AMD Radeon RX 6800M vs NVIDIA GeForce RTX 5070 Mobile Comparison

The benchmark data is unambiguous: the NVIDIA GeForce RTX 5070 Mobile decisively outperforms the AMD Radeon RX 6800M across every single test in the comparison suite. With 9 wins out of 9 head-to-head benchmarks, the RTX 5070 Mobile does not merely edge out its rival; it delivers substantial, often massive, performance advantages in both synthetic compute and graphics workloads. The data shows a generational leap that leaves the older Radeon part firmly in the rearview mirror.

Head-to-Head Benchmarks

The most dramatic difference appears in compute-oriented workloads. In the Passmark GPU Compute test, the RTX 5070 Mobile scores 8279 against the RX 6800M’s 5032, a 64.5% advantage. This is not a marginal lead; it is a dominant one, suggesting the NVIDIA architecture handles general-purpose compute tasks with far greater efficiency. The Geekbench OpenCL result reinforces this trend, with the RTX 5070 Mobile posting 122238 versus 87621, a 39.5% difference. Similarly, the Geekbench Vulkan test shows a 23.4% lead for NVIDIA, with scores of 116960 and 94766 respectively.

Rasterization performance tells a similar story. The Passmark G3D score, a strong indicator of overall gaming capability, shows the RTX 5070 Mobile at 20355, which is 53.5% higher than the RX 6800M’s 13261. This is a significant gap that would translate into noticeably higher frame rates in most titles. The legacy DirectX tests are even more lopsided. In Passmark DirectX 11, the RTX 5070 Mobile leads by 51.2% (192 vs 127), and in DirectX 9, it leads by 45.6% (214 vs 147). Even in DirectX 12, a modern API where AMD’s architecture is often competitive, the NVIDIA part wins by 43.1% (93 vs 65).

The only category where the margin is not colossal is 2D performance, but even there, the RTX 5070 Mobile’s Passmark G2D score of 896 is a full 66.5% higher than the RX 6800M’s 538. The data paints a consistent picture: across every workload measured, from legacy APIs to modern compute, the RTX 5070 Mobile is the clear victor, often by margins that exceed 40%. For context, the RTX 5070 Mobile’s average benchmark score of 29928 places it just 0.1% behind the NVIDIA GeForce RTX 3070 Ti, while the RX 6800M’s average of 28874 puts it in a lower tier, closer to the AMD Radeon RX 470.

Architecture Differences

The performance gulf is rooted in fundamentally different architectures and process technologies. The RTX 5070 Mobile is built on NVIDIA’s Blackwell 2.0 architecture, utilizing the GB206 chip manufactured on TSMC’s 5 nm process. The RX 6800M, in contrast, uses the older RDNA 2.0 architecture with the Navi 22 chip on a 7 nm process. This process advantage is significant; the 5 nm node allows for a transistor density of 121.0M / mm², compared to just 51.3M / mm² for the 7 nm chip. This density advantage helps explain how the NVIDIA GPU fits 21,900 million transistors onto a much smaller die of 181 mm², while the AMD chip has 17,200 million transistors on a larger 335 mm² die.

Core configurations also differ substantially. The RTX 5070 Mobile packs 4608 shading units, 144 texture mapping units (TMUs), and 48 ROPs. The RX 6800M has fewer shading units at 2560 but compensates with more TMUs (160) and ROPs (64). The RTX 5070 Mobile also features 36 RT cores and 144 tensor cores, while the RX 6800M has 40 RT cores and no dedicated tensor cores.

Memory subsystems are another point of divergence. The RTX 5070 Mobile uses 8 GB of GDDR7 memory on a 128-bit bus, while the RX 6800M uses 12 GB of GDDR6 on a wider 192-bit bus. Interestingly, both achieve the same memory bandwidth of 384.0 GB/s. However, the newer GDDR7 standard operates at a higher effective speed, with the NVIDIA part running at 1500 MHz (24 Gbps effective) versus 2000 MHz (16 Gbps effective) for the AMD card.

Clock speeds tell a different story. The RX 6800M runs at a much higher base clock of 2116 MHz and a boost clock of 2390 MHz, while the RTX 5070 Mobile is far more conservative at 907 MHz base and 1425 MHz boost. Despite the lower clocks, the RTX 5070 Mobile achieves higher raw throughput in FP32 (13.13 TFLOPS vs 12.24 TFLOPS) and slightly higher texture and pixel rates. This reflects the architectural efficiency of Blackwell 2.0. The power envelope is also drastically different: the RTX 5070 Mobile has a TDP of just 50 W, while the RX 6800M is rated at 145 W.

Where Each One Wins

Based strictly on the benchmark data, there is no category where the AMD Radeon RX 6800M wins. The NVIDIA GeForce RTX 5070 Mobile wins every single head-to-head comparison, from DirectX 9 to DirectX 12, from OpenCL to Vulkan, and in both 2D and 3D rendering tests.

The RTX 5070 Mobile’s strengths are most pronounced in compute-heavy and modern API workloads. Its 64.5% lead in GPU compute and 39.5% lead in OpenCL make it the superior choice for tasks that leverage general-purpose GPU computing, such as rendering, scientific simulation, or video encoding (though specific encoder details are not in the data). The 23.4% win in Vulkan also suggests strong performance in modern game engines that use this low-level API. The 53.5% lead in Passmark G3D is the key metric for gamers, indicating a substantial advantage in raw 3D rendering capability.

The RX 6800M’s only potential advantage lies in its specifications, not its benchmark results. It has 12 GB of VRAM compared to 8 GB, which could be relevant for very large textures or datasets, but this does not translate into a performance win in any of the tests provided. It also has a higher pixel rate (153.0 GPixel/s vs 68.40 GPixel/s) and texture rate (382.4 GTexel/s vs 205.2 GTexel/s) on paper, but the NVIDIA part still wins in actual benchmark performance. The data suggests that the architectural efficiency of the RTX 5070 Mobile overcomes the RX 6800M’s raw specification advantages.

The Verdict

The verdict is straightforward: the NVIDIA GeForce RTX 5070 Mobile is the superior GPU in this comparison. The benchmark data is one-sided, with NVIDIA winning all 9 head-to-head tests by margins ranging from 23.4% to 66.5%. There is no workload in the provided data where the AMD Radeon RX 6800M comes out ahead.

Who should pick the RTX 5070 Mobile? Anyone seeking the highest performance in a mobile GPU. Its average benchmark score of 29928 places it in the 75th percentile of all GPUs, and it sits right alongside the RTX 3070 Ti in performance. It is also remarkably efficient, with a TDP of just 50 W, making it an excellent choice for thinner, lighter laptops that do not want to compromise on performance. Its newer architecture, support for PCIe 5.0, and GDDR7 memory position it as a more future-proof option.

Who should consider the RX 6800M? The data does not support its selection for performance reasons. Its 74th percentile score and lower average benchmark of 28874 put it in a lower performance class. The only scenarios where it might be considered are those where its 12 GB VRAM capacity is an absolute requirement, or where its end-of-life status means it might be available at a lower system price. However, given its 145 W TDP, it is likely to be found in bulkier laptops, and it is outperformed in every benchmark test. For a builder prioritizing performance, efficiency, and modern features, the RTX 5070 Mobile is the clear choice.

FAQ

Q: Which GPU is faster in overall 3D rendering performance?

A: The NVIDIA GeForce RTX 5070 Mobile is significantly faster, scoring 20355 in Passmark G3D compared to the AMD Radeon RX 6800M’s 13261, a 53.5% difference.

Q: How do the two compare in compute workloads?

A: The RTX 5070 Mobile dominates compute tasks. It leads by 39.5% in Geekbench OpenCL (122238 vs 87621) and by 64.5% in Passmark GPU Compute (8279 vs 5032).

Q: Does the AMD Radeon RX 6800M win in any benchmark?

A: No. In the head-to-head benchmark suite, the RTX 5070 Mobile wins all 9 tests, including every DirectX version, Vulkan, OpenCL, 2D, and 3D test.

Q: What are the key memory differences between the two?

A: The RTX 5070 Mobile uses 8 GB of GDDR7 memory on a 128-bit bus, while the RX 6800M uses 12 GB of GDDR6 on a 192-bit bus. Both have the same 384.0 GB/s bandwidth.

Q: Which GPU has a higher power consumption?

A: The AMD Radeon RX 6800M has a substantially higher TDP of 145 W, compared to just 50 W for the NVIDIA GeForce RTX 5070 Mobile.

Q: How does the RTX 5070 Mobile compare to other GPUs in its performance class?

A: Its average benchmark score of 29928 puts it just 0.1% behind the NVIDIA GeForce RTX 3070 Ti and 0.5% ahead of the RTX 2080 Ti, placing it in the 75th percentile of all GPUs.

Specification Differences

| Specification | NVIDIA GeForce RTX 5070 Mobile | AMD Radeon RX 6800M |

|:--- |:--- |:--- |

| Architecture | Blackwell 2.0 | RDNA 2.0 |

| Chip | GB206 | Navi 22 |

| Process Node | 5 nm | 7 nm |

| Transistors | 21,900 million | 17,200 million |

| Die Size | 181 mm² | 335 mm² |

| Transistor Density | 121.0M / mm² | 51.3M / mm² |

| Base Clock | 907 MHz | 2116 MHz |

| Boost Clock | 1425 MHz | 2390 MHz |

| Memory Size | 8 GB | 12 GB |

| Memory Type | GDDR7 | GDDR6 |

| Memory Bus Width | 128 bit | 192 bit |

| Memory Clock | 1500 MHz (24 Gbps effective) | 2000 MHz (16 Gbps effective) |

| Shading Units | 4608 | 2560 |

| TMUs | 144 | 160 |

| ROPs | 48 | 64 |

| RT Cores | 36 | 40 |

| Tensor Cores | 144 | None |

| Pixel Rate | 68.40 GPixel/s | 153.0 GPixel/s |

| Texture Rate | 205.2 GTexel/s | 382.4 GTexel/s |

| FP32 Performance | 13.13 TFLOPS | 12.24 TFLOPS |

| FP16 Performance | 13.13 TFLOPS (1:1) | 24.47 TFLOPS (2:1) |

| TDP | 50 W | 145 W |

| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |

| Release Date | 2025-04-14 | 2021-05-30 |

| Production Status | Active | End-of-life |

| Predecessor | GeForce 40 Mobile | Polaris Mobile |