AMD Radeon HD 6770 vs Intel HD Graphics 530 Comparison

The Verdict

The benchmark data presents a surprisingly close contest between two GPUs from different eras. The AMD Radeon HD 6770 and Intel HD Graphics 530 are separated by less than 3% in their only shared benchmark, with the AMD part taking a narrow 2.8% lead in Geekbench OpenCL. The AMD Radeon HD 6770 sits at the 22nd percentile of all GPUs, while the Intel HD Graphics 530 sits just behind at the 20th percentile. For users who need a dedicated graphics card that can still handle OpenCL workloads, the HD 6770 is the pick, as it also offers dedicated GDDR5 memory and a far higher pixel fill rate. The Intel HD Graphics 530, however, is the choice for systems where power consumption is critical, as its 15 W TDP is dramatically lower than the 108 W of the AMD card, and it supports newer API features including DirectX 12 and Vulkan 1.3. The data suggests these are not competitors in the traditional sense, but rather solutions for different use cases — the AMD card for legacy desktop upgrades, the Intel part for integrated graphics in Skylake systems.

Architecture Differences

The two GPUs come from fundamentally different design philosophies. The AMD Radeon HD 6770 is built on the TeraScale 2 architecture using a 40 nm process at TSMC, featuring 1,040 million transistors on a 166 mm² die. The Intel HD Graphics 530 uses the Generation 9.0 architecture on a 14 nm+ process at Intel, with a 123 mm² die size and no transistor count listed. The process node difference is substantial — 40 nm versus 14 nm+ — which explains the massive disparity in power consumption.

The compute resource allocation tells a clear story. The AMD card fields 800 shading units, 40 texture mapping units, and 16 ROPs. The Intel part has just 192 shading units, 24 TMUs, and only 3 ROPs. This 4.2x advantage in shading units for AMD translates directly into its 1,360.0 GFLOPS of FP32 performance versus Intel's 364.8 GFLOPS. However, the Intel HD Graphics 530 does support FP16 at 729.6 GFLOPS with a 2:1 ratio, which the AMD card does not list.

Memory architecture could not be more different. The AMD Radeon HD 6770 uses 1,024 MB of dedicated GDDR5 on a 128-bit bus, delivering 76.80 GB/s of bandwidth. The Intel HD Graphics 530 uses system-shared memory with a system-dependent bandwidth, meaning its performance is heavily influenced by the host system's RAM configuration. The AMD card also has a 4.8 Gbps effective memory clock, while Intel's memory clock is listed simply as "System Shared."

The feature sets diverge sharply on API support. The AMD card supports DirectX 11.2 (11_0) and OpenGL 4.4, with no Vulkan support listed. The Intel part supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.3. This makes the Intel GPU significantly more future-proof for modern applications that leverage newer graphics APIs.

Head-to-Head Benchmarks

The only direct benchmark comparison available is Geekbench OpenCL, where the AMD Radeon HD 6770 scores 3,649 against the Intel HD Graphics 530's 3,550. That is a 2.8% delta in favor of AMD. For context, this is a remarkably tight margin given the architectural gulf between the two. The AMD card's 800 shading units and dedicated memory bandwidth give it a theoretical advantage, but the Intel part's newer architecture and higher clock speeds of 950 MHz boost (versus the AMD card's unlisted base and boost clocks) narrow the gap significantly.

The Intel HD Graphics 530 has additional benchmark data that shows its strengths in other areas. It scores 5,025 in Geekbench Metal and 1,422 in Geekbench Vulkan. These results are not directly comparable to the AMD card, which has no Metal or Vulkan scores listed, but they demonstrate that the Intel iGPU is well-suited to those modern API workloads. The Metal score of 5,025 is notably higher than its OpenCL score of 3,550, suggesting the Intel architecture performs better under Metal's execution model.

Looking at the rival comparisons provides further context. The AMD Radeon HD 6770's nearest rival is the NVIDIA GeForce GTX 1050, with a delta of just 0.6% in AMD's favor (3,649 vs 3,629). The Intel HD Graphics 530's nearest rival is the NVIDIA GeForce GT 730M, again with AMD... rather, Intel ahead by 0.5% (3,550 vs 3,316 for the GT 730M? No — the delta is 0.5% with the GT 730M at 3,316 and Intel at 3,550, so Intel leads by 7%). The rival data shows both GPUs are firmly in the low-end performance tier, trading blows with older NVIDIA mobile and entry-level desktop parts.

FAQ

Q: Which GPU has better raw compute performance in OpenCL?

A: The AMD Radeon HD 6770 takes a 2.8% lead in Geekbench OpenCL, scoring 3,649 versus Intel HD Graphics 530's 3,550.

Q: Does the Intel HD Graphics 530 support newer graphics APIs?

A: Yes, it supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.3, while the AMD Radeon HD 6770 only lists DirectX 11.2 (11_0) and OpenGL 4.4.

Q: How do their power requirements compare?

A: The AMD Radeon HD 6770 has a 108 W TDP and needs a 300 W PSU with a 1x 6-pin connector. The Intel HD Graphics 530 has a 15 W TDP and requires no power connectors as an integrated GPU.

Q: What memory configurations do they use?

A: The AMD card has 1,024 MB of dedicated GDDR5 on a 128-bit bus with 76.80 GB/s bandwidth. The Intel iGPU uses system-shared memory with system-dependent bandwidth.

Q: Which GPU has better pixel throughput?

A: The AMD Radeon HD 6770 delivers 13.60 GPixel/s, which is roughly 4.8x higher than the Intel HD Graphics 530's 2.850 GPixel/s.

Q: Are these GPUs still in production?

A: No, both are listed as end-of-life products. The AMD card was released on 2011-01-20, and the Intel part on 2015-08-31.

Where Each One Wins

The AMD Radeon HD 6770 wins decisively in several categories that matter for gaming and compute on older systems. Its OpenCL score of 3,649 edges out Intel's 3,550, and its shading unit count of 800 versus 192 gives it a massive advantage in shader-heavy workloads. The dedicated GDDR5 memory with 76.80 GB/s bandwidth is a clear win over system-shared memory, as is the 13.60 GPixel/s pixel rate versus 2.850 GPixel/s. For users running legacy DirectX 11 titles or OpenCL compute tasks, the AMD card offers superior performance per the data.

The Intel HD Graphics 530 wins in power efficiency and modern API support. Its 15 W TDP is a fraction of the AMD card's 108 W, making it ideal for laptops and low-power desktops. The support for DirectX 12 (12_1) and Vulkan 1.3 means it can run modern games and applications that require these APIs, which the AMD card cannot. The Metal score of 5,025 also suggests strong performance on macOS or Metal-based workloads. The Intel part's boost clock of 950 MHz, while not directly comparable to the AMD card's unlisted clocks, shows a modern efficiency-focused design.

Specification Differences

| Specification | AMD Radeon HD 6770 | Intel HD Graphics 530 |

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

| Architecture | TeraScale 2 | Generation 9.0 |

| Process Node | 40 nm | 14 nm+ |

| Foundry | TSMC | Intel |

| Die Size | 166 mm² | 123 mm² |

| Transistors | 1,040 million | Not listed |

| Shading Units | 800 | 192 |

| TMUs | 40 | 24 |

| ROPs | 16 | 3 |

| Pixel Rate | 13.60 GPixel/s | 2.850 GPixel/s |

| Texture Rate | 34.00 GTexel/s | 22.80 GTexel/s |

| FP32 | 1,360.0 GFLOPS | 364.8 GFLOPS |

| FP16 | Not listed | 729.6 GFLOPS (2:1) |

| TDP | 108 W | 15 W |

| Memory Size | 1,024 MB | System Shared |

| Memory Type | GDDR5 | System Shared |

| Memory Bus | 128 bit | System Shared |

| Memory Bandwidth | 76.80 GB/s | System Dependent |

| Memory Clock | 1,200 MHz (4.8 Gbps effective) | System Shared |

| DirectX | 11.2 (11_0) | 12 (12_1) |

| OpenGL | 4.4 | 4.6 |

| Vulkan | Not listed | 1.3 |

| Slot Width | Dual-slot | IGP |

| Power Connectors | 1x 6-pin | None |

| Suggested PSU | 300 W | Not listed |

| Bus Interface | PCIe 2.0 x16 | Ring Bus |

| Display Outputs | 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1 | Motherboard Dependent |

| Launch MSRP | 129 USD | Not listed |

| Release Date | 2011-01-20 | 2015-08-31 |