NVIDIA GeForce MX550 vs NVIDIA RTX A5000 Comparison

The NVIDIA RTX A5000 and NVIDIA GeForce MX550 occupy opposite ends of the GPU spectrum, yet their average benchmark scores land surprisingly close together. The RTX A5000, a workstation-class Ampere part, delivers an average benchmark score of 33,294, while the MX550, a low-power Turing laptop chip, trails only slightly at 33,209. This places both in the 77th percentile of all GPUs, with the RTX A5000 holding a mere 0.3% aggregate advantage. However, this narrow overall margin masks a dramatic divergence in raw compute performance. The RTX A5000 produces 27.77 TFLOPS of FP32 compute against the MX550’s 2.703 TFLOPS — a tenfold difference that shows up clearly in specific workloads.

Head-to-Head Benchmarks

The two Geekbench results paint an unambiguous picture of compute superiority for the RTX A5000. In the Geekbench OpenCL test, the RTX A5000 scores 155,247, while the MX550 manages 34,198. This represents a 354% advantage for the workstation card — the largest single-test gap between the two parts. The RTX A5000’s 8,192 shading units, operating at a boost clock of 1695 MHz, simply overwhelm the MX550’s 1,024 shading units at 1320 MHz. The Vulkan result tells a similar story: the RTX A5000 posts 137,199 versus the MX550’s 32,220, a 325.8% lead. These are not marginal wins; they are decisive compute victories that reflect the fundamental architectural gulf between a 28,300-million-transistor GA102 die and a 4,700-million-transistor TU117SB chip.

The head-to-head benchmark data records 2 wins for the RTX A5000 and 0 for the MX550. Yet the average benchmark scores suggest a closer contest than these deltas imply. The RTX A5000’s average of 33,294 comes from a broader suite of tests, including PassMark DirectX 9, 10, 11, and 12 runs, plus G2D, G3D, and GPU compute benchmarks. The MX550’s average of 33,209 is derived solely from its two Geekbench scores. This means the MX550’s aggregate standing is computed from a narrower data set, which can inflate its relative position when compared against the RTX A5000’s more comprehensive testing profile. The RTX A5000’s nearest rival is the AMD Radeon Pro 570 at 33,258 (a 0.1% delta), followed by the MX550 at 33,209 (0.3% delta), the GeForce RTX 3050 Mobile at 33,170 (0.4% delta), and the T550 Mobile at 33,161 (0.4% delta). For the MX550, its nearest rival is the RTX 3050 Mobile at 33,170 (0.1% delta), then the T550 Mobile at 33,161 (0.1% delta), the Radeon Pro 570 at 33,258 (-0.1% delta), and finally the RTX A5000 at 33,294 (-0.3% delta).

FAQ

Q: Which GPU has the higher raw FP32 compute throughput?

A: The NVIDIA RTX A5000 delivers 27.77 TFLOPS of FP32 performance, which is more than ten times the MX550’s 2.703 TFLOPS. This aligns with the Geekbench OpenCL result, where the RTX A5000 leads by 354%.

Q: Do the two GPUs support the same DirectX feature level?

A: No. The RTX A5000 supports DirectX 12 Ultimate (12_2), while the MX550 is limited to DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4.

Q: How do their memory subsystems compare?

A: The RTX A5000 features 24 GB of GDDR6 memory on a 384-bit bus, yielding 768.0 GB/s of bandwidth. The MX550 has 2 GB of GDDR6 on a 64-bit bus, providing 96.00 GB/s. The RTX A5000’s memory bandwidth is 8 times higher.

Q: Which GPU has ray tracing and tensor core hardware?

A: Only the RTX A5000 includes dedicated hardware for these features, with 64 RT cores and 256 tensor cores. The MX550 has no RT cores or tensor cores listed.

Q: What is the power consumption difference?

A: The RTX A5000 has a 230 W TDP and requires a single 8-pin power connector, with a suggested 550 W PSU. The MX550 has a 25 W TDP, uses no external power connectors, and has no suggested PSU rating.

Q: Are both GPUs still in production?

A: Both are end-of-life parts. The RTX A5000 was released on 2021-04-11, and the MX550 on 2021-12-16.

Architecture Differences

The two GPUs come from entirely different architectural generations and target different market segments. The RTX A5000 is built on the Ampere architecture using the GA102 chip, fabricated on Samsung’s 8 nm process. This process node packs 28,300 million transistors into a 628 mm² die, achieving a transistor density of 45.1 million per square millimeter. The MX550 uses the older Turing architecture with the TU117SB chip, manufactured by TSMC on a 12 nm process. Its die holds 4,700 million transistors across 200 mm², for a density of 23.5 million per square millimeter. The RTX A5000’s die is over three times larger in area and holds six times more transistors.

These architectural differences manifest in every processing unit count. The RTX A5000 has 8,192 shading units, 256 texture mapping units (TMUs), and 96 render output units (ROPs). The MX550 has 1,024 shading units, 32 TMUs, and 16 ROPs. The RTX A5000 also includes 64 RT cores and 256 tensor cores, enabling hardware-accelerated ray tracing and AI workloads — features entirely absent from the MX550, which lists no RT or tensor core counts. This is the defining architectural split: the RTX A5000 is a full-featured workstation accelerator, while the MX550 is a stripped-down mobile graphics chip focused on basic rendering and power efficiency.

The memory architecture reinforces this divide. The RTX A5000 uses a 384-bit memory bus with 24 GB of GDDR6, producing a pixel rate of 162.7 GPixel/s and a texture rate of 433.9 GTexel/s. The MX550’s 64-bit bus and 2 GB GDDR6 yield a pixel rate of 21.12 GPixel/s and a texture rate of 42.24 GTexel/s. The RTX A5000’s memory clock runs at 2000 MHz (16 Gbps effective), while the MX550’s runs at 1500 MHz (12 Gbps effective). Both FP16 and FP32 throughput are identical within each card — the RTX A5000 at 27.77 TFLOPS and the MX550 at 2.703 TFLOPS — indicating no specialized FP16 acceleration path in either design.

Specification Differences

The specification sheets reveal stark contrasts in nearly every measurable category. The RTX A5000 operates with a base clock of 1170 MHz and a boost clock of 1695 MHz; the MX550 runs at 1065 MHz base and 1320 MHz boost. Memory capacity differs by a factor of twelve: 24 GB versus 2 GB. The bus widths are 384-bit versus 64-bit, and memory bandwidth is 768.0 GB/s versus 96.00 GB/s. The process node is 8 nm (Samsung) versus 12 nm (TSMC). Transistor counts are 28,300 million versus 4,700 million, with die sizes of 628 mm² versus 200 mm².

Power and physical specifications diverge completely. The RTX A5000 is a dual-slot card measuring 267 mm (10.5 inches) in length and 112 mm (4.4 inches) in height, with a 230 W TDP and one 8-pin power connector. The MX550 is an integrated graphics processor (IGP) with no dimensions listed, a 25 W TDP, and no power connectors. The RTX A5000 connects via PCIe 4.0 x16 and outputs to four DisplayPort 1.4a connectors; the MX550 uses PCIe 4.0 x8 and its display outputs are "Portable Device Dependent," meaning they vary by laptop implementation. Neither card has a listed launch MSRP. The RTX A5000’s generation is "Workstation Ampere (Ax000)," while the MX550 belongs to "GeForce MX (5xx)." The RTX A5000 has a predecessor (Quadro Turing) and successor (Workstation Ada), but the MX550 has neither listed.

The API support also differs. The RTX A5000 supports DirectX 12 Ultimate (12_2), which includes features like ray tracing and mesh shaders at the API level. The MX550 is capped at DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4, so the gap is specific to DirectX feature levels rather than a broad API incompatibility.

Where Each One Wins

The RTX A5000 wins decisively in any workload that leverages its massive compute and memory resources. Its 27.77 TFLOPS of FP32 throughput, 768.0 GB/s of memory bandwidth, and 24 GB of VRAM make it suitable for large-scale 3D rendering, scientific simulation, and machine learning inference — tasks where the MX550’s 2.703 TFLOPS and 96.00 GB/s would become immediate bottlenecks. The RTX A5000’s 64 RT cores and 256 tensor cores provide hardware acceleration for ray-traced visualization and tensor-optimized AI processing, which the MX550 cannot do at the hardware level. In the head-to-head Geekbench tests, the RTX A5000’s 354% OpenCL lead and 325.8% Vulkan lead demonstrate that its compute advantage is not marginal but transformative. Its pixel rate of 162.7 GPixel/s and texture rate of 433.9 GTexel/s, compared to the MX550’s 21.12 GPixel/s and 42.24 GTexel/s, show dominance in fill-rate-limited scenarios as well.

The MX550’s wins are narrower and defined by constraints rather than raw performance. Its 25 W TDP, compared to the RTX A5000’s 230 W, makes it the only viable option for thin-and-light laptops where battery life and thermal limits are paramount. It requires no external power connector and has no suggested PSU, while the RTX A5000 demands a 550 W PSU and dual-slot chassis space. The MX550’s 12 nm process from TSMC, while older, is paired with a much smaller die (200 mm² versus 628 mm²), which translates to lower manufacturing costs per wafer and simpler integration into compact devices. For basic productivity tasks, 2D desktop rendering, and video playback, the MX550’s 1,024 shading units at 1320 MHz are sufficient, and its 2 GB GDDR6 meets the minimum requirements for light gaming at reduced settings. The MX550’s average benchmark score of 33,209, despite being drawn from only two tests, indicates that in certain synthetic workloads it holds its own against far more expensive hardware. The data suggests that the MX550 is not a performance competitor to the RTX A5000, but rather a complementary product for a different physical and power envelope — one where the RTX A5000 cannot operate at all.