PowerColor Red Devil Radeon RX 590 8GB GDDR5
vs
PowerColor Red Devil Radeon RX 6600 XT
GPU comparison with benchmarksThe PowerColor Red Devil Radeon RX 590 8GB GDDR5 has 2304 shader units and these clock a maximum of 1.58 GHz which results in an FP32 computing power of 7.26 TFLOPS.
The PowerColor Red Devil Radeon RX 6600 XT has 2048 shader units and these clock at a maximum of 2.61 GHz and achieve an FP32 computing power of 10.68 TFLOPS. |
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GPUThe PowerColor Red Devil Radeon RX 590 8GB GDDR5 is equipped with a graphics chip of the GCN 4 architecture, which has 36 streaming multiprocessors. The graphics card PowerColor Red Devil Radeon RX 6600 XT is based on the RDNA 2 architecture and is equipped with 32 execution units. |
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| PowerColor Red Devil Radeon RX 590 8GB GDDR5 | GPU | PowerColor Red Devil Radeon RX 6600 XT |
| AMD Radeon RX 590 | Based on | AMD Radeon RX 6600 XT |
| Polaris 30 XT | GPU Chip | Navi 23 XT |
| GCN 4 | Architecture | RDNA 2 |
| 36 | Streaming Multiprocessors | 32 |
| 2304 | Shader | 2048 |
| 32 | Render Output Units | 64 |
| 144 | Texture Units | 128 |
| 0 | Raytracing Cores | 32 |
MemoryThe PowerColor Red Devil Radeon RX 590 8GB GDDR5 is equipped with a 8 GB large GDDR5 graphics memory, which is equipped with 2.000 GHz clocks. The PowerColor Red Devil Radeon RX 6600 XT has a 8 GB large GDDR6 graphics memory and the memory clock is 2.000GHz. |
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| 8 GB | Memory Size | 8 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 | 256 GB/s |
| 256 bit | Memory Interface | 128 bit |
Clock SpeedsThe PowerColor Red Devil Radeon RX 590 8GB GDDR5 has a turbo clock of 1.576 GHz. The turbo frequency of the PowerColor Red Devil Radeon RX 6600 XT is 2.607 GHz. |
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| 1.469 GHz | Base Clock | 2.188 GHz |
| 1.576 GHz | Boost Clock | 2.607 GHz |
| Avg (Game) Clock | 2.43 GHz | |
| Yes | Overclocking | Yes |
Thermal DesignThe PowerColor Red Devil Radeon RX 590 8GB GDDR5 has 1 x 6-Pin, 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 PowerColor Red Devil Radeon RX 6600 XT is equipped with a 1 x 6-Pin, 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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| 225 W | TDP | 160 W |
| -- | TDP (up) | -- |
| 98 °C | Tjunction max | 100 °C |
| 1 x 6-Pin, 1 x 8-Pin | PCIe-Power | 1 x 6-Pin, 1 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the PowerColor Red Devil Radeon RX 590 8GB GDDR5 are cooled with a Air cooling. The PowerColor Red Devil Radeon RX 6600 XT is cooled by a Air cooling. |
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| Axial | Fan-Type | Axial |
| 2 x 100 mm | Fan 1 | 2 x 100 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | -- |
ConnectivityThe PowerColor Red Devil Radeon RX 590 8GB GDDR5 supports the downward compatible copy protection HDCP in version 2.2. The PowerColor Red Devil Radeon RX 6600 XT supports HDCP in version 2.3 and all previous versions. |
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| 4 | Max. Displays | 4 |
| 2.2 | HDCP-Version | 2.3 |
| 1x HDMI v2.0b | HDMI Ports | 1x HDMI v2.1 |
| 3x DP v1.4 | DP Ports | 3x DP v1.4 |
| 1 | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe PowerColor Red Devil Radeon RX 590 8GB GDDR5 supports the DirectX standard from Microsoft in version 12. The PowerColor Red Devil Radeon RX 6600 XT 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 |
| Non addressable LED | LED | Addressable LED |
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 PowerColor Red Devil Radeon RX 590 8GB GDDR5 is 57 mm wide and therefore needs the space of 3 PCIe-Slots in the case. The width of the PowerColor Red Devil Radeon RX 6600 XT is 57 mm and thus requires the space of 3 PCIe-Slots in the PC case. |
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| 255 mm | Length | 251 mm |
| 157 mm | Height | 133 mm |
| 57 mm | Width | 54 mm |
| 3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| -- | Weight | -- |
| PCIe 3.0 x 16 | GPU Interface | PCIe 4.0 x 8 |
Additional dataManufactured using the 14 nanometer process, PowerColor Red Devil Radeon RX 590 8GB GDDR5 was released in Q4/2018. The PowerColor Red Devil Radeon RX 6600 XT published in Q3/2021 is manufactured with a structure width of 7 nanometers. |
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| AXRX 590 8GBD5-3DH/OC | Part-no | AXRX 6600XT 8GBD6-3DHE/OC |
| Q4/2018 | Release date | Q3/2021 |
| 299 $ | Launch Price | 379 $ (Reference) |
| 14 nm | Structure size | 7 nm |
| data sheet | Documents | data sheet |
1.469 GHz, 8 GB (225 W TDP)
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2.188 GHz, 8 GB (160 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 Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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Port Royal (Raytracing)
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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PowerColor Red Devil Radeon RX 6600 XT
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 Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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2560x1440 (1440p)
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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1920x1080 (1080p)
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PowerColor Red Devil Radeon RX 6600 XT
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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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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1920x1080 (1080p)
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PowerColor Red Devil Radeon RX 6600 XT
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 Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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2560x1440 (1440p)
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PowerColor Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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1920x1080 (1080p)
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PowerColor Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
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 Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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Geekbench 6 - Vulkan
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PowerColor Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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Geekbench 6 - Metal
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PowerColor Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
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 Red Devil Radeon RX 590 8GB GDDR5
8 GB GDDR5 |
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PowerColor Red Devil Radeon RX 6600 XT
8 GB GDDR6 |
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