AMD FirePro W4100 vs NVIDIA RTX PRO 6000 Blackwell Server Comparison

The NVIDIA RTX PRO 6000 Blackwell Server and the AMD FirePro W4100 represent two extremes of the GPU spectrum, separated by over a decade of architectural evolution. The data places both at the 34th percentile of all GPUs, with nearly identical average benchmark scores (5996 vs 5987), yet their specifications and intended workloads could hardly be more different. This analysis examines the raw numbers to determine what each card actually offers, and to whom, based strictly on the provided facts.

The Verdict

The benchmark data presents a peculiar equality: the RTX PRO 6000 Blackwell Server scores 5996 in 3DMark Steel Nomad DX12, while the FirePro W4100 scores 5987 average across Geekbench OpenCL and Vulkan tests. The delta between them is a mere 0.2% in favor of the NVIDIA card. However, this statistical tie masks a fundamental divide in purpose and capability. The RTX PRO 6000 Blackwell Server is a 600 W, dual-slot, actively produced compute monster with 96 GB of GDDR7 memory, 24,064 shading units, and 126.0 TFLOPS of FP32 performance. The FirePro W4100 is a 50 W, single-slot, end-of-life workstation card from 2014 with 2 GB of GDDR5, 512 shading units, and 645.1 GFLOPS of FP32. The data suggests the RTX PRO 6000 is for professionals needing massive memory and compute throughput for modern workloads, while the FirePro W4100 is a legacy product for basic display output or compatibility with older systems. The benchmark parity is an artifact of different test suites, not genuine performance equivalence. The RTX PRO 6000 is the clear choice for anyone building a current-generation server or high-end workstation, whereas the FirePro W4100 only makes sense for retrofitting ancient machines with minimal power budgets.

FAQ

Q: How do the average benchmark scores compare between the two cards?

A: The RTX PRO 6000 Blackwell Server has an average benchmark score of 5996, while the AMD FirePro W4100 averages 5987. The delta percentage between them is 0.2% in favor of the NVIDIA card, making them statistically indistinguishable in this aggregate metric.

Q: What is the memory capacity difference and why does it matter?

A: The RTX PRO 6000 Blackwell Server features 96 GB of GDDR7 memory on a 512-bit bus, yielding 1.79 TB/s of bandwidth. The FirePro W4100 has only 2 GB of GDDR5 on a 128-bit bus, providing 64.00 GB/s. The NVIDIA card offers 48 times more memory and roughly 28 times more bandwidth, which is critical for large datasets in AI, rendering, or scientific computing.

Q: Are both cards still in production?

A: No. The RTX PRO 6000 Blackwell Server has a production status of "Active" and was released on 2025-03-17. The AMD FirePro W4100 is marked as "End-of-life" and was released on 2014-08-12. This indicates the NVIDIA product is current, while the AMD product is obsolete.

Q: Which card has better API support for modern software?

A: The RTX PRO 6000 Blackwell Server supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The FirePro W4100 supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170. The NVIDIA card has a more recent DirectX feature level and a newer Vulkan version.

Q: What are the power requirements for each card?

A: The RTX PRO 6000 Blackwell Server has a TDP of 600 W, requires a 1x 16-pin power connector, and suggests a 1000 W power supply. The FirePro W4100 has a TDP of 50 W, requires no power connectors, and suggests a 250 W power supply. The FirePro draws 12 times less power.

Q: How do the transistor counts and die sizes compare?

A: The RTX PRO 6000 Blackwell Server uses the GB202 chip with 92,200 million transistors on a 750 mm² die, manufactured on a 5 nm process. The FirePro W4100 uses the Cape Verde chip with 1,500 million transistors on a 123 mm² die, on a 28 nm process. The NVIDIA chip has over 61 times more transistors.

Architecture Differences

The architectural gulf between these two GPUs is immense. The RTX PRO 6000 Blackwell Server is built on the Blackwell 2.0 architecture, using the GB202 chip fabricated on a 5 nm process at TSMC. It integrates 92,200 million transistors into a 750 mm² die, achieving a transistor density of 122.9M per mm². This chip includes 188 ray tracing cores and 752 tensor cores, features that are entirely absent from the older card. The FirePro W4100 is based on GCN 1.0 architecture, using the Cape Verde chip on a 28 nm process. It has 1,500 million transistors on a 123 mm² die, with a density of 12.2M per mm². The GCN design has no dedicated ray tracing or tensor core hardware, reflecting its 2014-era design goals. The RTX PRO 6000 also supports a newer PCIe interface (5.0 x16) compared to the FirePro's PCIe 3.0 x16, enabling faster data transfer with modern host systems. The display outputs differ as well: the NVIDIA card offers 4x DisplayPort 2.1b, while the AMD card has 4x mini-DisplayPort 1.2, indicating different generations of display technology. The production status tells the story: the RTX PRO 6000 is Active with a release date in 2025, while the FirePro W4100 is End-of-life from 2014.

Specification Differences

The specification table highlights dramatic differences across nearly every field. The RTX PRO 6000 Blackwell Server has a base clock of 1590 MHz and a boost clock of 2617 MHz, while the FirePro W4100 lists no base or boost clocks in the data. Memory configurations diverge sharply: 96 GB GDDR7 at 1750 MHz (28 Gbps effective) versus 2 GB GDDR5 at 1000 MHz (4 Gbps effective). The NVIDIA card has 24,064 shading units, 752 TMUs, and 192 ROPs, compared to the AMD card's 512 shading units, 32 TMUs, and 16 ROPs. Pixel rate is 502.5 GPixel/s versus 10.08 GPixel/s, and texture rate is 1,968.0 GTexel/s versus 20.16 GTexel/s. FP32 compute is 126.0 TFLOPS versus 645.1 GFLOPS. The RTX PRO 6000 supports FP16 at 126.0 TFLOPS (1:1), while the FirePro W4100 has no listed FP16 performance. Physical dimensions differ: the NVIDIA card is 267 mm long, 111 mm high, and 40 mm wide, occupying dual slots; the AMD card is 171 mm long, 69 mm high, with no listed width, occupying a single slot. The power connectors and suggested PSU ratings are 1x 16-pin and 1000 W for NVIDIA, versus none and 250 W for AMD. The bus interface is PCIe 5.0 x16 versus PCIe 3.0 x16. The API support shows DirectX 12 Ultimate (12_2) versus DirectX 12 (11_1), with Vulkan 1.4 versus 1.2.170. The predecessor and successor fields also differ: the RTX PRO 6000 follows Server Hopper and precedes Server Rubin, while the FirePro W4100 follows FirePro Terascale and precedes Radeon Pro Polaris.

Head-to-Head Benchmarks

The head-to-head benchmark data is empty, with zero wins for either card in direct comparison tests. However, the individual benchmark results provide some basis for analysis. The RTX PRO 6000 Blackwell Server scored 5996 in 3dmark_3dmark_steel_nomad_dx12, a modern DirectX 12 test. The FirePro W4100 scored 5478 in Geekbench OpenCL and 6496 in Geekbench Vulkan, averaging 5987. The nearest rival data places the RTX PRO 6000 within 0.1% of the NVIDIA GeForce GTX 770M (6000) and AMD Radeon RX 6400 (6001), and 0.2% ahead of the AMD FirePro W4100 itself. The FirePro W4100's nearest rivals include the NVIDIA Quadro K4000M (5986, 0% delta) and the NVIDIA Quadro K4000 (5982, 0.1% delta), with the RTX PRO 6000 listed as a rival at -0.2% delta. This suggests that in the aggregate scoring used by the database, both cards sit in a tight cluster of mid-tier performers, despite their wildly different architectures. The RTX PRO 6000's single benchmark score is 5996, while the FirePro W4100's average is 5987, a difference of 9 points. The FirePro actually scores higher in Vulkan (6496) than the RTX PRO 6000 does in its sole test, but this is likely due to different test methodologies and not indicative of real-world performance parity.

Where Each One Wins

The RTX PRO 6000 Blackwell Server is the definitive winner in any scenario requiring raw compute, memory capacity, or modern feature support. Its 126.0 TFLOPS of FP32 performance is approximately 195 times higher than the FirePro W4100's 645.1 GFLOPS. The 96 GB of GDDR7 memory with 1.79 TB/s bandwidth dwarfs the 2 GB GDDR5 with 64.00 GB/s, making the NVIDIA card suitable for large language model inference, complex scientific simulations, or 8K video editing. The presence of 188 RT cores and 752 tensor cores enables hardware-accelerated ray tracing and AI workloads, which the FirePro cannot handle at all. The PCIe 5.0 interface and DisplayPort 2.1b outputs future-proof the card for next-generation systems and high-refresh-rate displays. The FirePro W4100 wins in power efficiency and physical footprint. Its 50 W TDP requires no auxiliary power connectors and only a 250 W PSU, compared to 600 W and a 1000 W PSU for the NVIDIA card. Its single-slot, 171 mm length design fits in compact chassis where the dual-slot, 267 mm RTX PRO 6000 would not. The FirePro's 4x mini-DisplayPort 1.2 outputs can drive multiple legacy monitors. For a user with a decade-old system needing basic multi-display output without upgrading the power supply, the FirePro W4100 is the only viable choice. For any modern professional workload, the RTX PRO 6000 Blackwell Server is overwhelmingly superior in every measurable category except power draw and physical size. The benchmark parity is a statistical curiosity, not a reflection of capability.