Intel HD Graphics P530 vs NVIDIA GeForce GTX 460M Comparison

Intel HD Graphics P530 and NVIDIA GeForce GTX 460M are both end-of-life mobile graphics solutions, but they represent fundamentally different eras and design philosophies. The data shows a clear overall winner in raw compute performance: the Intel HD Graphics P530, which leads the sole head-to-head benchmark with a 6.2% margin. However, the GTX 460M retains decisive advantages in dedicated memory bandwidth and raw pixel throughput, making the choice between them heavily dependent on the specific workload.

Where Each One Wins

The Intel HD Graphics P530 wins in general-purpose compute and modern API support. Its Geekbench OpenCL score of 4549 places it 6.2% ahead of the GTX 460M’s 4282. This advantage stems from its newer architecture and higher achievable clock speeds, which benefit compute shaders and OpenCL workloads. The P530 also wins on API compatibility, supporting DirectX 12 (12_1) and Vulkan 1.3, whereas the GTX 460M is limited to DirectX 12 (11_0) and has no Vulkan support. This makes the P530 the more future-proof option for software that leverages these newer APIs.

The NVIDIA GeForce GTX 460M wins in scenarios that depend on dedicated memory and rasterization throughput. Its memory subsystem is fundamentally different: 1536 MB of GDDR5 on a 192-bit bus delivers 60.00 GB/s of bandwidth, versus the P530’s system-shared memory with system-dependent bandwidth. The GTX 460M also has a significantly higher pixel rate of 5.400 GPixel/s and texture rate of 21.60 GTexel/s, compared to the P530’s 3.000 GPixel/s and 16.00 GTexel/s. This means the GTX 460M is better equipped for traditional 3D rendering tasks that are fill-rate limited, such as older games or CAD applications that rely on pixel shading.

In terms of overall market position, the two are nearly identical. The P530 sits at the 26th percentile of all GPUs, while the GTX 460M sits at the 25th percentile. Their average benchmark scores reflect this closeness: 4560 for the P530 versus 4282 for the GTX 460M. The P530’s nearest rivals include the AMD Radeon RX 560 (deltaPct -0.2%), showing it trades blows with a discrete card, while the GTX 460M’s nearest rivals include the AMD Radeon Vega 3 (deltaPct 0.3%), indicating it performs in range of integrated graphics from a much later generation.

Architecture Differences

The architectural gap between these two is vast. The Intel HD Graphics P530 is built on Intel’s Generation 9.0 architecture, using the Skylake GT2 chip fabricated on a 14 nm+ process at Intel’s foundry. It has a die size of 123 mm². The NVIDIA GeForce GTX 460M uses the Fermi architecture with the GF106 chip, fabricated on a 40 nm process at TSMC. The NVIDIA chip is considerably larger at 238 mm² and contains 1,170 million transistors, with a transistor density of 4.9M / mm².

Core configuration differs significantly despite both having 192 shading units. The P530 has 16 texture mapping units (TMUs) and only 3 raster output units (ROPs), while the GTX 460M has 32 TMUs and 24 ROPs. This explains the GTX 460M’s higher pixel and texture rates. The P530 compensates with a base clock of 350 MHz and a boost clock of 1000 MHz, whereas the GTX 460M’s core clock is not specified in the data. The memory architecture is the most striking difference: the P530 uses system-shared memory with a system-dependent bus width and bandwidth, while the GTX 460M has dedicated 1536 MB of GDDR5 on a 192-bit bus with a fixed 60.00 GB/s bandwidth.

Power and form factor also diverge. The P530 has a TDP of 15 W and is an IGP (integrated graphics processor) with a Ring Bus interface. The GTX 460M has a TDP of 50 W and comes as an MXM Module with a PCIe 2.0 x16 interface. The P530’s display outputs are motherboard-dependent, while the GTX 460M’s are portable-device-dependent. The P530 supports FP16 compute at 768.0 GFLOPS (2:1 ratio), a feature absent from the GTX 460M’s specification.

Head-to-Head Benchmarks

The only direct benchmark comparison available is Geekbench OpenCL, where the Intel HD Graphics P530 scores 4549 against the NVIDIA GeForce GTX 460M’s 4282. This represents a 6.2% victory for the Intel part. This score is notable because it shows an integrated GPU from 2015 beating a discrete GPU from 2010 in a compute-heavy workload, despite the GTX 460M having higher theoretical FP32 performance (518.4 GFLOPS) compared to the P530 (384.0 GFLOPS). The P530’s advantage likely comes from its much higher boost clock (1000 MHz) and newer architecture with better instruction efficiency.

The P530 also has a Geekbench Vulkan score of 4571, which cannot be directly compared since the GTX 460M has no Vulkan score listed. This absence itself is telling: the Fermi architecture from 2010 lacks Vulkan driver support, making the P530 the only option for Vulkan-based applications. In the context of nearest rivals, the P530’s score of 4549 puts it within 0.2% of the AMD Radeon RX 560 (4569) and 1.2% ahead of the AMD FirePro W4190M (4505). The GTX 460M’s score of 4282 places it 0.3% behind the AMD Radeon Vega 3 (4268) and 1% ahead of the NVIDIA Quadro K3000M (4241).

FAQ

Q: Which GPU has better raw compute performance?

A: The Intel HD Graphics P530 wins the Geekbench OpenCL test with a score of 4549, which is 6.2% higher than the NVIDIA GeForce GTX 460M’s 4282. The P530 also has a Vulkan score of 4571, while the GTX 460M has no Vulkan score.

Q: Does the GTX 460M have any advantages over the P530?

A: Yes, the GTX 460M has a higher pixel rate (5.400 GPixel/s vs 3.000 GPixel/s) and texture rate (21.60 GTexel/s vs 16.00 GTexel/s). It also has dedicated 1536 MB GDDR5 memory with 60.00 GB/s bandwidth, whereas the P530 relies on system-shared memory.

Q: Which GPU is more power-efficient?

A: The Intel HD Graphics P530 has a TDP of 15 W, which is substantially lower than the NVIDIA GeForce GTX 460M’s 50 W TDP. This makes the P530 more suitable for thin-and-light systems.

Q: Which GPU supports newer graphics APIs?

A: The Intel HD Graphics P530 supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.3. The NVIDIA GeForce GTX 460M supports DirectX 12 (11_0) and OpenGL 4.6 but has no Vulkan support.

Q: How do these GPUs compare to their nearest rivals?

A: The P530’s average score of 4560 is nearly identical to the AMD Radeon RX 560 (4569, deltaPct -0.2%). The GTX 460M’s average score of 4282 is within 0.3% of the AMD Radeon Vega 3 (4268).

Q: Which GPU has a larger die and more transistors?

A: The NVIDIA GeForce GTX 460M has a 238 mm² die with 1,170 million transistors on a 40 nm process. The Intel HD Graphics P530 has a 123 mm² die with no transistor count listed, on a 14 nm+ process.

The Verdict

The data points to the Intel HD Graphics P530 as the better overall GPU for modern workloads. It wins the only head-to-head benchmark by 6.2%, supports Vulkan and DirectX 12 (12_1), consumes one-third the power (15 W vs 50 W), and achieves a higher average benchmark score (4560 vs 4282). Its percentile ranking is marginally better (26th vs 25th), and it delivers competitive performance against discrete cards like the AMD Radeon RX 560, which it trails by only 0.2%.

However, the NVIDIA GeForce GTX 460M is not without merit for specific use cases. If a workload is heavily reliant on fill rate — such as legacy 3D applications or low-resolution gaming with high texture detail — the GTX 460M’s superior pixel rate (5.400 GPixel/s) and texture rate (21.60 GTexel/s) provide a tangible advantage. Its dedicated 60.00 GB/s of GDDR5 bandwidth also eliminates the performance variability of system-shared memory, offering more consistent frame pacing in bandwidth-sensitive scenarios.

For users choosing between these two, the decision hinges on software compatibility. If the target applications are modern and leverage Vulkan or DirectX 12 (12_1), the P530 is the only viable choice. If the workload is confined to older DirectX 11 titles or fill-rate-bound rendering, the GTX 460M’s dedicated memory and higher ROP count (24 vs 3) make it the stronger performer. From a pure compute perspective, the P530’s 6.2% lead in OpenCL and its support for FP16 (768.0 GFLOPS) tip the scales in its favor for general-purpose GPU tasks.

Specification Differences

| Specification | Intel HD Graphics P530 | NVIDIA GeForce GTX 460M |

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

| Architecture | Generation 9.0 | Fermi |

| Process Node | 14 nm+ | 40 nm |

| Die Size | 123 mm² | 238 mm² |

| Transistors | Not listed | 1,170 million |

| Transistor Density | Not listed | 4.9M / mm² |

| Base Clock | 350 MHz | Not listed |

| Boost Clock | 1000 MHz | Not listed |

| Memory Size | System Shared | 1536 MB |

| Memory Type | System Shared | GDDR5 |

| Memory Bus Width | System Shared | 192 bit |

| Memory Bandwidth | System Dependent | 60.00 GB/s |

| TMUs | 16 | 32 |

| ROPs | 3 | 24 |

| Pixel Rate | 3.000 GPixel/s | 5.400 GPixel/s |

| Texture Rate | 16.00 GTexel/s | 21.60 GTexel/s |

| FP32 Performance | 384.0 GFLOPS | 518.4 GFLOPS |

| FP16 Performance | 768.0 GFLOPS (2:1) | Not listed |

| TDP | 15 W | 50 W |

| Slot Width | IGP | MXM Module |

| Bus Interface | Ring Bus | PCIe 2.0 x16 |

| DirectX Support | 12 (12_1) | 12 (11_0) |

| Vulkan Support | 1.3 | Not listed |

| Release Date | 2015-08-31 | 2010-09-02 |