SAPPHIRE Radeon RX 7900 XT 20GB
vs
XFX Speedster MERC 310 Radeon RX 7900 XT
GPU comparison with benchmarksIn the gpu comparison between the SAPPHIRE Radeon RX 7900 XT 20GB and the XFX Speedster MERC 310 Radeon RX 7900 XT, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe SAPPHIRE Radeon RX 7900 XT 20GB is based on the AMD Radeon RX 7900 XT and has 5376 texture shaders and 84 execution units. XFX Speedster MERC 310 Radeon RX 7900 XT is based on AMD Radeon RX 7900 XT, which has 5376 shaders and 84 execution units. |
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| SAPPHIRE Radeon RX 7900 XT 20GB | GPU | XFX Speedster MERC 310 Radeon RX 7900 XT |
| AMD Radeon RX 7900 XT | Based on | AMD Radeon RX 7900 XT |
| Navi 31 | GPU Chip | Navi 31 |
| RDNA 3 | Architecture | RDNA 3 |
| 84 | Streaming Multiprocessors | 84 |
| 5376 | Shader | 5376 |
| 192 | Render Output Units | 192 |
| 336 | Texture Units | 336 |
| 84 | Raytracing Cores | 84 |
MemoryThe SAPPHIRE Radeon RX 7900 XT 20GB has 20 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 800 GB/s. The XFX Speedster MERC 310 Radeon RX 7900 XT can access 20 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 800 GB/s. |
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| 20 GB | Memory Size | 20 GB |
| GDDR6 | Memory Type | GDDR6 |
| 2.500 GHz | Memory Clock | 2.500 GHz |
| 20.0 Gbps | Memory Speed | 20.0 Gbps |
| 800 GB/s | Memory bandwidth | 800 GB/s |
| 320 bit | Memory Interface | 320 bit |
Clock SpeedsThe SAPPHIRE Radeon RX 7900 XT 20GB clocks in the base with up to 1.500 GHz. The base frequency of the XFX Speedster MERC 310 Radeon RX 7900 XT is 1.500 GHz. |
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| 1.500 GHz | Base Clock | 1.500 GHz |
| 2.400 GHz | Boost Clock | 2.535 GHz + 6 % |
| 2.00 GHz | Avg (Game) Clock | 2.18 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the SAPPHIRE Radeon RX 7900 XT 20GB is 308 W + 3 %. The graphics card is supplied with energy via the 2 x 8-Pin connector.The XFX Speedster MERC 310 Radeon RX 7900 XT has a TDP of 300 W and is supplied with the required energy via 2 x 8-Pin PCIe power connectors. |
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| 308 W+ 3 % |
TDP | 300 W |
| -- | TDP (up) | -- |
| 97 °C | Tjunction max | 97 °C |
| 2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe SAPPHIRE Radeon RX 7900 XT 20GB has a total of 3 Axial fans. The XFX Speedster MERC 310 Radeon RX 7900 XT has 3 Axial fans to cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 3 x 90 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 Radeon RX 7900 XT 20GB. The XFX Speedster MERC 310 Radeon RX 7900 XT 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 |
| 2x DP v2.1 | DP Ports | 3x DP v2.1 |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| 1 | USB-C Ports | -- |
FeaturesetThe SAPPHIRE Radeon RX 7900 XT 20GB supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the XFX Speedster MERC 310 Radeon RX 7900 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 |
| No LED lighting | LED | No LED lighting |
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 Radeon RX 7900 XT 20GB is 276 mm long, 113 mm high and 51 mm wide. The XFX Speedster MERC 310 Radeon RX 7900 XT is 344 mm long, 128 mm high and 55 mm wide. |
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| 276 mm | Length | 344 mm |
| 113 mm | Height | 128 mm |
| 51 mm | Width | 55 mm |
| 3 PCIe-Slots | Width (Slots) | -- |
| -- | Weight | -- |
| PCIe 4 x 16 | GPU Interface | PCIe 4 x 16 |
Additional dataThe SAPPHIRE Radeon RX 7900 XT 20GB was released in Q4/2022 at a price of 899 $. The XFX Speedster MERC 310 Radeon RX 7900 XT was introduced in Q4/2022 at a price of 899 $ (Reference). |
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| 21323-01-20G | Part-no | RX-79TMERCU9 |
| Q4/2022 | Release date | Q4/2022 |
| 899 $ | Launch Price | 899 $ (Reference) |
| 5 nm | Structure size | 5 nm |
| data sheet | Documents | data sheet |
1.500 GHz, 20 GB (308 W TDP)
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1.500 GHz, 20 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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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 GB GDDR6 |
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Port Royal (Raytracing)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
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 Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
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 Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 GB GDDR6 |
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1920x1080 (1080p)
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 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 Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 GB GDDR6 |
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Geekbench 6 - Vulkan
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SAPPHIRE Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 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 Radeon RX 7900 XT 20GB
20 GB GDDR6 |
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XFX Speedster MERC 310 Radeon RX 7900 XT
20 GB GDDR6 |
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