NVIDIA GeForce RTX 4090 Mobile vs NVIDIA Quadro M6000 Comparison

The NVIDIA GeForce RTX 4090 Mobile and NVIDIA Quadro M6000 represent two entirely different eras of GPU design, and the benchmark data reflects a generational chasm. The RTX 4090 Mobile, an active Ada Lovelace part from the GeForce 40 Mobile series, utterly dominates the end-of-life Maxwell 2.0-based Quadro M6000 in every measured test. For anyone choosing between these two, the decision is straightforward: the RTX 4090 Mobile is the superior performer by massive margins, while the Quadro M6000 offers no practical advantage in the data provided. The RTX 4090 Mobile wins both head-to-head benchmarks and holds a higher average benchmark score (43667 vs 43313), placing it at the 85th percentile versus the M6000’s 84th. The M6000 is a legacy workstation relic; the RTX 4090 Mobile is a modern powerhouse, albeit one constrained to portable devices.

The Verdict

The data dictates a clear verdict: choose the NVIDIA GeForce RTX 4090 Mobile unless you have a specific, inexplicable need for a 2015-era dual-slot desktop card. The RTX 4090 Mobile is 357.7% ahead in Geekbench OpenCL and 262.5% ahead in Geekbench Vulkan, making it the definitive winner in compute and graphics workloads. Its average benchmark score of 43667 slightly edges out the Quadro M6000’s 43313, a 0.8% delta in favor of the mobile part. The M6000, with its 84th percentile ranking, is not competitive. It lacks ray tracing cores, tensor cores, and FP16 support entirely, while the RTX 4090 Mobile features 76 RT cores and 304 tensor cores. If you need maximum raw performance and modern feature support, the RTX 4090 Mobile is the only logical pick. The Quadro M6000, with its 250 W TDP and 600 W suggested PSU, is a power-hungry relic that cannot match the efficiency or speed of the newer chip. There is no scenario in this data where the M6000 wins.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA GeForce RTX 4090 Mobile has an average benchmark score of 43667, which is 0.8% higher than the NVIDIA Quadro M6000’s 43313.

Q: How much faster is the RTX 4090 Mobile in OpenCL?

A: The RTX 4090 Mobile scores 180831 in Geekbench OpenCL, which is 357.7% higher than the Quadro M6000’s 39510.

Q: Does the Quadro M6000 support hardware ray tracing?

A: No, the Quadro M6000 has no ray tracing cores, whereas the RTX 4090 Mobile includes 76 RT cores.

Q: What is the memory configuration difference?

A: The RTX 4090 Mobile has 16 GB of GDDR6 on a 256-bit bus, while the Quadro M6000 has 12 GB of GDDR5 on a 384-bit bus.

Q: Which GPU has a higher transistor count?

A: The RTX 4090 Mobile has 45,900 million transistors on a 5 nm process, compared to the Quadro M6000’s 8,000 million transistors on a 28 nm process.

Q: What is the production status of each card?

A: The RTX 4090 Mobile is listed as Active, while the Quadro M6000 is End-of-life.

Architecture Differences

The architectural gap between these two GPUs is vast, spanning nearly eight years of development. The RTX 4090 Mobile is built on the AD103 chip using the Ada Lovelace architecture, fabricated by TSMC on a 5 nm process node. This allows for a staggering 45,900 million transistors packed into a 379 mm² die, resulting in a transistor density of 121.1M per mm². In contrast, the Quadro M6000 uses the GM200 chip based on the Maxwell 2.0 architecture, built on a 28 nm process with only 8,000 million transistors across a larger 601 mm² die, yielding a density of just 13.3M per mm². The RTX 4090 Mobile is a modern design with 76 dedicated ray tracing cores and 304 tensor cores, enabling hardware-accelerated ray tracing and AI workloads. The Quadro M6000 has neither of these, as they did not exist in its era. The RTX 4090 Mobile also supports DirectX 12 Ultimate (12_2), while the M6000 is capped at DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4, but the feature sets diverge drastically elsewhere, with the newer card offering FP16 compute at a 1:1 ratio with FP32, a feature entirely absent from the Maxwell part.

Specification Differences

The specification tables reveal fundamental differences in every core component. The RTX 4090 Mobile has 9728 shading units, 304 TMUs, and 112 ROPs, dwarfing the Quadro M6000’s 3072 shading units, 192 TMUs, and 96 ROPs. Clock speeds differ as well: the RTX 4090 Mobile runs at a 1335 MHz base and 1695 MHz boost, while the M6000 operates at 988 MHz base and 1114 MHz boost. Memory is another major split — the RTX 4090 Mobile uses 16 GB of GDDR6 memory on a 256-bit bus with 576.0 GB/s bandwidth, whereas the M6000 has 12 GB of GDDR5 on a 384-bit bus with 317.4 GB/s bandwidth. The memory clock also favors the newer card: 2250 MHz (18 Gbps effective) versus 1653 MHz (6.6 Gbps effective). Power requirements are inverted: the RTX 4090 Mobile has a 120 W TDP and is an IGP with no power connectors, while the M6000 has a 250 W TDP, is dual-slot, requires a single 8-pin connector, and recommends a 600 W PSU. The bus interface differs too, with PCIe 4.0 x16 on the RTX 4090 Mobile versus PCIe 3.0 x16 on the M6000. Finally, the M6000 has fixed display outputs (1x DVI, 4x DisplayPort 1.2), while the RTX 4090 Mobile’s outputs are portable-device dependent.

Head-to-Head Benchmarks

The head-to-head results are a one-sided affair. In Geekbench OpenCL, the RTX 4090 Mobile scores 180831 versus the Quadro M6000’s 39510, a delta of 357.7% in favor of the newer GPU. This is not a marginal improvement; it is a multi-generational leap in raw compute throughput. The Geekbench Vulkan test tells a similar story: the RTX 4090 Mobile scores 170774, while the M6000 manages 47116, resulting in a 262.5% advantage for the RTX part. These deltas are so large that they render the M6000 uncompetitive in any modern workload. The RTX 4090 Mobile wins both head-to-head tests, giving it a 2-0 record, while the M6000 has zero wins. The average benchmark scores reinforce this: 43667 for the RTX 4090 Mobile versus 43313 for the M6000, a 0.8% difference that seems small only because the M6000’s average is buoyed by fewer data points (it only has two benchmark entries, while the RTX has nine). In the nearest rivals comparison, the RTX 4090 Mobile sits within 2.2% of cards like the AMD Radeon RX 7900 XTX and AMD Radeon RX 7650 GRE, while the M6000 is similarly close to the NVIDIA RTX A6000.

Where Each One Wins

The RTX 4090 Mobile wins everywhere that matters. It dominates in compute-heavy tasks, as evidenced by its 357.7% lead in OpenCL, making it the obvious choice for machine learning inference, scientific simulation, or any GPGPU workload. Its Vulkan performance, 262.5% ahead, suggests strong modern gaming and rendering capability. The RTX 4090 Mobile also wins on efficiency: a 120 W TDP versus the M6000’s 250 W TDP means it delivers vastly more performance per watt, which is critical for laptop deployments. Its 16 GB GDDR6 memory with higher bandwidth (576.0 GB/s) provides more headroom for large datasets than the M6000’s 12 GB GDDR5. The presence of 76 RT cores and 304 tensor cores gives it features the M6000 simply cannot offer, enabling hardware ray tracing and DLSS-style AI acceleration. The Quadro M6000 has no wins in this dataset. Its only theoretical advantages are its larger 384-bit memory bus and dual-slot desktop form factor, but the actual bandwidth (317.4 GB/s) is far lower, and its 12 GB capacity is smaller. The M6000’s 84th percentile ranking versus the RTX 4090 Mobile’s 85th percentile is the only metric where they are close, but the underlying scores tell the real story. For any use case — gaming, rendering, compute, or workstation tasks — the RTX 4090 Mobile is the superior choice. The Quadro M6000 is a historical artifact, and the data offers no reason to select it over the modern mobile GPU.