AMD Radeon RX 6600M vs Intel Arc B570 Comparison

Head-to-Head Benchmarks

The recorded data shows a clear split between the AMD Radeon RX 6600M and the Intel Arc B570, with the Intel card taking 6 of 10 head-to-head benchmark wins while the AMD card claims 4. The margin of victory matters more than the raw count, however. In the most demanding modern DirectX 12 test, 3DMark Steel Nomad, the Intel Arc B570 scores 2649 against the RX 6600M's 1495, a 43.6% advantage. That is the largest single gap in the entire comparison and a strong indicator of next-generation rendering efficiency.

The Intel card also wins decisively in compute-oriented workloads. In Geekbench OpenCL, it scores 83514 versus 67765, a lead of 18.9%. In Geekbench Vulkan, the gap widens to 23.9%, with scores of 96844 and 73740 respectively. PassMark GPU Compute follows the same pattern: Intel wins 7281 to 5646, a 22.5% margin. These three results suggest the Arc B570's higher shading unit count and newer architecture translate directly into raw throughput advantages.

The AMD card fights back in legacy DirectX titles. PassMark DirectX 10 shows the RX 6600M winning 87 to 65, a 33.8% lead, which is its largest victory. DirectX 11 also favors AMD, 136 to 118, a 15.3% margin. DirectX 9 goes AMD's way too, 184 to 164, a 12.2% advantage. These wins are interesting because they show the older RDNA 2.0 architecture handling older API workloads more efficiently than Intel's Xe2-HPG design.

The closest contest is PassMark G3D, where the Intel Arc B570 edges out the RX 6600M by just 1.9%, scoring 14195 against 13929. That near-tie suggests that in general 3D rendering without API-specific optimization, the two cards are essentially peers. PassMark DirectX 12, however, favors Intel by 27.8% (72 versus 52), reinforcing the pattern that newer APIs favor the Arc B570. PassMark G2D is the only 2D test, and AMD wins it 728 to 661, a 10.1% margin.

Architecture Differences

The two GPUs come from different design philosophies and manufacturing generations. The AMD Radeon RX 6600M is built on the Navi 23 chip using RDNA 2.0 architecture, produced on TSMC's 7 nm process. It packs 11,060 million transistors into a 237 mm² die, giving a transistor density of 46.7 million per square millimeter. The Intel Arc B570 uses the BMG-G21 chip with Xe2-HPG architecture, manufactured on TSMC's 5 nm node. It contains 19,600 million transistors on a 272 mm² die, achieving 72.1 million transistors per square millimeter. The density difference is substantial: Intel fits about 54% more transistors per area, which reflects the more advanced process node.

Core counts differ significantly. The RX 6600M has 1792 shading units, 112 texture mapping units, and 64 raster operation units. The Arc B570 raises those numbers to 2304 shading units, 144 TMUs, and 80 ROPs. That is 28.6% more shading units, 28.6% more TMUs, and 25% more ROPs. Ray tracing hardware also differs in configuration: AMD uses 28 RT cores while Intel uses 18, but the architectural implementation of ray tracing in Xe2-HPG is newer, and the benchmark data does not isolate RT performance.

Memory subsystems are markedly different. The RX 6600M has 8 GB of GDDR6 on a 128-bit bus, delivering 224.0 GB/s of bandwidth. The Arc B570 has 10 GB of GDDR6 on a 160-bit bus, delivering 380.0 GB/s. That is a 69.6% bandwidth advantage for Intel, which helps explain its strong showing in compute-heavy tests. The AMD card runs at a 1750 MHz memory clock (14 Gbps effective, per the pack notation) while Intel runs at 2375 MHz (19 Gbps effective).

Clock speeds and power targets diverge as well. The RX 6600M has a base clock of 2068 MHz, a boost of 2416 MHz, and a game clock of 2177 MHz, with a TDP of 100 W. The Arc B570 has a fixed base and boost of 2,500 MHz with no separate game clock listed, and a TDP of 150 W. The AMD card achieves 154.6 GPixel/s pixel rate and 270.6 GTexel/s texture rate, while Intel reaches 200.0 GPixel/s and 360.0 GTexel/s. Floating point performance follows: the RX 6600M delivers 8.659 TFLOPS FP32 and 17.32 TFLOPS FP16 (2:1), while the Arc B570 delivers 11.52 TFLOPS FP32 and 23.04 TFLOPS FP16 (2:1).

Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RX 6600M is an integrated graphics package (IGP) with no power connectors and portable-device-dependent display outputs. The Arc B570 is a dual-slot add-in card, 272 mm long and 115 mm high, requiring a single 8-pin power connector and a 450 W suggested PSU, with 1x HDMI 2.1a and 3x DisplayPort 2.1 outputs. The AMD card uses PCIe 4.0 x8, and so does the Intel card. The RX 6600M is end-of-life, released in 2021, while the Arc B570 is active, released in 2025, and its predecessor is Alchemist. The RX 6600M's predecessor is Polaris Mobile.

Where Each One Wins

The Intel Arc B570 is the clear choice for modern DirectX 12 workloads. Its 43.6% lead in 3DMark Steel Nomad and 27.8% lead in PassMark DirectX 12 demonstrate that the Xe2-HPG architecture scales far better with contemporary rendering paths. Users running recent AAA titles that lean on DirectX 12 Ultimate features should expect the Arc B570 to pull ahead substantially. The same applies to Vulkan-based games and compute applications: the 23.9% Vulkan lead and 22.5% GPU compute lead make it the stronger card for general compute, machine learning inference, and productivity tasks that leverage OpenCL or Vulkan compute.

The AMD Radeon RX 6600M wins in legacy API scenarios. Its 33.8% DirectX 10 lead, 15.3% DirectX 11 lead, and 12.2% DirectX 9 lead suggest that older titles, particularly esports games and back-catalog classics running on older engines, will perform noticeably better on the AMD card. The 10.1% win in PassMark G2D also indicates better 2D desktop composition performance, which matters for browsing, office work, and lightweight productivity.

The near-tie in PassMark G3D (1.9% in favor of Intel) means that for general 3D rendering without API-specific optimization, either card will deliver comparable frame rates. The deciding factor in that scenario will come down to which API the specific application uses. For DirectX 9 through 11 titles, pick the RX 6600M. For DirectX 12, Vulkan, or compute-heavy software, the Arc B570 is the stronger option.

FAQ

Q: Which GPU is faster in DirectX 12?

A: The Intel Arc B570 wins both DirectX 12 tests. It scores 2649 in 3DMark Steel Nomad versus 1495 for the RX 6600M, a 43.6% lead, and 72 versus 52 in PassMark DirectX 12, a 27.8% lead.

Q: Which GPU has better compute performance?

A: The Intel Arc B570 leads in every compute-oriented benchmark. It wins Geekbench OpenCL by 18.9% (83514 versus 67765), Geekbench Vulkan by 23.9% (96844 versus 73740), and PassMark GPU Compute by 22.5% (7281 versus 5646).

Q: Is the AMD card better in any benchmark?

A: Yes. The RX 6600M wins PassMark DirectX 10 by 33.8% (87 versus 65), DirectX 11 by 15.3% (136 versus 118), DirectX 9 by 12.2% (184 versus 164), and PassMark G2D by 10.1% (728 versus 661).

Q: How do the two cards compare in general 3D performance?

A: They are nearly identical. The Intel Arc B570 scores 14195 in PassMark G3D against 13929 for the RX 6600M, a margin of only 1.9%.

Q: Which card has more memory bandwidth?

A: The Intel Arc B570 has 380.0 GB/s of bandwidth from 10 GB of GDDR6 on a 160-bit bus, while the RX 6600M has 224.0 GB/s from 8 GB on a 128-bit bus. That is a 69.6% advantage for Intel.

Q: What are the power requirements for each card?

A: The RX 6600M has a 100 W TDP with no power connectors, as it is an integrated graphics package. The Arc B570 has a 150 W TDP, requires a single 8-pin power connector, and has a suggested PSU rating of 450 W.

Specification Differences

| Specification | AMD Radeon RX 6600M | Intel Arc B570 |

|---|---|---|

| Architecture | RDNA 2.0 | Xe2-HPG |

| Process node | 7 nm | 5 nm |

| Transistors | 11,060 million | 19,600 million |

| Die size | 237 mm² | 272 mm² |

| Transistor density | 46.7M / mm² | 72.1M / mm² |

| Base clock | 2068 MHz | 2500 MHz |

| Boost clock | 2416 MHz | 2500 MHz |

| Game clock | 2177 MHz | None |

| Memory clock | 1750 MHz (14 Gbps effective) | 2375 MHz (19 Gbps effective) |

| Memory size | 8 GB | 10 GB |

| Memory bus | 128 bit | 160 bit |

| Memory bandwidth | 224.0 GB/s | 380.0 GB/s |

| Shading units | 1792 | 2304 |

| TMUs | 112 | 144 |

| ROPs | 64 | 80 |

| RT cores | 28 | 18 |

| Pixel rate | 154.6 GPixel/s | 200.0 GPixel/s |

| Texture rate | 270.6 GTexel/s | 360.0 GTexel/s |

| FP32 | 8.659 TFLOPS | 11.52 TFLOPS |

| FP16 | 17.32 TFLOPS (2:1) | 23.04 TFLOPS (2:1) |

| TDP | 100 W | 150 W |

| Slot width | IGP | Dual-slot |

| Power connectors | None | 1x 8-pin |

| Suggested PSU | None | 450 W |

| Display outputs | Portable Device Dependent | 1x HDMI 2.1a, 3x DisplayPort 2.1 |

| Dimensions | None | 272 mm x 115 mm |

| Production status | End-of-life | Active |

| Release date | 2021-05-30 | 2025-01-15 |

| Predecessor | Polaris Mobile | Alchemist |

| Launch MSRP | None | 219 USD |

The Verdict

The benchmark data points to a straightforward recommendation for most users: the Intel Arc B570 is the stronger GPU for modern workloads, and its advantages are concentrated exactly where new games and applications are heading. A 43.6% lead in 3DMark Steel Nomad, a 23.9% lead in Vulkan, and a 22.5% lead in compute are not marginal differences; they represent a generational step in rendering efficiency and raw throughput. The 10 GB memory configuration with 380.0 GB/s of bandwidth also gives it headroom for texture-heavy scenes and compute buffers that the 8 GB RX 6600M cannot match.

The AMD Radeon RX 6600M, however, is not without its merits. Its wins in DirectX 9, 10, and 11 are substantial, ranging from 12.2% to 33.8%. For anyone running a library of older games, or software that has not been updated to modern APIs, the RX 6600M will deliver better performance. Its lower 100 W TDP and integrated form factor also make it the only option in this comparison for systems where a discrete dual-slot card cannot fit.

The average benchmark score tells a slightly different story. The RX 6600M has an average score of 23273, which places it at the 68th percentile of all GPUs, while the Arc B570 averages 20556, at the 65th percentile. The RX 6600M's nearest rivals are the AMD Radeon R9 M290X (23276, 0% delta), AMD Radeon Pro Vega 16 (23250, 0.1% delta), and NVIDIA P106-100 (23249, 0.1% delta). The Arc B570's nearest rivals are the NVIDIA GeForce RTX 3070 Mobile (20534, 0.1% delta), Intel Arc A750 (20582, -0.1% delta), and NVIDIA Quadro M4000M (20480, 0.4% delta). The RX 6600M's higher average comes largely from its strong legacy API scores, which pull the mean up, while the Arc B570's average is weighed down by its comparatively weaker DirectX 9 and 10 results.

The practical verdict: if your primary use is current-generation gaming, Vulkan-based titles, or compute-heavy applications, choose the Intel Arc B570. Its 3DMark Steel Nomad and compute leads are too large to ignore. If your workload is dominated by DirectX 9 through 11 applications, or if you need an integrated solution with a 100 W power envelope, the AMD Radeon RX 6600M is the better fit. The data does not support a single universal winner, but it clearly defines the conditions under which each card should be selected.