
ConnectivityUp to 4 screens can be operated with the Sapphire Nitro+ Radeon RX 6800. The AMD Radeon RX 7900 XT supports the operation of a maximum of 4 monitors. |
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| 4 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.3 |
| 1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.1 |
| 3x DP v1.4a | DP Ports | 2x DP v2.1 |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | 1 |
FeaturesetWith the Sapphire Nitro+ Radeon RX 6800 it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the AMD Radeon RX 7900 XT is 7680x4320 pixels. |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
| Yes | Raytracing | Yes |
| Yes | DLSS / FSR | Yes |
| Addressable LED | LED | No LED lighting |
Supported Video CodecsThe support and acceleration of certain video codecs can have a positive impact on the lower energy consumption and less waste heat from the graphics card. |
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| Decode / Encode | h264 | Decode / Encode |
| Decode / Encode | h265 / HEVC | Decode / Encode |
| Decode | AV1 | Decode / Encode |
| Decode / Encode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe Sapphire Nitro+ Radeon RX 6800 is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing. The AMD Radeon RX 7900 XT needs the space of 3 PCIe-Slots in the case and has a PCIe 4 x 16 Lanes interface. |
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| 310 mm | Length | 276 mm |
| 134 mm | Height | 113 mm |
| 55 mm | Width | 51 mm |
| 3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| -- | Weight | -- |
| PCIe 4.0 x 16 | GPU Interface | PCIe 4 x 16 |
Additional dataThe Sapphire Nitro+ Radeon RX 6800 has been manufactured with a structure width of 7 nanometers since Q4/2020. The AMD Radeon RX 7900 XT came on the market in Q4/2022 and will have a structure width of 5 nanometers manufactured. |
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| 11305-01-20G | Part-no | -- |
| Q4/2020 | Release date | Q4/2022 |
| 739 $ | Launch Price | 899 $ |
| 7 nm | Structure size | 5 nm |
| data sheet | Documents | data sheet |
1.850 GHz, 16 GB (250 W TDP)
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1.500 GHz, 20 GB (300 W TDP)
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Benchmark results
3DMark Benchmark (DirectX, Raytracing)
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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Port Royal (Raytracing)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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Cyberpunk 2077
Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.
3840x2160 (2160p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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2560x1440 (1440p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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1920x1080 (1080p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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The Last of Us Part 1
The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.
3840x2160 (2160p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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2560x1440 (1440p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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1920x1080 (1080p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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Battlefield 5
Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.
3840x2160 (2160p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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2560x1440 (1440p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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1920x1080 (1080p)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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Geekbench 6 (OpenCL, Vulkan, Metal)
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
Geekbench 6 - OpenCL
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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Geekbench 6 - Vulkan
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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Geekbench 6 - Metal
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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FP32 Performance (Single-precision TFLOPS)
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
FP32 (TFLOPS)
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
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