PowerColor Radeon RX 6400 ITX 4GB
vs
Sapphire Pulse Radeon RX 6600
GPU comparison with benchmarksThe PowerColor Radeon RX 6400 ITX 4GB has 768 shader units and these clock a maximum of 2.32 GHz which results in an FP32 computing power of 3.57 TFLOPS.
The Sapphire Pulse Radeon RX 6600 has 1792 shader units and these clock at a maximum of 2.49 GHz and achieve an FP32 computing power of 8.93 TFLOPS. |
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GPUThe PowerColor Radeon RX 6400 ITX 4GB is equipped with a graphics chip of the RDNA 2 architecture, which has 12 streaming multiprocessors. The graphics card Sapphire Pulse Radeon RX 6600 is based on the RDNA 2 architecture and is equipped with 28 execution units. |
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| PowerColor Radeon RX 6400 ITX 4GB | GPU | Sapphire Pulse Radeon RX 6600 |
| AMD Radeon RX 6400 | Based on | AMD Radeon RX 6600 |
| Navi 24 XL | GPU Chip | Navi 23 XL |
| RDNA 2 | Architecture | RDNA 2 |
| 12 | Streaming Multiprocessors | 28 |
| 768 | Shader | 1792 |
| 32 | Render Output Units | 64 |
| 48 | Texture Units | 112 |
| 12 | Raytracing Cores | 28 |
MemoryThe PowerColor Radeon RX 6400 ITX 4GB is equipped with a 4 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks. The Sapphire Pulse Radeon RX 6600 has a 8 GB large GDDR6 graphics memory and the memory clock is 1.750GHz. |
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| 4 GB | Memory Size | 8 GB |
| GDDR6 | Memory Type | GDDR6 |
| 2.000 GHz | Memory Clock | 1.750 GHz |
| 16.0 Gbps | Memory Speed | 14.0 Gbps |
| 128 GB/s | Memory bandwidth | 224 GB/s |
| 64 bit | Memory Interface | 128 bit |
Clock SpeedsThe PowerColor Radeon RX 6400 ITX 4GB has a turbo clock of 2.321 GHz. The turbo frequency of the Sapphire Pulse Radeon RX 6600 is 2.491 GHz. |
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| 1.923 GHz | Base Clock | 1.626 GHz |
| 2.321 GHz | Boost Clock | 2.491 GHz |
| 2.04 GHz | Avg (Game) Clock | 2.04 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe PowerColor Radeon RX 6400 ITX 4GB has connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 97 °C. The Sapphire Pulse Radeon RX 6600 is equipped with a 1 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 100 °C. |
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| 53 W | TDP | 132 W |
| -- | TDP (up) | 140 W |
| 97 °C | Tjunction max | 100 °C |
| PCIe-Power | 1 x 8-Pin | |
Cooler & FansThe graphics processor and graphics memory of the PowerColor Radeon RX 6400 ITX 4GB are cooled with a Air cooling. The Sapphire Pulse Radeon RX 6600 is cooled by a Air cooling. |
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| Axial | Fan-Type | Axial |
| 1 x 90 mm | Fan 1 | 2 x 90 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityThe PowerColor Radeon RX 6400 ITX 4GB supports the downward compatible copy protection HDCP in version 2.3. The Sapphire Pulse Radeon RX 6600 supports HDCP in version 2.3 and all previous versions. |
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| 2 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.3 |
| 1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.1 |
| 1x DP v1.4a | DP Ports | 3x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe PowerColor Radeon RX 6400 ITX 4GB supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The Sapphire Pulse Radeon RX 6600 supports Microsoft's DirectX version 12_2 (Ultimate). |
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| 7680x4320 | Max. resolution | 7680x4320 |
| 12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
| Yes | 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 |
| Decode | AV1 | Decode |
| Decode / Encode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe PowerColor Radeon RX 6400 ITX 4GB is 40 mm wide and therefore needs the space of 2 PCIe-Slots in the case. The width of the Sapphire Pulse Radeon RX 6600 is 40 mm and thus requires the space of 2 PCIe-Slots in the PC case. |
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| 168 mm | Length | 193 mm |
| 125 mm | Height | 120 mm |
| 40 mm | Width | 40 mm |
| 2 PCIe-Slots | Width (Slots) | 2 PCIe-Slots |
| -- | Weight | 710 g |
| PCIe 4.0 x 4 | GPU Interface | PCIe 4.0 x 8 |
Additional dataManufactured using the 6 nanometer process, PowerColor Radeon RX 6400 ITX 4GB was released in Q2/2022. The Sapphire Pulse Radeon RX 6600 published in Q4/2021 is manufactured with a structure width of 7 nanometers. |
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| AXRX 6400 4GBD6-DH | Part-no | 11310-01-20G |
| Q2/2022 | Release date | Q4/2021 |
| 159 $ (Reference) | Launch Price | 329 $ (Reference) |
| 6 nm | Structure size | 7 nm |
| data sheet | Documents | data sheet |
1.923 GHz, 4 GB (53 W TDP)
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1.626 GHz, 8 GB (132 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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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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Port Royal (Raytracing)
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 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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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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2560x1440 (1440p)
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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1920x1080 (1080p)
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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The Last of Us Part 1
The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.
2560x1440 (1440p)
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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1920x1080 (1080p)
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Sapphire Pulse Radeon RX 6600
8 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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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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2560x1440 (1440p)
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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1920x1080 (1080p)
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 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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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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Geekbench 6 - Vulkan
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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Geekbench 6 - Metal
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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 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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PowerColor Radeon RX 6400 ITX 4GB
4 GB GDDR6 |
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Sapphire Pulse Radeon RX 6600
8 GB GDDR6 |
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