GPU comparison with benchmarksThe ASRock Phantom Gaming U Radeon RX 590 8G OC has 2304 shader units and these clock a maximum of 1.56 GHz which results in an FP32 computing power of 7.19 TFLOPS.
The AMD 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 ASRock Phantom Gaming U Radeon RX 590 8G OC is equipped with a graphics chip of the GCN 4 architecture, which has 36 streaming multiprocessors. The graphics card AMD Radeon RX 6600 is based on the RDNA 2 architecture and is equipped with 28 execution units. |
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ASRock Phantom Gaming U Radeon RX 590 8G OC | GPU | AMD Radeon RX 6600 |
AMD Radeon RX 590 | Based on | AMD Radeon RX 6600 |
Polaris 30 XT | GPU Chip | Navi 23 XL |
GCN 4 | Architecture | RDNA 2 |
36 | Streaming Multiprocessors | 28 |
2304 | Shader | 1792 |
32 | Render Output Units | 64 |
144 | Texture Units | 112 |
0 | Raytracing Cores | 28 |
MemoryThe ASRock Phantom Gaming U Radeon RX 590 8G OC is equipped with a 8 GB large GDDR5 graphics memory, which is equipped with 2.000 GHz clocks. The AMD Radeon RX 6600 has a 8 GB large GDDR6 graphics memory and the memory clock is 1.750GHz. |
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8 GB | Memory Size | 8 GB |
GDDR5 | Memory Type | GDDR6 |
2.000 GHz | Memory Clock | 1.750 GHz |
8.0 Gbps | Memory Speed | 14.0 Gbps |
256 GB/s | Memory bandwidth | 224 GB/s |
256 bit | Memory Interface | 128 bit |
Clock SpeedsThe ASRock Phantom Gaming U Radeon RX 590 8G OC has a turbo clock of 1.560 GHz. The turbo frequency of the AMD Radeon RX 6600 is 2.491 GHz. |
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1.469 GHz | Base Clock | 1.626 GHz |
1.560 GHz | Boost Clock | 2.491 GHz |
Avg (Game) Clock | 2.04 GHz | |
Yes | Overclocking | Yes |
Thermal DesignThe ASRock Phantom Gaming U Radeon RX 590 8G OC 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 AMD 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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225 W | TDP | 132 W |
-- | TDP (up) | -- |
98 °C | Tjunction max | 100 °C |
1 x 8-Pin | PCIe-Power | 1 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the ASRock Phantom Gaming U Radeon RX 590 8G OC are cooled with a Air cooling. The AMD Radeon RX 6600 is cooled by a Air cooling. |
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Axial | Fan-Type | Axial |
2 x 85 mm | Fan 1 | 1 |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
-- | Noise (Load) | -- |
ConnectivityThe ASRock Phantom Gaming U Radeon RX 590 8G OC supports the downward compatible copy protection HDCP in version 2.2. The AMD Radeon RX 6600 supports HDCP in version 2.3 and all previous versions. |
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4 | Max. Displays | 4 |
2.2 | HDCP-Version | 2.3 |
2x HDMI v2.0b | HDMI Ports | 1x HDMI v2.1 |
2x DP v1.4 | DP Ports | 3x DP v1.4 |
1 | DVI Ports | -- |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetThe ASRock Phantom Gaming U Radeon RX 590 8G OC supports the DirectX standard from Microsoft in version 12. The AMD Radeon RX 6600 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 |
Addressable LED | 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 ASRock Phantom Gaming U Radeon RX 590 8G OC is 42 mm wide and therefore needs the space of -- in the case. The width of the AMD Radeon RX 6600 is 42 mm and thus requires the space of -- in the PC case. |
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279 mm | Length | -- |
127 mm | Height | -- |
42 mm | Width | -- |
2 PCIe-Slots | Width (Slots) | -- |
-- | Weight | -- |
PCIe 3.0 x 16 | GPU Interface | PCIe 4.0 x 8 |
Additional dataManufactured using the 14 nanometer process, ASRock Phantom Gaming U Radeon RX 590 8G OC was released in Q4/2018. The AMD Radeon RX 6600 published in Q4/2021 is manufactured with a structure width of 7 nanometers. |
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PHANTOM GUR RX590 8G OC | Part-no | -- |
Q4/2018 | Release date | Q4/2021 |
279 $ | Launch Price | 329 $ (Reference) |
14 nm | Structure size | 7 nm |
data sheet | Documents | data sheet |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |
AMD Radeon RX 6600
8 GB GDDR6 |
AMD Radeon RX 6600
8 GB GDDR6 |
AMD Radeon RX 6600
8 GB GDDR6 |
AMD Radeon RX 6600
8 GB GDDR6 |
AMD Radeon RX 6600
8 GB GDDR6 |
AMD Radeon RX 6600
8 GB GDDR6 |
AMD Radeon RX 6600
8 GB GDDR6 |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |
ASRock Phantom Gaming U Radeon RX 590 8G OC
8 GB GDDR5 |
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AMD Radeon RX 6600
8 GB GDDR6 |