AMD FirePro D500 vs AMD Radeon HD 8970M Comparison

Head-to-Head Benchmarks

The benchmark data presents a nuanced picture, as the two GPUs were evaluated under different API workloads. The AMD Radeon HD 8970M was tested with Geekbench OpenCL, while the AMD FirePro D500 was tested with Geekbench Vulkan. This distinction is critical, as it means the raw scores are not directly comparable across the two tests. Instead, the analysis must rely on each GPU's standing relative to its own nearest rivals within the respective benchmark suite.

In the OpenCL test, the Radeon HD 8970M achieved a score of 21,237. This places it at the 66th percentile of all GPUs in the database. Its nearest rival, the AMD Radeon RX Vega M GL, scored 21,153, which is 0.4% lower. The data shows the HD 8970M is essentially neck-and-neck with that competitor. It also sits just 0.7% below the NVIDIA RTX A4000 Mobile, which scored 21,379, and 1.8% below the NVIDIA Quadro RTX 5000, which scored 21,629. Conversely, it is 1% ahead of the NVIDIA GeForce RTX 5050, which scored 21,035.

For the FirePro D500, the Vulkan score of 18,533 puts it at the 62nd percentile of all GPUs. Its closest rival is the AMD Radeon RX 560X, which scored 18,626, a delta of -0.5% for the FirePro. The FirePro D500 is 0.8% ahead of the Intel Arc A770M, which scored 18,383, and 0.9% ahead of the AMD Radeon RX 460, which scored 18,373. It trails the AMD Radeon Pro 5700 XT by 0.8%, as that card scored 18,685.

The recorded data indicates that the HD 8970M's raw OpenCL score is significantly higher than the FirePro D500's Vulkan score. However, this does not translate to a direct performance victory, as the APIs differ. The HD 8970M's percentile ranking (66th) is higher than the FirePro D500's (62nd), suggesting that within their respective test environments, the mobile GPU holds a slightly stronger position relative to the broader GPU landscape. The head-to-head benchmark array is empty, meaning there is no shared test to provide a direct score comparison.

Architecture Differences

Both GPUs are built on the same foundational architecture, GCN 1.0, and are fabricated by TSMC on a 28 nm process node. This shared lineage means they possess identical API support, including DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170. The core design philosophies are the same, but the physical implementations diverge significantly due to their different target markets.

The Radeon HD 8970M uses the Neptune chip, which has a die size of 212 mm² and contains 2,800 million transistors. This results in a transistor density of 13.2 million per mm². In contrast, the FirePro D500 uses the Tahiti chip, a much larger die at 352 mm², housing 4,313 million transistors. Its transistor density is slightly lower at 12.3 million per mm². The FirePro D500's larger die and higher transistor count indicate a more complex and power-hungry design.

The shading resources differ as well. The HD 8970M has 1,280 shading units, 80 texture mapping units (TMUs), and 32 raster operation units (ROPs). The FirePro D500 steps up with 1,536 shading units and 96 TMUs, while keeping the same 32 ROPs. This suggests the FirePro D500 has a higher theoretical compute throughput, which is reflected in its FP32 performance of 2.227 TFLOPS, though the HD 8970M is not far behind at 2.304 TFLOPS. Interestingly, the HD 8970M actually has a slightly higher FP32 figure despite fewer cores, which points to a higher clock speed.

The memory subsystems are a major differentiator. The HD 8970M uses 4 GB of GDDR5 on a 256-bit bus, delivering 153.6 GB/s of bandwidth. The FirePro D500 uses 3 GB of GDDR5 on a wider 384-bit bus, delivering 243.8 GB/s. The FirePro D500's memory clock is 1270 MHz (5.1 Gbps effective), while the HD 8970M's memory runs at 1200 MHz (4.8 Gbps effective). The FirePro D500's bandwidth advantage is substantial, which is typical for a workstation card handling large datasets.

The physical and power characteristics are stark. The HD 8970M is an MXM Module with a 100 W TDP, designed for laptops. The FirePro D500 is a dual-slot card, 279 mm (11 inches) long, with a 274 W TDP and a suggested PSU of 600 W. The FirePro D500 also features 6x mini-DisplayPort 1.2 and 1x SDI outputs, while the HD 8970M's display outputs are listed as portable device dependent.

The Verdict

The data points to two distinct use cases with no clear overall winner. The Radeon HD 8970M, with its higher percentile ranking (66th vs. 62nd) and higher raw OpenCL score, appears better suited for mobile, power-constrained environments. Its 100 W TDP and MXM form factor make it a logical choice for high-performance laptops where space and cooling are limited.

The FirePro D500, on the other hand, is a workstation-centric card. Its 274 W TDP, dual-slot design, and 600 W PSU requirement indicate it is meant for desktop workstations with ample power and cooling. Its memory bandwidth of 243.8 GB/s is significantly higher, which is crucial for professional applications that process large textures or datasets. The 6x mini-DisplayPort outputs also point to multi-display professional setups.

For a mobile user seeking the best compute performance in a laptop, the HD 8970M is the clear pick based on the data. For a professional workstation user requiring high memory bandwidth and multi-display output, the FirePro D500 is the appropriate choice. The HD 8970M has a slight edge in overall percentile ranking, but the FirePro D500's architectural advantages in memory and shading units cannot be ignored for its target market.

FAQ

Q: Which GPU has a higher benchmark percentile ranking?

A: The AMD Radeon HD 8970M ranks at the 66th percentile of all GPUs, while the AMD FirePro D500 ranks at the 62nd percentile.

Q: What is the memory bandwidth difference between the two?

A: The FirePro D500 has a memory bandwidth of 243.8 GB/s, which is significantly higher than the HD 8970M's 153.6 GB/s.

Q: Are they built on the same architecture?

A: Yes, both are based on GCN 1.0 architecture and are fabricated on a 28 nm process by TSMC.

Q: What are their respective TDPs?

A: The HD 8970M has a TDP of 100 W, while the FirePro D500 has a TDP of 274 W.

Q: Which GPU has more shading units?

A: The FirePro D500 has 1,536 shading units, while the HD 8970M has 1,280.

Q: What is the FP32 performance for each?

A: The HD 8970M achieves 2.304 TFLOPS, while the FirePro D500 achieves 2.227 TFLOPS.

Where Each One Wins

The Radeon HD 8970M wins in scenarios that value power efficiency and mobile deployment. Its 100 W TDP is a fraction of the FirePro D500's 274 W, making it suitable for laptops where thermal and power budgets are tight. It also holds a higher benchmark percentile (66th vs. 62nd), indicating stronger relative performance in its test environment. Its FP32 compute is marginally higher at 2.304 TFLOPS, which could benefit general compute workloads in a mobile context.

The FirePro D500 wins decisively in memory-intensive and workstation-oriented tasks. Its 243.8 GB/s bandwidth is 58.7% higher than the HD 8970M's, a critical advantage for professional rendering, video editing, or scientific visualization. Its 1,536 shading units and 96 TMUs provide a wider execution width, which can help in multi-threaded professional workloads. The dual-slot design and 6x mini-DisplayPort outputs make it a natural fit for multi-monitor professional workstations.

The HD 8970M also wins on transistor density, with 13.2 million per mm² versus 12.3 million for the FirePro D500, though this is largely a function of die size and does not translate to a practical performance win. The FirePro D500 wins on raw transistor count and die size, which contribute to its higher memory bandwidth and shading unit count.

Specification Differences

The following table outlines the key differences between the two GPUs based on the recorded data:

| Specification | AMD Radeon HD 8970M | AMD FirePro D500 |

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

| Chip | Neptune | Tahiti |

| Process Node | 28 nm | 28 nm |

| Transistors | 2,800 million | 4,313 million |

| Die Size | 212 mm² | 352 mm² |

| Transistor Density | 13.2M / mm² | 12.3M / mm² |

| Base Clock | 850 MHz | Not specified |

| Boost Clock | 900 MHz | Not specified |

| Memory Clock | 1200 MHz (4.8 Gbps) | 1270 MHz (5.1 Gbps) |

| Memory Size | 4 GB | 3 GB |

| Memory Bus Width | 256 bit | 384 bit |

| Memory Bandwidth | 153.6 GB/s | 243.8 GB/s |

| Shading Units | 1280 | 1536 |

| TMUs | 80 | 96 |

| ROPs | 32 | 32 |

| Pixel Rate | 28.80 GPixel/s | 23.20 GPixel/s |

| Texture Rate | 72.00 GTexel/s | 69.60 GTexel/s |

| FP32 | 2.304 TFLOPS | 2.227 TFLOPS |

| TDP | 100 W | 274 W |

| Slot Width | MXM Module | Dual-slot |

| Suggested PSU | Not specified | 600 W |

| Display Outputs | Portable Device Dependent | 6x mini-DisplayPort 1.2, 1x SDI |

| Length | Not specified | 279 mm (11 inches) |

| Release Date | 2013-05-13 | 2014-01-17 |

| Successor | Gem System | Radeon Instinct |