GPU comparison with benchmarksIn the gpu comparison between the ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC and the KFA2 GeForce RTX 4090 ST (1-Click OC), we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC is based on the AMD Radeon RX 6800 XT and has 4608 texture shaders and 72 execution units. KFA2 GeForce RTX 4090 ST (1-Click OC) is based on NVIDIA GeForce RTX 4090, which has 16384 shaders and 128 execution units. |
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ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC | GPU | KFA2 GeForce RTX 4090 ST (1-Click OC) |
AMD Radeon RX 6800 XT | Based on | NVIDIA GeForce RTX 4090 |
Navi 21 XT | GPU Chip | AD102-300-A1 |
RDNA 2 | Architecture | Ada Lovelace |
72 | Streaming Multiprocessors | 128 |
4608 | Shader | 16384 |
128 | Render Output Units | 176 |
288 | Texture Units | 512 |
72 | Raytracing Cores | 128 |
MemoryThe ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC has 16 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 512 GB/s. The KFA2 GeForce RTX 4090 ST (1-Click OC) can access 24 GB GDDR6X graphics memory and thus achieves a memory bandwidth of 1008 GB/s. |
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16 GB | Memory Size | 24 GB |
GDDR6 | Memory Type | GDDR6X |
2.000 GHz | Memory Clock | 1.313 GHz |
16.0 Gbps | Memory Speed | 21.0 Gbps |
512 GB/s | Memory bandwidth | 1008 GB/s |
256 bit | Memory Interface | 384 bit |
Clock SpeedsThe ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC clocks in the base with up to 1.875 GHz. The base frequency of the KFA2 GeForce RTX 4090 ST (1-Click OC) is 2.235 GHz. |
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1.875 GHz | Base Clock | 2.235 GHz |
2.310 GHz | Boost Clock | 2.535 GHz |
2.07 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC is 300 W. The graphics card is supplied with energy via the 3 x 8-Pin connector. The KFA2 GeForce RTX 4090 ST (1-Click OC) has a TDP of 450 W and is supplied with the required energy via 1 x 16-Pin PCIe power connectors. |
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300 W | TDP | 450 W |
345 W | TDP (up) | 450 W |
100 °C | Tjunction max | 90 °C |
3 x 8-Pin | PCIe-Power | 1 x 16-Pin |
Cooler & FansThe ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC has a total of 3 Axial fans. The KFA2 GeForce RTX 4090 ST (1-Click OC) has 3 Axial fans to cool the GPU and memory. |
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Axial | Fan-Type | Axial |
3 x 100 mm | Fan 1 | 3 x 102 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
35 dB | Noise (Load) | -- |
ConnectivityIn the connectivity category, we recorded the number of ports on a graphics card. A total of 4 screens can be connected to the ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC. The KFA2 GeForce RTX 4090 ST (1-Click OC) supports a maximum of 4 screens. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.3 |
1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.1 |
3x DP v1.4a | DP Ports | 3x DP v1.4a |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
-- | USB-C Ports | -- |
FeaturesetThe ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the KFA2 GeForce RTX 4090 ST (1-Click OC) is 7680x4320 pixels. |
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7680x4320 | Max. resolution | 7680x4320 |
12_2 (Ultimate) | DirectX | 12_2 (Ultimate) |
Yes | Raytracing | Yes |
Yes | DLSS / FSR | Yes |
Addressable LED | LED | Addressable LED |
Supported Video CodecsThe support and acceleration of certain video codecs directly in the graphics card reduces the load when playing or creating videos. |
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Decode / Encode | h264 | Decode / Encode |
Decode / Encode | h265 / HEVC | Decode / Encode |
Decode | AV1 | Decode |
Decode / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC is 330 mm long, 140 mm high and 56 mm wide. The KFA2 GeForce RTX 4090 ST (1-Click OC) is 352 mm long, 153 mm high and 74 mm wide. |
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330 mm | Length | 352 mm |
140 mm | Height | 153 mm |
56 mm | Width | 74 mm |
3 PCIe-Slots | Width (Slots) | 4 PCIe-Slots |
1784 g | Weight | -- |
PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC was released in Q1/2021 at a price of 759 $. The KFA2 GeForce RTX 4090 ST (1-Click OC) was introduced in Q4/2022 at a price of 1,999 $. |
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RX6800XT PGD 16GO | Part-no | 49NXM5MD6DSK |
Q1/2021 | Release date | Q4/2022 |
759 $ | Launch Price | 1,999 $ |
7 nm | Structure size | 5 nm |
data sheet | Documents | data sheet |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC
16 GB GDDR6 |
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KFA2 GeForce RTX 4090 ST (1-Click OC)
24 GB GDDR6X |