AMD Radeon RX 6950 XT vs NVIDIA RTX 5880 Ada Generation Comparison

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 6950 XT records an average benchmark score of 58,392, while the NVIDIA RTX 5880 Ada Generation sits at 45,972. That places the AMD card in the 88th percentile of all GPUs, compared to the 85th percentile for the NVIDIA card.

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

A: The NVIDIA RTX 5880 Ada Generation leads decisively in FP32 throughput with 69.27 TFLOPS versus 23.65 TFLOPS for the AMD card, and it also leads in OpenCL compute with a score of 326,898 against 205,998. The NVIDIA card delivers roughly triple the FP32 compute of the AMD card.

Q: Which card wins in DirectX 11 and DirectX 12 gaming tests?

A: The AMD Radeon RX 6950 XT is the clear winner in both. It scores 300 versus 228 in Passmark DirectX 11 (31.6% ahead), and 114 versus 70 in Passmark DirectX 12 (62.9% ahead). The AMD card also leads in Passmark G3D with 28,070 versus 25,096.

Q: What are the memory configurations of these two cards?

A: The AMD card has 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth. The NVIDIA card has 48 GB of GDDR6 on a 384-bit bus with 864.0 GB/s bandwidth. The NVIDIA card offers three times the capacity and 50% more bandwidth.

Q: Which card has the higher pixel and texture fill rates?

A: The NVIDIA RTX 5880 Ada Generation has the higher rates: 433.0 GPixel/s versus 295.7 GPixel/s for pixel fill, and 1,082.4 GTexel/s versus 739.2 GTexel/s for texture fill. This aligns with its higher shading unit and TMU counts.

Q: What is the power draw and physical size difference?

A: The AMD card has a 335 W TDP with a triple-slot design and two 8-pin connectors, while the NVIDIA card has a 285 W TDP with a dual-slot design and a single 16-pin connector. The AMD card is also taller (120 mm vs. 112 mm), though both are 267 mm long.

Architecture Differences

The two GPUs come from fundamentally different architecture generations and design philosophies. The AMD Radeon RX 6950 XT uses the RDNA 2.0 architecture on a 7 nm TSMC process, built around the Navi 21 chip with 26,800 million transistors on a 520 mm² die. The NVIDIA RTX 5880 Ada Generation uses the Ada Lovelace architecture on a 5 nm TSMC process, built around the AD102 chip with 76,300 million transistors on a 609 mm² die. The transistor density tells a stark story: the NVIDIA chip packs 125.3 million transistors per mm², more than double the AMD chip's 51.5 million per mm².

The compute cores differ dramatically. The AMD card has 5,120 shading units, 320 TMUs, and 128 ROPs, along with 80 ray tracing cores and no tensor cores. The NVIDIA card has 14,080 shading units, 440 TMUs, and 176 ROPs, plus 110 ray tracing cores and 440 tensor cores. The presence of tensor cores on the NVIDIA side is a major architectural differentiator, enabling dedicated AI acceleration that the AMD card lacks entirely.

Memory architecture also diverges. The AMD card uses 16 GB of GDDR6 on a 256-bit bus, while the NVIDIA card uses 48 GB of GDDR6 on a 384-bit bus. Both run memory at 2250 MHz with 18 Gbps effective, but the wider bus gives the NVIDIA card 864.0 GB/s versus 576.0 GB/s. The NVIDIA card also has a significantly higher boost clock at 2460 MHz versus 2310 MHz, though its base clock is much lower at 975 MHz versus 1860 MHz. The AMD card has a game clock of 2100 MHz, a feature not present on the NVIDIA card.

Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The NVIDIA card uses a single 16-pin power connector and has a 285 W TDP, while the AMD card requires two 8-pin connectors and draws 335 W. The AMD card is end-of-life with a release date of May 2022, while the NVIDIA card is active with a January 2024 release.

Where Each One Wins

The AMD Radeon RX 6950 XT wins in legacy and modern DirectX gaming workloads. Its Passmark DirectX 11 score of 300 beats the NVIDIA card's 228, and its DirectX 12 score of 114 beats the NVIDIA card's 70 by a wide margin. The AMD card also dominates in 2D performance with a Passmark G2D score of 1,063 versus 777, and in overall 3D performance with a Passmark G3D score of 28,070 versus 25,096. For gamers focused on DirectX titles at conventional resolutions, the AMD card is the stronger choice.

The NVIDIA RTX 5880 Ada Generation wins in compute-heavy and professional workloads. Its Geekbench OpenCL score of 326,898 dwarfs the AMD card's 205,998, reflecting its superior FP32 throughput of 69.27 TFLOPS. The NVIDIA card also wins narrowly in Passmark DirectX 10 (167 vs. 164) and Passmark DirectX 9 (335 vs. 303), plus a marginal edge in GPU compute (14,208 vs. 14,199). For AI acceleration, scientific computing, or any workload that leverages CUDA or tensor cores, the NVIDIA card is the clear pick.

The head-to-head benchmark tally is exactly even at four wins each. However, the magnitude of the wins matters. The AMD card's biggest victory is in DirectX 12 with a 62.9% margin, while the NVIDIA card's biggest victory is in OpenCL with a 37% margin. This suggests the AMD card excels in gaming APIs, while the NVIDIA card excels in general-purpose compute.

Specification Differences

| Specification | AMD Radeon RX 6950 XT | NVIDIA RTX 5880 Ada Generation |

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

| Process node | 7 nm | 5 nm |

| Transistors | 26,800 million | 76,300 million |

| Die size | 520 mm² | 609 mm² |

| Transistor density | 51.5M / mm² | 125.3M / mm² |

| Base clock | 1860 MHz | 975 MHz |

| Boost clock | 2310 MHz | 2460 MHz |

| Game clock | 2100 MHz | None |

| Memory size | 16 GB | 48 GB |

| Memory bus width | 256 bit | 384 bit |

| Memory bandwidth | 576.0 GB/s | 864.0 GB/s |

| Shading units | 5,120 | 14,080 |

| TMUs | 320 | 440 |

| ROPs | 128 | 176 |

| Ray tracing cores | 80 | 110 |

| Tensor cores | None | 440 |

| Pixel rate | 295.7 GPixel/s | 433.0 GPixel/s |

| Texture rate | 739.2 GTexel/s | 1,082.4 GTexel/s |

| FP32 | 23.65 TFLOPS | 69.27 TFLOPS |

| FP16 | 47.31 TFLOPS (2:1) | 69.27 TFLOPS (1:1) |

| TDP | 335 W | 285 W |

| Slot width | Triple-slot | Dual-slot |

| Power connectors | 2x 8-pin | 1x 16-pin |

| Suggested PSU | 700 W | 600 W |

| Display outputs | 1x HDMI 2.1, 2x DisplayPort 1.4a | 4x DisplayPort 1.4a |

| Height | 120 mm (4.7 inches) | 112 mm (4.4 inches) |

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

| Release date | 2022-05-09 | 2024-01-04 |

The AMD card has a higher base clock and a game clock, but the NVIDIA card has a higher boost clock. The NVIDIA card has nearly three times the shading units, over a third more TMUs and ROPs, and 440 tensor cores versus none. The NVIDIA card also has a lower TDP despite its larger transistor count, thanks to the more advanced 5 nm process.

Head-to-Head Benchmarks

The single biggest performance gap in either direction is in Geekbench OpenCL. The NVIDIA RTX 5880 Ada Generation scores 326,898 against the AMD card's 205,998, a 37% advantage. This reflects the NVIDIA card's 69.27 TFLOPS FP32 throughput, nearly three times the AMD card's 23.65 TFLOPS. For compute-heavy applications, this is a decisive margin.

The AMD card answers in DirectX 12 with a 62.9% victory, scoring 114 versus 70. This is the largest percentage margin in the entire benchmark set. The AMD card also wins DirectX 11 by 31.6% (300 vs. 228) and 2D performance by 36.8% (1,063 vs. 777). In overall 3D performance, Passmark G3D shows the AMD card ahead by 11.9% (28,070 vs. 25,096).

The remaining benchmarks are close calls. Passmark DirectX 10 goes to NVIDIA by just 1.8% (167 vs. 164). Passmark DirectX 9 goes to NVIDIA by 9.6% (335 vs. 303). Passmark GPU compute is essentially a tie, with NVIDIA winning by 0.1% (14,208 vs. 14,199). These narrow margins indicate that in compute tasks, the two cards are nearly equivalent despite the large OpenCL gap.

The win distribution is perfectly balanced at four wins each, but the profile of wins is telling. The AMD card wins in gaming-oriented APIs (DirectX 11, DirectX 12) and general 3D rendering, while the NVIDIA card wins in compute (OpenCL), legacy DirectX 9, and DirectX 10. The NVIDIA card's compute advantage is substantial, while the AMD card's gaming advantage is even more substantial in percentage terms.

The Verdict

Choose the AMD Radeon RX 6950 XT if your primary workload is gaming on DirectX 11 or DirectX 12. The benchmark data shows a 31.6% lead in DirectX 11 and a 62.9% lead in DirectX 12. The AMD card also delivers better overall 3D performance (Passmark G3D 28,070 vs. 25,096) and dramatically better 2D performance (1,063 vs. 777). Its higher base clock of 1860 MHz and game clock of 2100 MHz suggest it is tuned for interactive rendering. The card is end-of-life, but it remains competitive in gaming-centric benchmarks.

Choose the NVIDIA RTX 5880 Ada Generation if your work involves compute, AI acceleration, or professional rendering. The Geekbench OpenCL score of 326,898 versus 205,998 shows a 37% advantage, and the FP32 throughput of 69.27 TFLOPS is nearly triple the AMD card's figure. The 440 tensor cores provide dedicated AI hardware absent from the AMD card. The 48 GB memory capacity is three times the AMD card's 16 GB, with 864.0 GB/s of bandwidth versus 576.0 GB/s. The NVIDIA card also runs cooler and more efficiently at 285 W versus 335 W, in a dual-slot design versus triple-slot.

For a balanced assessment, the average benchmark scores favor the AMD card (58,392 vs. 45,972), and its 88th percentile ranking edges out the NVIDIA card's 85th. However, the nature of the workloads matters more than the averages. The AMD card wins where gaming APIs dominate, and the NVIDIA card wins where compute and memory capacity dominate. If your software stack uses OpenCL or CUDA, the NVIDIA card is the only rational choice. If you are building a gaming system, the AMD card's DirectX 12 and DirectX 11 advantages are compelling. The data does not declare a single winner; it declares two specialists.