GPU comparison with benchmarksThe XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is based on the AMD Radeon RX 6600 XT (RDNA 2) and has 8 GB GDDR6 graphics memory with a bandwidth of 256 GB/s.
The ASUS Phoenix Radeon RX 550 4G EVO is based on the AMD Radeon RX 550 (Lexa) (GCN 4) and has 4 GB GDDR5 graphics memory with a bandwidth of 96 GB/s. |
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GPUThe XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming has the Navi 23 XT graphics chip installed, which is based on the RDNA 2 architecture. The ASUS Phoenix Radeon RX 550 4G EVO is based on the graphics chip Lexa PRO, which comes from the GCN 4 architecture. |
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XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming | GPU | ASUS Phoenix Radeon RX 550 4G EVO |
AMD Radeon RX 6600 XT | Based on | AMD Radeon RX 550 (Lexa) |
Navi 23 XT | GPU Chip | Lexa PRO |
RDNA 2 | Architecture | GCN 4 |
32 | Streaming Multiprocessors | 8 |
2048 | Shader | 512 |
64 | Render Output Units | 16 |
128 | Texture Units | 32 |
32 | Raytracing Cores | 0 |
MemoryThe graphics memory of the XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming clocks at 2.000 GHz, which corresponds to a speed of 16.0 Gbps. The graphics memory speed of the ASUS Phoenix Radeon RX 550 4G EVO is 6.0 Gbps and the clock speed is 1.500 GHz. |
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8 GB | Memory Size | 4 GB |
GDDR6 | Memory Type | GDDR5 |
2.000 GHz | Memory Clock | 1.500 GHz |
16.0 Gbps | Memory Speed | 6.0 Gbps |
256 GB/s | Memory bandwidth | 96 GB/s |
128 bit | Memory Interface | 128 bit |
Clock SpeedsThe clock frequency of a graphics card determines the speed in connection with the graphics architecture. |
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2.188 GHz | Base Clock | 1.100 GHz |
2.607 GHz | Boost Clock | 1.183 GHz |
2.43 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is powered by 1 x 8-Pin connectors. The TDP (Thermal Design Power) of the graphics card is 160 W. The ASUS Phoenix Radeon RX 550 4G EVO has PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 50 W. |
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160 W | TDP | 50 W |
-- | TDP (up) | -- |
100 °C | Tjunction max | 80 °C |
1 x 8-Pin | PCIe-Power |
Cooler & FansThe XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is equipped with a total of 3 Axial main fans. The ASUS Phoenix Radeon RX 550 4G EVO has 1 Axial main fans that cool the GPU and memory. |
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Axial | Fan-Type | Axial |
3 x 80 mm | Fan 1 | 1 x 80 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | dB |
-- | Noise (Load) | -- |
ConnectivityUp to 4 screens can be operated with the XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming. The ASUS Phoenix Radeon RX 550 4G EVO supports the operation of a maximum of 4 monitors. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.2 |
1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
3x DP v1.4 | DP Ports | 1x DP v1.4 |
-- | DVI Ports | 1 |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetWith the XFX Speedster MERC308 Radeon RX 6600 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 ASUS Phoenix Radeon RX 550 4G EVO is 5120x2880 pixels. |
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7680x4320 | Max. resolution | 5120x2880 |
12_2 (Ultimate) | DirectX | 12 |
Yes | Raytracing | No |
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 | No |
Decode / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming is connected to the system via PCIe 4.0 x 8 lanes and requires 3 PCIe-Slots space in the housing. The ASUS Phoenix Radeon RX 550 4G EVO needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 x 8 Lanes interface. |
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274 mm | Length | 192 mm |
114 mm | Height | 115 mm |
50 mm | Width | 39 mm |
3 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
-- | Weight | -- |
PCIe 4.0 x 8 | GPU Interface | PCIe 3.0 x 8 |
Additional dataThe XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming has been manufactured with a structure width of 7 nanometers since Q3/2021. The ASUS Phoenix Radeon RX 550 4G EVO came on the market in Q2/2017 and will have a structure width of 14 nanometers manufactured. |
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RX-66XT8TBDQ | Part-no | PH-RX550-4G-EVO |
Q3/2021 | Release date | Q2/2017 |
379 $ (Reference) | Launch Price | 79 $ (Reference) |
7 nm | Structure size | 14 nm |
data sheet | Documents | data sheet |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |
XFX Speedster MERC308 Radeon RX 6600 XT BLACK Gaming
8 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4G EVO
4 GB GDDR5 |