NVIDIA RTX 4500 Ada Generation vs NVIDIA Rubin GPU Comparison

Head-to-Head Benchmarks

The recorded database contains no direct head-to-head benchmark comparisons between the NVIDIA RTX 4500 Ada Generation and the NVIDIA Rubin GPU. The RTX 4500 Ada Generation has two recorded benchmark scores: 160,786 in Geekbench OpenCL and 171,401 in Geekbench Vulkan, producing an average benchmark score of 166,094. The Rubin GPU has no recorded benchmarks, with an average benchmark score of zero and no entries in the nearest rivals list.

The RTX 4500 Ada Generation sits at the 97th percentile among all GPUs in the database. Its nearest rivals include the NVIDIA RTX A5500 with an average score of 165,217, which is 0.5% behind the RTX 4500 Ada Generation. The AMD Radeon PRO W7800 scores 164,894, 0.7% behind. The AMD Radeon Pro W6900X scores 168,574, which places it 1.5% ahead of the RTX 4500 Ada Generation. The NVIDIA A100 PCIe 40 GB scores 162,504, 2.2% behind.

Since the Rubin GPU lacks any benchmark entries, every direct numerical comparison between the two products is impossible from the database alone. The Rubin GPU is listed at the 50th percentile, but this reflects the absence of recorded data rather than measured performance. The RTX 4500 Ada Generation, by contrast, has concrete scores that place it in the top 3% of all GPUs tracked.

The absence of benchmark data for the Rubin GPU means the database cannot confirm any performance relationship between these two products. The RTX 4500 Ada Generation's scores indicate strong workstation performance relative to its nearest rivals, but no extrapolation to Rubin is possible from the recorded facts.

Where Each One Wins

The RTX 4500 Ada Generation wins in every category where recorded data exists. It has a 97th percentile ranking versus the Rubin GPU's 50th percentile, though the latter stems from having no benchmark scores. The RTX 4500 Ada Generation demonstrates measurable wins in its two Geekbench tests: the Vulkan score of 171,401 exceeds its OpenCL score of 160,786 by roughly 6.6%, indicating solid cross-API performance.

The Rubin GPU wins in raw hardware specifications that are not directly benchmarked. Its FP32 throughput of 130.0 TFLOPS is more than three times the RTX 4500 Ada Generation's 39.63 TFLOPS. FP16 performance shows an even wider gap: the Rubin GPU delivers 260.0 TFLOPS with a 2:1 ratio, while the RTX 4500 Ada Generation delivers 39.63 TFLOPS at a 1:1 ratio. Memory bandwidth favors the Rubin GPU decisively at 22.1 TB/s versus 432.0 GB/s, a factor of roughly 51 times.

The Rubin GPU also wins on memory capacity with 288 GB of HBM4 versus 24 GB of GDDR6 on the RTX 4500 Ada Generation. Texture fill rate favors the Rubin GPU at 2,031.2 GTexel/s versus 619.2 GTexel/s. Shader count favors the Rubin GPU with 28,672 shading units versus 7,680. Tensor core count favors the Rubin GPU with 896 versus 240.

The RTX 4500 Ada Generation wins on pixel fill rate with 206.4 GPixel/s versus 54.41 GPixel/s on the Rubin GPU. The RTX 4500 Ada Generation also has display outputs (4x DisplayPort 1.4a) while the Rubin GPU has none, and supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, whereas the Rubin GPU lists N/A for all three APIs.

Architecture Differences

The two GPUs come from entirely different architectural lineages. The RTX 4500 Ada Generation uses the AD103 chip built on the Ada Lovelace architecture, fabricated by TSMC on a 5 nm process. The Rubin GPU uses the GR100 chip built on the Rubin architecture, also fabricated by TSMC but on a 3 nm process. The process node shrink allows the Rubin GPU to pack 336,000 million transistors onto a 1,456 mm² die, compared to 45,900 million transistors on a 379 mm² die for the RTX 4500 Ada Generation. Transistor density rises from 121.1M per mm² on the RTX 4500 Ada Generation to 230.8M per mm² on the Rubin GPU.

The RTX 4500 Ada Generation belongs to the Workstation Ada generation with a predecessor in Workstation Ampere and a successor in Blackwell PRO W. The Rubin GPU belongs to the Server Rubin (Rxx) generation with a predecessor in Server Blackwell and no listed successor. The RTX 4500 Ada Generation uses a dual-slot form factor with no power connectors and a 210 W TDP, suggesting a 550 W PSU. The Rubin GPU uses an SXM Module form factor with a 2300 W TDP and a suggested 2700 W PSU. Power connectors are not listed for the Rubin GPU.

Memory architecture differs fundamentally. The RTX 4500 Ada Generation uses 24 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth and memory clocks of 2250 MHz (18 Gbps effective). The Rubin GPU uses 288 GB of HBM4 on a 16,384-bit bus with 22.1 TB/s bandwidth and memory clocks of 2695 MHz (10.8 Gbps effective). The bus width difference, 192-bit versus 16,384-bit, explains the massive bandwidth gap.

Compute resources differ substantially. The RTX 4500 Ada Generation has 7,680 shading units, 240 TMUs, 80 ROPs, 60 RT cores, and 240 tensor cores. The Rubin GPU has 28,672 shading units, 896 TMUs, only 24 ROPs, no listed RT cores, and 896 tensor cores. The Rubin GPU's low ROP count relative to its shader and TMU counts reflects a server-oriented design where pixel output matters less. The RTX 4500 Ada Generation's higher pixel rate (206.4 GPixel/s versus 54.41 GPixel/s) confirms this divergence.

Clock behavior differs. The RTX 4500 Ada Generation has a base clock of 2070 MHz and a boost clock of 2580 MHz. The Rubin GPU has a much lower base clock of 700 MHz but a boost clock of 2267 MHz, indicating a design that relies on boosting under server workloads rather than sustained high base frequencies.

The RTX 4500 Ada Generation uses a PCIe 4.0 x16 bus interface, while the Rubin GPU uses PCIe 6.0 x16. The RTX 4500 Ada Generation measures 245 mm in length and 112 mm in height; the Rubin GPU has no listed dimensions. Both are produced by NVIDIA, and both are marked as Active in production status. The RTX 4500 Ada Generation released on 2023-08-08, while the Rubin GPU has a listed release date of 2025-12-31.

The Verdict

The database presents two products with fundamentally different purposes and no shared benchmark data. The RTX 4500 Ada Generation is a measured, verified workstation GPU with a 97th percentile ranking and concrete scores in OpenCL and Vulkan. Its nearest rivals are all within 2.2% of its average score, indicating a tightly competitive field where the RTX 4500 Ada Generation holds a slight edge over the RTX A5500 and Radeon PRO W7800, trails the Radeon Pro W6900X by 1.5%, and leads the A100 PCIe 40 GB by 2.2%.

The Rubin GPU is a server-class accelerator with no recorded benchmarks. Its specifications point to a device aimed at massively parallel compute workloads, not graphics or workstation tasks. The lack of display outputs, the absence of DirectX, OpenGL, and Vulkan support, and the 2300 W TDP all indicate a compute-only product. The 288 GB HBM4 memory and 22.1 TB/s bandwidth target large-scale AI training and inference, not desktop rendering.

For workstation users who need display output, graphics APIs, and a dual-slot card that fits in a standard chassis, the RTX 4500 Ada Generation is the only viable choice from the recorded data. It delivers measurable performance in the top 3% of all GPUs and supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4.

For server deployments where raw compute throughput and memory capacity dominate, the Rubin GPU's specifications indicate a far more capable device on paper. Its FP32 throughput is 3.3 times higher, its FP16 throughput is 6.6 times higher, its memory bandwidth is 51 times higher, and its memory capacity is 12 times higher. None of this is validated by benchmark scores, so the database cannot confirm real-world performance parity with those specifications.

The RTX 4500 Ada Generation is the only product with measured performance data, and it should be selected when benchmark-verified performance matters. The Rubin GPU should be selected when its unverified specifications match the workload requirements and the product's server-oriented design is acceptable.

FAQ

Q: Does the database show any direct benchmark comparison between these two GPUs?

A: No. The head-to-head benchmark list is empty, and the Rubin GPU has no benchmark entries of its own. The RTX 4500 Ada Generation has two scores: 160,786 in Geekbench OpenCL and 171,401 in Geekbench Vulkan.

Q: How does the RTX 4500 Ada Generation compare to its nearest rivals?

A: It averages 166,094 across benchmarks. The RTX A5500 trails by 0.5%, the Radeon PRO W7800 trails by 0.7%, the Radeon Pro W6900X leads by 1.5%, and the A100 PCIe 40 GB trails by 2.2%.

Q: Which GPU has more memory and bandwidth?

A: The Rubin GPU has 288 GB of HBM4 on a 16,384-bit bus with 22.1 TB/s bandwidth. The RTX 4500 Ada Generation has 24 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth.

Q: Can the Rubin GPU output video to a display?

A: No. The database lists no display outputs for the Rubin GPU. The RTX 4500 Ada Generation provides 4x DisplayPort 1.4a outputs.

Q: What is the thermal and power profile of each GPU?

A: The RTX 4500 Ada Generation has a 210 W TDP, uses a dual-slot form factor, has no power connectors, and suggests a 550 W PSU. The Rubin GPU has a 2300 W TDP, uses an SXM Module form factor, lists no power connectors, and suggests a 2700 W PSU.

Q: Which GPU supports graphics APIs?

A: The RTX 4500 Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Rubin GPU lists N/A for DirectX, OpenGL, and Vulkan.

Specification Differences

| Specification | NVIDIA RTX 4500 Ada Generation | NVIDIA Rubin GPU |

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

| Architecture | Ada Lovelace | Rubin |

| Process Node | 5 nm | 3 nm |

| Transistors | 45,900 million | 336,000 million |

| Die Size | 379 mm² | 1,456 mm² |

| Transistor Density | 121.1M / mm² | 230.8M / mm² |

| Base Clock | 2070 MHz | 700 MHz |

| Boost Clock | 2580 MHz | 2267 MHz |

| Memory Size | 24 GB | 288 GB |

| Memory Type | GDDR6 | HBM4 |

| Memory Bus Width | 192 bit | 16,384 bit |

| Memory Bandwidth | 432.0 GB/s | 22.1 TB/s |

| Shading Units | 7,680 | 28,672 |

| TMUs | 240 | 896 |

| ROPs | 80 | 24 |

| RT Cores | 60 | None listed |

| Tensor Cores | 240 | 896 |

| Pixel Rate | 206.4 GPixel/s | 54.41 GPixel/s |

| Texture Rate | 619.2 GTexel/s | 2,031.2 GTexel/s |

| FP32 | 39.63 TFLOPS | 130.0 TFLOPS |

| FP16 | 39.63 TFLOPS (1:1) | 260.0 TFLOPS (2:1) |

| TDP | 210 W | 2300 W |

| Slot Width | Dual-slot | SXM Module |

| Suggested PSU | 550 W | 2700 W |

| Bus Interface | PCIe 4.0 x16 | PCIe 6.0 x16 |

| Display Outputs | 4x DisplayPort 1.4a | No outputs |

| DirectX | 12 Ultimate (12_2) | N/A |

| OpenGL | 4.6 | N/A |

| Vulkan | 1.4 | N/A |

| Dimensions | 245 mm length, 112 mm height | Not listed |

| Release Date | 2023-08-08 | 2025-12-31 |

| Generation | Workstation Ada | Server Rubin (Rxx) |

| Predecessor | Workstation Ampere | Server Blackwell |

| Successor | Blackwell PRO W | None listed |