Gainward GeForce RTX 3090 Phoenix GS
vs
PowerColor Red Devil Radeon RX 6800 XT
GPU comparison with benchmarksThe Gainward GeForce RTX 3090 Phoenix GS has 10496 shader units and these clock a maximum of 1.73 GHz which results in an FP32 computing power of 36.21 TFLOPS.
The PowerColor Red Devil Radeon RX 6800 XT has 4608 shader units and these clock at a maximum of 2.34 GHz and achieve an FP32 computing power of 21.57 TFLOPS. |
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GPUThe Gainward GeForce RTX 3090 Phoenix GS is equipped with a graphics chip of the Ampere architecture, which has 82 streaming multiprocessors. The graphics card PowerColor Red Devil Radeon RX 6800 XT is based on the RDNA 2 architecture and is equipped with 72 execution units. |
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| Gainward GeForce RTX 3090 Phoenix GS | GPU | PowerColor Red Devil Radeon RX 6800 XT |
| NVIDIA GeForce RTX 3090 | Based on | AMD Radeon RX 6800 XT |
| GA102-300-A1 | GPU Chip | Navi 21 XT |
| Ampere | Architecture | RDNA 2 |
| 82 | Streaming Multiprocessors | 72 |
| 10496 | Shader | 4608 |
| 112 | Render Output Units | 128 |
| 328 | Texture Units | 288 |
| 82 | Raytracing Cores | 72 |
MemoryThe Gainward GeForce RTX 3090 Phoenix GS is equipped with a 24 GB large GDDR6X graphics memory, which is equipped with 1.219 GHz clocks. The PowerColor Red Devil Radeon RX 6800 XT has a 16 GB large GDDR6 graphics memory and the memory clock is 2.000GHz. |
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| 24 GB | Memory Size | 16 GB |
| GDDR6X | Memory Type | GDDR6 |
| 1.219 GHz | Memory Clock | 2.000 GHz |
| 19.5 Gbps | Memory Speed | 16.0 Gbps |
| 936 GB/s | Memory bandwidth | 512 GB/s |
| 384 bit | Memory Interface | 256 bit |
Clock SpeedsThe Gainward GeForce RTX 3090 Phoenix GS has a turbo clock of 1.725 GHz. The turbo frequency of the PowerColor Red Devil Radeon RX 6800 XT is 2.340 GHz. |
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| 1.395 GHz | Base Clock | 1.900 GHz |
| 1.725 GHz | Boost Clock | 2.340 GHz |
| Avg (Game) Clock | 2.09 GHz | |
| Yes | Overclocking | Yes |
Thermal DesignThe Gainward GeForce RTX 3090 Phoenix GS 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 93 °C. The PowerColor Red Devil Radeon RX 6800 XT is equipped with a 2 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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| 350 W | TDP | 300 W |
| -- | TDP (up) | 345 W |
| 93 °C | Tjunction max | 100 °C |
| 2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the Gainward GeForce RTX 3090 Phoenix GS are cooled with a Air cooling. The PowerColor Red Devil Radeon RX 6800 XT is cooled by a Air cooling. |
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| Axial | Fan-Type | Axial |
| 3 x 90 mm | Fan 1 | 2 x 100 mm |
| -- | Fan 2 | 1 x 90 mm |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | 36-38 dB |
ConnectivityThe Gainward GeForce RTX 3090 Phoenix GS supports the downward compatible copy protection HDCP in version 2.3. The PowerColor Red Devil Radeon RX 6800 XT 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 |
| 3x DP v1.4a | DP Ports | 3x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe Gainward GeForce RTX 3090 Phoenix GS supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The PowerColor Red Devil Radeon RX 6800 XT 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 | VP8 | Decode / Encode |
| Decode | VP9 | Decode / Encode |
DimensionsThe Gainward GeForce RTX 3090 Phoenix GS is -- wide and therefore needs the space of 3 PCIe-Slots in the case. The width of the PowerColor Red Devil Radeon RX 6800 XT is -- and thus requires the space of 3 PCIe-Slots in the PC case. |
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| 294 mm | Length | 320 mm |
| 112 mm | Height | 135 mm |
| -- | Width | 62 mm |
| 3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| -- | Weight | 1610 g |
| PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataManufactured using the 8 nanometer process, Gainward GeForce RTX 3090 Phoenix GS was released in Q3/2020. The PowerColor Red Devil Radeon RX 6800 XT published in Q1/2021 is manufactured with a structure width of 7 nanometers. |
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| NED3090S19SB-132BX | Part-no | AXRX 6800XT 16GBD6-3DHE/OC |
| Q3/2020 | Release date | Q1/2021 |
| 1,579 $ | Launch Price | 799 $ |
| 8 nm | Structure size | 7 nm |
| data sheet | Documents | data sheet |
1.395 GHz, 24 GB (350 W TDP)
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1.900 GHz, 16 GB (300 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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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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Port Royal (Raytracing)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 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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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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2560x1440 (1440p)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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1920x1080 (1080p)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 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.
3840x2160 (2160p)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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2560x1440 (1440p)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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1920x1080 (1080p)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 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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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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2560x1440 (1440p)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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1920x1080 (1080p)
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 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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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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Geekbench 6 - Vulkan
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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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Geekbench 6 - Metal
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PowerColor Red Devil Radeon RX 6800 XT
16 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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Gainward GeForce RTX 3090 Phoenix GS
24 GB GDDR6X |
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PowerColor Red Devil Radeon RX 6800 XT
16 GB GDDR6 |
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