GPU comparison with benchmarksIn the gpu comparison between the SAPPHIRE Radeon RX 7900 XT 20GB and the PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe SAPPHIRE Radeon RX 7900 XT 20GB is based on the AMD Radeon RX 7900 XT and has 5376 texture shaders and 84 execution units. PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 is based on AMD Radeon RX 550 (Baffin 10 CU), which has 640 shaders and 10 execution units. |
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SAPPHIRE Radeon RX 7900 XT 20GB | GPU | PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 |
AMD Radeon RX 7900 XT | Based on | AMD Radeon RX 550 (Baffin 10 CU) |
Navi 31 | GPU Chip | Baffin LE |
RDNA 3 | Architecture | GCN 4 |
84 | Streaming Multiprocessors | 10 |
5376 | Shader | 640 |
192 | Render Output Units | 16 |
336 | Texture Units | 40 |
84 | Raytracing Cores | 0 |
MemoryThe SAPPHIRE Radeon RX 7900 XT 20GB has 20 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 800 GB/s. The PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 can access 2 GB GDDR5 graphics memory and thus achieves a memory bandwidth of 96 GB/s. |
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20 GB | Memory Size | 2 GB |
GDDR6 | Memory Type | GDDR5 |
2.500 GHz | Memory Clock | 1.500 GHz |
20.0 Gbps | Memory Speed | 6.0 Gbps |
800 GB/s | Memory bandwidth | 96 GB/s |
320 bit | Memory Interface | 128 bit |
Clock SpeedsThe SAPPHIRE Radeon RX 7900 XT 20GB clocks in the base with up to 1.500 GHz. The base frequency of the PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 is 1.019 GHz. |
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1.500 GHz | Base Clock | 1.019 GHz |
2.400 GHz | Boost Clock | 1.190 GHz |
2.00 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the SAPPHIRE Radeon RX 7900 XT 20GB is 308 W. The graphics card is supplied with energy via the 2 x 8-Pin connector. The PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 has a TDP of 60 W and is supplied with the required energy via PCIe power connectors. |
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308 W | TDP | 60 W |
-- | TDP (up) | -- |
97 °C | Tjunction max | 80 °C |
2 x 8-Pin | PCIe-Power |
Cooler & FansThe SAPPHIRE Radeon RX 7900 XT 20GB has a total of 3 Axial fans. The PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 has 1 Axial fans to cool the GPU and memory. |
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Axial | Fan-Type | Axial |
3 x 90 mm | Fan 1 | 1 x 80 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | dB |
-- | Noise (Load) | -- |
ConnectivityIn the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the SAPPHIRE Radeon RX 7900 XT 20GB. The PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 supports a maximum of 4 screens. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.2 |
1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
2x DP v2.1 | DP Ports | 1x DP v1.4 |
-- | DVI Ports | 1 |
-- | VGA Ports | -- |
1 | USB-C Ports | -- |
FeaturesetThe SAPPHIRE Radeon RX 7900 XT 20GB supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 is 5120x2880 pixels. |
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7680x4320 | Max. resolution | 5120x2880 |
12_2 (Ultimate) | DirectX | 12 |
Yes | Raytracing | No |
Yes | DLSS / FSR | Yes |
No LED lighting | LED | No LED lighting |
Supported Video CodecsThe support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos. |
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Decode / Encode | h264 | Decode / Encode |
Decode / Encode | h265 / HEVC | Decode / Encode |
Decode / Encode | AV1 | No |
Decode / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe SAPPHIRE Radeon RX 7900 XT 20GB is 276 mm long, 113 mm high and 51 mm wide. The PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 is 147 mm long, 111 mm high and 38 mm wide. |
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276 mm | Length | 147 mm |
113 mm | Height | 111 mm |
51 mm | Width | 38 mm |
3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
-- | Weight | -- |
PCIe 4 x 16 | GPU Interface | PCIe 3.0 x 8 |
Additional dataThe SAPPHIRE Radeon RX 7900 XT 20GB was released in Q4/2022 at a price of 899 $. The PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3 was introduced in Q3/2018 at a price of 69 $. |
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21323-01-20G | Part-no | AXRX 550 2GBD5-DHA/OC |
Q4/2022 | Release date | Q3/2018 |
899 $ | Launch Price | 69 $ |
5 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3
2 GB GDDR5 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3
2 GB GDDR5 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3
2 GB GDDR5 |
SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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PowerColor Red Dragon Radeon RX 550 2GB GDDR5 OC V3
2 GB GDDR5 |