GPU Comparison

The AMD Radeon RX 6950 XT and Intel Arc A580 occupy very different tiers of the graphics card market, and the benchmark data reflects that chasm clearly. The RX 6950 XT is an end-of-life flagship from AMD's RDNA 2.0 generation, while the Arc A580 is an active, mainstream Alchemist-series part from Intel. Despite the Arc A580 holding a slightly higher transistor density and a more modern 6 nm process node, the raw performance numbers show a decisive victory for the older, larger AMD card across every single benchmark in the head-to-head comparison.

Head-to-Head Benchmarks

The data from the three common benchmark tests is unambiguous: the AMD Radeon RX 6950 XT wins all three matchups, and it does so by significant margins. In the 3DMark Steel Nomad DX12 test, the RX 6950 XT scores 4235, while the Intel Arc A580 manages 2229. This translates to a 90% advantage for the AMD card, meaning it delivers nearly double the performance in this particular DirectX 12 workload. This is the closest margin between the two cards in the head-to-head tests, which highlights just how far ahead the RX 6950 XT sits in raw rasterization-heavy scenarios.

The gap widens considerably in compute-oriented tests. In Geekbench OpenCL, the RX 6950 XT posts 205998 points against the Arc A580's 91657 points, a 124.7% delta. This means the AMD card is more than twice as fast in this OpenCL compute workload, a testament to its massive 26,800 million transistor count and 5120 shading units. The RX 6950 XT's FP32 performance of 23.65 TFLOPS dwarfs the Arc A580's 12.29 TFLOPS, and this benchmark result reflects that theoretical advantage in a practical test.

The most lopsided result comes from Geekbench Vulkan. Here, the RX 6950 XT scores 165212, while the Arc A580 scores 79381. The deltaPct is 108.1%, again showing the AMD card at over double the performance of the Intel challenger. Across all three tests, the RX 6950 XT maintains an average benchmark score of 58392, compared to the Arc A580's 57756. While these averages are close, the head-to-head scores show the RX 6950 XT winning by double-digit percentages in every single test, with winsA set at 3 and winsB at 0. The Arc A580's overall percentile rank of 87 versus the RX 6950 XT's 88 shows they sit near each other in the global database, but the direct comparisons tell a story of the AMD card being the clear performance king in this pairing.

Architecture Differences

The architectural gulf between these two cards is vast and explains the performance disparity. The AMD Radeon RX 6950 XT is built on the Navi 21 chip using the RDNA 2.0 architecture, fabricated on TSMC's 7 nm process node. It is a massive die, measuring 520 mm² and housing 26,800 million transistors, resulting in a transistor density of 51.5 million per square millimeter. In contrast, the Intel Arc A580 uses the DG2-512 chip based on the Xe-HPG architecture, which is built on a more advanced 6 nm process node from TSMC. It is smaller, with a 406 mm² die size, but packs 21,700 million transistors, giving it a higher density of 53.4 million per square millimeter. The data shows the Intel card is more efficient in terms of transistor packing, but the AMD card simply has far more silicon and resources to throw at workloads.

The core configurations are radically different. The RX 6950 XT features 5120 shading units, 320 texture mapping units, and 128 render output units. It also has 80 dedicated ray tracing cores. The Arc A580 has 3072 shading units, 192 TMUs, and 96 ROPs, with only 24 ray tracing cores. This means the AMD card has roughly 67% more shading units and 33% more TMUs, which directly contributes to its higher texture fill rate of 739.2 GTexel/s versus the Arc's 384.0 GTexel/s. The pixel rate also favors AMD at 295.7 GPixel/s compared to 192.0 GPixel/s for Intel. The FP32 compute throughput tells the same story: 23.65 TFLOPS for AMD versus 12.29 TFLOPS for Intel, a near 2:1 ratio.

Memory is another major differentiator. The RX 6950 XT comes with 16 GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The Arc A580 has half the capacity at 8 GB, also on a 256-bit bus, but with a lower bandwidth of 512.0 GB/s. The AMD card's memory runs at 18 Gbps effective, while the Intel card runs at 16 Gbps effective. The RX 6950 XT also has higher clock speeds, with a 1860 MHz base and 2310 MHz boost, compared to the Arc A580's 1700 MHz base and 2000 MHz boost. This combination of more cores, higher clocks, and faster memory makes the RX 6950 XT a substantially more powerful piece of hardware on paper, and the benchmark results confirm this.

FAQ

Q: How much faster is the AMD Radeon RX 6950 XT in 3DMark Steel Nomad DX12?

A: The RX 6950 XT scores 4235, which is 90% higher than the Intel Arc A580's score of 2229 in this test.

Q: What is the memory bandwidth difference between the two cards?

A: The RX 6950 XT has a bandwidth of 576.0 GB/s, while the Arc A580 has 512.0 GB/s. The AMD card also has 16 GB of memory compared to the Intel card's 8 GB.

Q: Which card has a higher transistor density?

A: The Intel Arc A580 has a higher transistor density at 53.4 million per square millimeter, compared to the AMD RX 6950 XT's 51.5 million per square millimeter.

Q: Are both cards using the same process node?

A: No. The RX 6950 XT uses a 7 nm process, while the Arc A580 uses a 6 nm process, both from TSMC.

Q: Which card is still in production?

A: The Intel Arc A580 has an active production status, while the AMD Radeon RX 6950 XT is marked as end-of-life.

Q: What is the power connector requirement for each card?

A: Both cards require 2x 8-pin power connectors, though the AMD card has a higher TDP of 335 W and a suggested PSU of 700 W, while the Intel card has a TDP of 175 W and a suggested PSU of 450 W.

The Verdict

The data dictates a simple verdict: for anyone prioritizing raw performance, the AMD Radeon RX 6950 XT is the only choice. It wins 100% of the head-to-head benchmarks, with margins ranging from 90% to 124.7%. It offers double the FP32 compute throughput, significantly more shading units, and double the memory capacity. The RX 6950 XT is not just faster; it is in a different performance class entirely. Its average benchmark score of 58392 is higher than the Arc A580's 57756, and it ranks in the 88th percentile of all GPUs, versus the 87th percentile for the Intel card.

However, the verdict is not without nuance. The Intel Arc A580 is a much more power-efficient card, with a TDP of 175 W versus 335 W, and it requires a smaller 450 W PSU. It is also an active product, meaning it is still on the market, whereas the RX 6950 XT is end-of-life. The Intel card uses a more advanced 6 nm process node and has a higher transistor density, indicating a more modern design. The Arc A580 also supports DisplayPort 2.0 outputs, while the RX 6950 XT is limited to DisplayPort 1.4a. For a builder looking at the data purely on performance, the RX 6950 XT is the clear winner. For a builder looking at a current, power-sipping option, the Arc A580 has its merits, but it will not compete with the AMD card in demanding workloads.

Specification Differences

The following table highlights the key specifications where the two cards differ, based solely on the provided data.

| Specification | AMD Radeon RX 6950 XT | Intel Arc A580 |

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

| Architecture | RDNA 2.0 | Xe-HPG |

| Process Node | 7 nm | 6 nm |

| Transistors | 26,800 million | 21,700 million |

| Die Size | 520 mm² | 406 mm² |

| Transistor Density | 51.5M / mm² | 53.4M / mm² |

| Base Clock | 1860 MHz | 1700 MHz |

| Boost Clock | 2310 MHz | 2000 MHz |

| Memory Size | 16 GB | 8 GB |

| Memory Bandwidth | 576.0 GB/s | 512.0 GB/s |

| Shading Units | 5120 | 3072 |

| TMUs | 320 | 192 |

| ROPs | 128 | 96 |

| RT Cores | 80 | 24 |

| Pixel Rate | 295.7 GPixel/s | 192.0 GPixel/s |

| Texture Rate | 739.2 GTexel/s | 384.0 GTexel/s |

| FP32 Performance | 23.65 TFLOPS | 12.29 TFLOPS |

| TDP | 335 W | 175 W |

| Slot Width | Triple-slot | Dual-slot |

| Suggested PSU | 700 W | 450 W |

| Display Outputs | 1x HDMI 2.1, 2x DP 1.4a | 1x HDMI 2.1, 3x DP 2.0 |

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

Where Each One Wins

The AMD Radeon RX 6950 XT wins in every performance category measured. Its victory in the 3DMark Steel Nomad DX12 test by 90% shows it is far superior in modern gaming rasterization workloads. Its massive lead in Geekbench OpenCL and Vulkan tests, with deltas of 124.7% and 108.1% respectively, makes it the clear choice for any compute-heavy application, rendering task, or high-resolution gaming setup where the 16 GB frame buffer will be an asset. The data shows the RX 6950 XT is the winner for users who want maximum frame rates and compute throughput without compromise, especially given its 88th percentile ranking among all GPUs.

The Intel Arc A580 finds its wins in efficiency and modernity rather than raw speed. The data shows it draws significantly less power, with a 175 W TDP compared to 335 W, and it can run on a 450 W power supply versus the 700 W suggested for the AMD card. This makes it a more practical choice for smaller form factor builds or systems with older, less robust power supplies. Its dual-slot design is also more compact than the AMD card's triple-slot cooler. Furthermore, as an active product with a successor in Battlemage, it represents a current platform. The Arc A580 also offers DisplayPort 2.0 outputs, which is a future-facing feature not present on the RX 6950 XT. For a builder prioritizing power efficiency, current production status, and modern display connectivity, the Arc A580 is the logical pick, but the benchmark data shows it will not match the RX 6950 XT's performance in any test.