GPU comparison with benchmarksThe XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming 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.
The Gainward GeForce RTX 3090 Phantom is based on the NVIDIA GeForce RTX 3090 (Ampere) and has 24 GB GDDR6X graphics memory with a bandwidth of 936 GB/s. |
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GPUThe XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming has the Navi 21 XT graphics chip installed, which is based on the RDNA 2 architecture. The Gainward GeForce RTX 3090 Phantom is based on the graphics chip GA102-300-A1, which comes from the Ampere architecture. |
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XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming | GPU | Gainward GeForce RTX 3090 Phantom |
AMD Radeon RX 6800 XT | Based on | NVIDIA GeForce RTX 3090 |
Navi 21 XT | GPU Chip | GA102-300-A1 |
RDNA 2 | Architecture | Ampere |
72 | Streaming Multiprocessors | 82 |
4608 | Shader | 10496 |
128 | Render Output Units | 112 |
288 | Texture Units | 328 |
72 | Raytracing Cores | 82 |
MemoryThe graphics memory of the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps. The graphics memory speed of the Gainward GeForce RTX 3090 Phantom is 19.5 Gbps and the clock speed is 1.219 GHz. |
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16 GB | Memory Size | 24 GB |
GDDR6 | Memory Type | GDDR6X |
2.000 GHz | Memory Clock | 1.219 GHz |
16.0 Gbps | Memory Speed | 19.5 Gbps |
512 GB/s | Memory bandwidth | 936 GB/s |
256 bit | Memory Interface | 384 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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1.925 GHz | Base Clock | 1.395 GHz |
2.360 GHz | Boost Clock | 1.740 GHz |
2.11 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 300 W. The Gainward GeForce RTX 3090 Phantom has 3 x 8-Pin PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 370 W. |
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300 W | TDP | 370 W |
345 W | TDP (up) | -- |
100 °C | Tjunction max | 93 °C |
2 x 8-Pin | PCIe-Power | 3 x 8-Pin |
Cooler & FansThe XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is equipped with a total of 3 Axial main fans. The Gainward GeForce RTX 3090 Phantom has 3 Axial main fans that cool the GPU and memory. |
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Axial | Fan-Type | Axial |
2 x 105 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 |
35-36 dB | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming. The Gainward GeForce RTX 3090 Phantom 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 |
2x DP v1.4a | DP Ports | 3x DP v1.4a |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
1 | USB-C Ports | -- |
FeaturesetWith the XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the Gainward GeForce RTX 3090 Phantom 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 / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming is connected to the system via PCIe 4.0 x 16 lanes and requires 3 PCIe-Slots space in the housing. The Gainward GeForce RTX 3090 Phantom needs the space of 3 PCIe-Slots in the case and has a PCIe 4.0 x 16 Lanes interface. |
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340 mm | Length | 304 mm |
138 mm | Height | 136 mm |
54 mm | Width | -- |
3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
1817 g | Weight | -- |
PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming has been manufactured with a structure width of 7 nanometers since Q1/2021. The Gainward GeForce RTX 3090 Phantom came on the market in Q3/2020 and will have a structure width of 8 nanometers manufactured. |
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RX-68XTACBD9 | Part-no | NED3090019SB-1021P |
Q1/2021 | Release date | Q3/2020 |
799 $ | Launch Price | 1,629 $ |
7 nm | Structure size | 8 nm |
data sheet | Documents | data sheet |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
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Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
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Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
|||
Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |
XFX Speedster MERC 319 Radeon RX 6800 XT Black Gaming
16 GB GDDR6 |
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Gainward GeForce RTX 3090 Phantom
24 GB GDDR6X |