NVIDIA GeForce RTX 5080 Mobile vs NVIDIA RTX PRO 4500 Blackwell Server Comparison

The Verdict

The database shows two very different NVIDIA Blackwell 2.0 parts sharing the same GB203 chip and 5 nm TSMC process. The GeForce RTX 5080 Mobile targets high-end laptops with a modest 80 W envelope, while the RTX PRO 4500 Blackwell Server is a single-slot, 165 W accelerator with no display outputs. The RTX 5080 Mobile has a complete set of recorded benchmark scores and sits at the 81st percentile among all GPUs, with an average benchmark score of 38349. The RTX PRO 4500 has no recorded benchmark results, a 50th percentile placement, and an average score of zero, meaning its performance position is entirely unverified in the database.

For buyers who need a mobile GPU with proven DirectX, OpenCL, and Vulkan results, the RTX 5080 Mobile is the only option with measured data. For server deployments that prioritize memory capacity and compute throughput per watt, the RTX PRO 4500 offers 32 GB of GDDR7, 50.70 TFLOPS FP32, and a 165 W TDP, but no benchmark evidence to confirm real-world behavior. The data indicates the RTX 5080 Mobile is the safer choice for anyone needing immediate, quantifiable performance, while the RTX PRO 4500 is a specification-driven purchase for environments where raw compute resources matter more than validated game or workstation scores.

Architecture Differences

Both GPUs use the same GB203 chip, Blackwell 2.0 architecture, TSMC 5 nm process, 45,600 million transistors, and a 378 mm² die. The transistor density is identical at 120.6M per mm². The shared foundation ends there. The RTX 5080 Mobile runs a base clock of 975 MHz and a boost of 1500 MHz, with memory clocked at 1750 MHz for 28 Gbps effective. The RTX PRO 4500 runs significantly higher at 1215 MHz base and 2415 MHz boost, though its memory clock is lower at 1563 MHz for 25 Gbps effective. The RTX PRO 4500 therefore relies on higher core clocks to drive compute, while the RTX 5080 Mobile uses faster memory transfers.

Core counts diverge sharply. The RTX 5080 Mobile has 7680 shading units, 240 TMUs, 96 ROPs, 60 RT cores, and 240 tensor cores. The RTX PRO 4500 has 10496 shading units, 328 TMUs, 112 ROPs, 82 RT cores, and 328 tensor cores. That is a 36.7% increase in shading units, 36.7% more TMUs, 16.7% more ROPs, 36.7% more RT cores, and 36.7% more tensor cores. The RTX PRO 4500 also doubles memory capacity from 16 GB to 32 GB, both GDDR7 on a 256-bit bus. The RTX 5080 Mobile has higher memory bandwidth at 896.0 GB/s versus 800.3 GB/s, a 12% advantage, despite the RTX PRO 4500 having more memory.

Pixel and texture rates reflect the clock and core differences. The RTX 5080 Mobile delivers 144.0 GPixel/s and 360.0 GTexel/s. The RTX PRO 4500 delivers 270.5 GPixel/s and 792.1 GTexel/s, which are 87.8% and 120% higher respectively. FP32 throughput follows the same pattern: 23.04 TFLOPS for the mobile part versus 50.70 TFLOPS for the server part, a 120% advantage. FP16 is identical to FP32 on both, at a 1:1 ratio.

Power and physical design differ completely. The RTX 5080 Mobile is an integrated GPU (IGP) with no power connectors and an 80 W TDP. The RTX PRO 4500 is a single-slot card, 267 mm long, 111 mm tall, and 40 mm wide, using a single 16-pin connector with a 450 W suggested PSU. The RTX 5080 Mobile has portable-device-dependent display outputs; the RTX PRO 4500 has no display outputs at all. Both use PCIe 5.0 x16 and support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results for these two GPUs, and the RTX PRO 4500 has zero recorded benchmark scores. The comparison must rely on the RTX 5080 Mobile's measured results and the RTX PRO 4500's theoretical specifications.

The RTX 5080 Mobile's best recorded scores include a 3DMark Steel Nomad DX12 result of 4952, Geekbench OpenCL at 166986, Geekbench Vulkan at 169754, Passmark G3D at 27711, and Passmark GPU Compute at 12134. Its Passmark DirectX scores are lower: 171 for DX10, 253 for DX11, 116 for DX12, and 314 for DX9, with a Passmark G2D score of 1095. These numbers place it at the 81st percentile overall.

The RTX PRO 4500 has no such data. Its 50th percentile placement and zero average score mean the database has not validated any workload. The specification sheet suggests large compute advantages: 120% higher FP32, 120% higher texture rate, and 87.8% higher pixel rate. But without benchmark results, these figures remain theoretical. The RTX 5080 Mobile's nearest rivals in the database are the GeForce MX570 (average score 38299, delta 0.1%), the RTX 4080 Mobile (38135, delta 0.6%), the MX570 A (38691, delta -0.9%), and the AMD Radeon Pro 580X (38706, delta -0.9%). The RTX 5080 Mobile essentially matches these cards, with deltas under 1%. The RTX PRO 4500 has no rival data to anchor its performance.

Specification Differences

The two GPUs differ in every performance-relevant specification except the chip, architecture, process, foundry, transistor count, die size, memory type, bus width, bus interface, and API support.

| Specification | RTX 5080 Mobile | RTX PRO 4500 Server |

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

| Base clock | 975 MHz | 1215 MHz |

| Boost clock | 1500 MHz | 2415 MHz |

| Memory clock | 1750 MHz (28 Gbps) | 1563 MHz (25 Gbps) |

| Memory size | 16 GB | 32 GB |

| Memory bandwidth | 896.0 GB/s | 800.3 GB/s |

| Shading units | 7680 | 10496 |

| TMUs | 240 | 328 |

| ROPs | 96 | 112 |

| RT cores | 60 | 82 |

| Tensor cores | 240 | 328 |

| Pixel rate | 144.0 GPixel/s | 270.5 GPixel/s |

| Texture rate | 360.0 GTexel/s | 792.1 GTexel/s |

| FP32 | 23.04 TFLOPS | 50.70 TFLOPS |

| FP16 | 23.04 TFLOPS | 50.70 TFLOPS |

| TDP | 80 W | 165 W |

| Slot width | IGP | Single-slot |

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

| Suggested PSU | None | 450 W |

| Display outputs | Portable device dependent | No outputs |

| Dimensions | Not specified | 267 mm x 111 mm x 40 mm |

| Release date | 2025-04-01 | 2026-03-16 |

| Predecessor | GeForce 40 Mobile | Server Hopper |

| Successor | None | Server Rubin |

The RTX PRO 4500 also has a larger physical footprint and a later release date. The RTX 5080 Mobile has no launch MSRP recorded, and neither does the RTX PRO 4500.

FAQ

Q: Which GPU has more memory?

A: The RTX PRO 4500 has 32 GB of GDDR7, exactly double the RTX 5080 Mobile's 16 GB. Both use a 256-bit bus.

Q: Which GPU has higher memory bandwidth?

A: The RTX 5080 Mobile has higher memory bandwidth at 896.0 GB/s, while the RTX PRO 4500 has 800.3 GB/s. The mobile part's faster 28 Gbps effective memory clock beats the server part's 25 Gbps.

Q: Which GPU has more shading units?

A: The RTX PRO 4500 has 10496 shading units versus 7680 on the RTX 5080 Mobile, a 36.7% higher count.

Q: Does the RTX PRO 4500 have any display outputs?

A: No. The RTX PRO 4500 has no display outputs, while the RTX 5080 Mobile's outputs are portable device dependent.

Q: What is the power draw difference?

A: The RTX 5080 Mobile has an 80 W TDP and no power connectors. The RTX PRO 4500 has a 165 W TDP, uses a single 16-pin connector, and requires a 450 W suggested PSU.

Q: Are there any benchmark results for the RTX PRO 4500?

A: The database has no recorded benchmark scores for the RTX PRO 4500. Its average benchmark score is zero, and it has no nearest rivals listed. The RTX 5080 Mobile has 10 recorded results across 3DMark, Geekbench, and Passmark tests.

Where Each One Wins

The RTX 5080 Mobile wins in portability and measured performance. Its 80 W TDP, IGP form factor, and lack of external power connectors make it suitable for thin laptops. The database confirms its performance with a full benchmark suite: 3DMark Steel Nomad DX12 at 4952, Geekbench OpenCL at 166986, Geekbench Vulkan at 169754, and Passmark G3D at 27711. It also has higher memory bandwidth (896.0 GB/s) than the server part, which helps in memory-sensitive workloads. Its 81st percentile ranking among all GPUs gives it a verifiable performance class, and its nearest rivals all sit within 1% of its average score, indicating consistent, well-understood behavior.

The RTX PRO 4500 wins in raw compute capacity and memory size. It doubles the memory to 32 GB, offers 120% higher FP32 throughput (50.70 TFLOPS versus 23.04 TFLOPS), 120% higher texture rate (792.1 GTexel/s versus 360.0 GTexel/s), and 87.8% higher pixel rate (270.5 GPixel/s versus 144.0 GPixel/s). It also has 36.7% more shading units, TMUs, RT cores, and tensor cores, plus 16.7% more ROPs. Its higher boost clock of 2415 MHz versus 1500 MHz drives these gains. The 32 GB memory capacity is the clear advantage for large datasets, and the single-slot, 267 mm design fits standard server chassis. Its 165 W TDP is higher than the mobile part but modest for a server accelerator.

For gaming laptops and mobile workstations where battery life, heat, and physical space matter, the RTX 5080 Mobile is the only choice with validated scores. For server inference, rendering, or compute tasks where memory capacity and raw TFLOPS dominate, the RTX PRO 4500 offers the stronger specification sheet, though the database lacks any benchmark confirmation. The RTX 5080 Mobile also wins on release timing, having launched on 2025-04-01, while the RTX PRO 4500 is dated 2026-03-16. The RTX PRO 4500 lists a successor (Server Rubin), indicating it is a mid-generation server part, while the RTX 5080 Mobile has no successor recorded. The RTX PRO 4500's predecessor is Server Hopper, showing it replaces an older server line, whereas the RTX 5080 Mobile's predecessor is GeForce 40 Mobile, a direct laptop GPU lineage.