GPU comparison with benchmarksThe ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC 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.
The XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition 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 ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC has the Navi 31 graphics chip installed, which is based on the RDNA 3 architecture. The XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition is based on the graphics chip Navi 31, which comes from the RDNA 3 architecture. |
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ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC | GPU | XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition |
AMD Radeon RX 7900 XT | Based on | AMD Radeon RX 7900 XT |
Navi 31 | GPU Chip | Navi 31 |
RDNA 3 | Architecture | RDNA 3 |
84 | Streaming Multiprocessors | 84 |
5376 | Shader | 5376 |
192 | Render Output Units | 192 |
336 | Texture Units | 336 |
84 | Raytracing Cores | 84 |
MemoryThe graphics memory of the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC clocks at 2.500 GHz, which corresponds to a speed of 20.0 Gbps. The graphics memory speed of the XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition is 20.0 Gbps and the clock speed is 2.500 GHz. |
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20 GB | Memory Size | 20 GB |
GDDR6 | Memory Type | GDDR6 |
2.500 GHz | Memory Clock | 2.500 GHz |
20.0 Gbps | Memory Speed | 20.0 Gbps |
800 GB/s | Memory bandwidth | 800 GB/s |
320 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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1.500 GHz | Base Clock | 1.500 GHz |
2.450 GHz+ 2 % | Boost Clock | 2.560 GHz+ 7 % |
2.08 GHz | Avg (Game) Clock | 2.22 GHz |
Yes | Overclocking | Yes |
Thermal DesignThe ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is powered by 2 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 300 W. The XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition 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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300 W | TDP | 300 W |
-- | TDP (up) | -- |
97 °C | Tjunction max | 97 °C |
2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is equipped with a total of 3 Axial main fans. The XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition has 3 Axial main fans that cool the GPU and memory. |
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Axial | Fan-Type | Axial |
3 x 100 mm | Fan 1 | 3 x 100 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
-- | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC. The XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition 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 v2.1 | DP Ports | 3x DP v2.1 |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetWith the ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC it is possible to operate a screen with a maximum resolution of up to 7680x4320 pixels. The maximum supported resolution of the XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition 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 / Encode | AV1 | Decode / Encode |
Decode / Encode | VP8 | Decode / Encode |
Decode / Encode | VP9 | Decode / Encode |
DimensionsThe ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC is connected to the system via PCIe 4 x 16 lanes and requires 3 PCIe-Slots space in the housing. The XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition needs the space of -- in the case and has a PCIe 4 x 16 Lanes interface. |
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330 mm | Length | 344 mm |
140 mm | Height | 128 mm |
58 mm | Width | 55 mm |
3 PCIe-Slots | Width (Slots) | -- |
1450 g | Weight | -- |
PCIe 4 x 16 | GPU Interface | PCIe 4 x 16 |
Additional dataThe ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC has been manufactured with a structure width of 5 nanometers since Q4/2022. The XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition came on the market in Q4/2022 and will have a structure width of 5 nanometers manufactured. |
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RX7900XT PG 20GO | Part-no | RX-79TMERCB9 |
Q4/2022 | Release date | Q4/2022 |
899 $ (Reference) | Launch Price | 979 $ |
5 nm | Structure size | 5 nm |
data sheet | Documents | data sheet |
ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition
20 GB GDDR6 |
ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition
20 GB GDDR6 |
ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition
20 GB GDDR6 |
ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition
20 GB GDDR6 |
ASRock Radeon RX 7900 XT Phantom Gaming 20GB OC
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT Black Edition
20 GB GDDR6 |