GPU comparison with benchmarksThe Gainward GeForce RTX 3090 Phantom GS is based on the NVIDIA GeForce RTX 3090 (Ampere) and has 24 GB GDDR6X graphics memory with a bandwidth of 936 GB/s.
The PowerColor Red Devil Radeon RX 6800 XT is based on the AMD Radeon RX 6800 XT (RDNA 2) and has 16 GB GDDR6 graphics memory with a bandwidth of 512 GB/s. |
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GPUThe Gainward GeForce RTX 3090 Phantom GS has the GA102-300-A1 graphics chip installed, which is based on the Ampere architecture. The PowerColor Red Devil Radeon RX 6800 XT is based on the graphics chip Navi 21 XT, which comes from the RDNA 2 architecture. |
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Gainward GeForce RTX 3090 Phantom GS | GPU | PowerColor Red Devil Radeon RX 6800 XT |
NVIDIA GeForce RTX 3090 | Based on | AMD Radeon RX 6800 XT |
GA102-300-A1 | GPU Chip | Navi 21 XT |
Ampere | Architecture | RDNA 2 |
82 | Streaming Multiprocessors | 72 |
10496 | Shader | 4608 |
112 | Render Output Units | 128 |
328 | Texture Units | 288 |
82 | Raytracing Cores | 72 |
MemoryThe graphics memory of the Gainward GeForce RTX 3090 Phantom GS clocks at 1.219 GHz, which corresponds to a speed of 19.5 Gbps. The graphics memory speed of the PowerColor Red Devil Radeon RX 6800 XT is 16.0 Gbps and the clock speed is 2.000 GHz. |
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24 GB | Memory Size | 16 GB |
GDDR6X | Memory Type | GDDR6 |
1.219 GHz | Memory Clock | 2.000 GHz |
19.5 Gbps | Memory Speed | 16.0 Gbps |
936 GB/s | Memory bandwidth | 512 GB/s |
384 bit | Memory Interface | 256 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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1.395 GHz | Base Clock | 1.900 GHz |
1.845 GHz | Boost Clock | 2.340 GHz |
Avg (Game) Clock | 2.09 GHz | |
Yes | Overclocking | Yes |
Thermal DesignThe Gainward GeForce RTX 3090 Phantom GS is powered by 3 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 420 W. The PowerColor Red Devil Radeon RX 6800 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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420 W | TDP | 300 W |
-- | TDP (up) | 345 W |
93 °C | Tjunction max | 100 °C |
3 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe Gainward GeForce RTX 3090 Phantom GS is equipped with a total of 3 Axial main fans. The PowerColor Red Devil Radeon RX 6800 XT has 3 Axial main fans that cool the GPU and memory. |
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Axial | Fan-Type | Axial |
3 x 90 mm | Fan 1 | 2 x 100 mm |
-- | Fan 2 | 1 x 90 mm |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
-- | Noise (Load) | 36-38 dB |
ConnectivityUp to 4 screens can be operated with the Gainward GeForce RTX 3090 Phantom GS. The PowerColor Red Devil Radeon RX 6800 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 | 3x DP v1.4a |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetWith the Gainward GeForce RTX 3090 Phantom GS it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the PowerColor Red Devil Radeon RX 6800 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 | Addressable LED |
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 |
Decode | VP8 | Decode / Encode |
Decode | VP9 | Decode / Encode |
DimensionsThe Gainward GeForce RTX 3090 Phantom GS is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing. The PowerColor Red Devil Radeon RX 6800 XT needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface. |
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304 mm | Length | 320 mm |
136 mm | Height | 135 mm |
-- | Width | 62 mm |
3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
-- | Weight | 1610 g |
PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe Gainward GeForce RTX 3090 Phantom GS has been manufactured with a structure width of 8 nanometers since Q3/2020. The PowerColor Red Devil Radeon RX 6800 XT came on the market in Q1/2021 and will have a structure width of 7 nanometers manufactured. |
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NED3090H19SB-1021P | Part-no | AXRX 6800XT 16GBD6-3DHE/OC |
Q3/2020 | Release date | Q1/2021 |
1,669 $ | Launch Price | 799 $ |
8 nm | Structure size | 7 nm |
data sheet | Documents | data sheet |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
|||
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
Gainward GeForce RTX 3090 Phantom GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |