AMD Radeon RX 6700M vs NVIDIA GeForce RTX 3070 Ti Mobile Comparison

The AMD Radeon RX 6700M and NVIDIA GeForce RTX 3070 Ti Mobile represent two distinct approaches to high-performance mobile graphics, with the data revealing a decisive performance gap. Based on the benchmark results, the NVIDIA GeForce RTX 3070 Ti Mobile wins all ten head-to-head comparisons, yet the AMD Radeon RX 6700M posts a higher average benchmark score (25633) than its rival (23518). This paradox—where the overall average favors AMD but every individual test favors NVIDIA—stems from the specific weighting of the benchmarks included in the average, making the head-to-head results the more reliable indicator of direct performance.

Head-to-Head Benchmarks

The most striking finding is the consistency of NVIDIA’s victory across every single test. The largest margin comes in the Passmark G2D test, where the RTX 3070 Ti Mobile scores 783 against the RX 6700M’s 555, a delta of -29.1% from the AMD card’s perspective. This suggests a significant advantage in 2D desktop and compositing workloads, likely tied to the NVIDIA card’s higher memory bandwidth and different driver overhead characteristics. Similarly, in Passmark GPU Compute, the NVIDIA card delivers 7504 points versus 5191, a -30.8% delta, indicating a substantial lead in general-purpose compute tasks.

In modern 3D rendering, the gap narrows but remains clear. In the 3DMark Steel Nomad DX12 test, the RTX 3070 Ti Mobile scores 2572, while the RX 6700M manages 1845—a -28.3% delta. This is a significant margin in a DirectX 12 native workload, suggesting that NVIDIA’s Ampere architecture handles modern API features more efficiently in this specific scenario. The Geekbench OpenCL test shows a similar pattern, with NVIDIA scoring 106022 versus AMD’s 77666 (-26.7%), while the Vulkan test shows the closest relative competition: NVIDIA scores 100027 against AMD’s 90816, a -9.2% delta.

The legacy DirectX tests also favor NVIDIA, with deltas ranging from -11% in DirectX 12 (73 vs 65) to -25.8% in DirectX 10 (124 vs 92) and -20.9% in DirectX 9 (196 vs 155). The Passmark G3D score, which aggregates many 3D scenarios, shows NVIDIA at 17727 versus AMD’s 13536, a -23.6% delta. The data is unambiguous: the RTX 3070 Ti Mobile is faster in every measurable workload, with the smallest advantage in Vulkan and the largest in compute and 2D tasks.

Where Each One Wins

Given that the RTX 3070 Ti Mobile wins all ten benchmarks, the division of wins is absolute—NVIDIA takes 100% of the tests. However, the degree of victory varies, which creates distinct use-case profiles. For compute-heavy workloads, such as GPU rendering, scientific simulations, or machine learning inference, the RTX 3070 Ti Mobile’s lead is most pronounced, with a -30.8% delta in Passmark GPU Compute. This aligns with its higher FP32 throughput of 16.60 TFLOPS versus AMD’s 11.06 TFLOPS, though the architecture differences also play a role.

For gaming, the RTX 3070 Ti Mobile is also the clear choice, but the margin depends on the API. In Vulkan, the -9.2% delta is the smallest, suggesting that AMD’s RDNA 2.0 implementation is relatively competitive in this cross-platform API. In DirectX 12, the -28.3% delta in Steel Nomad indicates a larger gap, which could translate to noticeable frame rate differences in modern games. For 2D productivity workloads, the RTX 3070 Ti Mobile’s -29.1% lead in Passmark G2D is substantial, making it better suited for desktop environments, browser rendering, and video playback acceleration. There is no benchmark category where the RX 6700M emerges as the winner, meaning the AMD card is not the recommended choice for any specific workload based on this data.

Architecture Differences

The two GPUs are built on fundamentally different architectures and manufacturing processes. The AMD Radeon RX 6700M uses the RDNA 2.0 architecture on a 7 nm process at TSMC, while the NVIDIA GeForce RTX 3070 Ti Mobile uses the Ampere architecture on an 8 nm process at Samsung. This process difference is notable: the AMD chip is denser, with a transistor density of 51.3M / mm² compared to NVIDIA’s 44.4M / mm², despite having fewer total transistors (17,200 million vs 17,400 million). The AMD die is also smaller at 335 mm² versus NVIDIA’s 392 mm².

The core configurations differ dramatically. The RX 6700M has 2304 shading units, 144 TMUs, and 64 ROPs, while the RTX 3070 Ti Mobile has 5888 shading units, 184 TMUs, and 96 ROPs. NVIDIA also includes 184 tensor cores and 46 RT cores, whereas AMD fields 36 RT cores and no tensor cores. The shading unit count is particularly telling: NVIDIA has more than double the shading units, yet its FP32 performance is only 50% higher (16.60 vs 11.06 TFLOPS), indicating that AMD’s RDNA 2.0 achieves higher per-unit efficiency. The FP16 handling also differs, with AMD offering 22.12 TFLOPS at a 2:1 ratio, while NVIDIA matches its FP32 at 16.60 TFLOPS with a 1:1 ratio.

Clock speeds present another divergence. The AMD card has a much higher base clock at 1489 MHz and boost clock at 2400 MHz, with a game clock of 2300 MHz. NVIDIA’s base is 915 MHz and boost is 1410 MHz, reflecting a different power and frequency strategy. Despite the lower clocks, NVIDIA achieves higher performance through its wider architecture. The RX 6700M’s higher pixel rate (153.6 GPixel/s vs 135.4 GPixel/s) and texture rate (345.6 GTexel/s vs 259.4 GTexel/s) are interesting, yet the NVIDIA card still wins in all tests, suggesting that raw fill rates do not translate directly to benchmark wins.

Specification Differences

The most user-visible difference is memory configuration. The RX 6700M offers 10 GB of GDDR6 on a 160-bit bus with 320.0 GB/s bandwidth, while the RTX 3070 Ti Mobile has 8 GB of GDDR6 on a 256-bit bus with 448.0 GB/s bandwidth. This is a classic trade-off: AMD provides more capacity for larger textures, but NVIDIA offers substantially higher bandwidth, which likely contributes to its benchmark wins, especially in compute and higher resolutions. The memory clock also differs, with AMD at 2000 MHz (16 Gbps effective) and NVIDIA at 1750 MHz (14 Gbps effective), though NVIDIA’s wider bus compensates.

Power consumption is a critical differentiator. The RX 6700M has a TDP of 135 W, while the RTX 3070 Ti Mobile is rated at 115 W. This is counterintuitive given NVIDIA’s higher performance—the data shows NVIDIA achieving better results with 20 W less power draw. The slot width is listed as "IGP" for AMD, while NVIDIA’s is not specified, and both use the same PCIe 4.0 x16 bus interface. Both support identical APIs: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Display outputs are portable-device dependent for both. The release dates differ, with AMD launching on 2021-05-30 and NVIDIA on 2022-01-03, and both are marked as end-of-life.

FAQ

Q: Which GPU wins the most benchmarks?

A: The NVIDIA GeForce RTX 3070 Ti Mobile wins all ten head-to-head benchmarks, with zero wins for the AMD Radeon RX 6700M.

Q: What is the largest performance gap between the two?

A: The largest delta is -30.8% in the Passmark GPU Compute test, where NVIDIA scores 7504 versus AMD’s 5191.

Q: Is there any test where the AMD card is competitive?

A: The closest result is the Geekbench Vulkan test, where the RTX 3070 Ti Mobile leads by only -9.2%, scoring 100027 versus 90816.

Q: How do their memory configurations differ?

A: The AMD card has 10 GB on a 160-bit bus with 320.0 GB/s bandwidth, while the NVIDIA card has 8 GB on a 256-bit bus with 448.0 GB/s bandwidth.

Q: Which GPU has a higher power draw?

A: The AMD Radeon RX 6700M has a higher TDP at 135 W, compared to the NVIDIA GeForce RTX 3070 Ti Mobile at 115 W.

Q: What are the average benchmark scores, and what do they imply?

A: The AMD card’s average is 25633, which is higher than NVIDIA’s 23518, despite NVIDIA winning all head-to-head tests. This implies the average includes different weighting or additional benchmarks not in the head-to-head list.

The Verdict

The data points to a single conclusion: the NVIDIA GeForce RTX 3070 Ti Mobile is the superior performer in every measured scenario. With wins across all ten head-to-head benchmarks, including a -30.8% lead in compute and a -28.3% lead in DX12, it is the clear choice for users prioritizing raw performance. Its higher memory bandwidth (448.0 GB/s vs 320.0 GB/s) and greater shading unit count (5888 vs 2304) appear to drive its consistent advantage, despite a lower TDP of 115 W versus AMD’s 135 W.

The AMD Radeon RX 6700M should be considered only by users who specifically need its larger 10 GB memory pool or who are constrained by platform compatibility, as its higher average benchmark score (25633) might appeal to those looking at aggregate metrics rather than direct comparisons. However, for gaming, compute, or general 3D workloads, the RTX 3070 Ti Mobile is the data-backed winner. The NVIDIA card also holds a slight edge in the percentile ranking, sitting at the 69th percentile versus AMD’s 71st, though this metric is counterintuitive given the head-to-head results. Ultimately, the RTX 3070 Ti Mobile delivers more performance with less power, making it the more compelling choice for any user seeking maximum capability in a mobile GPU.