AMD Radeon RX Vega 56 vs NVIDIA RTX 5880 Ada Generation Comparison

Where Each One Wins

The NVIDIA RTX 5880 Ada Generation and the AMD Radeon RX Vega 56 occupy completely different performance tiers, and the recorded data makes that split unmistakable. The RTX 5880 Ada is a workstation-class compute monster, while the RX Vega 56 is an older, end-of-life gaming-oriented card. The benchmark averages tell the story at a glance: the RTX 5880 Ada posts an average benchmark score of 45,972, while the RX Vega 56 sits at 37,507. That is a gap of roughly 22.6% in favor of the NVIDIA card, but the real differences appear in specific workloads.

The RTX 5880 Ada wins decisively in raw compute and DirectX-heavy scenarios. Its PassMark G3D score of 25,096 dwarfs anything the RX Vega 56 can offer, and its Geekbench OpenCL score of 326,898 is in an entirely different league. The RX Vega 56 has no recorded PassMark scores at all, only a 3DMark Steel Nomad DX12 result of 1,501 and a Geekbench Metal score of 73,512. The lack of overlapping benchmark tests in the database means direct head-to-head comparisons are limited, but the available data still shows a clear separation.

The RX Vega 56 does have one notable advantage: its Geekbench Metal score of 73,512 demonstrates that it can handle Apple-centric compute workloads reasonably well, likely due to its GCN architecture receiving mature Metal driver support. However, that single data point does not compensate for the massive compute deficit elsewhere. The RTX 5880 Ada also holds a higher percentile ranking among all GPUs at 85, compared to the RX Vega 56's 81, meaning it outperforms a larger share of the overall GPU population.

Architecture Differences

The architectural divide between these two cards is generational. The RTX 5880 Ada uses the AD102 chip built on TSMC's 5 nm process, packing 76,300 million transistors into a 609 mm² die. That yields a transistor density of 125.3M per mm², an extraordinary figure for a GPU. The RX Vega 56, in contrast, uses the Vega 10 chip on GlobalFoundries' 14 nm process, with 12,500 million transistors spread across a 495 mm² die, for a density of 25.3M per mm². The RTX 5880 Ada has roughly six times the transistor count on a die that is only about 23% larger, a direct result of the process node advantage.

The memory subsystems are fundamentally different as well. The RTX 5880 Ada ships with 48 GB of GDDR6 on a 384-bit bus, delivering 864.0 GB/s of bandwidth. The RX Vega 56 uses 8 GB of HBM2 on a 2048-bit bus, but its bandwidth tops out at 409.6 GB/s. Despite having a bus width more than five times larger, the Vega card's older HBM2 memory clocks at 1600 Mbps effective, which limits throughput to less than half of the NVIDIA card's bandwidth. Memory capacity also differs by a factor of six, which matters enormously for large datasets in workstation workloads.

Compute resources show the same disparity. The RTX 5880 Ada has 14,080 shading units, 440 TMUs, and 176 ROPs, along with 110 RT cores and 440 tensor cores. The RX Vega 56 offers 3,584 shading units, 224 TMUs, and 64 ROPs, with no RT cores or tensor cores at all. The FP32 throughput is 69.27 TFLOPS for the RTX 5880 Ada versus 10.54 TFLOPS for the RX Vega 56. The NVIDIA card also maintains a 1:1 FP16 ratio at 69.27 TFLOPS, while the Vega card achieves 21.09 TFLOPS FP16 at a 2:1 ratio, meaning it splits its FP32 units to reach that number.

Clock speeds tell a more nuanced story. The RX Vega 56 has a higher base clock at 1156 MHz versus 975 MHz for the RTX 5880 Ada, but the NVIDIA card's boost clock of 2460 MHz is dramatically higher than the Vega's 1471 MHz. The RTX 5880 Ada also supports PCIe 4.0 x16, while the RX Vega 56 is limited to PCIe 3.0 x16. API support differs too: the NVIDIA card supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, while the Vega card only reaches DirectX 12 (12_1) and Vulkan 1.3.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results shared between the two cards, so the comparison must rely on their respective benchmark suites and average scores. The RTX 5880 Ada's average benchmark score of 45,972 places it 22.6% above the RX Vega 56's 37,507. That is the single most informative number in this comparison.

Looking at the RTX 5880 Ada's individual results, its Geekbench OpenCL score of 326,898 is the standout. Its PassMark G3D score of 25,096 reflects strong rasterization performance, and its PassMark GPU Compute score of 14,208 reinforces the compute-oriented design. The lower PassMark scores for DirectX 9 (335), DirectX 10 (167), DirectX 11 (228), and DirectX 12 (70) suggest these legacy API tests do not exercise the card's full capabilities, likely because the workstation drivers prioritize modern workloads. The PassMark G2D score of 777 indicates solid 2D performance.

The RX Vega 56's available results are minimal: a 3DMark Steel Nomad DX12 score of 1,501 and a Geekbench Metal score of 73,512. The 3DMark result shows the card can handle modern DirectX 12 rendering, but the RTX 5880 Ada has no comparable 3DMark result in the database for a direct comparison. The Geekbench Metal score is the only data point where the Vega card demonstrates meaningful compute capability, and it trails the NVIDIA card's OpenCL score by a considerable margin.

Nearest rival data places each card in context. The RTX 5880 Ada's closest competitor is the NVIDIA RTX A2000 with an average score of 46,043, a delta of -0.2%, meaning the two are essentially tied. The Intel Arc A730M trails by 0.8%, and the AMD Radeon Pro 5500 XT trails by 1.3%. The AMD Radeon RX 5600M actually leads the RTX 5880 Ada by 1.4%. This suggests the RTX 5880 Ada sits in a narrow performance band where small score differences separate several cards.

The RX Vega 56's nearest rivals include the NVIDIA Tesla P4 (37,628, delta -0.3%), the NVIDIA GeForce RTX 4070 (37,648, delta -0.4%), the AMD Radeon PRO W6400 (37,157, delta 0.9%), and the NVIDIA GeForce RTX 4080 Mobile (38,135, delta -1.6%). The Vega card is effectively sandwiched between these four, with the RTX 4070 being a particularly interesting comparison: a much newer card that scores nearly identically in the database's average benchmark metric.

The Verdict

The choice between these two cards is not really a choice for most users. The RTX 5880 Ada Generation is the clear winner for anyone needing workstation compute power, large memory capacity, or modern feature support. Its 48 GB of GDDR6 memory, 69.27 TFLOPS of FP32 compute, and RT/tensor core support make it suitable for AI inference, rendering, and large dataset workloads. The RX Vega 56, with its 8 GB of HBM2 and 10.54 TFLOPS FP32, cannot compete on any of those fronts.

The RX Vega 56 is an end-of-life product, released in 2017, while the RTX 5880 Ada launched in 2024 and remains active in production. The Vega card's successor is Navi, and its predecessor was Polaris, which shows its age. The RTX 5880 Ada's predecessor is Workstation Ampere, and its successor is Blackwell PRO W, indicating it sits in a current product stack.

For users on a strict platform constraint, the RX Vega 56 might still function as a basic DirectX 12 card, as its 3DMark Steel Nomad score of 1,501 demonstrates it can render modern games at some level. But the lack of RT cores, tensor cores, and the significantly lower compute throughput make it unsuitable for professional workloads. The RTX 5880 Ada's percentile rank of 85 versus the Vega's 81 further confirms that the NVIDIA card outperforms a larger share of all GPUs in the database.

The power draw difference is notable: the RTX 5880 Ada has a TDP of 285 W, while the RX Vega 56 draws 210 W. The NVIDIA card also requires a single 16-pin connector and a 600 W suggested PSU, while the Vega card uses two 8-pin connectors and a 550 W suggested PSU. The RTX 5880 Ada is shorter at 267 mm versus 280 mm for the Vega, but both are dual-slot designs.

FAQ

Q: Which card has more memory bandwidth?

A: The RTX 5880 Ada Generation delivers 864.0 GB/s over a 384-bit GDDR6 bus, while the RX Vega 56 offers 409.6 GB/s over a 2048-bit HBM2 bus.

Q: Does the RX Vega 56 support ray tracing?

A: No. The RX Vega 56 has no RT cores listed in the database, while the RTX 5880 Ada includes 110 RT cores.

Q: What is the average benchmark score difference between the two cards?

A: The RTX 5880 Ada scores 45,972 on average, which is 22.6% higher than the RX Vega 56's 37,507.

Q: Which card supports more modern APIs?

A: The RTX 5880 Ada supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, while the RX Vega 56 supports DirectX 12 (12_1) and Vulkan 1.3.

Q: How do the FP32 compute capabilities compare?

A: The RTX 5880 Ada reaches 69.27 TFLOPS FP32, while the RX Vega 56 manages 10.54 TFLOPS FP32, a difference of roughly 6.6 times in favor of the NVIDIA card.

Q: What is the transistor density difference?

A: The RTX 5880 Ada has a transistor density of 125.3M per mm² on TSMC's 5 nm process, while the RX Vega 56 has 25.3M per mm² on GlobalFoundries' 14 nm process.

Specification Differences

| Specification | NVIDIA RTX 5880 Ada Generation | AMD Radeon RX Vega 56 |

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

| Architecture | Ada Lovelace | GCN 5.0 |

| Process Node | 5 nm | 14 nm |

| Foundry | TSMC | GlobalFoundries |

| Transistors | 76,300 million | 12,500 million |

| Die Size | 609 mm² | 495 mm² |

| Transistor Density | 125.3M / mm² | 25.3M / mm² |

| Base Clock | 975 MHz | 1156 MHz |

| Boost Clock | 2460 MHz | 1471 MHz |

| Memory Size | 48 GB | 8 GB |

| Memory Type | GDDR6 | HBM2 |

| Memory Bus Width | 384 bit | 2048 bit |

| Memory Bandwidth | 864.0 GB/s | 409.6 GB/s |

| Memory Clock | 2250 MHz 18 Gbps effective | 800 MHz 1600 Mbps effective |

| Shading Units | 14080 | 3584 |

| TMUs | 440 | 224 |

| ROPs | 176 | 64 |

| RT Cores | 110 | None |

| Tensor Cores | 440 | None |

| Pixel Rate | 433.0 GPixel/s | 94.14 GPixel/s |

| Texture Rate | 1,082.4 GTexel/s | 329.5 GTexel/s |

| FP32 | 69.27 TFLOPS | 10.54 TFLOPS |

| FP16 | 69.27 TFLOPS (1:1) | 21.09 TFLOPS (2:1) |

| TDP | 285 W | 210 W |

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

| Suggested PSU | 600 W | 550 W |

| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |

| Display Outputs | 4x DisplayPort 1.4a | 1x HDMI 2.0b, 3x DisplayPort 1.4a |

| DirectX Support | 12 Ultimate (12_2) | 12 (12_1) |

| Vulkan Support | 1.4 | 1.3 |

| Length | 267 mm (10.5 inches) | 280 mm (11 inches) |

| Height | 112 mm (4.4 inches) | 111 mm (4.4 inches) |

| Width | Not specified | 40 mm (1.6 inches) |

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

| Release Date | 2024-01-04 | 2017-08-13 |

| Predecessor | Workstation Ampere | Polaris |

| Successor | Blackwell PRO W | Navi |

| Launch MSRP | Not specified | 399 USD |