AMD FirePro W8000 vs AMD Radeon HD 7970 Comparison

Head-to-Head Benchmarks

The recorded data shows a single head-to-head benchmark between these two cards, and it is a decisive victory for the AMD Radeon HD 7970. In the Geekbench OpenCL test, the HD 7970 scores 34,541 points, while the AMD FirePro W8000 manages 24,440 points. That is a 41.3% advantage for the HD 7970, which is a massive gap in compute performance. To put that in context, the HD 7970 sits in the 79th percentile of all GPUs in the database, while the FirePro W8000 lands in the 75th percentile. The difference in percentile ranking is modest, but the raw score gap is substantial.

Looking at the nearest rivals in the database helps contextualize these numbers. The HD 7970's average benchmark score of 34,541 places it within 0.1% of the NVIDIA T1000 8 GB (34,561), within 0.4% of the NVIDIA A2 (34,690), and it is 0.5% ahead of the NVIDIA TITAN V (34,355). The HD 7970 also edges out the NVIDIA RTX A1000 by 1% (34,207). So while the HD 7970 is an older part, its compute throughput in OpenCL remains competitive with much newer professional and datacenter cards.

The FirePro W8000, on the other hand, has an average benchmark score of 29,211 across its recorded tests. This places it essentially level with the AMD Radeon RX Vega M GH (29,197, a 0% delta) and the Intel Arc A370M (29,175, a 0.1% delta). It is 0.7% ahead of the AMD Radeon RX 470 (28,996) and 1.2% ahead of the AMD Radeon RX 6800M (28,874). The FirePro W8000's OpenCL score of 24,440 is notably lower than its Vulkan score of 33,981, which suggests OpenCL is not its strongest API. However, the HD 7970's OpenCL result stands as the only direct comparison point, and it is clearly the winner.

The HD 7970 wins the head-to-head benchmark count by 1 to 0. There is no benchmark in the database where the FirePro W8000 comes out ahead. The 41.3% delta in OpenCL is the single most important number here, as it indicates substantial compute superiority for the HD 7970 in this specific workload.

Architecture Differences

Both cards are built on the same fundamental architecture, which makes their performance differences even more interesting. They share the Tahiti chip, the GCN 1.0 architecture, and are fabricated on TSMC's 28 nm process node. Both have 4,313 million transistors on a 352 mm² die, giving them an identical transistor density of 12.3 million transistors per square millimeter. This is the same silicon at heart, just configured differently.

The HD 7970 is part of the Southern Islands generation (HD 7900 series), while the FirePro W8000 belongs to the FirePro GCN (Wx000) generation. The HD 7970 was released earlier, on January 8, 2012, while the FirePro W8000 followed on June 13, 2012. Both are end-of-life products now, with the HD 7970's predecessor being Northern Islands and its successor Sea Islands, while the FirePro W8000's predecessor is FirePro Terascale and its successor is Radeon Pro Polaris.

The core configurations differ significantly. The HD 7970 has 2,048 shading units, 128 texture mapping units, and 32 raster operations pipelines. The FirePro W8000 is cut down: it has 1,792 shading units, 112 TMUs, and the same 32 ROPs. This means the HD 7970 has 14.3% more shaders and 14.3% more TMUs, which directly translates to higher theoretical throughput. The pixel rate for the HD 7970 is 29.60 GPixel/s versus 28.80 GPixel/s for the FirePro W8000, and the texture rate is 118.4 GTexel/s versus 100.8 GTexel/s. The FP32 compute rating is 3.789 TFLOPS for the HD 7970 and 3.226 TFLOPS for the FirePro W8000.

Memory is another major divergence. The HD 7970 has 3 GB of GDDR5 on a 384-bit bus, yielding 264.0 GB/s of bandwidth. The FirePro W8000 has 4 GB of GDDR5 on a 256-bit bus, yielding only 176.0 GB/s of bandwidth. That is a 50% bandwidth advantage for the HD 7970, which matters greatly for memory-bound workloads. Both run their memory at 1375 MHz (5.5 Gbps effective), but the wider bus on the HD 7970 is the key differentiator.

Power characteristics also differ. The HD 7970 has a 250 W TDP and requires a 600 W suggested PSU, with 1x 6-pin and 1x 8-pin power connectors. The FirePro W8000 has a 225 W TDP and a 550 W suggested PSU, with 2x 6-pin connectors. Both are dual-slot cards. The physical dimensions are close: 275 mm (10.8 inches) long for the HD 7970 versus 279 mm (11 inches) for the FirePro W8000, both 111 mm (4.4 inches) tall, with the HD 7970 being 38 mm (1.5 inches) wide.

Display outputs differ substantially. The HD 7970 offers 1x DVI, 1x HDMI 1.4a, and 2x mini-DisplayPort 1.2. The FirePro W8000 provides 4x DisplayPort 1.2 and 1x SDI, which is a professional video output configuration. Both support DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170, so API support is identical.

Where Each One Wins

The HD 7970 wins in raw compute performance. Its OpenCL score of 34,541 versus 24,440 for the FirePro W8000 is a 41.3% margin, and that gap is driven by more shading units, more TMUs, a wider memory bus, and higher clocked pixel and texture rates. For any workload that relies on general-purpose GPU compute, shader throughput, or memory bandwidth, the HD 7970 is clearly the stronger card. The 50% bandwidth advantage alone can be decisive in data-heavy tasks like rendering large textures, physics simulations, or machine learning inference.

The FirePro W8000 wins in memory capacity. It has 4 GB versus 3 GB, which is 33% more VRAM. For workloads that need to hold larger datasets in local memory, such as certain CAD models, medical imaging, or video processing buffers, the extra gigabyte can prevent spills to system memory. The FirePro W8000 also has a more professional display output configuration with 4x DisplayPort 1.2 and 1x SDI, which makes it more suitable for multi-monitor professional setups or broadcast environments where SDI output is required.

The FirePro W8000 also has a lower TDP of 225 W versus 250 W for the HD 7970, and it requires a 550 W PSU instead of 600 W. This makes it slightly easier to integrate into existing workstations with smaller power supplies, and it generates less heat under load. The HD 7970's higher power draw is the price of its higher performance.

In terms of API-specific performance, the database records a Vulkan score of 33,981 for the FirePro W8000, which is close to the HD 7970's OpenCL score of 34,541. This suggests the FirePro W8000 is more competitive in Vulkan workloads than in OpenCL, but there is no head-to-head Vulkan comparison available. The HD 7970 has no recorded Vulkan score in the database, so its Vulkan performance cannot be directly compared.

The Verdict

The data points to a clear choice for compute-focused users: the AMD Radeon HD 7970. It outperforms the FirePro W8000 by 41.3% in OpenCL, has a wider memory bus, higher texture and pixel rates, and more shading units. Its 79th percentile ranking versus the FirePro's 75th percentile confirms it is the stronger overall GPU in the database's measurements. If your workload is compute-bound, such as rendering, simulation, or data processing, the HD 7970 is the better card, and it also carries a launch MSRP of 549 USD compared to the FirePro W8000's 1,599 USD.

The AMD FirePro W8000 is the better choice when you need more memory capacity or professional display outputs. Its 4 GB of VRAM exceeds the HD 7970's 3 GB, and its 4x DisplayPort 1.2 plus 1x SDI configuration is designed for professional multi-display or broadcast use. The lower 225 W TDP and 550 W PSU requirement also make it easier to slot into existing workstations. Its Vulkan score of 33,981 shows respectable compute capability, even if its OpenCL performance lags.

For most users comparing these two, the HD 7970 is the superior product on raw performance metrics. The FirePro W8000's advantages are niche: memory capacity and output flexibility. If neither of those is a hard requirement, the HD 7970 is the rational pick. If you need the extra gigabyte or the SDI output, the FirePro W8000 justifies its existence, but you pay a significant compute penalty for those features.

FAQ

Q: Which card has a higher OpenCL benchmark score?

A: The AMD Radeon HD 7970 scores 34,541 in Geekbench OpenCL, which is 41.3% higher than the AMD FirePro W8000's score of 24,440.

Q: Do both cards use the same GPU chip?

A: Yes, both are based on the Tahiti chip with GCN 1.0 architecture, fabricated on TSMC's 28 nm process, with 4,313 million transistors on a 352 mm² die.

Q: How much memory does each card have?

A: The HD 7970 has 3 GB of GDDR5 on a 384-bit bus, while the FirePro W8000 has 4 GB of GDDR5 on a 256-bit bus. The HD 7970's bandwidth is 264.0 GB/s versus 176.0 GB/s for the FirePro W8000.

Q: Which card has more shading units?

A: The HD 7970 has 2,048 shading units and 128 TMUs, while the FirePro W8000 has 1,792 shading units and 112 TMUs. Both have 32 ROPs.

Q: What are the power requirements for each card?

A: The HD 7970 has a 250 W TDP and requires a 600 W PSU with 1x 6-pin and 1x 8-pin connectors. The FirePro W8000 has a 225 W TDP and requires a 550 W PSU with 2x 6-pin connectors.

Q: Do the cards support the same APIs?

A: Yes, both support DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170.

Specification Differences

| Specification | AMD Radeon HD 7970 | AMD FirePro W8000 |

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

| Generation | Southern Islands (HD 7900) | FirePro GCN (Wx000) |

| Release Date | 2012-01-08 | 2012-06-13 |

| Memory Size | 3 GB | 4 GB |

| Memory Bus Width | 384 bit | 256 bit |

| Memory Bandwidth | 264.0 GB/s | 176.0 GB/s |

| Shading Units | 2048 | 1792 |

| TMUs | 128 | 112 |

| Pixel Rate | 29.60 GPixel/s | 28.80 GPixel/s |

| Texture Rate | 118.4 GTexel/s | 100.8 GTexel/s |

| FP32 Compute | 3.789 TFLOPS | 3.226 TFLOPS |

| TDP | 250 W | 225 W |

| Power Connectors | 1x 6-pin + 1x 8-pin | 2x 6-pin |

| Suggested PSU | 600 W | 550 W |

| Display Outputs | 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2 | 4x DisplayPort 1.2, 1x SDI |

| Length | 275 mm (10.8 inches) | 279 mm (11 inches) |

| Launch MSRP | 549 USD | 1,599 USD |