SAPPHIRE Pulse Radeon RX 6400
vs
ASUS Phoenix Radeon RX 550 4GB
GPU comparison with benchmarksThe SAPPHIRE Pulse Radeon RX 6400 is based on the AMD Radeon RX 6400 (RDNA 2) and has 4 GB GDDR6 graphics memory with a bandwidth of 128 GB/s.
The ASUS Phoenix Radeon RX 550 4GB is based on the AMD Radeon RX 550 (Baffin 10 CU) (GCN 4) and has 4 GB GDDR5 graphics memory with a bandwidth of 96 GB/s. |
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GPUThe SAPPHIRE Pulse Radeon RX 6400 has the Navi 24 XL graphics chip installed, which is based on the RDNA 2 architecture. The ASUS Phoenix Radeon RX 550 4GB is based on the graphics chip Baffin LE, which comes from the GCN 4 architecture. |
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| SAPPHIRE Pulse Radeon RX 6400 | GPU | ASUS Phoenix Radeon RX 550 4GB |
| AMD Radeon RX 6400 | Based on | AMD Radeon RX 550 (Baffin 10 CU) |
| Navi 24 XL | GPU Chip | Baffin LE |
| RDNA 2 | Architecture | GCN 4 |
| 12 | Streaming Multiprocessors | 10 |
| 768 | Shader | 640 |
| 32 | Render Output Units | 16 |
| 48 | Texture Units | 40 |
| 12 | Raytracing Cores | 0 |
MemoryThe graphics memory of the SAPPHIRE Pulse Radeon RX 6400 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 4GB is 6.0 Gbps and the clock speed is 1.500 GHz. |
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| 4 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 |
| 128 GB/s | Memory bandwidth | 96 GB/s |
| 64 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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| 1.923 GHz | Base Clock | 1.019 GHz |
| 2.321 GHz | Boost Clock | 1.071 GHz |
| 2.04 GHz | Avg (Game) Clock | |
| Yes | Overclocking | Yes |
Thermal DesignThe SAPPHIRE Pulse Radeon RX 6400 is powered by connectors. The TDP (Thermal Design Power) of the graphics card is 55 W. The ASUS Phoenix Radeon RX 550 4GB has PCIe power connectors that supply it with energy. The manufacturer specifies the TDP of the card as 60 W. |
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| 55 W | TDP | 60 W |
| -- | TDP (up) | -- |
| 97 °C | Tjunction max | 80 °C |
| PCIe-Power | ||
Cooler & FansThe SAPPHIRE Pulse Radeon RX 6400 is equipped with a total of 1 Axial main fans. The ASUS Phoenix Radeon RX 550 4GB has 1 Axial main fans that cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 1 x 50 mm | Fan 1 | 1 x 80 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | dB |
| -- | Noise (Load) | -- |
ConnectivityUp to 2 screens can be operated with the SAPPHIRE Pulse Radeon RX 6400. The ASUS Phoenix Radeon RX 550 4GB supports the operation of a maximum of 4 monitors. |
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| 2 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.2 |
| 1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.0b |
| 1x DP v1.4a | DP Ports | 1x DP v1.4 |
| -- | DVI Ports | 1 |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetWith the SAPPHIRE Pulse Radeon RX 6400 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 4GB 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 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 SAPPHIRE Pulse Radeon RX 6400 is connected to the system via PCIe 4.0 x 4 lanes and requires 1 PCIe-Slots space in the housing. The ASUS Phoenix Radeon RX 550 4GB needs the space of 2 PCIe-Slots in the case and has a PCIe 3.0 x 8 Lanes interface. |
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| 170 mm | Length | 192 mm |
| 56 mm | Height | 115 mm |
| 17 mm | Width | 39 mm |
| 1 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| -- | Weight | -- |
| PCIe 4.0 x 4 | GPU Interface | PCIe 3.0 x 8 |
Additional dataThe SAPPHIRE Pulse Radeon RX 6400 has been manufactured with a structure width of 6 nanometers since Q2/2022. The ASUS Phoenix Radeon RX 550 4GB came on the market in Q1/2018 and will have a structure width of 14 nanometers manufactured. |
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| 11315-01-20G | Part-no | PH-RX550-4G |
| Q2/2022 | Release date | Q1/2018 |
| 159 $ (Reference) | Launch Price | 79 $ |
| 6 nm | Structure size | 14 nm |
| data sheet | Documents | data sheet |
1.923 GHz, 4 GB (55 W TDP)
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1.019 GHz, 4 GB (60 W TDP)
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Benchmark results
3DMark Benchmark (DirectX, Raytracing)
3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.
Time Spy Extreme Graphics score
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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Port Royal (Raytracing)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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Cyberpunk 2077
Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.
3840x2160 (2160p)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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1920x1080 (1080p)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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Battlefield 5
Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.
3840x2160 (2160p)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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2560x1440 (1440p)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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1920x1080 (1080p)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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Geekbench 6 (OpenCL, Vulkan, Metal)
Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.
Geekbench 6 - OpenCL
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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Geekbench 6 - Vulkan
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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Geekbench 6 - Metal
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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FP32 Performance (Single-precision TFLOPS)
The theoretical computing power of the graphics card with single precision (32 bit) in TFLOPS indicates how many trillion FP32 floating point operations the graphics card (GPU) can perform per second.
FP32 (TFLOPS)
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SAPPHIRE Pulse Radeon RX 6400
4 GB GDDR6 |
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ASUS Phoenix Radeon RX 550 4GB
4 GB GDDR5 |
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