NVIDIA RTX 4000 Ada Generation vs NVIDIA RTX 4500 Ada Generation Comparison

NVIDIA’s RTX 4500 Ada Generation and RTX 4000 Ada Generation are both workstation cards built on the same Ada Lovelace architecture and 5 nm TSMC process, sharing the same release date and PCIe 4.0 x16 interface. The data shows a clear performance hierarchy, but the choice between them depends heavily on whether your priority is raw compute throughput or physical integration efficiency. The RTX 4500 Ada Generation wins both recorded head-to-head benchmarks, yet the RTX 4000 Ada Generation holds its own as a drastically lower-power, single-slot option with a 95th percentile standing among all GPUs.

Where Each One Wins

The RTX 4500 Ada Generation is the outright performance leader in every measured test. It wins the Geekbench OpenCL test with a score of 160,786 against 146,593 for the RTX 4000 Ada Generation, a 9.7% advantage. The gap widens dramatically in the Geekbench Vulkan test, where the RTX 4500 scores 171,401 versus 123,842 — a 38.4% lead. If your workload leans on Vulkan compute or graphics, this is not a close contest; the RTX 4500 is in a different tier.

The RTX 4000 Ada Generation wins where performance per watt and physical footprint matter. It draws 130 W TDP versus 210 W for the RTX 4500, and it fits in a single-slot design with a 16-pin power connector, while the RTX 4500 is dual-slot with no power connector listed. The RTX 4000 also requires a 300 W suggested PSU versus 550 W for the larger card. In dense workstation builds or multi-GPU arrays where slot width and thermal budget are constrained, the RTX 4000 is the pragmatic pick despite losing every benchmark.

Architecture Differences

Both cards use the Ada Lovelace architecture, but they are built on different chips. The RTX 4500 Ada Generation uses the AD103 chip with 45,900 million transistors on a 379 mm² die, while the RTX 4000 Ada Generation uses the AD104 chip with 35,800 million transistors on a 294 mm² die. Transistor density is nearly identical — 121.1M per mm² for the RTX 4500 and 121.8M per mm² for the RTX 4000 — confirming they share the same 5 nm TSMC process node.

The core configuration scales accordingly. The RTX 4500 has 7,680 shading units, 240 TMUs, and 80 ROPs, compared to 6,144 shading units, 192 TMUs, and 64 ROPs on the RTX 4000. Ray tracing and tensor hardware follow the same pattern: the RTX 4500 packs 60 RT cores and 240 tensor cores, while the RTX 4000 has 48 RT cores and 192 tensor cores. Clock speeds favor the RTX 4500 as well, with a base clock of 2070 MHz and boost of 2580 MHz versus 1500 MHz base and 2175 MHz boost on the RTX 4000.

Memory configurations differ in capacity and bus width. The RTX 4500 has 24 GB of GDDR6 on a 192-bit bus, yielding 432.0 GB/s bandwidth. The RTX 4000 has 20 GB of GDDR6 on a 160-bit bus, producing 360.0 GB/s. Both run memory at 2250 MHz with 18 Gbps effective speed, so the bandwidth gap is purely a function of bus width. The API support is identical: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Both cards measure 245 mm in length and 112 mm in height, and both output via 4x DisplayPort 1.4a.

Head-to-Head Benchmarks

The Geekbench OpenCL result shows the RTX 4500 at 160,786 versus 146,593 for the RTX 4000, a 9.7% win. This is a solid but not overwhelming margin, reflecting the RTX 4500’s higher shading unit count and clock speeds. In OpenCL workloads, the extra 1,536 shading units and 405 MHz boost advantage translate into measurable gains, but the RTX 4000 remains within striking distance for tasks that are not heavily parallel.

The Geekbench Vulkan result is where the two cards separate decisively. The RTX 4500 scores 171,401, while the RTX 4000 manages only 123,842 — a 38.4% delta. This suggests the RTX 4500’s larger ROP count (80 versus 64) and higher pixel rate (206.4 GPixel/s versus 139.2 GPixel/s) give it a substantial edge in Vulkan’s draw-call-heavy workloads. The texture rate tells a similar story: 619.2 GTexel/s on the RTX 4500 versus 417.6 GTexel/s on the RTX 4000. If your pipeline uses Vulkan for rendering or compute, the RTX 4500 is not just faster — it is in a different performance class.

In the broader context, the RTX 4500’s average benchmark score of 166,094 places it at the 97th percentile of all GPUs, with nearest rivals including the NVIDIA RTX A5500 (165,217, a 0.5% difference) and AMD Radeon PRO W7800 (164,894, a 0.7% difference). The RTX 4000’s average score of 135,218 sits at the 95th percentile, with nearest rivals like the NVIDIA A10M (135,230, a 0% difference) and AMD Radeon PRO W6800 (135,396, a -0.1% difference). The RTX 4500 is competing at the top of the workstation heap, while the RTX 4000 is firmly mid-pack among professional GPUs.

FAQ

Q: Which card is faster in Vulkan benchmarks?

A: The RTX 4500 Ada Generation wins decisively, scoring 171,401 in Geekbench Vulkan versus 123,842 for the RTX 4000 Ada Generation, a 38.4% advantage.

Q: How much memory do the two cards have?

A: The RTX 4500 has 24 GB of GDDR6 on a 192-bit bus, while the RTX 4000 has 20 GB of GDDR6 on a 160-bit bus.

Q: Do they use the same architecture and manufacturing process?

A: Yes, both use the Ada Lovelace architecture on TSMC’s 5 nm process. The RTX 4500 uses the AD103 chip, and the RTX 4000 uses the AD104 chip.

Q: What are the power requirements?

A: The RTX 4500 has a 210 W TDP and suggests a 550 W PSU, while the RTX 4000 has a 130 W TDP and suggests a 300 W PSU.

Q: Which card is better for a single-slot build?

A: Only the RTX 4000 Ada Generation is single-slot; the RTX 4500 is dual-slot. The RTX 4000 also uses a single 16-pin power connector, whereas the RTX 4500 lists no power connector.

Q: How do their average benchmark scores compare to rival GPUs?

A: The RTX 4500’s 166,094 average score is 0.5% above the NVIDIA RTX A5500 and 0.7% above the AMD Radeon PRO W7800. The RTX 4000’s 135,218 average score matches the NVIDIA A10M (0% delta) and trails the AMD Radeon PRO W6800 by 0.1%.

Specification Differences

| Specification | RTX 4500 Ada Generation | RTX 4000 Ada Generation |

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

| Chip | AD103 | AD104 |

| Transistors | 45,900 million | 35,800 million |

| Die Size | 379 mm² | 294 mm² |

| Base Clock | 2070 MHz | 1500 MHz |

| Boost Clock | 2580 MHz | 2175 MHz |

| Memory Size | 24 GB | 20 GB |

| Memory Bus | 192 bit | 160 bit |

| Memory Bandwidth | 432.0 GB/s | 360.0 GB/s |

| Shading Units | 7680 | 6144 |

| TMUs | 240 | 192 |

| ROPs | 80 | 64 |

| RT Cores | 60 | 48 |

| Tensor Cores | 240 | 192 |

| Pixel Rate | 206.4 GPixel/s | 139.2 GPixel/s |

| Texture Rate | 619.2 GTexel/s | 417.6 GTexel/s |

| FP32 | 39.63 TFLOPS | 26.73 TFLOPS |

| FP16 | 39.63 TFLOPS (1:1) | 26.73 TFLOPS (1:1) |

| TDP | 210 W | 130 W |

| Slot Width | Dual-slot | Single-slot |

| Power Connectors | None | 1x 16-pin |

| Suggested PSU | 550 W | 300 W |

The Verdict

The benchmark data is unambiguous: the RTX 4500 Ada Generation outperforms the RTX 4000 Ada Generation in every recorded test, with a 9.7% OpenCL lead and a 38.4% Vulkan lead. It also offers more memory (24 GB versus 20 GB), higher bandwidth (432.0 GB/s versus 360.0 GB/s), and more of every compute resource — shading units, TMUs, ROPs, RT cores, and tensor cores. Its 97th percentile standing among all GPUs, versus 95th for the RTX 4000, reflects this gap. If your workload is compute-heavy and you have the power and slot budget, the RTX 4500 is the clear choice.

The RTX 4000 Ada Generation is the card for constrained environments. Its 130 W TDP is 80 W lower than the RTX 4500, it fits in a single slot, and it requires a 300 W PSU instead of 550 W. For multi-GPU configurations, dense workstations, or systems where thermal dissipation is a concern, those physical advantages can outweigh the performance deficit. The RTX 4000’s average score of 135,218 is still highly respectable, matching the NVIDIA A10M exactly and trailing the AMD Radeon PRO W6800 by just 0.1%. It is not a slow card — it is simply the efficiency-focused sibling in this pair.

Choose the RTX 4500 Ada Generation for maximum throughput, especially in Vulkan workloads, and when 24 GB of VRAM is necessary. Choose the RTX 4000 Ada Generation when single-slot cooling, low power draw, and a smaller PSU requirement are decisive factors. The data supports either choice; it just depends on which constraints you cannot bend.