NVIDIA GeForce RTX 5090 D vs NVIDIA RTX A1000 Mobile Comparison

Head-to-Head Benchmarks

The recorded head-to-head data contains only two shared benchmark tests, and both are decisive victories for the NVIDIA GeForce RTX 5090 D. In Geekbench OpenCL, the RTX 5090 D scores 310,674 against the RTX A1000 Mobile's 48,703, a delta of 537.9%. The Vulkan result is even more lopsided: 376,915 versus 46,782, a 705.7% advantage. These are not incremental margins; the desktop card outruns the mobile part by factors of roughly six to eight times in raw compute workloads.

The RTX 5090 D's broader benchmark portfolio reinforces this gap. Its Passmark G3D score of 44,065 and GPU compute score of 28,396 place it in the 92nd percentile of all GPUs in the database. The RTX A1000 Mobile, by contrast, sits in the 85th percentile with an average benchmark score of 47,743, while the RTX 5090 D averages 77,712 across all recorded tests. That average score gap, roughly 63% higher for the desktop part, reflects a consistent pattern rather than a single favorable workload.

What makes the comparison interesting is how the A1000 Mobile's nearest rivals contextualize its performance. The database lists the AMD Radeon RX 6800 XT as 1.5% ahead of it, the AMD Radeon RX 6550M as 2.2% behind, the Intel Arc A530M as 2.4% behind, and the AMD Radeon RX 5600M as 2.5% behind. The A1000 Mobile is thus clustered tightly among midrange mobile and older desktop parts, all within a few percentage points of each other. Meanwhile, the RTX 5090 D's nearest rivals include the AMD Radeon RX 6650M XT at 1.1% behind, the AMD Radeon RX 6850M XT at 1.6% ahead, and two NVIDIA Tesla P100 variants at 2.1% and 2.4% ahead. The RTX 5090 D is competing in a completely different performance stratum, one populated by high-end workstation accelerators and flagship mobile GPUs.

The per-test breakdown shows no workload in the shared set where the A1000 Mobile closes the gap. Vulkan, often considered a lower-overhead API that can favor efficiency-oriented designs, still shows the RTX 5090 D at over eight times the score. OpenCL, which is more sensitive to raw shader throughput and memory bandwidth, shows a similar story. The data suggests the architectural and resource disparities between these two parts overwhelm any API-level optimizations.

Architecture Differences

The RTX 5090 D is built on TSMC's 5 nm process with the GB202 chip, using the Blackwell 2.0 architecture. The RTX A1000 Mobile uses Samsung's 8 nm process with the GA107 chip, based on the older Ampere architecture. The process node difference alone, 5 nm versus 8 nm, explains a substantial portion of the performance gap, as the newer node allows for dramatically higher transistor density. The GB202 die packs 92,200 million transistors into 750 mm², yielding a density of 122.9 million transistors per square millimeter. The GA107 die contains 8,700 million transistors across 200 mm², for a density of 43.5 million per square millimeter. That is nearly three times the transistor density on the desktop part.

The memory subsystems are equally divergent. The RTX 5090 D features 32 GB of GDDR7 on a 512-bit bus, delivering 1.79 TB/s of bandwidth. The A1000 Mobile has 4 GB of GDDR6 on a 128-bit bus, with 176.0 GB/s of bandwidth. The desktop card offers roughly ten times the memory capacity and bandwidth, which directly impacts texture-heavy workloads, large dataset processing, and high-resolution rendering. The RTX 5090 D also runs its memory at 1750 MHz with 28 Gbps effective speed, while the A1000 Mobile operates at 1375 MHz with 11 Gbps effective.

Compute resources follow the same pattern. The RTX 5090 D has 21,760 shading units, 680 texture mapping units, and 176 ROPs. The A1000 Mobile has 2,048 shading units, 64 TMUs, and 32 ROPs. Ray tracing hardware shows a similar ratio: 170 RT cores versus 16, and 680 tensor cores versus 64. The pixel rate of the RTX 5090 D is 423.6 GPixel/s versus 36.48 GPixel/s, and texture rate is 1,636.8 GTexel/s versus 72.96 GTexel/s. Floating-point performance is 104.8 TFLOPS for FP32 and FP16 on the desktop part, while the mobile part delivers 4.669 TFLOPS for both.

Clock behavior is notable because the mobile part runs much lower. The RTX 5090 D has a base clock of 2017 MHz and boost of 2407 MHz. The A1000 Mobile has a base of 630 MHz and boost of 1140 MHz. Even accounting for the mobile part's lower power envelope, the clock gap contributes meaningfully to the performance difference.

Power and physical design diverge sharply. The RTX 5090 D is rated at 575 W TDP, requires a 950 W suggested PSU, uses a dual-slot cooler, and needs a 16-pin power connector. It measures 304 mm in length, 137 mm in height, and 48 mm in width. The A1000 Mobile is an IGP with no power connector, a 60 W TDP, and dimensions described as portable device dependent. The desktop card uses PCIe 5.0 x16, while the mobile part uses PCIe 4.0 x8. Display outputs also differ: the RTX 5090 D offers 1x HDMI 2.1b and 3x DisplayPort 2.1b, while the A1000 Mobile's outputs are portable device dependent.

Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API compatibility is not a differentiator. The production status does differ: the RTX 5090 D is listed as active, while the A1000 Mobile is end-of-life. The release dates reflect this, with the A1000 Mobile arriving in March 2022 and the RTX 5090 D in January 2025.

Where Each One Wins

The RTX 5090 D wins every recorded shared benchmark, so the use-case split is mostly about scale rather than niche advantages. Its 32 GB GDDR7 memory and 1.79 TB/s bandwidth make it suited for workloads that involve very large datasets, such as high-resolution texture sets, complex 3D scenes, or GPU compute tasks that exceed the memory capacity of smaller cards. The 104.8 TFLOPS FP32 throughput and 1,636.8 GTexel/s texture rate position it for heavy rasterization and compute workloads, and the 170 RT cores provide substantial ray tracing capability.

The RTX A1000 Mobile's advantages are not visible in raw performance numbers but in physical integration. As an IGP with a 60 W TDP and no external power connector, it fits into portable devices where the RTX 5090 D cannot be installed at all. The database shows the A1000 Mobile in the 85th percentile of all GPUs, so it is not a weak part in absolute terms; it outperforms the AMD Radeon RX 6550M by 2.2%, the Intel Arc A530M by 2.4%, and the AMD Radeon RX 5600M by 2.5%. For mobile workstations that need CUDA acceleration, ray tracing support, and 4 GB of GDDR6 memory without the thermal or power budget of a discrete desktop card, the A1000 Mobile remains a viable option.

The use-case split is therefore not about one card being better at a specific benchmark category. The RTX 5090 D is better at everything measurable in the shared tests. The A1000 Mobile wins only in scenarios defined by physical constraints: battery-powered devices, slim chassis, or systems where a 575 W TDP and 304 mm length are impossible. The data cannot show a workload where the A1000 Mobile outperforms the RTX 5090 D, because no such workload exists in the recorded benchmarks.

FAQ

Q: How much faster is the RTX 5090 D in Vulkan compared to the RTX A1000 Mobile?

A: In Geekbench Vulkan, the RTX 5090 D scores 376,915 versus 46,782 for the A1000 Mobile, a 705.7% difference.

Q: What is the memory capacity difference between the two cards?

A: The RTX 5090 D has 32 GB of GDDR7 on a 512-bit bus, while the RTX A1000 Mobile has 4 GB of GDDR6 on a 128-bit bus. Bandwidth is 1.79 TB/s versus 176.0 GB/s.

Q: Which card has a higher transistor density?

A: The RTX 5090 D on TSMC 5 nm has 122.9 million transistors per square millimeter, while the RTX A1000 Mobile on Samsung 8 nm has 43.5 million per square millimeter.

Q: Are both cards still in production?

A: No. The RTX 5090 D is listed as active, while the RTX A1000 Mobile is end-of-life.

Q: How does the RTX 5090 D compare to its nearest rival, the AMD Radeon RX 6650M XT?

A: The RTX 5090 D has an average benchmark score of 77,712 versus 76,904 for the RX 6650M XT, putting the RTX 5090 D 1.1% ahead.

Q: What is the TDP of each card?

A: The RTX 5090 D is rated at 575 W, while the RTX A1000 Mobile is rated at 60 W.

Specification Differences

| Specification | NVIDIA GeForce RTX 5090 D | NVIDIA RTX A1000 Mobile |

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

| Architecture | Blackwell 2.0 | Ampere |

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

| Transistors | 92,200 million | 8,700 million |

| Die size | 750 mm² | 200 mm² |

| Transistor density | 122.9M / mm² | 43.5M / mm² |

| Base clock | 2017 MHz | 630 MHz |

| Boost clock | 2407 MHz | 1140 MHz |

| Memory clock | 1750 MHz, 28 Gbps effective | 1375 MHz, 11 Gbps effective |

| Memory size | 32 GB | 4 GB |

| Memory type | GDDR7 | GDDR6 |

| Memory bus | 512 bit | 128 bit |

| Memory bandwidth | 1.79 TB/s | 176.0 GB/s |

| Shading units | 21,760 | 2,048 |

| TMUs | 680 | 64 |

| ROPs | 176 | 32 |

| RT cores | 170 | 16 |

| Tensor cores | 680 | 64 |

| Pixel rate | 423.6 GPixel/s | 36.48 GPixel/s |

| Texture rate | 1,636.8 GTexel/s | 72.96 GTexel/s |

| FP32 | 104.8 TFLOPS | 4.669 TFLOPS |

| FP16 | 104.8 TFLOPS (1:1) | 4.669 TFLOPS (1:1) |

| TDP | 575 W | 60 W |

| Slot width | Dual-slot | IGP |

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

| Suggested PSU | 950 W | None |

| Bus interface | PCIe 5.0 x16 | PCIe 4.0 x8 |

| Display outputs | 1x HDMI 2.1b, 3x DisplayPort 2.1b | Portable Device Dependent |

| Production status | Active | End-of-life |

| Release date | 2025-01-29 | 2022-03-29 |

| Predecessor | GeForce 40 | Quadro Turing-M |

| Successor | GeForce 60 | Ada-MW |

| Launch MSRP | 2,299 USD | None |

The Verdict

The data presents a clear hierarchy. The RTX 5090 D outperforms the RTX A1000 Mobile by 537.9% in OpenCL and 705.7% in Vulkan, the only shared benchmark tests. Its average benchmark score of 77,712 versus 47,743 places it in the 92nd percentile of all GPUs, while the A1000 Mobile sits in the 85th. Every architectural specification, from transistor count to memory bandwidth to shading units, favors the desktop card by wide margins.

The choice between these two parts should be driven entirely by form factor and power constraints. The RTX 5090 D requires a dual-slot chassis, a 950 W suggested PSU, a 16-pin power connector, and 304 mm of clearance. It also has a launch MSRP of 2,299 USD. The RTX A1000 Mobile, as an IGP with a 60 W TDP and no power connector, is designed for portable devices where the desktop card physically cannot be used. It is end-of-life, but it still outperforms several recent mobile parts in the database, including the AMD Radeon RX 6550M, Intel Arc A530M, and AMD Radeon RX 5600M by margins of roughly 2% to 3%.

For a user building or upgrading a desktop workstation with space and power to spare, the RTX 5090 D is the only rational choice based on benchmark results. For a mobile workstation that must operate on battery power or fit in a slim chassis, the RTX A1000 Mobile remains a functional option despite its age. The database records no scenario where the A1000 Mobile matches the RTX 5090 D in performance, so the decision rests on physical integration rather than capability.