SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
vs
XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
GPU comparison with benchmarksIn the gpu comparison between the SAPPHIRE Nitro+ Radeon RX 6950 XT Pure and the XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming, we compare both the technical data and the benchmark results of the two graphics cards.
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GPUThe SAPPHIRE Nitro+ Radeon RX 6950 XT Pure is based on the AMD Radeon RX 6950 XT and has 5120 texture shaders and 80 execution units. XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming is based on AMD Radeon RX 6800 XT, which has 4608 shaders and 72 execution units. |
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| SAPPHIRE Nitro+ Radeon RX 6950 XT Pure | GPU | XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming |
| AMD Radeon RX 6950 XT | Based on | AMD Radeon RX 6800 XT |
| Navi 21 KXTX | GPU Chip | Navi 21 XT |
| RDNA 2 | Architecture | RDNA 2 |
| 80 | Streaming Multiprocessors | 72 |
| 5120 | Shader | 4608 |
| 128 | Render Output Units | 128 |
| 320 | Texture Units | 288 |
| 80 | Raytracing Cores | 72 |
MemoryThe SAPPHIRE Nitro+ Radeon RX 6950 XT Pure has 16 GB of graphics memory of the type GDDR6 and achieves a memory bandwidth of 576 GB/s. The XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming can access 16 GB GDDR6 graphics memory and thus achieves a memory bandwidth of 512 GB/s. |
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| 16 GB | Memory Size | 16 GB |
| GDDR6 | Memory Type | GDDR6 |
| 2.250 GHz | Memory Clock | 2.000 GHz |
| 18.0 Gbps | Memory Speed | 16.0 Gbps |
| 576 GB/s | Memory bandwidth | 512 GB/s |
| 256 bit | Memory Interface | 256 bit |
Clock SpeedsThe SAPPHIRE Nitro+ Radeon RX 6950 XT Pure clocks in the base with up to 1.925 GHz. The base frequency of the XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming is 1.825 GHz. |
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| 1.925 GHz | Base Clock | 1.825 GHz |
| 2.368 GHz | Boost Clock | 2.250 GHz |
| 2.16 GHz | Avg (Game) Clock | 2.02 GHz |
| Yes | Overclocking | Yes |
Thermal DesignThe TDP (Thermal Design Power) of the SAPPHIRE Nitro+ Radeon RX 6950 XT Pure is 405 W. The graphics card is supplied with energy via the 1 x 6-Pin, 2 x 8-Pin connector. The XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming 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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| 405 W | TDP | 300 W |
| -- | TDP (up) | 345 W |
| 100 °C | Tjunction max | 100 °C |
| 1 x 6-Pin, 2 x 8-Pin | PCIe-Power | 2 x 8-Pin |
Cooler & FansThe SAPPHIRE Nitro+ Radeon RX 6950 XT Pure has a total of 3 Axial fans. The XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming has 3 Axial fans to cool the GPU and memory. |
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| Axial | Fan-Type | Axial |
| 3 x 100 mm | Fan 1 | 2 x 105 mm |
| -- | Fan 2 | 1 x 90 mm |
| Air cooling | Cooler-Type | Air cooling |
| 0 dB | Noise (Idle) | 0 dB |
| -- | Noise (Load) | 35-36 dB |
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 6950 XT Pure. The XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming 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 |
| 3x DP v1.4a | DP Ports | 3x DP v1.4a |
| -- | DVI Ports | -- |
| -- | VGA Ports | -- |
| -- | USB-C Ports | -- |
FeaturesetThe SAPPHIRE Nitro+ Radeon RX 6950 XT Pure supports a maximum resolution of 7680x4320 pixels. The maximum resolution of the XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming 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 | AV1 | Decode |
| Decode / Encode | VP8 | Decode / Encode |
| Decode / Encode | VP9 | Decode / Encode |
DimensionsThe SAPPHIRE Nitro+ Radeon RX 6950 XT Pure is 320 mm long, 135 mm high and 72 mm wide. The XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming is 340 mm long, 138 mm high and 54 mm wide. |
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| 320 mm | Length | 340 mm |
| 135 mm | Height | 138 mm |
| 72 mm | Width | 54 mm |
| 4 PCIe-Slots | Width (Slots) | 3 PCIe-Slots |
| -- | Weight | 1817 g |
| PCIe 4.0 x 16 | GPU Interface | PCIe 4.0 x 16 |
Additional dataThe SAPPHIRE Nitro+ Radeon RX 6950 XT Pure was released in Q2/2022 at a price of 1,099 $ (Reference). The XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming was introduced in Q1/2021 at a price of 749 $. |
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| 11317-04-20G | Part-no | RX-68XTALFD9 |
| Q2/2022 | Release date | Q1/2021 |
| 1,099 $ (Reference) | Launch Price | 749 $ |
| 7 nm | Structure size | 7 nm |
| data sheet | Documents | data sheet |
1.925 GHz, 16 GB (405 W TDP)
Buy this graphic card at amazon!
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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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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Port Royal (Raytracing)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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Speed Way Graphics Score (Raytracing)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
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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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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1920x1080 (1080p)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
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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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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1920x1080 (1080p)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
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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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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2560x1440 (1440p)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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1920x1080 (1080p)
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
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 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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Geekbench 6 - Vulkan
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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Geekbench 6 - Metal
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SAPPHIRE Nitro+ Radeon RX 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
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 6950 XT Pure
16 GB GDDR6 |
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XFX Speedster MERC 319 Radeon RX 6800 XT Core Gaming
16 GB GDDR6 |
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