Intel HD Graphics 530 vs NVIDIA Quadro P1000 Comparison

Intel HD Graphics 530 and NVIDIA Quadro P1000 occupy vastly different positions in the graphics landscape, and the benchmark data quantifies that chasm precisely. The Intel part is an integrated graphics processor (IGP) embedded in Skylake mobile chips, while the Quadro P1000 is a discrete, single-slot workstation card built on NVIDIA's Pascal architecture. Despite both earning a 20th percentile ranking among all GPUs, their average benchmark scores tell a more nuanced story: the HD 530 averages 3332, while the Quadro P1000 averages 3163 — a counterintuitive result given the discrete card's massive wins in individual tests. This discrepancy stems from the P1000's inclusion of legacy DirectX 9/10/11/12 and 2D tests in its benchmark suite, which drag down its average, whereas the Intel part only has three Geekbench scores. The head-to-head comparison reveals a clear hierarchy, but the full picture requires examining each benchmark category and architectural philosophy.

Head-to-Head Benchmarks

The two Geekbench tests shared by both GPUs deliver unambiguous results. In Geekbench OpenCL, the Quadro P1000 scores 13584 against the HD 530's 3550, a delta of -73.9% for the Intel part. This means the Quadro is roughly 3.8 times faster in raw compute workloads that leverage OpenCL. The margin is even starker in Geekbench Vulkan: the P1000 hits 7739, while the HD 530 manages just 1422, a -81.6% delta. The discrete card outperforms the IGP by a factor of 5.4 in Vulkan-based rendering tasks. These are not marginal improvements — they represent a generational leap in capable throughput.

The HD 530's best showing comes in Geekbench Metal, where it scores 5025, though this test is absent from the Quadro's benchmark list. Notably, the HD 530's OpenCL score of 3550 is actually lower than its Metal score, suggesting the integrated GPU's compute performance varies significantly by API. The Quadro's Vulkan score (7739) alone exceeds the HD 530's entire benchmark portfolio average (3332) by over 4000 points. Across the two shared tests, the P1000 wins both, giving it a 2-0 record in head-to-head matchups. The Intel part's zero wins underscore how completely the discrete GPU dominates in these compute-oriented workloads.

Where Each One Wins

The data indicates the Quadro P1000 is the unequivocal choice for any task leveraging OpenCL or Vulkan APIs. Its 13584 OpenCL score places it in a different performance tier entirely — the HD 530's 3550 score is closer to the GeForce GT 730M (3316) and GeForce 920M (3287) in its nearest rivals list than to the Quadro. For professionals running CAD, simulation, or scientific workloads that offload to GPU compute, the P1000's 1.894 TFLOPS FP32 throughput and 59.20 GTexel/s texture rate provide the muscle needed for complex geometry and data processing. The HD 530's 364.8 GFLOPS FP32 and 22.80 GTexel/s are adequate only for light desktop acceleration or basic media playback.

The HD 530 does not win any benchmark category outright, but its integrated nature offers a different kind of advantage that numbers cannot capture. As an IGP with system-shared memory and a 15 W TDP, it requires no additional power connectors, no cooling solution beyond the CPU's, and fits into any motherboard with a compatible socket. The Quadro P1000, by contrast, demands a PCIe 3.0 x16 slot, a 200 W suggested PSU, and occupies a single-slot profile measuring 150 mm in length. For users with constrained chassis or power budgets, the HD 530's efficiency is its win condition. In the nearest rivals list, the HD 530's 3550 OpenCL score sits 0.5% above the GeForce GT 730M and 1.4% above the GeForce 920M, indicating it competes with entry-level discrete GPUs from several years prior.

Architecture Differences

The two GPUs diverge fundamentally at the architecture level. The HD 530 uses Intel's Generation 9.0 architecture on a Skylake GT2 chip, built on a 14 nm+ process at Intel's foundry. Its die size is 123 mm². The Quadro P1000 employs NVIDIA's Pascal architecture on the GP107 chip, fabricated by Samsung on a 14 nm process, with a slightly larger 132 mm² die. The P1000 packs 3,300 million transistors, achieving a density of 25.0M per mm², while the HD 530's transistor count is not disclosed. This transistor budget translates into a massive core disparity: the Quadro has 640 shading units, 40 texture mapping units (TMUs), and 32 raster output units (ROPs), versus the HD 530's 192 shaders, 24 TMUs, and just 3 ROPs.

Clock speeds compound the core advantage. The P1000 runs at a 1266 MHz base and 1480 MHz boost, while the HD 530 sits at 350 MHz base and 950 MHz boost. Memory configurations are entirely different classes: the Quadro has 4 GB of dedicated GDDR5 on a 128-bit bus delivering 80.19 GB/s bandwidth, whereas the HD 530 relies on system-shared memory with bandwidth described as "System Dependent." The pixel and texture rates reflect this: the P1000 achieves 47.36 GPixel/s and 59.20 GTexel/s, compared to the HD 530's 2.850 GPixel/s and 22.80 GTexel/s. FP32 compute shows a 5.2x gap (1.894 TFLOPS vs 364.8 GFLOPS), though the Intel part actually leads in FP16 with 729.6 GFLOPS (2:1 ratio) versus the Quadro's 29.60 GFLOPS (1:64 ratio) — an anomaly suggesting the HD 530's architecture is tuned for half-precision workloads.

Feature sets also differ. The Quadro supports 4x mini-DisplayPort 1.4a outputs, while the HD 530's display outputs are motherboard-dependent. Both support DirectX 12 (12_1) and OpenGL 4.6, but the Quadro offers Vulkan 1.4 support versus the HD 530's Vulkan 1.3. The P1000's predecessor is Quadro Maxwell, and its successor is Quadro Volta, placing it in a clear product lineage. The HD 530 has no listed predecessor or successor. Power consumption tells the efficiency story: the P1000 has a 47 W TDP and requires no external power connectors, while the HD 530 sips just 15 W as an IGP.

The Verdict

Based strictly on benchmark results, the NVIDIA Quadro P1000 is the superior choice for any compute-intensive or graphics-accelerated workload. Its OpenCL score of 13584 represents a 282% improvement over the HD 530's 3550, and its Vulkan score of 7739 is 444% higher than the Intel part's 1422. The P1000's dedicated 4 GB GDDR5 memory with 80.19 GB/s bandwidth eliminates the bottleneck of system-shared memory, making it suitable for professional applications that require consistent, high-throughput rendering. The 640 shading units and 32 ROPs allow it to handle geometry and pixel fill rates that the HD 530's 192 shaders and 3 ROPs cannot approach.

However, the HD 530 is not without a niche. Its 15 W TDP and IGP form factor make it ideal for ultra-portable notebooks or low-power desktops where the Quadro's 47 W TDP and 150 mm board length are impractical. The HD 530's FP16 throughput of 729.6 GFLOPS exceeds the Quadro's 29.60 GFLOPS, suggesting potential utility in AI inference or media processing that relies on half-precision arithmetic. Its 20th percentile ranking places it alongside the GeForce GT 730M (0.5% delta) and GeForce 920M (1.4% delta), confirming it trades blows with 2013-2014 era entry-level discrete GPUs. Users who never run OpenCL or Vulkan applications — those who need only basic desktop rendering, video playback, and light productivity — will find the HD 530 sufficient, provided their motherboard supports it.

The Quadro P1000's nearest rivals list includes the Intel Arc Pro B60 (-0.6% delta), GeForce GT 640 (-1.5%), and GeForce 920M (-3.8%), showing it clusters with mid-range older discrete cards. Its average score of 3163 is dragged down by low DirectX 9/10/11 scores (79, 21, 31 respectively) that reflect legacy API performance, not modern capability. For workstation users running contemporary software, the P1000's 4512 Passmark G3D score and 1891 GPU compute score provide a more relevant performance picture.

FAQ

Q: Which GPU has a higher average benchmark score?

A: The Intel HD Graphics 530 averages 3332, while the NVIDIA Quadro P1000 averages 3163. However, this is misleading because the P1000 includes nine benchmark tests, including low legacy DirectX scores, whereas the HD 530 only has three Geekbench results.

Q: How much faster is the Quadro P1000 in Vulkan?

A: The Quadro P1000 scores 7739 in Geekbench Vulkan, which is 81.6% higher than the HD 530's 1422. This represents a 5.4x performance advantage.

Q: What is the FP32 compute difference?

A: The Quadro P1000 delivers 1.894 TFLOPS of FP32 performance, compared to the HD 530's 364.8 GFLOPS. This is a 5.2x difference in favor of the Quadro.

Q: Does the HD 530 have any compute advantage?

A: Yes, in FP16 (half-precision) workloads, the HD 530 achieves 729.6 GFLOPS versus the Quadro P1000's 29.60 GFLOPS. The HD 530 uses a 2:1 FP16 ratio, while the Quadro uses a 1:64 ratio.

Q: What are the memory configurations?

A: The Quadro P1000 has 4 GB of GDDR5 on a 128-bit bus with 80.19 GB/s bandwidth. The HD 530 uses system-shared memory with type and bandwidth described as "System Shared" and "System Dependent."

Q: Which GPU supports newer Vulkan?

A: The NVIDIA Quadro P1000 supports Vulkan 1.4, while the Intel HD Graphics 530 supports Vulkan 1.3. Both support DirectX 12 (12_1) and OpenGL 4.6.

Specification Differences

| Specification | Intel HD Graphics 530 | NVIDIA Quadro P1000 |

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

| Chip | Skylake GT2 | GP107 |

| Architecture | Generation 9.0 | Pascal |

| Process Node | 14 nm+ | 14 nm |

| Foundry | Intel | Samsung |

| Transistors | Not listed | 3,300 million |

| Die Size | 123 mm² | 132 mm² |

| Transistor Density | Not listed | 25.0M / mm² |

| Base Clock | 350 MHz | 1266 MHz |

| Boost Clock | 950 MHz | 1480 MHz |

| Memory Size | System Shared | 4 GB |

| Memory Type | System Shared | GDDR5 |

| Memory Bus Width | System Shared | 128 bit |

| Memory Bandwidth | System Dependent | 80.19 GB/s |

| Shading Units | 192 | 640 |

| TMUs | 24 | 40 |

| ROPs | 3 | 32 |

| Pixel Rate | 2.850 GPixel/s | 47.36 GPixel/s |

| Texture Rate | 22.80 GTexel/s | 59.20 GTexel/s |

| FP32 Performance | 364.8 GFLOPS | 1.894 TFLOPS |

| FP16 Performance | 729.6 GFLOPS (2:1) | 29.60 GFLOPS (1:64) |

| TDP | 15 W | 47 W |

| Slot Width | IGP | Single-slot |

| Power Connectors | None | None |

| Suggested PSU | Not listed | 200 W |

| Bus Interface | Ring Bus | PCIe 3.0 x16 |

| Display Outputs | Motherboard Dependent | 4x mini-DisplayPort 1.4a |

| Vulkan Support | 1.3 | 1.4 |

| Dimensions (Length) | Not listed | 150 mm / 5.9 inches |

| Dimensions (Height) | Not listed | 69 mm / 2.7 inches |

| Release Date | 2015-08-31 | 2017-02-06 |

| Predecessor | Not listed | Quadro Maxwell |

| Successor | Not listed | Quadro Volta |