AMD FirePro W5100 vs AMD Radeon RX 7900 XT Comparison

The AMD Radeon RX 7900 XT and the AMD FirePro W5100 represent two vastly different eras of graphics hardware, with a generational gap that is immediately visible in the benchmark data. While both cards are now listed as end-of-life products, the comparison highlights a stark divergence in compute capability and API modernisation. The RX 7900 XT dominates every shared benchmark, but the FirePro W5100’s professional pedigree and lower power footprint create a distinct, if limited, use case.

Head-to-Head Benchmarks

The two cards share only two benchmark entries in the data, making the comparison straightforward and decisive. In Geekbench OpenCL, the RX 7900 XT scores 12,756 points against the FirePro W5100’s 11,888 points. This yields a 7.3% advantage for the newer card, a significant but not overwhelming lead in raw compute throughput. The result is notable because OpenCL is a legacy compute API; the FirePro’s GCN 2.0 architecture was designed for such workloads, yet it still trails by a measurable margin.

The Geekbench Vulkan test tells an entirely different story. Here, the RX 7900 XT produces a score of 71,068, while the FirePro W5100 manages just 13,805 points. That is a 414.8% difference, meaning the RX 7900 XT is over five times faster. This is not a marginal improvement; it is a generational chasm. Vulkan is a modern, low-overhead API that relies on hardware features the FirePro simply does not possess, such as advanced asynchronous compute and updated shader capabilities.

Across the broader benchmark suite, the RX 7900 XT’s average benchmark score is 13,745, compared to the FirePro W5100’s 12,847. This places the RX 7900 XT at the 55th percentile of all GPUs, while the FirePro W5100 sits at the 52nd percentile. Interestingly, the RX 7900 XT’s nearest rivals include the AMD Radeon 660M with an average score of 13,812 (a -0.5% delta) and the NVIDIA RTX A2000 Mobile at 13,821 (also -0.5%). The FirePro W5100’s closest competitor is the AMD Radeon Pro 455 at 12,831, with a negligible 0.1% delta. These figures show that while the RX 7900 XT leads in this pairing, it is not an outlier; the FirePro W5100 is similarly well-matched to its own peers.

In specific DirectX tests, the RX 7900 XT shows mixed results. Its Passmark DirectX 11 score is 340, DirectX 9 is 322, and DirectX 10 is 158. The Passmark G3D score is 29,009, with a GPU compute score of 16,828. These numbers are not directly comparable to the FirePro’s limited data, but they reinforce the RX 7900 XT’s broad capability. The FirePro W5100 simply lacks entries for these tests, likely due to its age and driver focus.

Architecture Differences

The architectural gap between these two cards is profound. The RX 7900 XT is built on the Navi 31 chip using RDNA 3.0 architecture, manufactured on a 5 nm process at TSMC. It contains 57,700 million transistors on a 529 mm² die, resulting in a transistor density of 109.1M per mm². In contrast, the FirePro W5100 uses the Bonaire chip with GCN 2.0 architecture, built on a 28 nm process. This older node houses just 2,080 million transistors on a 160 mm² die, with a density of 13.0M per mm². The difference in manufacturing technology is not merely incremental; the RX 7900 XT packs over 27 times more transistors into roughly three times the die area.

Memory configurations are equally divergent. The RX 7900 XT features 20 GB of GDDR6 memory on a 320-bit bus, delivering 800.0 GB/s of bandwidth. The FirePro W5100 offers 4 GB of GDDR5 on a 128-bit bus, with 96.00 GB/s bandwidth. The RX 7900 XT’s memory runs at 2500 MHz (20 Gbps effective), while the FirePro’s runs at 1500 MHz (6 Gbps effective). This translates to an over 8x bandwidth advantage for the newer card, critical for high-resolution textures and compute workloads.

Compute resources are where the RX 7900 XT pulls ahead decisively. It has 5,376 shading units, 336 texture mapping units (TMUs), and 192 raster operation units (ROPs). The FirePro W5100 has 768 shading units, 48 TMUs, and 16 ROPs. Additionally, the RX 7900 XT includes 84 ray tracing cores, a feature entirely absent from the FirePro. Pixel rate for the RX 7900 XT is 459.6 GPixel/s, compared to 14.88 GPixel/s for the FirePro. Texture rate is 804.4 GTexel/s versus 44.64 GTexel/s. The FP32 compute performance is 51.48 TFLOPS for the RX 7900 XT, while the FirePro manages 1,428.5 GFLOPS (approximately 1.43 TFLOPS). The RX 7900 XT also supports FP16 at 103.0 TFLOPS (2:1 ratio), which the FirePro does not list.

API support further separates the pair. The RX 7900 XT supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The FirePro W5100 supports DirectX 12 (12_0), OpenGL 4.6, and Vulkan 1.2.170. The RX 7900 XT’s newer DirectX feature level and higher Vulkan version enable features like mesh shaders and variable rate shading, which are unavailable on the older card. Power requirements also differ sharply: the RX 7900 XT has a 300 W TDP with dual-slot cooling and two 8-pin connectors, while the FirePro W5100 sips 50 W in a single-slot design with no external power connectors. The suggested PSU is 700 W for the RX 7900 XT versus 250 W for the FirePro.

Where Each One Wins

The RX 7900 XT wins in every measurable category where both cards have data. In the head-to-head benchmarks, it takes both Geekbench OpenCL and Vulkan tests, with the Vulkan margin being particularly lopsided. For gamers and content creators, the RX 7900 XT’s 20 GB memory, ray tracing cores, and massive FP32 throughput make it suitable for modern AAA titles, 3D rendering, and AI inference workloads. Its Passmark G3D score of 29,009 and GPU compute score of 16,828 indicate strong performance in DirectX-based applications and general-purpose compute. The card’s 84 ray tracing cores provide hardware acceleration for ray-traced effects, a feature no amount of driver optimisation can add to the FirePro.

The FirePro W5100, despite losing every benchmark, has its own niche. Its 50 W TDP and single-slot design make it ideal for legacy systems with limited power delivery and physical space. The card supports four DisplayPort 1.2 outputs, which is actually more display outputs than the RX 7900 XT’s configuration of one HDMI 2.1a, two DisplayPort 2.1, and one USB Type-C. For multi-monitor setups in professional environments that do not require modern APIs, the FirePro’s display flexibility could be a deciding factor. Its 4 GB GDDR5 memory is sufficient for older CAD or medical imaging applications that rely on OpenGL 4.6, which both cards support equally.

The FirePro’s nearest rivals in the data include the NVIDIA GeForce GTX 590 and AMD Radeon 740M, with average scores within 0.2% of its own. This suggests the FirePro is competitive within its own generation. In contrast, the RX 7900 XT’s rivals include the AMD Radeon RX 9070 XT, which is only 1.5% ahead, and the RX 570X, which is 0.9% behind. The RX 7900 XT is a solid performer among modern cards, but not a class leader.

The Verdict

The data is unambiguous: the AMD Radeon RX 7900 XT is the superior product in almost every technical aspect. It wins both head-to-head benchmarks, offers over 27 times the transistor count, 8 times the memory bandwidth, and 36 times the FP32 compute performance. For anyone running modern games, rendering 3D scenes, or using Vulkan-based applications, the RX 7900 XT is the only choice between these two. Its 55th percentile ranking among all GPUs, while not elite, puts it ahead of the FirePro’s 52nd percentile.

However, the verdict is not a blanket dismissal of the FirePro W5100. For a system where power consumption is critical, the FirePro’s 50 W TDP versus the RX 7900 XT’s 300 W is a 6x difference. Its single-slot form factor and lack of external power connectors make it easy to install in compact workstations. The four DisplayPort outputs are a genuine advantage for multi-monitor setups. If the workload is limited to OpenGL 4.6 and does not require Vulkan 1.4 or DirectX 12 Ultimate features, the FirePro can still function adequately, though it will be slower. The RX 7900 XT is for users who need maximum performance and modern features. The FirePro W5100 is for users who need minimal power draw and maximum display output in a legacy environment.

FAQ

Q: Which card wins in Geekbench OpenCL?

A: The AMD Radeon RX 7900 XT wins with a score of 12,756, which is 7.3% higher than the FirePro W5100’s 11,888.

Q: How large is the Vulkan performance gap?

A: The RX 7900 XT scores 71,068 in Geekbench Vulkan, while the FirePro W5100 scores 13,805. This gives the RX 7900 XT a 414.8% advantage.

Q: Does the FirePro W5100 support ray tracing?

A: No. The FirePro W5100 has no ray tracing cores listed in its specifications, while the RX 7900 XT includes 84 ray tracing cores.

Q: What are the memory capacities of each card?

A: The RX 7900 XT has 20 GB of GDDR6 memory with 800.0 GB/s bandwidth. The FirePro W5100 has 4 GB of GDDR5 memory with 96.00 GB/s bandwidth.

Q: Which card has a higher power consumption?

A: The RX 7900 XT has a 300 W TDP and requires a 700 W suggested PSU. The FirePro W5100 has a 50 W TDP and only needs a 250 W suggested PSU.

Q: Are both cards end-of-life products?

A: Yes, both the AMD Radeon RX 7900 XT and the AMD FirePro W5100 are listed with a production status of "End-of-life."