AMD Radeon RX 6800 XT
vs
AMD Radeon RX 6900 XT
GPU comparison with benchmarksThe AMD 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 AMD Radeon RX 6900 XT has 5120 shader units and these clock at a maximum of 2.25 GHz and achieve an FP32 computing power of 23.04 TFLOPS. |
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GPUThe AMD Radeon RX 6800 XT is equipped with a graphics chip of the RDNA 2 architecture, which has 72 streaming multiprocessors. The graphics card AMD Radeon RX 6900 XT is based on the RDNA 2 architecture and is equipped with 80 execution units. |
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| AMD Radeon RX 6800 XT | GPU | AMD Radeon RX 6900 XT |
| AMD Radeon RX 6800 XT | Based on | AMD Radeon RX 6900 XT |
| Navi 21 XT | GPU Chip | Navi 21 |
| RDNA 2 | Architecture | RDNA 2 |
| 72 | Streaming Multiprocessors | 80 |
| 4608 | Shader | 5120 |
| 128 | Render Output Units | 128 |
| 288 | Texture Units | 320 |
| 72 | Raytracing Cores | 80 |
MemoryThe AMD Radeon RX 6800 XT is equipped with a 16 GB large GDDR6 graphics memory, which is equipped with 2.000 GHz clocks. The AMD Radeon RX 6900 XT has a 16 GB large GDDR6 graphics memory and the memory clock is 2.000GHz. |
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| 16 GB | Memory Size | 16 GB |
| GDDR6 | Memory Type | GDDR6 |
| 2.000 GHz | Memory Clock | 2.000 GHz |
| 16.0 Gbps | Memory Speed | 16.0 Gbps |
| 512 GB/s | Memory bandwidth | 512 GB/s |
| 256 bit | Memory Interface | 256 bit |
Clock SpeedsThe AMD Radeon RX 6800 XT has a turbo clock of 2.250 GHz. The turbo frequency of the AMD Radeon RX 6900 XT is 2.250 GHz. |
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| 1.825 GHz | Base Clock | 1.825 GHz |
| 2.250 GHz | Boost Clock | 2.250 GHz |
| 2.02 GHz | Avg (Game) Clock | 2.02 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe AMD 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 AMD Radeon RX 6900 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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| 300 W | TDP | 300 W |
| 345 W | TDP (up) | 345 W |
| 100 °C | Tjunction max | 100 °C |
| 2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe graphics processor and graphics memory of the AMD Radeon RX 6800 XT are cooled with a Air cooling. The AMD Radeon RX 6900 XT is cooled by a Air cooling. |
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| Axial | Fan-Type | Axial |
| 3 x 80 mm | Fan 1 | 3 x 80 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| 37 dB | Noise (Load) | 38 dB |
ConnectivityThe AMD Radeon RX 6800 XT supports the downward compatible copy protection HDCP in version 2.3. The AMD Radeon RX 6900 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 |
| 2x DP v1.4a | DP Ports | 2x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| 1 | USB-C Ports | 1 |
FeaturesetThe AMD Radeon RX 6800 XT supports the DirectX standard from Microsoft in version 12_2 (Ultimate). The AMD Radeon RX 6900 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 | Non 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 / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe AMD Radeon RX 6800 XT is -- wide and therefore needs the space of 3 PCIe-Slots in the case. The width of the AMD Radeon RX 6900 XT is -- and thus requires the space of 3 PCIe-Slots in the PC case. |
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| 270 mm | Length | 267 mm |
| 120 mm | Height | 120 mm |
| -- | Width | -- |
| 3 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| 1503 g | Weight | 1492 g |
| PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataManufactured using the 7 nanometer process, AMD Radeon RX 6800 XT was released in Q4/2020. The AMD Radeon RX 6900 XT published in Q4/2020 is manufactured with a structure width of 7 nanometers. |
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| -- | Part-no | 102-D412 |
| Q4/2020 | Release date | Q4/2020 |
| 799 $ | Launch Price | 999 $ |
| 7 nm | Structure size | 7 nm |
| data sheet | Documents | data sheet |
1.825 GHz, 16 GB (300 W TDP)
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1.825 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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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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Port Royal (Raytracing)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 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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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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2560x1440 (1440p)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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1920x1080 (1080p)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 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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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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2560x1440 (1440p)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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1920x1080 (1080p)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 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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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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2560x1440 (1440p)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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1920x1080 (1080p)
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 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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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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Geekbench 6 - Vulkan
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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Geekbench 6 - Metal
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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 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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AMD Radeon RX 6800 XT
16 GB GDDR6 |
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AMD Radeon RX 6900 XT
16 GB GDDR6 |
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