AMD Radeon RX 6650M XT vs Intel Arc A580 Comparison

Head-to-Head Benchmarks

The database records a single direct benchmark comparison between these two graphics processors, and the result is decisively in favor of Intel. In the Geekbench OpenCL test, the Intel Arc A580 scores 91,657 points, while the AMD Radeon RX 6650M XT scores 76,904 points. That is a 16.1% deficit for the AMD part, a substantial margin in raw compute throughput. The Intel Arc A580 claims the only head-to-head win recorded in the database, with a 1-0 record against the Radeon.

Context from the wider database helps clarify what these scores mean. The AMD Radeon RX 6650M XT sits at the 91st percentile among all GPUs, which places it in the upper tier of recorded hardware. Its average benchmark score of 76,904 puts it within 1% of the NVIDIA GeForce RTX 5090 D (77,712), 2.6% behind the AMD Radeon RX 6850M XT (78,940), and 3.1% behind the NVIDIA Tesla P100 PCIe 12 GB (79,396). The Intel Arc A580, by contrast, sits at the 87th percentile, with an average score of 57,756 across all its recorded benchmarks. That average is dragged down by its inclusion of a 3DMark Steel Nomad DX12 score of 2,229 and a Geekbench Vulkan score of 79,381, both of which are lower than its OpenCL result.

The OpenCL gap is the headline number. A 16.1% lead in that specific workload shows Intel's architecture delivering higher raw compute throughput in a compute-oriented API. But the broader picture is more nuanced: the AMD part's percentile ranking is higher, and its single recorded benchmark is consistent across the board. The Intel part has a wider spread of results across different test types, which suggests its performance is more workload-dependent.

Architecture Differences

The two GPUs come from fundamentally different design philosophies. AMD's Radeon RX 6650M XT uses the Navi 23 chip built on RDNA 2.0 architecture, fabricated on a 7 nm process at TSMC. Intel's Arc A580 uses the DG2-512 chip with Xe-HPG architecture, fabricated on a 6 nm process, also at TSMC. The node difference is small but real: 7 nm versus 6 nm, with Intel packing more transistors into a larger die.

Transistor counts differ sharply. The Intel chip contains 21,700 million transistors on a 406 mm² die, while AMD's Navi 23 contains 11,060 million transistors on a 237 mm² die. That gives Intel a transistor density of 53.4M per mm² versus AMD's 46.7M per mm². The Intel die is 71% larger physically and carries nearly double the transistor budget, which explains its higher power envelope.

The compute configurations diverge significantly. Intel fields 3,072 shading units, 192 texture mapping units, and 96 render output units. AMD counters with 2,048 shading units, 128 TMUs, and 64 ROPs. Intel has a 50% advantage in shading units and a 50% advantage in TMUs, but the ROP gap is also 50% in Intel's favor. Ray tracing hardware is the one area where AMD leads in count: 32 RT cores for AMD versus 24 for Intel.

Memory architecture shows a major split. Both cards have 8 GB of GDDR6, but Intel uses a 256-bit bus delivering 512.0 GB/s of bandwidth, exactly double AMD's 128-bit bus and 256.0 GB/s. Clock speeds tell the opposite story. AMD runs a 2068 MHz base clock and a 2416 MHz boost clock, with a game clock of 2162 MHz. Intel runs a 1700 MHz base and 2000 MHz boost. AMD's higher clocks partially compensate for its narrower memory interface, but the bandwidth gap remains decisive in memory-heavy workloads.

The boards themselves are built differently. AMD's Radeon RX 6650M XT is an integrated graphics processor with an IGP slot width, no power connectors, and portable-device-dependent display outputs. Intel's Arc A580 is a dual-slot add-in card requiring two 8-pin power connectors and a 450 W suggested power supply. The AMD part consumes 120 W against Intel's 175 W. Intel uses a PCIe 4.0 x16 interface, while AMD uses PCIe 4.0 x8.

FAQ

Q: Which GPU has higher raw compute performance in OpenCL?

A: The Intel Arc A580 scores 91,657 in Geekbench OpenCL, which is 16.1% higher than the AMD Radeon RX 6650M XT's 76,904.

Q: How do their memory bandwidths compare?

A: Intel's Arc A580 delivers 512.0 GB/s over a 256-bit bus, exactly double AMD's 256.0 GB/s over a 128-bit bus. Both use 8 GB of GDDR6 memory.

Q: Which GPU has more shading units?

A: Intel's Arc A580 has 3,072 shading units, which is 50% more than AMD's 2,048. Intel also leads in TMUs (192 vs 128) and ROPs (96 vs 64).

Q: What is the power consumption difference?

A: AMD's Radeon RX 6650M XT draws 120 W, while Intel's Arc A580 draws 175 W. The Intel card requires two 8-pin power connectors and a 450 W suggested power supply, while the AMD part is an integrated GPU with no power connectors.

Q: Which GPU has more ray tracing cores?

A: AMD's Radeon RX 6650M XT has 32 RT cores, versus 24 for Intel's Arc A580. This is the only compute resource where AMD holds a numeric lead.

Q: How do their overall percentile rankings compare?

A: AMD's Radeon RX 6650M XT sits at the 91st percentile among all GPUs, while Intel's Arc A580 sits at the 87th percentile.

Specification Differences

| Specification | AMD Radeon RX 6650M XT | Intel Arc A580 |

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

| Architecture | RDNA 2.0 | Xe-HPG |

| Process node | 7 nm | 6 nm |

| Transistors | 11,060 million | 21,700 million |

| Die size | 237 mm² | 406 mm² |

| Transistor density | 46.7M / mm² | 53.4M / mm² |

| Base clock | 2068 MHz | 1700 MHz |

| Boost clock | 2416 MHz | 2000 MHz |

| Game clock | 2162 MHz | N/A |

| Memory bus width | 128 bit | 256 bit |

| Memory bandwidth | 256.0 GB/s | 512.0 GB/s |

| Shading units | 2048 | 3072 |

| Texture mapping units | 128 | 192 |

| Render output units | 64 | 96 |

| Ray tracing cores | 32 | 24 |

| Pixel rate | 154.6 GPixel/s | 192.0 GPixel/s |

| Texture rate | 309.2 GTexel/s | 384.0 GTexel/s |

| FP32 performance | 9.896 TFLOPS | 12.29 TFLOPS |

| FP16 performance | 19.79 TFLOPS (2:1) | 24.58 TFLOPS (2:1) |

| TDP | 120 W | 175 W |

| Slot width | IGP | Dual-slot |

| Power connectors | None | 2x 8-pin |

| Suggested PSU | N/A | 450 W |

| Bus interface | PCIe 4.0 x8 | PCIe 4.0 x16 |

| Display outputs | Portable Device Dependent | 1x HDMI 2.1, 3x DisplayPort 2.0 |

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

| Release date | 2022-01-03 | 2023-10-09 |

| Predecessor | Polaris Mobile | Xe Graphics |

| Successor | N/A | Battlemage |

Where Each One Wins

The Intel Arc A580 wins on raw compute throughput in the recorded OpenCL benchmark, and its specification sheet shows systematic advantages in memory bandwidth, shading units, TMUs, ROPs, and FP32 throughput. The 512.0 GB/s bandwidth is a major asset for workloads that saturate memory, and the 12.29 TFLOPS FP32 figure outpaces AMD's 9.896 TFLOPS by roughly 24%. Intel also leads in pixel rate (192.0 GPixel/s versus 154.6 GPixel/s) and texture rate (384.0 GTexel/s versus 309.2 GTexel/s). For users running compute-heavy tasks or gaming at resolutions where bandwidth matters, the Arc A580 is the stronger choice on paper.

The AMD Radeon RX 6650M XT wins on efficiency and integration. It draws 120 W versus Intel's 175 W, a 31% power reduction that matters for mobile and compact systems. Its integrated form factor, with no power connectors and portable-device-dependent outputs, positions it for laptops and small-form-factor designs where the dual-slot Intel card with two 8-pin connectors simply cannot fit. AMD's higher clock speeds (2416 MHz boost versus 2000 MHz) partially offset its narrower memory bus, and its 32 RT cores exceed Intel's 24. The AMD part also holds the higher overall percentile ranking at 91st versus 87th, indicating stronger relative standing across the full database of recorded GPUs.

The production status tells a story of lifecycle positioning. AMD's part is end-of-life and was released on 2022-01-03, while Intel's part is active and released on 2023-10-09. The Intel Arc A580 has a successor in Battlemage; AMD's part has none. For current availability and future driver support, Intel holds the advantage. For power-constrained deployments, AMD's integrated design is the only realistic option.

The single recorded head-to-head benchmark favors Intel by 16.1%, but that result captures only one workload. The broader data suggests two different products for two different use cases: Intel for maximum throughput in a desktop card, AMD for maximum efficiency in a mobile or integrated setting. Buyers choosing between them should weigh the 31% power savings and integrated form factor of AMD against the 50% shading unit advantage and double memory bandwidth of Intel. The benchmark data records one clear winner in OpenCL, but the specification differences paint a more balanced picture of complementary strengths.