Sapphire Pulse Radeon RX 590 8G G5
vs
ASRock Radeon RX 6400 Challenger ITX 4GB
GPU comparison with benchmarksThe Sapphire Pulse Radeon RX 590 8G G5 has 2304 shader units and these clock a maximum of 1.55 GHz which results in an FP32 computing power of 7.12 TFLOPS.
The ASRock Radeon RX 6400 Challenger ITX 4GB has 768 shader units and these clock at a maximum of 2.32 GHz and achieve an FP32 computing power of 3.57 TFLOPS. |
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GPUThe Sapphire Pulse Radeon RX 590 8G G5 is equipped with a graphics chip of the GCN 4 architecture, which has 36 streaming multiprocessors. The graphics card ASRock Radeon RX 6400 Challenger ITX 4GB is based on the RDNA 2 architecture and is equipped with 12 execution units. |
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| Sapphire Pulse Radeon RX 590 8G G5 | GPU | ASRock Radeon RX 6400 Challenger ITX 4GB |
| AMD Radeon RX 590 | Based on | AMD Radeon RX 6400 |
| Polaris 30 XT | GPU Chip | Navi 24 XL |
| GCN 4 | Architecture | RDNA 2 |
| 36 | Streaming Multiprocessors | 12 |
| 2304 | Shader | 768 |
| 32 | Render Output Units | 32 |
| 144 | Texture Units | 48 |
| 0 | Raytracing Cores | 12 |
MemoryThe Sapphire Pulse Radeon RX 590 8G G5 is equipped with a 8 GB large GDDR5 graphics memory, which is equipped with 2.000 GHz clocks. The ASRock Radeon RX 6400 Challenger ITX 4GB has a 4 GB large GDDR6 graphics memory and the memory clock is 2.000GHz. |
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| 8 GB | Memory Size | 4 GB |
| GDDR5 | Memory Type | GDDR6 |
| 2.000 GHz | Memory Clock | 2.000 GHz |
| 8.0 Gbps | Memory Speed | 16.0 Gbps |
| 256 GB/s | Memory bandwidth | 128 GB/s |
| 256 bit | Memory Interface | 64 bit |
Clock SpeedsThe Sapphire Pulse Radeon RX 590 8G G5 has a turbo clock of 1.545 GHz. The turbo frequency of the ASRock Radeon RX 6400 Challenger ITX 4GB is 2.321 GHz. |
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| 1.469 GHz | Base Clock | 1.923 GHz |
| 1.545 GHz | Boost Clock | 2.321 GHz |
| Avg (Game) Clock | 2.04 GHz | |
| Yes | Overclocking | Yes |
Thermal DesignThe Sapphire Pulse Radeon RX 590 8G G5 has 1 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 98 °C. The ASRock Radeon RX 6400 Challenger ITX 4GB is equipped with a PCIe power connector that supplies it with power. The maximum operating temperature of the card is 97 °C. |
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| 225 W | TDP | 53 W |
| -- | TDP (up) | -- |
| 98 °C | Tjunction max | 97 °C |
| 1 x 8-Pin | PCIe-Power | |
Cooler & FansThe graphics processor and graphics memory of the Sapphire Pulse Radeon RX 590 8G G5 are cooled with a Air cooling. The ASRock Radeon RX 6400 Challenger ITX 4GB is cooled by a Air cooling. |
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| Axial | Fan-Type | Axial |
| 2 x 95 mm | Fan 1 | 1 x 80 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityThe Sapphire Pulse Radeon RX 590 8G G5 supports the downward compatible copy protection HDCP in version 2.2. The ASRock Radeon RX 6400 Challenger ITX 4GB supports HDCP in version 2.3 and all previous versions. |
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| 4 | Max. Displays | 2 |
| 2.2 | HDCP-Version | 2.3 |
| 2x HDMI v2.0b | HDMI Ports | 1x HDMI v2.1 |
| 2x DP v1.4 | DP Ports | 1x DP v1.4a |
| 1 | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe Sapphire Pulse Radeon RX 590 8G G5 supports the DirectX standard from Microsoft in version 12. The ASRock Radeon RX 6400 Challenger ITX 4GB supports Microsoft's DirectX version 12_2 (Ultimate). |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12 | DirectX | 12_2 (Ultimate) |
| No | Raytracing | Yes |
| Yes | DLSS / FSR | Yes |
| No LED lighting | LED | No LED lighting |
Supported Video CodecsThis area lists which video codecs can be decoded or encoded by the graphics cards in hardware. As a result, the power consumption can be reduced due to a lower processor load. |
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| Decode / Encode | h264 | Decode / Encode |
| Decode / Encode | h265 / HEVC | Decode / Encode |
| No | AV1 | Decode |
| Decode | VP8 | Decode / Encode |
| Decode | VP9 | Decode / Encode |
DimensionsThe Sapphire Pulse Radeon RX 590 8G G5 is 40 mm wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the ASRock Radeon RX 6400 Challenger ITX 4GB is 40 mm and thus requires the space of 2 PCIe-Slots in the PC case. |
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| 230 mm | Length | 162 mm |
| 125 mm | Height | 112 mm |
| 40 mm | Width | 39 mm |
| 2 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| -- | Weight | 275 g |
| PCIe 3.0 x 16 | GPU Interface | PCIe 4.0 x 4 |
Additional dataManufactured using the 14 nanometer process, Sapphire Pulse Radeon RX 590 8G G5 was released in Q4/2018. The ASRock Radeon RX 6400 Challenger ITX 4GB published in Q2/2022 is manufactured with a structure width of 6 nanometers. |
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| 11289-06 | Part-no | RX6400 CLI 4G |
| Q4/2018 | Release date | Q2/2022 |
| 279 $ | Launch Price | 159 $ (Reference) |
| 14 nm | Structure size | 6 nm |
| data sheet | Documents | data sheet |
1.469 GHz, 8 GB (225 W TDP)
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1.923 GHz, 4 GB (53 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 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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Port Royal (Raytracing)
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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ASRock Radeon RX 6400 Challenger ITX 4GB
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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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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2560x1440 (1440p)
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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1920x1080 (1080p)
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ASRock Radeon RX 6400 Challenger ITX 4GB
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 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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2560x1440 (1440p)
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Sapphire Pulse Radeon RX 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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1920x1080 (1080p)
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Sapphire Pulse Radeon RX 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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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 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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Geekbench 6 - Vulkan
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Sapphire Pulse Radeon RX 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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Geekbench 6 - Metal
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Sapphire Pulse Radeon RX 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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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 590 8G G5
8 GB GDDR5 |
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ASRock Radeon RX 6400 Challenger ITX 4GB
4 GB GDDR6 |
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