AMD Radeon RX 6500 XT vs NVIDIA RTX A2000 Mobile Comparison

FAQ

Q: Which GPU has the higher overall benchmark average?

A: The NVIDIA RTX A2000 Mobile holds a higher average benchmark score of 13821 compared to the AMD Radeon RX 6500 XT's 11842. The A2000 Mobile also sits at the 55th percentile of all GPUs, while the RX 6500 XT sits at the 51st percentile.

Q: How do the two compare in DirectX 12 performance?

A: The RTX A2000 Mobile wins the PassMark DirectX 12 test with a score of 47 versus 38 for the RX 6500 XT, a 23.7% advantage. This suggests the NVIDIA card handles modern DX12 workloads more efficiently.

Q: Which GPU wins in Vulkan compute workloads?

A: The AMD Radeon RX 6500 XT leads in the Geekbench Vulkan test, scoring 54724 against the RTX A2000 Mobile's 53146, a 2.9% margin. This is one of the few API tests where AMD comes out ahead.

Q: What is the memory configuration difference between the two?

A: Both cards have 4 GB of GDDR6 memory, but the RTX A2000 Mobile uses a 128-bit bus yielding 192.0 GB/s bandwidth, while the RX 6500 XT uses a 64-bit bus yielding 143.9 GB/s. The NVIDIA card has roughly 33% more memory bandwidth.

Q: Which GPU has better 2D performance?

A: The AMD Radeon RX 6500 XT dominates in the PassMark G2D test with a score of 815 versus 491 for the RTX A2000 Mobile, a 39.8% lead. This is the largest single-test gap between the two cards.

Q: What is the transistor density difference between the two architectures?

A: The RX 6500 XT's Navi 24 chip has a transistor density of 50.5M per mm² on TSMC's 6 nm process, while the RTX A2000 Mobile's GA107 chip has 43.5M per mm² on Samsung's 8 nm process. The AMD chip is denser despite having fewer total transistors.

Architecture Differences

The NVIDIA RTX A2000 Mobile is built on the Ampere architecture with the GA107 chip, manufactured on Samsung's 8 nm process. It packs 8,700 million transistors into a 200 mm² die. The AMD Radeon RX 6500 XT uses the RDNA 2.0 architecture with the Navi 24 chip, fabricated by TSMC on a 6 nm node. Its die is much smaller at 107 mm², containing 5,400 million transistors.

These process differences translate directly into density: the AMD chip achieves 50.5M transistors per mm² versus 43.5M for NVIDIA. The smaller, denser AMD die allows higher clock speeds, with the RX 6500 XT boosting to 2815 MHz against 1687 MHz for the RTX A2000 Mobile.

Compute resources differ substantially. The RTX A2000 Mobile has 2560 shading units, 80 texture mapping units, and 48 ROPs, plus 20 RT cores and 80 tensor cores. The RX 6500 XT has 1024 shading units, 64 TMUs, and 32 ROPs, with 16 RT cores and no tensor cores. Despite fewer shading units, the AMD card reaches higher pixel and texture rates: 90.08 GPixel/s and 180.2 GTexel/s versus 80.98 GPixel/s and 135.0 GTexel/s for NVIDIA.

FP32 throughput tells a different story. The RTX A2000 Mobile delivers 8.637 TFLOPS, while the RX 6500 XT manages 5.765 TFLOPS. However, the AMD card offers 11.53 TFLOPS of FP16 via a 2:1 ratio, whereas NVIDIA's FP16 matches its FP32 at 8.637 TFLOPS.

Memory architecture favors NVIDIA. Both use 4 GB GDDR6, but the RTX A2000 Mobile has a 128-bit interface with 192.0 GB/s bandwidth. The RX 6500 XT is limited to a 64-bit bus, giving 143.9 GB/s. Memory clocks also differ: 12 Gbps effective for NVIDIA versus 18 Gbps effective for AMD, though the narrower bus caps overall throughput.

Power and physical design contrast sharply. The RTX A2000 Mobile is an IGP (integrated graphics processor) with no power connectors, rated at 95 W TDP. The RX 6500 XT is a dual-slot card requiring a 1x 6-pin connector, rated at 107 W TDP with a suggested 300 W PSU. The NVIDIA card's display outputs are portable-device dependent, while the AMD card offers 1x HDMI 2.1 and 1x DisplayPort 1.4a.

Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RTX A2000 Mobile released on 2021-04-11, while the RX 6500 XT launched later on 2022-01-18. Both are now end-of-life.

The Verdict

The data points to a split decision based on workload type. For modern gaming and DirectX 12 titles, the RTX A2000 Mobile has a clear edge, winning that benchmark by 23.7%. Its higher FP32 throughput (8.637 TFLOPS versus 5.765 TFLOPS) and wider memory bus make it the stronger choice for compute-heavy tasks and higher-resolution textures.

However, the RX 6500 XT excels in older DirectX APIs and 2D workloads. Its 24.4% lead in DirectX 11 and 39.8% lead in G2D suggest better compatibility with legacy titles and desktop rendering. The AMD card also wins in Vulkan, GPU compute, and DirectX 10 tests.

For users prioritizing modern gaming with ray tracing and DX12 features, the NVIDIA card is the pick. For those running older games, doing 2D work, or needing Vulkan performance, the AMD card holds advantages. The RTX A2000 Mobile's tensor cores are not present on the AMD side, making it the only option for AI-accelerated workloads.

The RX 6500 XT's launch MSRP is 199 USD. The RTX A2000 Mobile has no recorded launch MSRP in the database.

Specification Differences

| Specification | NVIDIA RTX A2000 Mobile | AMD Radeon RX 6500 XT |

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

| Chip | GA107 | Navi 24 |

| Architecture | Ampere | RDNA 2.0 |

| Process Node | 8 nm | 6 nm |

| Foundry | Samsung | TSMC |

| Transistors | 8,700 million | 5,400 million |

| Die Size | 200 mm² | 107 mm² |

| Transistor Density | 43.5M / mm² | 50.5M / mm² |

| Base Clock | 1215 MHz | 2310 MHz |

| Boost Clock | 1687 MHz | 2815 MHz |

| Game Clock | N/A | 2610 MHz |

| Memory Clock | 12 Gbps effective | 18 Gbps effective |

| Memory Bus Width | 128 bit | 64 bit |

| Memory Bandwidth | 192.0 GB/s | 143.9 GB/s |

| Shading Units | 2560 | 1024 |

| TMUs | 80 | 64 |

| ROPs | 48 | 32 |

| RT Cores | 20 | 16 |

| Tensor Cores | 80 | N/A |

| Pixel Rate | 80.98 GPixel/s | 90.08 GPixel/s |

| Texture Rate | 135.0 GTexel/s | 180.2 GTexel/s |

| FP32 | 8.637 TFLOPS | 5.765 TFLOPS |

| FP16 | 8.637 TFLOPS (1:1) | 11.53 TFLOPS (2:1) |

| TDP | 95 W | 107 W |

| Slot Width | IGP | Dual-slot |

| Power Connectors | None | 1x 6-pin |

| Suggested PSU | N/A | 300 W |

| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x4 |

| Display Outputs | Portable Device Dependent | 1x HDMI 2.1, 1x DisplayPort 1.4a |

| Release Date | 2021-04-11 | 2022-01-18 |

Head-to-Head Benchmarks

The Geekbench OpenCL test shows the RTX A2000 Mobile at 56518 versus 48289 for the RX 6500 XT, a 17% win for NVIDIA. This aligns with the FP32 advantage and wider memory interface.

In Geekbench Vulkan, the RX 6500 XT takes the lead at 54724 against 53146, a 2.9% margin. This is notable because it shows AMD's architecture handles Vulkan compute well despite lower raw FP32.

PassMark DirectX 10 results slightly favor AMD: 60 versus 57, a 5% difference. The DirectX 11 test is a much larger win for AMD: 90 versus 68, a 24.4% advantage. This suggests the RX 6500 XT has stronger legacy API performance.

DirectX 12 flips the script. The RTX A2000 Mobile scores 47 versus 38 for AMD, a 23.7% lead. This is the most important modern gaming metric and heavily favors NVIDIA.

DirectX 9 shows NVIDIA ahead at 115 versus 108, a 6.5% win. The G2D test is AMD's biggest victory: 815 versus 491, a 39.8% gap. This indicates much better 2D rendering performance.

PassMark G3D is nearly identical: 9611 for NVIDIA versus 9608 for AMD, effectively a tie. GPU compute slightly favors AMD at 4456 versus 4334, a 2.7% margin.

Overall, the RTX A2000 Mobile wins 4 of 9 head-to-head tests, while the RX 6500 XT wins 5. The average benchmark scores, however, favor NVIDIA at 13821 versus 11842, a significant gap. This discrepancy suggests NVIDIA's wins come in heavier workloads while AMD's wins are in lighter or legacy tests.

Where Each One Wins

The RTX A2000 Mobile is the clear winner in OpenCL compute, DirectX 12, and DirectX 9. Its 17% OpenCL lead and 23.7% DirectX 12 lead make it the stronger choice for modern compute workloads, ray tracing, and current-generation games. The presence of 80 tensor cores gives it capabilities AMD cannot match in AI and machine learning tasks. Its 128-bit memory bus with 192.0 GB/s bandwidth also makes it better suited for texture-heavy workloads at higher resolutions.

The RX 6500 XT wins in DirectX 11, DirectX 10, Vulkan, G2D, and GPU compute. Its 24.4% DirectX 11 advantage makes it the better pick for older game libraries and legacy applications. The 39.8% G2D lead shows superior 2D rendering, useful for desktop work and 2D applications. Vulkan performance at 2.9% ahead and GPU compute at 2.7% ahead round out its strengths.

For a gaming-focused build running modern titles, the RTX A2000 Mobile's DirectX 12 dominance is decisive. For a system handling older games, 2D work, or Vulkan-based software, the RX 6500 XT offers measurable advantages. The AMD card also has a higher boost clock at 2815 MHz and better texture rate at 180.2 GTexel/s, which helps in fill-rate-bound scenarios.

The RX 6500 XT's smaller die and denser process node mean lower manufacturing complexity, but the RTX A2000 Mobile's larger die gives it more compute resources overall. The NVIDIA card's 2560 shading units versus 1024 for AMD is a 2.5x difference in raw shader count, which explains its higher FP32 and OpenCL results.

In practical terms, the RTX A2000 Mobile suits professionals and gamers targeting DX12-heavy titles, while the RX 6500 XT fits users with older game collections or Vulkan-based applications. The data does not show a universal winner; it shows two cards optimized for different workload profiles.