AMD Radeon RX 6600 XT vs Intel Arc A750 Comparison

Head-to-Head Benchmarks

The head-to-head results reveal a clear split between modern API workloads and legacy DirectX scenarios. The Intel Arc A750 dominates in the newest DirectX 12 test, scoring 2612 in 3DMark Steel Nomad DX12, which is 30.9% ahead of the AMD Radeon RX 6600 XT's 1804. This is a substantial margin and suggests that Intel's architecture scales well with the latest rendering techniques. The Arc A750 also wins in Geekbench OpenCL (98554 vs 80503, an 18.3% lead) and Geekbench Vulkan (85631 vs 72417, a 15.4% lead). These compute and modern graphics API results indicate that the Intel card has a raw throughput advantage that becomes apparent in newer software.

However, the AMD Radeon RX 6600 XT strikes back decisively in legacy and 2D workloads. The most dramatic difference appears in Passmark DirectX 11, where AMD scores 163 versus Intel's 72, a 126.4% advantage. DirectX 10 shows a similar story: AMD leads 109 to 65, a 67.7% gap. Even in DirectX 9, AMD edges ahead 194 to 181, a 7.2% win. The Passmark G3D test, which aggregates overall 3D performance, favors AMD at 16461 versus 12534, a 31.3% lead. Compute workloads also favor AMD in Passmark GPU Compute, with 7520 versus 5368, a 40.1% advantage. The 2D test shows AMD ahead as well, 912 to 732, a 24.6% margin.

One intriguing result is Passmark DirectX 12, where Intel wins but only by 12.9% (70 vs 61). This is a much smaller gap than the 30.9% lead in 3DMark Steel Nomad, suggesting that different DirectX 12 implementations or driver optimizations can change the picture significantly. Overall, AMD wins 6 of the 10 head-to-head tests, while Intel wins 4. The database records AMD's average benchmark score as 24442, with Intel at 20582, but this aggregate figure is heavily influenced by the legacy tests where AMD excels. The real-world picture depends entirely on which API generation the workload targets.

Architecture Differences

The two GPUs come from fundamentally different design philosophies. AMD's Radeon RX 6600 XT uses the Navi 23 chip built on RDNA 2.0 architecture, manufactured on a 7 nm process at TSMC. The die size is 237 mm² with 11,060 million transistors, giving a transistor density of 46.7 million per mm². Intel's Arc A750 uses the DG2-512 chip with Xe-HPG architecture, built on a more advanced 6 nm process, also at TSMC. The Intel die is significantly larger at 406 mm² and packs 21,700 million transistors, resulting in a higher density of 53.4 million per mm².

The raw compute resources differ substantially. Intel's Arc A750 has 3584 shading units, 224 texture mapping units, and 112 render output units. AMD's RX 6600 XT has 2048 shading units, 128 TMUs, and 64 ROPs. Despite having fewer shading units, AMD achieves a boost clock of 2589 MHz (base 1968 MHz, game clock 2359 MHz), while Intel's boost is 2400 MHz with a base of 2050 MHz. The FP32 throughput tells the story: Intel reaches 17.20 TFLOPS versus AMD's 10.60 TFLOPS. FP16 also favors Intel at 34.41 TFLOPS versus 21.21 TFLOPS (both at 2:1 ratio).

Ray tracing hardware differs in count: AMD has 32 RT cores, while Intel has 28. However, the architecture of these cores is not directly comparable, and the benchmark results in modern titles suggest Intel's implementation is more efficient despite the lower count. Memory configuration is another major differentiator. Both cards have 8 GB of GDDR6 memory, but Intel uses a 256-bit bus width giving 512.0 GB/s bandwidth, while AMD uses a 128-bit bus providing 256.0 GB/s. This exactly doubles the memory bandwidth, which likely contributes to Intel's strong showing in modern, bandwidth-hungry workloads.

The bus interface also differs: Intel uses PCIe 4.0 x16, while AMD uses PCIe 4.0 x8. This could matter in bandwidth-sensitive scenarios, though for most gaming workloads the x8 connection is rarely a bottleneck. Both support the same API set: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Display outputs differ slightly: AMD offers 1x HDMI 2.1 and 3x DisplayPort 1.4a, while Intel offers 1x HDMI 2.1 and 3x DisplayPort 2.0, giving Intel a newer display standard.

Where Each One Wins

The data paints a clear picture for workload selection. The Intel Arc A750 is the choice for modern DirectX 12 gaming, especially titles that leverage the latest rendering features. The 30.9% lead in 3DMark Steel Nomad DX12 is not a marginal difference; it represents a fundamental advantage in how the Xe-HPG architecture handles current-generation graphics pipelines. The Geekbench results reinforce this: 18.3% ahead in OpenCL and 15.4% ahead in Vulkan. Users running compute tasks, Vulkan-based titles, or the latest DX12 games should expect the Arc A750 to deliver noticeably higher performance.

Conversely, the AMD Radeon RX 6600 XT dominates legacy DirectX workloads. The 126.4% advantage in DirectX 11 is massive, and the 67.7% lead in DirectX 10 is equally decisive. Even DirectX 9 shows AMD ahead by 7.2%. This suggests that AMD's RDNA 2.0 architecture has much stronger driver optimization or hardware paths for older API versions. The Passmark G3D aggregate score, which many users reference as a general performance indicator, favors AMD by 31.3%. The Passmark GPU Compute test also goes to AMD by 40.1%, which is interesting given that Geekbench OpenCL favors Intel. This discrepancy likely reflects different compute workload characteristics.

For 2D work, AMD wins by 24.6% in Passmark G2D. Users who do significant desktop composition, 2D rendering, or productivity work might notice this difference, though it is unlikely to be a deciding factor in most purchases. The overall win count of 6 for AMD versus 4 for Intel is somewhat misleading because the magnitude of Intel's wins in modern tests is large, while AMD's wins in legacy tests are even larger in percentage terms but may matter less for future software.

FAQ

Q: Which GPU is faster in the newest DirectX 12 games?

A: The Intel Arc A750 wins decisively, scoring 2612 in 3DMark Steel Nomad DX12 versus AMD's 1804, a 30.9% advantage.

Q: How do the two cards compare in compute performance?

A: It depends on the test. Intel leads Geekbench OpenCL by 18.3% (98554 vs 80503), but AMD leads Passmark GPU Compute by 40.1% (7520 vs 5368). The results suggest compute performance varies heavily by workload type.

Q: Which card is better for older DirectX 10 and 11 games?

A: The AMD Radeon RX 6600 XT is far superior in these legacy APIs. It leads by 67.7% in DirectX 10 and by 126.4% in DirectX 11, making it the clear choice for older game libraries.

Q: Does the Intel Arc A750 have more memory bandwidth?

A: Yes. The Arc A750 has a 256-bit bus providing 512.0 GB/s bandwidth, while the RX 6600 XT has a 128-bit bus providing 256.0 GB/s. This is exactly double the bandwidth.

Q: Which GPU has higher raw FP32 compute throughput?

A: The Intel Arc A750, with 17.20 TFLOPS versus AMD's 10.60 TFLOPS. This is a 62% higher theoretical peak.

Q: How do the cards compare in overall average benchmark score?

A: AMD has a higher average benchmark score of 24442 versus Intel's 20582. However, this aggregate is skewed by AMD's strong legacy API performance. The percentile rankings show AMD at 70th percentile versus Intel's 66th.

Specification Differences

| Specification | AMD Radeon RX 6600 XT | Intel Arc A750 |

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

| Architecture | RDNA 2.0 | Xe-HPG |

| Generation | Navi II (RX 6000) | Alchemist (Arc 7) |

| 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 | 1968 MHz | 2050 MHz |

| Boost Clock | 2589 MHz | 2400 MHz |

| Shading Units | 2048 | 3584 |

| TMUs | 128 | 224 |

| ROPs | 64 | 112 |

| RT Cores | 32 | 28 |

| Memory Bus Width | 128 bit | 256 bit |

| Memory Bandwidth | 256.0 GB/s | 512.0 GB/s |

| Pixel Rate | 165.7 GPixel/s | 268.8 GPixel/s |

| Texture Rate | 331.4 GTexel/s | 537.6 GTexel/s |

| FP32 | 10.60 TFLOPS | 17.20 TFLOPS |

| FP16 | 21.21 TFLOPS | 34.41 TFLOPS |

| TDP | 160 W | 225 W |

| Power Connectors | 1x 8-pin | 1x 6-pin + 1x 8-pin |

| Suggested PSU | 450 W | 550 W |

| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |

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

| Release Date | 2021-07-29 | 2022-10-11 |

| Launch MSRP | 379 USD | 289 USD |

The Verdict

The recorded data supports a clear division of use cases. For gamers who primarily play the latest DirectX 12 titles, the Intel Arc A750 is the stronger choice. Its 30.9% lead in 3DMark Steel Nomad DX12 and 15.4% lead in Vulkan demonstrate that modern workloads favor Intel's architecture. The doubled memory bandwidth (512.0 GB/s vs 256.0 GB/s) and higher FP32 throughput (17.20 vs 10.60 TFLOPS) provide a solid theoretical foundation for this real-world advantage. The Arc A750 also has a higher pixel rate (268.8 vs 165.7 GPixel/s) and texture rate (537.6 vs 331.4 GTexel/s), which should help in high-resolution rendering.

However, the AMD Radeon RX 6600 XT remains the safer choice for users with extensive legacy game libraries. The 126.4% advantage in DirectX 11 and 67.7% in DirectX 10 are not minor differences; they represent playable versus unplayable framerates in many older titles. The 31.3% lead in Passmark G3D and 40.1% in GPU compute also suggest that AMD's drivers are more mature across a broader range of applications. The RX 6600 XT also has a lower TDP of 160 W versus 225 W, requiring only a 450 W PSU versus 550 W, which may matter for system compatibility.

The database shows AMD's average benchmark score is higher (24442 vs 20582), but this is heavily influenced by legacy tests. Intel's percentile ranking is 66 versus AMD's 70, yet the head-to-head in modern APIs tells the opposite story. The launch MSRP was 379 USD for AMD and 289 USD for Intel, though both are now end-of-life products. For a user building a new system for current and future games, the Intel Arc A750's modern API strength and higher compute throughput make it the data-backed recommendation. For a user upgrading an older system with a library of DirectX 10/11 games, the AMD Radeon RX 6600 XT's massive legacy performance advantage is impossible to ignore. The choice ultimately hinges on which API generation matters more for the intended workload.