AMD FirePro W8000 vs NVIDIA RTX A4000 Comparison

The AMD FirePro W8000 and NVIDIA RTX A4000 represent two distinct eras of workstation graphics, separated by nearly a decade of architectural evolution. The data shows a decisive performance victory for the RTX A4000, which wins both shared benchmark tests by a massive margin. However, the FirePro W8000 retains a higher percentile ranking among all GPUs (75th versus 72nd), a quirk that stems from its average benchmark score of 29,211 being higher than the RTX A4000’s 26,683. This discrepancy highlights how different benchmark suites and scoring methodologies can produce conflicting overall rankings, even when direct head-to-head comparisons are lopsided. The RTX A4000 is the clear choice for modern workloads, but the FirePro W8000’s legacy status and unique feature set make it a curious artifact for specific, legacy-oriented use cases.

The Verdict

The NVIDIA RTX A4000 is the unequivocal winner in raw compute performance, delivering a 76.9% higher score in Geekbench OpenCL (105,739 vs. 24,440) and a 73.4% higher score in Geekbench Vulkan (127,645 vs. 33,981) compared to the AMD FirePro W8000. For any user running modern compute or graphics workloads, the RTX A4000 is the only rational choice based on these numbers. Its 16 GB of GDDR6 memory (versus 4 GB GDDR5) and 448.0 GB/s bandwidth (versus 176.0 GB/s) provide a generational leap in data handling capacity. The RTX A4000 also offers hardware-accelerated ray tracing with 48 RT cores and 192 tensor cores, features entirely absent from the older FirePro. The FirePro W8000 does retain one statistical advantage: its 75th percentile ranking versus the RTX A4000’s 72nd, driven by its average benchmark score of 29,211 being 2,528 points higher. This could suggest the FirePro performs relatively better in certain legacy benchmark suites not included in the head-to-head comparison, but the two shared tests show a dominant RTX A4000 victory. The FirePro W8000 is only viable for users with legacy software dependencies that require its specific GCN 1.0 architecture or its SDI display output, which is not present on the RTX A4000.

Architecture Differences

The architectural divide between these two GPUs is stark. The AMD FirePro W8000 is built on the Tahiti chip using the GCN 1.0 architecture, fabricated on a 28 nm process at TSMC. It packs 4,313 million transistors into a 352 mm² die, yielding a transistor density of 12.3 million per square millimeter. In contrast, the NVIDIA RTX A4000 uses the GA104 chip on the Ampere architecture, manufactured by Samsung on an 8 nm process. It contains 17,400 million transistors on a 392 mm² die, achieving a much higher density of 44.4 million per square millimeter. This four-fold increase in transistor density is a direct result of the newer process node, enabling the RTX A4000 to house vastly more compute resources. The FirePro W8000 has 1,792 shading units, 112 texture mapping units, and 32 ROPs. The RTX A4000 nearly quadruples the shading units to 6,144, doubles the TMUs to 192, and triples the ROPs to 96. Additionally, the RTX A4000 introduces 48 dedicated RT cores for ray tracing and 192 tensor cores for AI acceleration, hardware that the FirePro W8000 lacks entirely. The FirePro’s FP32 throughput is 3.226 TFLOPS, while the RTX A4000 reaches 19.17 TFLOPS, a 5.9x advantage. The RTX A4000 also supports FP16 at a 1:1 ratio (19.17 TFLOPS), a feature not listed for the FirePro.

Head-to-Head Benchmarks

The only two direct comparisons available in the data are Geekbench OpenCL and Geekbench Vulkan, and both show overwhelming NVIDIA dominance. In Geekbench OpenCL, the RTX A4000 scores 105,739 against the FirePro W8000’s 24,440, a delta of -76.9% for the AMD card. This means the RTX A4000 is roughly 4.3 times faster in this compute-heavy test. The Vulkan test tells a similar story: the RTX A4000 hits 127,645, while the FirePro W8000 manages only 33,981, a -73.4% delta. The RTX A4000 is about 3.8 times faster here. These results are consistent with the raw specifications: the RTX A4000’s 19.17 TFLOPS FP32 performance versus 3.226 TFLOPS for the FirePro, and its 448.0 GB/s memory bandwidth versus 176.0 GB/s. The RTX A4000’s PCIe 4.0 x16 interface also doubles the bandwidth of the FirePro’s PCIe 3.0 x16, reducing data transfer bottlenecks. The FirePro W8000 wins zero head-to-head benchmarks, while the RTX A4000 wins both. The FirePro’s higher overall percentile (75th vs. 72nd) is an outlier driven by its average score of 29,211, which exceeds the RTX A4000’s 26,683, but this does not translate into any shared benchmark victory.

Specification Differences

The two cards differ across nearly every specification field. The RTX A4000 has a base clock of 735 MHz and a boost clock of 1,560 MHz, while the FirePro W8000 has no base or boost clock listed, only a memory clock of 1,375 MHz (5.5 Gbps effective). The RTX A4000’s memory runs at 1,750 MHz (14 Gbps effective). Memory capacity is 16 GB of GDDR6 for the RTX A4000 versus 4 GB of GDDR5 for the FirePro, with the bus width identical at 256 bits. Bandwidth jumps from 176.0 GB/s to 448.0 GB/s. The RTX A4000 has 6,144 shading units, 192 TMUs, and 96 ROPs, versus 1,792, 112, and 32 respectively. Pixel rate is 149.8 GPixel/s for the RTX A4000 versus 28.80 GPixel/s for the FirePro, and texture rate is 299.5 GTexel/s versus 100.8 GTexel/s. FP32 performance is 19.17 TFLOPS versus 3.226 TFLOPS. The RTX A4000 also lists FP16 at 19.17 TFLOPS (1:1), a field absent for the FirePro. Power consumption is lower for the RTX A4000 at 140 W TDP versus 225 W, and it uses a single 6-pin power connector instead of two. The suggested PSU is 300 W versus 550 W. The RTX A4000 is a single-slot card, while the FirePro is dual-slot. The RTX A4000 uses PCIe 4.0 x16 versus PCIe 3.0 x16. Display outputs are 4x DisplayPort 1.4a for NVIDIA versus 4x DisplayPort 1.2 plus 1x SDI for AMD. The RTX A4000 supports DirectX 12 Ultimate (12_2), Vulkan 1.4, and OpenGL 4.6; the FirePro supports DirectX 12 (11_1), Vulkan 1.2.170, and OpenGL 4.6. Dimensions are 241 mm x 112 mm for the RTX A4000 versus 279 mm x 111 mm for the FirePro. Release dates are 2021-04-11 for the RTX A4000 and 2012-06-13 for the FirePro. The RTX A4000’s predecessor is Quadro Turing and its successor is Workstation Ada, while the FirePro’s predecessor is FirePro Terascale and its successor is Radeon Pro Polaris. The FirePro has a launch MSRP of 1,599 USD; the RTX A4000 has no launch MSRP listed.

FAQ

Q: Which GPU is faster in compute benchmarks?

A: The NVIDIA RTX A4000 is significantly faster. In Geekbench OpenCL, it scores 105,739 versus the AMD FirePro W8000’s 24,440, a 76.9% difference. In Geekbench Vulkan, it scores 127,645 versus 33,981, a 73.4% difference.

Q: Does the AMD FirePro W8000 beat the RTX A4000 in any benchmark?

A: No. The head-to-head data shows the RTX A4000 winning both Geekbench OpenCL and Geekbench Vulkan, with the FirePro earning zero wins. However, the FirePro has a higher percentile rank (75th vs. 72nd) and a higher average benchmark score (29,211 vs. 26,683).

Q: What are the memory differences between the two cards?

A: The RTX A4000 has 16 GB of GDDR6 memory with a 256-bit bus and 448.0 GB/s bandwidth. The FirePro W8000 has 4 GB of GDDR5 memory with the same 256-bit bus but only 176.0 GB/s bandwidth.

Q: Does the RTX A4000 support ray tracing?

A: Yes, the RTX A4000 has 48 dedicated RT cores. The FirePro W8000 has no RT cores listed, and its GCN 1.0 architecture predates hardware ray tracing.

Q: Which card has lower power requirements?

A: The RTX A4000 has a 140 W TDP and suggests a 300 W PSU, using a single 6-pin connector. The FirePro W8000 has a 225 W TDP, suggests a 550 W PSU, and requires two 6-pin connectors.

Q: What are the API support differences?

A: The RTX A4000 supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, while the FirePro W8000 supports DirectX 12 (11_1) and Vulkan 1.2.170. Both support OpenGL 4.6.

Where Each One Wins

The NVIDIA RTX A4000 wins decisively in every measurable performance category. Its 19.17 TFLOPS FP32 throughput dwarfs the FirePro’s 3.226 TFLOPS, making it suitable for modern simulation, rendering, and AI inference workloads. The 16 GB memory capacity and 448.0 GB/s bandwidth allow it to handle large datasets and high-resolution textures that would exhaust the FirePro’s 4 GB frame buffer. The presence of 48 RT cores and 192 tensor cores enables ray-traced rendering and DLSS-style acceleration, features completely absent from the older card. The RTX A4000’s lower 140 W TDP and single-slot design make it easier to integrate into dense workstation builds, and its PCIe 4.0 interface provides faster host communication. The FirePro W8000’s only advantages are its higher percentile rank (75th vs. 72nd) and its unique 1x SDI display output, which the RTX A4000 lacks. This SDI output could be critical for legacy broadcast or video-production environments that rely on serial digital interface connections. The FirePro’s higher average benchmark score of 29,211 versus 26,683 also suggests it may perform better in certain older benchmark suites not included in the head-to-head tests, potentially making it a viable option for running legacy software that is optimized for GCN 1.0 architecture. For any modern workload, the RTX A4000 is the clear winner based on the data. For users with specific SDI hardware requirements or legacy software dependencies, the FirePro W8000 holds a narrow niche, but its 4 GB memory and 3.226 TFLOPS FP32 performance are severe limitations in today’s computing landscape.