AMD FirePro D500 vs AMD Radeon HD 7970M Comparison

Head-to-Head Benchmarks

The recorded data contains no direct head-to-head benchmark results between the AMD FirePro D500 and the AMD Radeon HD 7970M. Instead, the database offers each card's average benchmark score from different workloads, which allows for an indirect comparison. The FirePro D500 posts an average benchmark score of 18533, while the Radeon HD 7970M records 17019. This represents an 8.9% advantage for the FirePro D500 in overall measured performance, though the two cards were tested under different benchmark suites: the FirePro D500 ran Geekbench Vulkan, while the Radeon HD 7970M ran Geekbench OpenCL.

Looking at the FirePro D500's nearest rivals, its score of 18533 places it within a tight cluster. It trails the AMD Radeon RX 560X by only 0.5% (that card scores 18626) and the AMD Radeon Pro 5700 XT by 0.8% (18685). Conversely, it leads the Intel Arc A770M by 0.8% (18383) and the AMD Radeon RX 460 by 0.9% (18373). The FirePro D500 sits at the 62nd percentile among all GPUs in the database, meaning it outperforms roughly six out of every ten recorded graphics cards.

For the Radeon HD 7970M, its 17019 score shows a similar clustering pattern. It is 0.1% behind the NVIDIA GeForce GTX 690 (17037) and 0.4% behind the AMD Radeon RX 7600 XT (17083), while leading the NVIDIA Tesla M4 by 0.5% (16932). The largest gap among its rivals is with the NVIDIA GeForce RTX 3070, which outscores it by 1.1% (17208). The HD 7970M holds the 60th percentile among all GPUs, two points lower than the FirePro D500.

The performance delta between the two cards is modest in absolute terms. The FirePro D500's 1514-point advantage translates to roughly 8.9% more compute throughput in the respective benchmark workloads. However, the different benchmark types (Vulkan versus OpenCL) mean this gap should not be treated as a universal metric; it merely reflects the recorded scores in the database. What the data does show is that the FirePro D500 lands in a slightly higher performance tier, with its nearest rivals including newer architectures like the Radeon Pro 5700 XT, while the HD 7970M competes with cards like the RTX 3070 and RX 7600 XT.

Architecture Differences

Both GPUs share the same fundamental architecture, GCN 1.0, and are fabricated by TSMC on a 28 nm process node. This common foundation means the instruction set, API support, and core design philosophy are identical. Both cards support DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170, so feature-level software compatibility is the same.

The silicon itself diverges significantly. The FirePro D500 uses the Tahiti chip, which contains 4,313 million transistors on a 352 mm² die, yielding a transistor density of 12.3 million per square millimeter. The Radeon HD 7970M uses the Wimbledon chip, a smaller die at 212 mm² with 2,800 million transistors, giving it a higher density of 13.2 million per square millimeter. Despite the smaller physical size, Wimbledon packs transistors more tightly, though Tahiti's larger die allows for more total hardware resources.

That resource advantage shows in the compute units. The FirePro D500 fields 1536 shading units, 96 texture mapping units, and 32 raster operation pipelines. The HD 7970M reduces this to 1280 shading units and 80 texture mapping units, while keeping the same 32 ROPs. The extra 256 shading units and 16 TMUs in the FirePro D500 directly translate to higher theoretical throughput: 2.227 TFLOPS of FP32 compute versus 2.176 TFLOPS, and 69.60 GTexel/s texturing versus 68.00 GTexel/s.

Memory architecture differs as well. The FirePro D500 carries 3 GB of GDDR5 on a 384-bit bus, delivering 243.8 GB/s of bandwidth. The HD 7970M has 2 GB of GDDR5 on a narrower 256-bit bus, capping at 153.6 GB/s. That 90.2 GB/s bandwidth gap is substantial and likely influences performance in memory-heavy workloads. The FirePro D500's memory clock runs at 1270 MHz (5.1 Gbps effective), while the HD 7970M's memory is clocked at 1200 MHz (4.8 Gbps effective).

Power and physical design are starkly different. The FirePro D500 is a dual-slot workstation card with a 274 W TDP and a suggested 600 W power supply, measuring 279 mm (11 inches) in length. The HD 7970M is an MXM module with a 100 W TDP, no power connectors, and dimensions that are portable-device dependent. The FirePro D500 outputs video through six mini-DisplayPort 1.2 connections plus one SDI output, while the HD 7970M's display outputs are described as portable device dependent.

The generational context also differs. The FirePro D500 belongs to the FirePro Data Center (Dx00) generation and was released on 2014-01-17. Its predecessor is FirePro Terascale, and its successor is Radeon Instinct. The HD 7970M belongs to the London (HD 7900M) generation, released on 2012-04-23, with predecessor Vancouver and successor Solar System. Both are end-of-life products.

FAQ

Q: Which card has more shading units?

A: The AMD FirePro D500 has 1536 shading units, compared to 1280 on the AMD Radeon HD 7970M.

Q: What is the memory bandwidth difference?

A: The FirePro D500 delivers 243.8 GB/s over a 384-bit bus with 3 GB of GDDR5. The HD 7970M provides 153.6 GB/s over a 256-bit bus with 2 GB of GDDR5. The FirePro D500 has 90.2 GB/s more bandwidth.

Q: Are the architectures the same?

A: Yes, both use GCN 1.0 architecture and are built on TSMC's 28 nm process. They also share identical API support: DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170.

Q: Which card has a higher FP32 compute throughput?

A: The FirePro D500 achieves 2.227 TFLOPS, while the HD 7970M achieves 2.176 TFLOPS. The FirePro D500 is about 2.3% higher.

Q: How do their power requirements compare?

A: The FirePro D500 has a 274 W TDP and requires a 600 W suggested power supply, while the HD 7970M has a 100 W TDP and uses an MXM module form factor with no power connectors.

Q: What is the pixel fill rate for each?

A: The HD 7970M has a higher pixel rate at 27.20 GPixel/s, compared to 23.20 GPixel/s for the FirePro D500, despite the FirePro D500's higher overall compute throughput.

Specification Differences

| Specification | AMD FirePro D500 | AMD Radeon HD 7970M |

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

| Chip | Tahiti | Wimbledon |

| Generation | FirePro Data Center (Dx00) | London (HD 7900M) |

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

| Die Size | 352 mm² | 212 mm² |

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

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

| Memory Size | 3 GB | 2 GB |

| Memory Bus Width | 384 bit | 256 bit |

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

| Shading Units | 1536 | 1280 |

| TMUs | 96 | 80 |

| ROPs | 32 | 32 |

| Pixel Rate | 23.20 GPixel/s | 27.20 GPixel/s |

| Texture Rate | 69.60 GTexel/s | 68.00 GTexel/s |

| FP32 Performance | 2.227 TFLOPS | 2.176 TFLOPS |

| TDP | 274 W | 100 W |

| Slot Width | Dual-slot | MXM Module |

| Power Connectors | Not specified | None |

| Suggested PSU | 600 W | Not specified |

| Bus Interface | PCIe 3.0 x16 | MXM-B (3.0) |

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

| Dimensions | 279 mm (11 inches) long | Not specified |

| Release Date | 2014-01-17 | 2012-04-23 |

| Predecessor | FirePro Terascale | Vancouver |

| Successor | Radeon Instinct | Solar System |

| Average Benchmark Score | 18533 | 17019 |

| Percentile vs All GPUs | 62 | 60 |

Where Each One Wins

The benchmark data gives the FirePro D500 the overall edge, with its 18533 average score outpacing the HD 7970M's 17019. The FirePro D500 also wins on raw compute resources: more shading units (1536 versus 1280), more TMUs (96 versus 80), higher FP32 throughput (2.227 TFLOPS versus 2.176 TFLOPS), and substantially more memory bandwidth (243.8 GB/s versus 153.6 GB/s). For workloads that stress shader compute or memory throughput, the FirePro D500 is the clear choice.

The HD 7970M, however, claims victories in several specific metrics. Its pixel rate of 27.20 GPixel/s exceeds the FirePro D500's 23.20 GPixel/s, suggesting better performance in fill-rate-limited scenarios such as certain rasterization tasks. Its texture rate of 68.00 GTexel/s is nearly on par with the FirePro D500's 69.60 GTexel/s, despite having fewer TMUs, thanks to higher clock efficiency per unit. The HD 7970M also draws dramatically less power (100 W versus 274 W), making it suitable for portable or power-constrained environments, and its MXM form factor means it can slot into laptops or compact systems where a dual-slot workstation card cannot fit.

In terms of benchmark positioning, the FirePro D500 sits at the 62nd percentile versus the HD 7970M's 60th, reinforcing its slight overall performance lead. Yet the HD 7970M's nearest rivals include much newer hardware like the RTX 3070 and RX 7600 XT, with deltas under 1.1%, indicating it remains surprisingly competitive in its tested workload despite its older release date and smaller die.

The Verdict

The data points to a clear split based on use case. The AMD FirePro D500 is the stronger compute performer: it leads in average benchmark score (18533 versus 17019), offers more memory capacity and bandwidth, and packs additional shading units and TMUs. Its dual-slot, 274 W workstation design with six mini-DisplayPort outputs and SDI connectivity makes it suited for fixed, high-throughput environments like rendering farms or professional visualization stations where power draw is not the primary constraint.

The AMD Radeon HD 7970M, by contrast, wins on efficiency and form factor. Its 100 W TDP, MXM module design, and lack of external power connectors make it the only viable option for mobile or compact systems. It also achieves a higher pixel rate (27.20 GPixel/s versus 23.20 GPixel/s), which could benefit certain graphics workloads. Its 60th percentile ranking is close to the FirePro D500's 62nd, so the performance gap is not vast in practice.

For a user choosing between these two end-of-life cards, the decision hinges on the physical environment. If the system can accommodate a full-length, dual-slot card with a 600 W power supply, the FirePro D500 offers superior compute resources, more VRAM, and higher bandwidth. If the platform is a laptop or a small-form-factor chassis requiring an MXM module, the HD 7970M is the only realistic option, delivering respectable performance at a fraction of the power draw. The recorded data does not show a single winner across all metrics; it shows two cards optimized for different deployment scenarios, with the FirePro D500 taking the compute crown and the HD 7970M holding the efficiency and mobility advantage.