GPU Comparison

# NVIDIA RTX A5000 vs NVIDIA Quadro M5000

The NVIDIA RTX A5000 and NVIDIA Quadro M5000 represent two distinct eras of workstation graphics, separated by six years of architecture evolution. The data reveals a generational chasm: the RTX A5000 wins every head-to-head benchmark by enormous margins, yet the Quadro M5000 still holds a respectable 76th percentile ranking among all GPUs, suggesting it was a formidable card in its time. The real question is not whether the newer card is faster, it is, decisively, but how each card's strengths map to different workstation workloads and whether the older Maxwell architecture retains any niche relevance.

Where Each One Wins

The RTX A5000 dominates every measurable category in the benchmark data. It wins both head-to-head tests, Geekbench OpenCL and Vulkan, with no contest. Its average benchmark score of 33,622 across all recorded tests places it in the 78th percentile of all GPUs, while the Quadro M5000's average of 31,206 sits at the 76th percentile. The percentile gap is narrow, but the raw performance gap is massive, indicating that the A5000's benchmark suite includes more demanding modern tests that the older card simply cannot run.

The Quadro M5000's only "win" is contextual. It achieves a 76th percentile with just two benchmark scores recorded, both from Geekbench, whereas the A5000 has ten scores spanning DirectX 9 through 12, OpenCL, Vulkan, and compute workloads. This means the M5000's percentile is based on a narrower, older test set. In legacy DirectX 9 or DirectX 10 workloads, where its architecture was designed to excel, the M5000 likely performs relatively better than in modern compute tasks, though the data does not include those legacy benchmarks for the M5000 to confirm this.

The A5000's wins are absolute: 2-0 in head-to-head comparisons, with 435.6% and 318.5% leads. For any workstation task involving compute, rendering, or modern API utilization, the A5000 is the clear choice. The M5000's relevance is confined to older software ecosystems or tasks where its lower power draw and simpler feature set might be sufficient.

Architecture Differences

The architectural gap between these two cards is generational. The RTX A5000 uses the GA102 chip on an 8 nm Samsung process, packing 28,300 million transistors into a 628 mm² die, a transistor density of 45.1 million per square millimeter. The Quadro M5000 uses the GM204 chip on TSMC's 28 nm process, with just 5,200 million transistors on a 398 mm² die, yielding 13.1 million transistors per square millimeter. The A5000 has more than five times the transistor count and over three times the density, explaining its massive performance advantage.

The A5000 is built on Ampere architecture, while the M5000 uses Maxwell 2.0. This means the A5000 includes 64 RT cores and 256 tensor cores, features entirely absent from the M5000. The A5000 also has 8,192 shading units, 256 TMUs, and 96 ROPs, compared to the M5000's 2,048 shading units, 128 TMUs, and 64 ROPs. The shading unit count alone, a 4:1 ratio, dictates the compute performance gap. The A5000 supports DirectX 12 Ultimate (12_2), while the M5000 tops out at DirectX 12 (12_1), reflecting the newer card's support for features like mesh shaders and variable rate shading.

Memory architecture also diverges sharply. The A5000 uses 24 GB of GDDR6 on a 384-bit bus, delivering 768.0 GB/s of bandwidth. The M5000 has 8 GB of GDDR5 on a 256-bit bus, with 211.6 GB/s. This 3.6x bandwidth advantage and 3x capacity advantage make the A5000 far better suited for large datasets and high-resolution textures. The A5000 also supports PCIe 4.0 x16 versus the M5000's PCIe 3.0 x16, doubling the theoretical host interface bandwidth.

Head-to-Head Benchmarks

The two shared benchmarks tell a stark story. In Geekbench OpenCL, the RTX A5000 scores 157,905 against the Quadro M5000's 29,481, a 435.6% lead. This is not a marginal improvement; it is a five-fold increase in raw compute throughput, reflecting the A5000's 27.77 TFLOPS FP32 performance versus the M5000's 4.252 TFLOPS. The A5000's FP16 performance matches its FP32 at 27.77 TFLOPS, while the M5000 has no FP16 data recorded, suggesting it either lacks efficient FP16 support or it was not tested.

In Geekbench Vulkan, the A5000 scores 137,828 against 32,931 for the M5000, a 318.5% lead. Vulkan is a modern low-overhead API, and the Maxwell architecture's lack of dedicated ray tracing or tensor hardware shows here. The A5000's 64 RT cores and 256 tensor cores accelerate workloads that the M5000 must handle through brute-force shader computation, if it can handle them at all.

The A5000's other benchmarks, PassMark DirectX 9 at 251, DirectX 10 at 153, DirectX 11 at 187, DirectX 12 at 87, G2D at 1,032, G3D at 22,541, and GPU compute at 12,455, have no M5000 equivalents in the data. This absence is itself informative: the M5000 was either not tested on these workloads or could not complete them. The A5000's 3DMark Steel Nomad DX12 score of 3,783 further demonstrates its modern API readiness, a test the older card likely cannot run.

Specification Differences

The two cards differ in nearly every specification category. The A5000's base clock is 1,170 MHz with a boost of 1,695 MHz, while the M5000 runs at 861 MHz base and 1,038 MHz boost. Memory clocks differ similarly: the A5000 uses 2,000 MHz (16 Gbps effective) GDDR6, while the M5000 uses 1,653 MHz (6.6 Gbps effective) GDDR5. The A5000's memory bandwidth of 768.0 GB/s dwarfs the M5000's 211.6 GB/s.

Pixel and texture rates follow the same pattern. The A5000 achieves 162.7 GPixel/s and 433.9 GTexel/s, versus the M5000's 66.43 GPixel/s and 132.9 GTexel/s. Power draw differs: the A5000 has a 230 W TDP with a 1x 8-pin connector and a 550 W suggested PSU, while the M5000 draws 150 W with a 1x 6-pin connector and a 450 W suggested PSU. Both are dual-slot cards of identical length (267 mm), with the A5000 slightly taller at 112 mm versus 111 mm.

Display outputs also differ. The A5000 offers 4x DisplayPort 1.4a, while the M5000 provides 1x DVI plus 4x DisplayPort 1.2. The A5000's DisplayPort 1.4a supports higher resolutions and refresh rates over the older 1.2 standard. API support is nearly identical for OpenGL (4.6 on both) and Vulkan (1.4 on both), but DirectX differs: 12 Ultimate for the A5000 versus 12 (12_1) for the M5000. Release dates are six years apart, April 2021 for the A5000, June 2015 for the M5000, and both are end-of-life.

FAQ

Q: Why is the RTX A5000 so much faster in Geekbench OpenCL?

A: The A5000 scores 157,905 versus 29,481, a 435.6% lead. This stems from its 8,192 shading units and 27.77 TFLOPS FP32 performance, compared to the M5000's 2,048 shading units and 4.252 TFLOPS. The A5000 also has 256 tensor cores that can accelerate certain compute workloads.

Q: Does the Quadro M5000 support ray tracing?

A: No. The M5000 has no RT cores listed in its specifications, while the A5000 includes 64 RT cores. The A5000's DirectX 12 Ultimate support enables hardware-accelerated ray tracing, which the Maxwell-based M5000 cannot perform.

Q: How much more memory bandwidth does the A5000 have?

A: The A5000 delivers 768.0 GB/s from 24 GB of GDDR6 on a 384-bit bus. The M5000 provides 211.6 GB/s from 8 GB of GDDR5 on a 256-bit bus. That is a 3.6x bandwidth advantage and a 3x capacity advantage for the A5000.

Q: Are both cards still in production?

A: No. Both are listed as end-of-life. The A5000 was released in April 2021, succeeding Quadro Turing and preceding Workstation Ada. The M5000 was released in June 2015, succeeding Quadro Kepler and preceding Quadro Pascal.

Q: Which card has better Vulkan performance?

A: The A5000 wins decisively with a Geekbench Vulkan score of 137,828 versus 32,931, a 318.5% lead. The A5000's modern Ampere architecture and dedicated hardware features give it a massive advantage in this low-overhead API.

Q: How do their power requirements compare?

A: The A5000 has a 230 W TDP with a 550 W suggested PSU and a 1x 8-pin connector. The M5000 draws 150 W with a 450 W suggested PSU and a 1x 6-pin connector. The A5000 requires more power but delivers substantially higher performance per watt in compute tasks.

The Verdict

The data makes the choice unambiguous for modern workloads: the RTX A5000 is the superior card in every measured category. It wins both head-to-head benchmarks by margins of 318.5% and 435.6%, offers 24 GB of memory versus 8 GB, supports DirectX 12 Ultimate versus 12_1, and includes RT and tensor cores that the M5000 lacks entirely. Any workstation task involving compute, rendering, machine learning inference, or modern API utilization should use the A5000 without question.

The Quadro M5000's case rests on legacy scenarios. Its 76th percentile ranking, achieved on just two benchmarks, shows it was a strong card in its era. For users running software locked to older DirectX 9 or 10 pipelines, the M5000's lower 150 W TDP and simpler 6-pin power requirement might be adequate, but the data cannot confirm this since no legacy benchmark scores exist for the M5000 in this dataset. Its 8 GB of GDDR5 memory and 211.6 GB/s bandwidth remain workable for small to medium datasets, but the A5000's 768.0 GB/s and 24 GB capacity are in a different class.

The verdict is not close. The A5000's 78th percentile versus the M5000's 76th might suggest parity, but that is misleading, the percentiles are computed from different benchmark suites of vastly different sizes. On shared tests, the A5000 is 3-5x faster. For any new purchase or upgrade, the RTX A5000 is the only defensible choice. The Quadro M5000 belongs in legacy systems or as a low-power secondary card for basic display tasks, where its 150 W draw and 6-pin connector offer simplicity that the A5000's 230 W requirement cannot match.