NVIDIA RTX 4000 Ada Generation vs NVIDIA RTX A4500 Mobile Comparison

NVIDIA RTX 4000 Ada Generation vs NVIDIA RTX A4500 Mobile

Head-to-Head Benchmarks

The recorded data shows a decisive performance gap between these two workstation GPUs. In the Geekbench OpenCL test, the NVIDIA RTX 4000 Ada Generation scores 146,593, while the NVIDIA RTX A4500 Mobile trails at 105,307. That is a 39.2% delta in favor of the desktop Ada card. The gap widens further in the Geekbench Vulkan test, where the RTX 4000 Ada Generation reaches 123,842 compared to the mobile part's 76,960, a 60.9% advantage. Across the two recorded benchmarks, the RTX 4000 Ada Generation wins both, giving it a clean 2-0 record over the RTX A4500 Mobile.

Looking at the average benchmark score, the RTX 4000 Ada Generation posts 135,218, which places it in the 95th percentile of all GPUs in the database. The RTX A4500 Mobile averages 91,134, sitting in the 93rd percentile. While both are high-performing parts, the difference in raw compute output is substantial, especially in Vulkan workloads where the newer architecture appears to scale more efficiently. The RTX 4000 Ada Generation's nearest rivals include the NVIDIA A10M at 135,230 (a 0% delta), the AMD Radeon PRO W6800 at 135,396 (-0.1%), the AMD Radeon Pro W6800X Duo at 135,774 (-0.4%), and the AMD Radeon PRO V620 at 136,472 (-0.9%). This clustering suggests the RTX 4000 Ada Generation is positioned right at the top of its performance tier, with only marginal differences separating it from its closest competitors.

The RTX A4500 Mobile, by contrast, sits alongside the desktop NVIDIA RTX A4500 at 91,671 (-0.6%), the AMD Radeon Instinct MI60 at 92,466 (-1.4%), the NVIDIA Quadro GP100 at 87,445 (4.2%), and the AMD Radeon PRO W7600 at 87,108 (4.6%). The negative deltas for the first two rivals indicate the mobile part actually edges them out slightly, while the positive deltas for the latter two show it leads them by a small margin. This places the RTX A4500 Mobile in a solid but unremarkable position within its own performance bracket, roughly 48% behind the RTX 4000 Ada Generation on average score. The delta between the two cards in average benchmark terms is significant; the desktop Ada part delivers roughly 48% more average compute performance, and that gap is reflected consistently across both individual tests.

Architecture Differences

The two GPUs come from different architectural generations and are built on different manufacturing processes. The RTX 4000 Ada Generation uses the AD104 chip based on Ada Lovelace architecture, fabricated by TSMC on a 5 nm process. It packs 35,800 million transistors into a die size of 294 mm², yielding a transistor density of 121.8 million per square millimeter. The RTX A4500 Mobile, on the other hand, uses the GA104 chip based on Ampere architecture, fabricated by Samsung on an 8 nm process. It contains 17,400 million transistors across a larger 392 mm² die, resulting in a much lower transistor density of 44.4 million per square millimeter. The Ada part achieves more than double the transistor density, which is a direct consequence of the more advanced 5 nm node.

Core configurations also differ meaningfully. The RTX 4000 Ada Generation has 6,144 shading units, 192 texture mapping units, 64 raster operation units, 48 ray tracing cores, and 192 tensor cores. The RTX A4500 Mobile has 5,888 shading units, 184 TMUs, 96 ROPs, 46 ray tracing cores, and 184 tensor cores. While the shading unit count is only about 4% higher on the Ada card, the ROP count is significantly different: 64 versus 96, with the mobile Ampere part actually having 50% more ROPs. However, the Ada card still achieves a higher pixel rate at 139.2 GPixel/s compared to 144.0 GPixel/s for the mobile part, an interesting reversal given the ROP deficit. The texture rate tells a clearer story, with the RTX 4000 Ada Generation at 417.6 GTexel/s versus 276.0 GTexel/s for the RTX A4500 Mobile, a 51% advantage for the Ada card.

Memory subsystems are configured differently as well. The RTX 4000 Ada Generation ships with 20 GB of GDDR6 memory on a 160-bit bus, delivering 360.0 GB/s of bandwidth at 18 Gbps effective speed. The RTX A4500 Mobile has 16 GB of GDDR6 on a wider 256-bit bus, achieving 512.0 GB/s of bandwidth at 16 Gbps effective speed. This means the mobile part actually has 42% more memory bandwidth despite having 4 GB less capacity, a tradeoff that matters for bandwidth-sensitive workloads. Clock speeds also favor the desktop card substantially: the RTX 4000 Ada Generation runs at a 1500 MHz base clock and 2175 MHz boost, while the RTX A4500 Mobile operates at 930 MHz base and 1500 MHz boost. The Ada card's boost clock is 45% higher, which explains much of its compute advantage despite the relatively modest core count difference.

Power characteristics are notable. The RTX 4000 Ada Generation draws 130 W TDP and requires a single 16-pin power connector with a suggested 300 W PSU. The RTX A4500 Mobile draws 140 W TDP and uses no external power connectors, relying on the portable device's own power delivery. Despite the mobile part drawing slightly more power, it delivers far less compute performance, highlighting the efficiency gains of the Ada Lovelace architecture on 5 nm. The RTX 4000 Ada Generation also offers fixed display outputs with 4x DisplayPort 1.4a, while the RTX A4500 Mobile's outputs are portable device dependent.

Where Each One Wins

The RTX 4000 Ada Generation wins decisively in raw compute throughput. Its FP32 performance of 26.73 TFLOPS dwarfs the RTX A4500 Mobile's 17.66 TFLOPS, a 51% advantage. FP16 performance follows the same pattern, with the Ada card again at 26.73 TFLOPS (1:1) versus 17.66 TFLOPS (1:1) for the mobile part. This makes the RTX 4000 Ada Generation the clear choice for compute-heavy tasks like rendering, simulation, and AI inference where raw floating-point throughput is the limiting factor. The 39.2% OpenCL and 60.9% Vulkan deltas corroborate this, showing that the Ada card's advantage holds across different API workloads.

The RTX 4000 Ada Generation also wins on texture-heavy workloads. Its texture rate of 417.6 GTexel/s is 51% higher than the mobile part's 276.0 GTexel/s. This matters for texture sampling, texture filtering, and texture-heavy 3D rendering. The Ada card also has a higher pixel rate at 139.2 GPixel/s versus 144.0 GPixel/s, though the mobile part wins this metric by about 3%, making it slightly better suited to fill-rate-bound scenarios where pixel output is the bottleneck. The RTX A4500 Mobile's 96 ROPs compared to 64 on the Ada card suggests it can handle certain rasterization workloads efficiently, and the 42% higher memory bandwidth at 512.0 GB/s means it will perform relatively better in memory-bandwidth-bound tasks.

The RTX A4500 Mobile does have genuine strengths. Its wider 256-bit memory bus and higher bandwidth are significant for workloads that stream large datasets, such as certain scientific computing applications or large texture databases. Its lower shading unit count is offset by better ROPs per shading unit, and its 140 W TDP is close to the Ada card's 130 W despite being a mobile part. For users constrained by portability needs, the RTX A4500 Mobile is the only option between these two, as it requires no external power connectors and its display outputs depend entirely on the host portable device. The RTX A4500 Mobile is rated as end-of-life, however, while the RTX 4000 Ada Generation remains active production status, which matters for long-term deployment planning.

In the RTX 4000 Ada Generation's nearest rival cluster, the AMD Radeon PRO V620 is only 0.9% ahead at 136,472, meaning the RTX 4000 Ada Generation is essentially at parity with the top of its class. The NVIDIA A10M at 135,230 is effectively identical at a 0% delta. For the RTX A4500 Mobile, its closest rival is the desktop NVIDIA RTX A4500 at 91,671, which it trails by just 0.6%, indicating the mobile implementation is impressively close to its desktop counterpart in average score.

The Verdict

The data points to one clear conclusion: the NVIDIA RTX 4000 Ada Generation is the superior GPU in every recorded metric except memory bandwidth, ROP count, and pixel rate. For users who prioritize compute performance, the Ada card's 26.73 TFLOPS FP32 and 26.73 TFLOPS FP16 represent a massive step up from the mobile part's 17.66 TFLOPS in both. The 60.9% Vulkan delta is especially telling, suggesting the Ada architecture extracts more performance from modern graphics APIs. The RTX 4000 Ada Generation also offers 20 GB of memory versus 16 GB, which matters for large model loading and high-resolution textures.

The RTX A4500 Mobile is not without merit. Its 512.0 GB/s bandwidth is 42% higher than the desktop card's 360.0 GB/s, and its 96 ROPs exceed the Ada card's 64 ROPs. It also draws only 10 W more power despite being a mobile part, and it requires no external power connectors, making it the only feasible option for laptop-based workflows. Its 93rd percentile ranking among all GPUs is respectable, and it outperforms the NVIDIA Quadro GP100 by 4.2% and the AMD Radeon PRO W7600 by 4.6%, showing it still competes well in its segment.

For a fixed workstation or a desktop tower, the RTX 4000 Ada Generation is the obvious pick. It is faster in both recorded benchmarks, has more memory, higher compute throughput, and comes from a newer architecture on a more advanced 5 nm process. It is also still in active production, whereas the RTX A4500 Mobile is end-of-life. For mobile workflows where portability is non-negotiable, the RTX A4500 Mobile is the only choice between these two parts, and its performance is solid for a laptop GPU. The 95th versus 93rd percentile ranking reflects the overall gap: the RTX 4000 Ada Generation sits at the top of its tier, while the RTX A4500 Mobile is a strong but not elite mobile option.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The NVIDIA RTX 4000 Ada Generation delivers 26.73 TFLOPS FP32, while the NVIDIA RTX A4500 Mobile delivers 17.66 TFLOPS FP32. The Ada card has a 51% advantage in this metric.

Q: How do the two GPUs compare in the recorded benchmarks?

A: The RTX 4000 Ada Generation wins both tests: 146,593 versus 105,307 in Geekbench OpenCL (a 39.2% delta) and 123,842 versus 76,960 in Geekbench Vulkan (a 60.9% delta).

Q: Which GPU has more memory bandwidth?

A: The RTX A4500 Mobile has 512.0 GB/s of bandwidth on a 256-bit bus, which is 42% higher than the RTX 4000 Ada Generation's 360.0 GB/s on a 160-bit bus. The Ada card has more total memory at 20 GB versus 16 GB.

Q: What are the transistor and process differences?

A: The RTX 4000 Ada Generation uses a 5 nm TSMC process with 35,800 million transistors on a 294 mm² die. The RTX A4500 Mobile uses an 8 nm Samsung process with 17,400 million transistors on a 392 mm² die.

Q: Which GPU has a higher pixel rate?

A: The RTX A4500 Mobile has a pixel rate of 144.0 GPixel/s, slightly ahead of the RTX 4000 Ada Generation's 139.2 GPixel/s. The mobile part also has 96 ROPs versus 64 ROPs on the Ada card.

Q: What is the production status of each GPU?

A: The RTX 4000 Ada Generation is listed as Active production, while the RTX A4500 Mobile is listed as End-of-life. The Ada card was released on 2023-08-08, and the mobile part on 2022-03-21.

Specification Differences

| Specification | NVIDIA RTX 4000 Ada Generation | NVIDIA RTX A4500 Mobile |

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

| Architecture | Ada Lovelace | Ampere |

| Chip | AD104 | GA104 |

| Process Node | 5 nm (TSMC) | 8 nm (Samsung) |

| Transistors | 35,800 million | 17,400 million |

| Die Size | 294 mm² | 392 mm² |

| Transistor Density | 121.8M / mm² | 44.4M / mm² |

| Base Clock | 1500 MHz | 930 MHz |

| Boost Clock | 2175 MHz | 1500 MHz |

| Memory Clock | 2250 MHz, 18 Gbps effective | 2000 MHz, 16 Gbps effective |

| Memory Size | 20 GB | 16 GB |

| Memory Bus Width | 160 bit | 256 bit |

| Memory Bandwidth | 360.0 GB/s | 512.0 GB/s |

| Shading Units | 6144 | 5888 |

| TMUs | 192 | 184 |

| ROPs | 64 | 96 |

| RT Cores | 48 | 46 |

| Tensor Cores | 192 | 184 |

| Pixel Rate | 139.2 GPixel/s | 144.0 GPixel/s |

| Texture Rate | 417.6 GTexel/s | 276.0 GTexel/s |

| FP32 | 26.73 TFLOPS | 17.66 TFLOPS |

| FP16 | 26.73 TFLOPS (1:1) | 17.66 TFLOPS (1:1) |

| TDP | 130 W | 140 W |

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

| Suggested PSU | 300 W | Not specified |

| Slot Width | Single-slot | Not specified |

| Display Outputs | 4x DisplayPort 1.4a | Portable Device Dependent |

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

| Release Date | 2023-08-08 | 2022-03-21 |

| Generation | Workstation Ada (x000A) | Ampere-MW (Ax000) |

| Predecessor | Workstation Ampere | Quadro Turing-M |

| Successor | Blackwell PRO W | Ada-MW |

| Avg Benchmark Score | 135,218 | 91,134 |

| Percentile vs All GPUs | 95th | 93rd |