AMD Radeon PRO W6400 vs NVIDIA GeForce RTX 5070 Comparison

The NVIDIA GeForce RTX 5070 and AMD Radeon PRO W6400 occupy vastly different tiers of the graphics hardware spectrum, separated by generation, architecture, and intent. The RTX 5070 is a current-generation enthusiast card aimed at high-end gaming and professional workloads, while the W6400 is a low-profile, power-efficient workstation solution from AMD's RDNA 2 era. Direct benchmark data reveals a decisive performance gulf, but the two cards serve distinct use cases that go beyond raw compute. This analysis examines their head-to-head results, architectural foundations, and specification differences to clarify where each card stands in the broader hardware landscape.

Head-to-Head Benchmarks

The available head-to-head data paints a stark picture of performance disparity. In the Geekbench OpenCL test, the NVIDIA GeForce RTX 5070 scores 172,660, while the AMD Radeon PRO W6400 manages 35,027. This translates to a 392.9% advantage for the RTX 5070, meaning it delivers nearly five times the raw compute throughput in this API-agnostic workload. Such a margin is not incremental; it represents a generational leap in shading capability, memory bandwidth, and execution resource scaling.

The Geekbench Vulkan result follows the same trend, with the RTX 5070 posting 178,923 against the W6400's 39,286. The delta here is 355.4%, slightly narrower than the OpenCL gap but still overwhelming. Vulkan's lower overhead and more direct hardware access benefit both cards, yet the RTX 5070's superior shader count and memory subsystem allow it to widen the gap in GPU-bound scenarios. The data shows the RTX 5070 wins both tests, securing a 2-0 record in the head-to-head comparisons.

Beyond the direct comparisons, the average benchmark scores contextualize the gap. The RTX 5070 holds an average benchmark score of 40,377 across all recorded tests, including its massive Passmark G3D result of 29,137 and its 3DMark Steel Nomad DX12 score of 5,077. The W6400, with only two benchmark entries, averages 37,157 — a figure that is surprisingly close to the RTX 5070's average when considering the individual test deltas. This is because the W6400's two Geekbench scores, while low in absolute terms, are not as catastrophic relative to the RTX 5070's other workloads. However, the percentile rankings tell a different story: the RTX 5070 sits at the 82nd percentile of all GPUs, while the W6400 rests at the 80th percentile. This close percentile positioning reflects the fact that the RTX 5070's average is dragged down by its low Passmark DirectX 9 and DirectX 12 scores (320 and 108, respectively), which are likely measured under different driver or resolution conditions.

Where Each One Wins

The RTX 5070 wins decisively in every measured performance category. Its architecture is built for high-throughput rendering, with 6,144 shading units and 192 texture mapping units, allowing it to dominate in compute-heavy tasks like 3D rendering, video encoding, and AI inference. The 12 GB GDDR7 memory with 672.0 GB/s bandwidth is ideal for large datasets and high-resolution textures, making it a clear choice for 4K gaming, ray-traced workloads, and professional content creation. The data shows its FP32 compute at 30.87 TFLOPS, which is roughly 8.7 times the W6400's 3.565 TFLOPS — a figure that directly translates to faster simulation and rendering times.

The W6400, by contrast, wins in efficiency and form factor, though not in raw benchmarks. Its 50 W TDP and single-slot design make it suitable for low-profile workstation builds where space and power are constrained. The card requires no external power connectors and suggests a 250 W PSU, compared to the RTX 5070's 250 W TDP, 16-pin connector, and 600 W PSU recommendation. For tasks like basic 2D CAD, office productivity, or multi-monitor setups with DisplayPort 1.4a outputs, the W6400 is a functional choice. Its 4 GB GDDR6 memory is sufficient for light workloads, and its 12 ray tracing cores provide entry-level RT acceleration, though at a fraction of the RTX 5070's 48 RT cores.

The use-case split is clear: the RTX 5070 is for users who need maximum performance in gaming, 3D modeling, or GPU compute, while the W6400 targets low-power, space-constrained professional systems where the performance ceiling is acceptable. The benchmark data does not support any scenario where the W6400 outperforms the RTX 5070; rather, it wins on operational efficiency and cost of integration.

Architecture Differences

The architectural divide between these two GPUs is fundamental. The RTX 5070 uses NVIDIA's Blackwell 2.0 architecture, built on a 5 nm process at TSMC, packing 31,100 million transistors into a 263 mm² die. This yields a transistor density of 118.3M per mm². Blackwell 2.0 introduces enhanced tensor cores (192 in total) and ray tracing cores (48), optimized for the latest DirectX 12 Ultimate and Vulkan 1.4 features. The memory subsystem is GDDR7 on a 192-bit bus, providing 672.0 GB/s of bandwidth, which is critical for feeding the 6,144 shading units.

The W6400 is based on AMD's RDNA 2.0 architecture, fabricated on a 6 nm process, also at TSMC. It contains 5,400 million transistors on a 107 mm² die, with a density of 50.5M per mm² — less than half the RTX 5070's density. RDNA 2.0 is a mature design focused on efficiency per watt, with 768 shading units and 12 ray tracing cores. Its memory is GDDR6 on a 64-bit bus, yielding only 128.0 GB/s of bandwidth. The FP16 compute on the W6400 is 7.130 TFLOPS at a 2:1 ratio to FP32, indicating a narrower execution path for half-precision work, whereas the RTX 5070 offers 1:1 FP16 at 30.87 TFLOPS.

The generational difference is also reflected in the bus interface. The RTX 5070 uses PCIe 5.0 x16, offering ample bandwidth for large data transfers, while the W6400 uses PCIe 4.0 x4, which is a severe bottleneck for a discrete GPU. This explains why the W6400's performance in bandwidth-sensitive tests is disproportionately low. The RTX 5070's display outputs include HDMI 2.1b and three DisplayPort 2.1b, supporting modern high-refresh-rate and high-resolution displays, whereas the W6400 only has two DisplayPort 1.4a outputs, limiting its multi-monitor and display capability.

Specification Differences

The specification sheet reveals stark contrasts across nearly every field. The RTX 5070 has 6,144 shading units versus the W6400's 768 — an 8x difference. TMUs stand at 192 versus 48, and ROPs at 80 versus 32. The RTX 5070's 48 RT cores dwarf the W6400's 12, and the RTX 5070 adds 192 tensor cores, which the W6400 lacks entirely. Clock speeds are closer: the RTX 5070 boosts to 2512 MHz, while the W6400 boosts to 2321 MHz, but the execution resource disparity makes clock speed irrelevant in practice.

Memory is a major differentiator: 12 GB GDDR7 on a 192-bit bus versus 4 GB GDDR6 on a 64-bit bus. Bandwidth is 672.0 GB/s versus 128.0 GB/s — a 5.25x gap. Pixel rate and texture rate follow suit: the RTX 5070 produces 201.0 GPixel/s and 482.3 GTexel/s, while the W6400 manages 74.27 GPixel/s and 111.4 GTexel/s. The RTX 5070's FP32 throughput of 30.87 TFLOPS is 8.66x higher than the W6400's 3.565 TFLOPS.

Power and physical characteristics diverge sharply. The RTX 5070 has a 250 W TDP, is dual-slot, requires a 16-pin power connector, and is 245 mm long. The W6400 has a 50 W TDP, is single-slot, uses no power connector, and has no listed dimensions. The RTX 5070 was released on 2025-03-03 and is still in active production, with a launch MSRP of 549 USD. The W6400 was released on 2022-01-18 and is now end-of-life. The RTX 5070's predecessor is the GeForce 40 series, with a successor in the GeForce 60 series, while the W6400's predecessor is Radeon Pro Vega, with no immediate successor. The API support is identical — both feature DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 — but the underlying hardware implementation is generations apart.

FAQ

Q: Is the NVIDIA GeForce RTX 5070 faster than the AMD Radeon PRO W6400 in all benchmark tests?

A: Yes. In the two head-to-head tests, the RTX 5070 wins both Geekbench OpenCL and Vulkan, with deltas of 392.9% and 355.4% respectively. The data shows no test where the W6400 outperforms the RTX 5070.

Q: What is the biggest performance gap between the two cards?

A: The largest margin is in Geekbench OpenCL, where the RTX 5070 scores 172,660 versus the W6400's 35,027, a 392.9% difference. This reflects the RTX 5070's superior compute resources and memory bandwidth.

Q: How do their average benchmark scores compare?

A: The RTX 5070 has an average benchmark score of 40,377, while the W6400 averages 37,157. Despite the huge per-test deltas, the averages are closer because the RTX 5070's average includes low scores in Passmark DirectX 9 and DirectX 12 tests (320 and 108).

Q: Which card is more power-efficient?

A: The W6400 has a 50 W TDP and requires no external power connector, while the RTX 5070 has a 250 W TDP and needs a 16-pin connector. The W6400 suggests a 250 W PSU versus 600 W for the RTX 5070, making the W6400 far more efficient per watt, though far less powerful overall.

Q: What are the key memory differences?

A: The RTX 5070 uses 12 GB of GDDR7 on a 192-bit bus with 672.0 GB/s bandwidth. The W6400 uses 4 GB of GDDR6 on a 64-bit bus with 128.0 GB/s bandwidth. This 5.25x bandwidth advantage is critical for the RTX 5070's high-resolution performance.

Q: Are the two cards in the same performance percentile?

A: They are close: the RTX 5070 is in the 82nd percentile of all GPUs, and the W6400 is in the 80th percentile. However, this is misleading because the RTX 5070's average is skewed by low legacy DirectX scores, while its modern compute and gaming results are far superior.