GPU comparison with benchmarksThe XFX Radeon RX 6800 XT has 4608 shader units and these clock a maximum of 2.25 GHz which results in an FP32 computing power of 20.74 TFLOPS.
The Gainward GeForce RTX 3080 12GB Phantom GS has 8960 shader units and these clock at a maximum of 1.82 GHz and achieve an FP32 computing power of 32.52 TFLOPS. |
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GPUThe XFX Radeon RX 6800 XT is equipped with a graphics chip of the RDNA 2 architecture, which has 72 streaming multiprocessors. The graphics card Gainward GeForce RTX 3080 12GB Phantom GS is based on the Ampere architecture and is equipped with 70 execution units. |
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XFX Radeon RX 6800 XT | GPU | Gainward GeForce RTX 3080 12GB Phantom GS |
AMD Radeon RX 6800 XT | Based on | NVIDIA GeForce RTX 3080 12GB |
Navi 21 XT | GPU Chip | GA102 |
RDNA 2 | Architecture | Ampere |
72 | Streaming Multiprocessors | 70 |
4608 | Shader | 8960 |
128 | Render Output Units | 112 |
288 | Texture Units | 280 |
72 | Raytracing Cores | 70 |
MemoryThe XFX Radeon RX 6800 XT is equipped with a 16 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks. The Gainward GeForce RTX 3080 12GB Phantom GS has a 12 GB large GDDR6X graphics memory and the memory clock is 1.188GHz. |
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16 GB | Memory Size | 12 GB |
GDDR6 | Memory Type | GDDR6X |
2.000 GHz | Memory Clock | 1.188 GHz |
16.0 Gbps | Memory Speed | 19.0 Gbps |
512 GB/s | Memory bandwidth | 912 GB/s |
256 bit | Memory Interface | 384 bit |
Clock SpeedsThe XFX Radeon RX 6800 XT has a turbo clock of 2.250 GHz. The turbo frequency of the Gainward GeForce RTX 3080 12GB Phantom GS is 1.815 GHz. |
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1.825 GHz | Base Clock | 1.260 GHz |
2.250 GHz | Boost Clock | 1.815 GHz |
2.02 GHz | Avg (Game) Clock | |
Yes | Overclocking | Yes |
Thermal DesignThe XFX Radeon RX 6800 XT has 2 x 8-Pin connectors through which it is supplied with power. The manufacturer specifies the maximum operating temperature of the graphics card as 100 °C. The Gainward GeForce RTX 3080 12GB Phantom GS is equipped with a 3 x 8-Pin PCIe power connector that supplies it with power. The maximum operating temperature of the card is 93 °C. |
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300 W | TDP | 350 W |
345 W | TDP (up) | -- |
100 °C | Tjunction max | 93 °C |
2 x 8-Pin | PCIe-Power | 3 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the XFX Radeon RX 6800 XT are cooled with a Air cooling. The Gainward GeForce RTX 3080 12GB Phantom GS is cooled by a Air cooling. |
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Axial | Fan-Type | Axial |
3 x 80 mm | Fan 1 | 3 x 100 mm |
-- | Fan 2 | -- |
Air cooling | Cooler-Type | Air cooling |
0 dB | Noise (Idle) | 0 dB |
37 dB | Noise (Load) | -- |
ConnectivityThe XFX Radeon RX 6800 XT supports the downward compatible copy protection HDCP in version 2.3. The Gainward GeForce RTX 3080 12GB Phantom GS supports HDCP in version 2.3 and all previous versions. |
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4 | Max. Displays | 4 |
2.3 | HDCP-Version | 2.3 |
1x HDMI v2.1 | HDMI Ports | 1x HDMI v2.1 |
2x DP v1.4a | DP Ports | 3x DP v1.4a |
-- | DVI Ports | -- |
-- | VGA Ports | -- |
1 | USB-C Ports | -- |
FeaturesetThe XFX Radeon RX 6800 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The Gainward GeForce RTX 3080 12GB Phantom GS 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 |
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 |
Decode | AV1 | Decode |
Decode / Encode | VP8 | Decode |
Decode / Encode | VP9 | Decode |
DimensionsThe XFX Radeon RX 6800 XT is 50 mm wide and therefore needs the space of 3 PCIe-Slots in the case. The width of the Gainward GeForce RTX 3080 12GB Phantom GS is 50 mm and thus requires the space of 3 PCIe-Slots in the PC case. |
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267 mm | Length | 304 mm |
120 mm | Height | 138 mm |
50 mm | Width | -- |
3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
1500 g | Weight | -- |
PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataManufactured using the 7 nanometer process, XFX Radeon RX 6800 XT was released in Q2/2021. The Gainward GeForce RTX 3080 12GB Phantom GS published in Q1/2022 is manufactured with a structure width of 8 nanometers. |
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RX-68TMATFD8 | Part-no | NED3080019KB-1020M |
Q2/2021 | Release date | Q1/2022 |
649 $ (Reference) | Launch Price | 699 $ (Reference) |
7 nm | Structure size | 8 nm |
data sheet | Documents | data sheet |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
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Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
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Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
|||
Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
XFX Radeon RX 6800 XT
16 GB GDDR6 |
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Gainward GeForce RTX 3080 12GB Phantom GS
12 GB GDDR6X |