SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
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SAPPHIRE NITRO+ Radeon RX 7800 XT
GPU comparison with benchmarksIn the gpu comparison between the SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB and the SAPPHIRE NITRO+ Radeon RX 7800 XT, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB is based on the AMD Radeon RX 7900 XT and has 5376 texture shaders and 84 execution units. SAPPHIRE NITRO+ Radeon RX 7800 XT is based on AMD Radeon RX 7800 XT, which has 3840 shaders and 60 execution units. |
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| SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB | GPU | SAPPHIRE NITRO+ Radeon RX 7800 XT |
| AMD Radeon RX 7900 XT | Based on | AMD Radeon RX 7800 XT |
| Navi 31 | GPU Chip | Navi 32 XT |
| RDNA 3 | Architecture | RDNA 3 |
| 84 | Streaming Multiprocessors | 60 |
| 5376 | Shader | 3840 |
| 192 | Render Output Units | 96 |
| 336 | Texture Units | 240 |
| 84 | Raytracing Cores | 60 |
MemoryThe SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB has 20 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 800 GB/s. The SAPPHIRE NITRO+ Radeon RX 7800 XT can access 16 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 624 GB/s. |
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| 20 GB | Memory Size | 16 GB |
| GDDR6 | Memory Type | GDDR6 |
| 2.500 GHz | Memory Clock | 2.438 GHz |
| 20.0 Gbps | Memory Speed | 19.5 Gbps |
| 800 GB/s | Memory bandwidth | 624 GB/s |
| 320 bit | Memory Interface | 256 bit |
Clock SpeedsThe SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB clocks in the base with up to 1.500 GHz. The base frequency of the SAPPHIRE NITRO+ Radeon RX 7800 XT is 1.800 GHz. |
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| 1.500 GHz | Base Clock | 1.800 GHz |
| 2.560 GHz | Boost Clock | 2.565 GHz |
| 2.22 GHz | Avg (Game) Clock | 2.25 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB is 368 W. The graphics card is supplied with energy via the 3 x 8-Pin connector. The SAPPHIRE NITRO+ Radeon RX 7800 XT has a TDP of 288 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors. |
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| 368 W | TDP | 288 W |
| -- | TDP (up) | -- |
| 97 °C | Tjunction max | 96 °C |
| 3 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB has a total of 3 Axial fans. The SAPPHIRE NITRO+ Radeon RX 7800 XT 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 100 mm |
| -- | Fan 2 | -- |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 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 SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB. The SAPPHIRE NITRO+ Radeon RX 7800 XT supports a maximum of 4 screens. |
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| 4 | Max. Displays | 4 |
| 2.3 | HDCP-Version | 2.3 |
| 2x HDMI v2.1 | HDMI Ports | 2x HDMI v2.1 |
| 2x DP v2.1 | DP Ports | 2x DP v2.1 |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the SAPPHIRE NITRO+ Radeon RX 7800 XT 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 / Encode | AV1 | Decode / Encode |
| Decode / Encode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB is 320 mm long, 136 mm high and 72 mm wide. The SAPPHIRE NITRO+ Radeon RX 7800 XT is 320 mm long, 135 mm high and 62 mm wide. |
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| 320 mm | Length | 320 mm |
| 136 mm | Height | 135 mm |
| 72 mm | Width | 62 mm |
| 4 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| -- | Weight | -- |
| PCIe 4 x 16 | GPU Interface | PCIe 4 x 16 |
Additional dataThe SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB was released in Q4/2022 at a price of 899 $ (Reference). The SAPPHIRE NITRO+ Radeon RX 7800 XT was introduced in Q3/2023 at a price of 499 $ (Reference). |
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| 11323-01-40G | Part-no | 11330-01-20G |
| Q4/2022 | Release date | Q3/2023 |
| 899 $ (Reference) | Launch Price | 499 $ (Reference) |
| 5 nm | Structure size | 5 nm |
| data sheet | Documents | data sheet |
1.500 GHz, 20 GB (368 W TDP)
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1.800 GHz, 16 GB (288 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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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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SAPPHIRE NITRO+ Radeon RX 7800 XT
16 GB GDDR6 |
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Port Royal (Raytracing)
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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 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.
2560x1440 (1440p)
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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 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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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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SAPPHIRE NITRO+ Radeon RX 7800 XT
16 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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SAPPHIRE NITRO+ Radeon RX 7800 XT
16 GB GDDR6 |
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1920x1080 (1080p)
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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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SAPPHIRE NITRO+ Radeon RX 7800 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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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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SAPPHIRE NITRO+ Radeon RX 7800 XT
16 GB GDDR6 |
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Geekbench 6 - Vulkan
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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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SAPPHIRE NITRO+ Radeon RX 7800 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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SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB
20 GB GDDR6 |
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SAPPHIRE NITRO+ Radeon RX 7800 XT
16 GB GDDR6 |
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