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 |
No | SFF-Ready | No |
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 |
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Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
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![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
![]() |
Sapphire Nitro+ Radeon RX 6800
16 GB GDDR6 |
||
![]() |
AMD Radeon RX 7900 XT
20 GB GDDR6 |