AMD Radeon PRO W6400 vs NVIDIA T600 Mobile Comparison

Head-to-Head Benchmarks

The head-to-head results reveal a clear split: the NVIDIA T600 Mobile edges out the AMD Radeon PRO W6400 in OpenCL, while the AMD card dominates in Vulkan. The single OpenCL win for NVIDIA is narrow, a 1.3% margin with scores of 35,486 versus 35,027. That places the T600 Mobile ahead by just 459 points. In practice, this difference is small enough to be considered a statistical tie, and the database confirms this by ranking both cards within a few percentage points of their closest rivals.

The Vulkan result tells a very different story. The AMD Radeon PRO W6400 scores 39,286 against 30,211 for the NVIDIA T600 Mobile, a 30% advantage. This is not a marginal difference; it is a decisive lead that shifts the overall benchmark balance. With one win apiece, the two cards split the head-to-head, but the magnitude of AMD's Vulkan victory outweighs the narrow OpenCL margin.

Looking at the broader benchmark average, the AMD Radeon PRO W6400 records an average score of 37,157, while the NVIDIA T600 Mobile averages 32,849. The AMD card sits at the 80th percentile among all GPUs, whereas the T600 Mobile lands at the 77th percentile. The data shows that despite losing OpenCL, the AMD part holds a higher overall standing in the database.

For context on the AMD card's position, its nearest rivals include the AMD Radeon RX Vega 56 with an average score of 37,507 (0.9% higher), the NVIDIA Tesla P4 at 37,628 (1.3% higher), and the NVIDIA GeForce RTX 4070 at 37,648 (1.3% higher). The AMD Radeon PRO W6400 sits 1.7% above the NVIDIA GeForce GTX TITAN X, which averages 36,530. This places the W6400 in a competitive band of prosumer and workstation GPUs.

The NVIDIA T600 Mobile, by contrast, sits close to the NVIDIA P104-100, which averages 32,982 (0.4% higher), and the NVIDIA T550 Mobile at 33,161 (0.9% higher). It sits 0.8% above the AMD Radeon RX 590 GME and 0.9% above the AMD FirePro S9300 X2. The T600 Mobile's closest competition is well below the W6400's rival cluster, confirming the AMD card's higher aggregate performance.

FAQ

Q: Which GPU wins in OpenCL performance?

A: The NVIDIA T600 Mobile wins the OpenCL test with a score of 35,486 versus 35,027 for the AMD Radeon PRO W6400, a 1.3% margin.

Q: Which GPU wins in Vulkan performance?

A: The AMD Radeon PRO W6400 wins decisively in Vulkan with a score of 39,286 versus 30,211 for the NVIDIA T600 Mobile, a 30% advantage.

Q: How do the average benchmark scores compare?

A: The AMD Radeon PRO W6400 averages 37,157 across its recorded benchmarks, while the NVIDIA T600 Mobile averages 32,849. The AMD card sits at the 80th percentile among all GPUs, the T600 Mobile at the 77th.

Q: What is the memory bandwidth difference?

A: The NVIDIA T600 Mobile has a 128-bit memory bus and 192.0 GB/s bandwidth, while the AMD Radeon PRO W6400 has a 64-bit bus and 128.0 GB/s bandwidth. Both have 4 GB of GDDR6 memory.

Q: Which GPU has higher raw compute throughput?

A: The AMD Radeon PRO W6400 delivers 3.565 TFLOPS FP32 and 7.130 TFLOPS FP16, while the NVIDIA T600 Mobile delivers 2.527 TFLOPS FP32 and 5.053 TFLOPS FP16.

Q: What are the power requirements?

A: The AMD Radeon PRO W6400 has a 50 W TDP and suggests a 250 W power supply. The NVIDIA T600 Mobile has a 40 W TDP with no suggested PSU listed.

The Verdict

The data supports a split decision depending on the workload. For applications that rely on Vulkan, the AMD Radeon PRO W6400 is the clear choice: its 30% lead over the T600 Mobile in that test is substantial and unlikely to be overcome by the NVIDIA card's narrower OpenCL edge. The W6400 also posts a higher average benchmark score, 37,157 versus 32,849, and sits three percentile points higher in the overall GPU ranking.

For users whose software stack is OpenCL-centric, the NVIDIA T600 Mobile offers a slight edge, but the 1.3% margin is within noise. The T600 Mobile does bring a higher memory bandwidth of 192.0 GB/s, which could matter in memory-bound tasks, and a lower 40 W TDP. However, the AMD card counters with higher FP32 and FP16 throughput, a faster pixel rate of 74.27 GPixel/s versus 45.12 GPixel/s, and a higher texture rate of 111.4 GTexel/s versus 78.96 GTexel/s.

The verdict is straightforward: the AMD Radeon PRO W6400 is the stronger all-around performer in the database, with the Vulkan win and higher average score outweighing the T600 Mobile's narrow OpenCL win. The NVIDIA card is the more efficient choice for power-constrained mobile designs, but its performance ceiling is lower. Users prioritizing raw compute and modern API performance should select the W6400; those locked into OpenCL workflows or needing wider memory bandwidth may prefer the T600 Mobile.

Specification Differences

The two cards differ across nearly every core specification. The AMD Radeon PRO W6400 uses a 6 nm process node, while the NVIDIA T600 Mobile uses 12 nm. The AMD chip, Navi 24, integrates 5,400 million transistors on a 107 mm² die, giving a transistor density of 50.5 million per mm². The NVIDIA chip, TU117, packs 4,700 million transistors on a 200 mm² die, with a density of 23.5 million per mm².

Clocks differ significantly. The AMD card runs at a base clock of 2039 MHz and a boost of 2321 MHz. The NVIDIA card runs at a base of 780 MHz and a boost of 1410 MHz. Memory clocks also differ: AMD uses 2000 MHz with 16 Gbps effective, while NVIDIA uses 1500 MHz with 12 Gbps effective.

The memory bus width is another major difference: AMD has a 64-bit bus, NVIDIA has a 128-bit bus. This yields bandwidth of 128.0 GB/s for AMD and 192.0 GB/s for NVIDIA. Both have 4 GB of GDDR6 memory.

Compute unit counts differ: AMD has 768 shading units, 48 TMUs, 32 ROPs, and 12 ray tracing cores. NVIDIA has 896 shading units, 56 TMUs, and 32 ROPs, with no ray tracing cores listed.

The TDPs are close: AMD at 50 W, NVIDIA at 40 W. The AMD card is single-slot with no power connectors and a 250 W suggested PSU. The NVIDIA card is listed as IGP with no power connectors and no suggested PSU.

Bus interfaces differ: AMD uses PCIe 4.0 x4, NVIDIA uses PCIe 3.0 x16. Display outputs differ: AMD has 2x DisplayPort 1.4a, NVIDIA's outputs are "Portable Device Dependent."

Architecture Differences

The architectures represent two different design philosophies. AMD's Radeon PRO W6400 is built on RDNA 2.0, a modern gaming-derived architecture that includes dedicated ray tracing cores (12 of them) and supports DirectX 12 Ultimate (12_2). NVIDIA's T600 Mobile uses the older Turing architecture, which lacks dedicated ray tracing cores and only supports DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4.

The process technology gap is stark: AMD uses a 6 nm TSMC node, while NVIDIA uses a 12 nm TSMC node. This explains the transistor density difference: AMD packs 50.5 million transistors per mm² compared to NVIDIA's 23.5 million. Despite having fewer transistors overall (5,400 million vs. 4,700 million), AMD achieves a smaller die (107 mm² vs. 200 mm²) and higher clock speeds.

The FP32 throughput tells the performance story. AMD delivers 3.565 TFLOPS FP32, 41% higher than NVIDIA's 2.527 TFLOPS. FP16 follows the same pattern: 7.130 TFLOPS for AMD versus 5.053 TFLOPS for NVIDIA. Pixel rate and texture rate also favor AMD: 74.27 GPixel/s versus 45.12 GPixel/s, and 111.4 GTexel/s versus 78.96 GTexel/s.

The memory architecture differs as well. NVIDIA opts for a wider 128-bit bus to reach 192.0 GB/s, while AMD uses a narrower 64-bit bus but compensates with faster effective memory speed (16 Gbps versus 12 Gbps) to reach 128.0 GB/s. The wider bus gives NVIDIA a bandwidth advantage, which may help in memory-heavy workloads, but the AMD architecture's higher compute rates and modern feature set give it the edge in raw throughput.

Where Each One Wins

The AMD Radeon PRO W6400 wins in Vulkan-based workloads, with a 30% lead that is the largest single benchmark gap in the head-to-head. It also wins on raw compute metrics: higher FP32 (3.565 TFLOPS), higher FP16 (7.130 TFLOPS), higher pixel rate (74.27 GPixel/s), and higher texture rate (111.4 GTexel/s). Its 12 ray tracing cores and DirectX 12 Ultimate support make it the better choice for modern graphics pipelines that use ray tracing or the latest DirectX features. The 6 nm process node also means a denser, more modern design.

The NVIDIA T600 Mobile wins in OpenCL, though by a slim 1.3% margin. It also holds a memory bandwidth advantage at 192.0 GB/s versus 128.0 GB/s, which could benefit workloads that are bandwidth-sensitive rather than compute-bound. Its 40 W TDP versus 50 W makes it more power-efficient for mobile designs. The wider 128-bit memory bus is a structural advantage that AMD cannot match with its 64-bit bus.

In terms of overall positioning, the database shows the AMD card at the 80th percentile versus the NVIDIA card at the 77th. The AMD card's nearest rivals are higher-performing GPUs like the Radeon RX Vega 56 and RTX 4070, while the T600 Mobile's rivals are lower-tier parts like the P104-100 and RX 590 GME. This reinforces the conclusion that the AMD Radeon PRO W6400 occupies a higher performance tier, despite the NVIDIA card's narrower wins in specific areas.