AMD Radeon PRO W7500 vs NVIDIA T400 4 GB Comparison

NVIDIA T400 4 GB and AMD Radeon PRO W7500 are both single-slot workstation cards, but they sit at opposite ends of the performance spectrum. The T400 is a low-profile, low-power entry point, while the W7500 is a modern, high-throughput workhorse. The benchmark data confirms a decisive generational and architectural gap, with the AMD card dominating in every measured test.

Head-to-Head Benchmarks

The two available benchmark comparisons show a complete sweep for the AMD Radeon PRO W7500. In Geekbench OpenCL, the W7500 scores 58,213, while the NVIDIA T400 4 GB manages 17,320. This represents a 70.2% deficit for the T400, meaning the W7500 delivers more than three times the raw compute throughput in this workload. The gap is even wider in Geekbench Vulkan, where the W7500 hits 68,634 against the T400’s 16,263. That is a 76.3% difference, indicating that the AMD card’s advantage grows in API-level compute tasks that leverage modern hardware features.

The average benchmark score tells a similar story, though the margin is compressed. The T400’s average is 16,792, while the W7500’s average is 16,415. Interestingly, the W7500’s average is actually slightly lower than the T400’s, despite the W7500 winning both head-to-head tests by massive margins. This is because the W7500’s average includes additional Passmark tests where it scores relatively low (e.g., 65 in DirectX 10, 46 in DirectX 12, and 200 in DirectX 9), which drag down its overall figure. The T400 only has two Geekbench results in its average, so it avoids those low DirectX scores.

Looking at the percentile rankings, the T400 sits at the 60th percentile of all GPUs, while the W7500 is at the 59th. These are nearly identical, which is curious given the head-to-head results. The explanation is in the rival lists: the T400’s nearest rivals include the AMD Radeon RX 7600S (0.6% delta), NVIDIA Tesla M4 (-0.8%), AMD Radeon HD 7970M (-1.3%), and NVIDIA GeForce GTX 690 (-1.4%). The W7500’s rivals include the NVIDIA RTX PRO 6000 Blackwell (0% delta), AMD Radeon RX 5700 XT (0.3%), AMD Radeon Pro 5600M (0.4%), and NVIDIA GeForce RTX 5090 D V2 (-0.5%). The W7500 is competing against much faster cards, which is why its percentile is lower despite its absolute scores being far higher.

Architecture Differences

The underlying silicon could not be more different. The NVIDIA T400 4 GB uses the TU117 chip on the Turing architecture, built on a 12 nm process at TSMC. It packs 4,700 million transistors into a 200 mm² die, giving a transistor density of 23.5 million per square millimeter. The AMD Radeon PRO W7500 uses the Navi 33 chip on RDNA 3.0, codenamed Hotpink Bonefish. This is a 6 nm part from TSMC, with 13,300 million transistors on a 204 mm² die, achieving a density of 65.2 million per square millimeter. The W7500 has nearly three times the transistor count in nearly the same physical area, a direct result of the more advanced process node.

Clock speeds are also vastly different. The T400 has a base clock of 420 MHz and a boost of 1425 MHz. The W7500 runs at 1500 MHz base and 1700 MHz boost. The memory systems differ as well: the T400 has 4 GB of GDDR6 on a 64-bit bus, running at 1250 MHz (10 Gbps effective) for 80.00 GB/s of bandwidth. The W7500 has 8 GB of GDDR6 on a 128-bit bus, at 2000 MHz (16 Gbps effective), delivering 256.0 GB/s — exactly three times the bandwidth.

Compute resources are where the W7500 runs away with it. The T400 has 384 shading units, 24 TMUs, and 16 ROPs. The W7500 has 1,792 shading units, 112 TMUs, and 64 ROPs. The W7500 also has 28 ray tracing cores, which the T400 lacks entirely. Pixel rate is 22.80 GPixel/s for the T400 versus 108.8 GPixel/s for the W7500. Texture rate is 34.20 GTexel/s versus 190.4 GTexel/s. FP32 performance is 1,094.4 GFLOPS for the T400, while the W7500 delivers 12.19 TFLOPS — over an order of magnitude higher. FP16 is 2.189 TFLOPS (2:1) for the T400 and 24.37 TFLOPS (2:1) for the W7500.

Power and interface also differ. The T400 has a 30 W TDP, while the W7500 is rated at 70 W. Both are single-slot and require no power connectors, but the T400 suggests a 200 W PSU and the W7500 suggests a 250 W PSU. The T400 is PCIe 3.0 x16, while the W7500 is PCIe 4.0 x8. Display outputs are 3x mini-DisplayPort 1.4a on the T400 and 4x DisplayPort 2.1 on the W7500. The T400 supports DirectX 12 (12_1) and OpenGL 4.6, while the W7500 supports DirectX 12 Ultimate (12_2) and OpenGL 4.6. Both support Vulkan 1.4.

FAQ

Q: Which card is faster in Geekbench OpenCL?

A: The AMD Radeon PRO W7500 is dramatically faster, scoring 58,213 versus 17,320 for the NVIDIA T400 4 GB. This is a 70.2% difference in favor of the AMD card.

Q: How does the memory bandwidth compare?

A: The W7500 has 256.0 GB/s of bandwidth, which is exactly three times the 80.00 GB/s of the T400. This is due to both a wider 128-bit bus versus 64-bit and faster effective memory speed (16 Gbps versus 10 Gbps).

Q: Do both cards support ray tracing?

A: No. The AMD Radeon PRO W7500 has 28 ray tracing cores. The NVIDIA T400 4 GB has no ray tracing cores listed in its specifications.

Q: Are these cards similar in overall performance?

A: The average benchmark scores are close (16,792 for the T400, 16,415 for the W7500), and both sit near the 60th percentile of all GPUs. However, the W7500’s average includes low-scoring DirectX tests that the T400 does not have, masking the W7500’s massive lead in Geekbench workloads.

Q: Which card has a higher boost clock?

A: The AMD Radeon PRO W7500 has a boost clock of 1700 MHz, while the NVIDIA T400 4 GB boosts to 1425 MHz.

Q: What is the production status of each card?

A: The NVIDIA T400 4 GB is end-of-life, having been released in 2021. The AMD Radeon PRO W7500 is active, with a 2023 release date.

Specification Differences

The following specifications differ between the two cards:

• Process Node: T400 is 12 nm, W7500 is 6 nm.
• Transistors: T400 has 4,700 million, W7500 has 13,300 million.
• Die Size: T400 is 200 mm², W7500 is 204 mm².
• Transistor Density: T400 is 23.5M / mm², W7500 is 65.2M / mm².
• Base Clock: T400 is 420 MHz, W7500 is 1500 MHz.
• Boost Clock: T400 is 1425 MHz, W7500 is 1700 MHz.
• Memory Speed: T400 is 1250 MHz (10 Gbps effective), W7500 is 2000 MHz (16 Gbps effective).
• Memory Size: T400 is 4 GB, W7500 is 8 GB.
• Memory Bus Width: T400 is 64 bit, W7500 is 128 bit.
• Memory Bandwidth: T400 is 80.00 GB/s, W7500 is 256.0 GB/s.
• Shading Units: T400 has 384, W7500 has 1,792.
• TMUs: T400 has 24, W7500 has 112.
• ROPs: T400 has 16, W7500 has 64.
• Ray Tracing Cores: T400 has none, W7500 has 28.
• Pixel Rate: T400 is 22.80 GPixel/s, W7500 is 108.8 GPixel/s.
• Texture Rate: T400 is 34.20 GTexel/s, W7500 is 190.4 GTexel/s.
• FP32: T400 is 1,094.4 GFLOPS, W7500 is 12.19 TFLOPS.
• FP16: T400 is 2.189 TFLOPS (2:1), W7500 is 24.37 TFLOPS (2:1).
• TDP: T400 is 30 W, W7500 is 70 W.
• Suggested PSU: T400 is 200 W, W7500 is 250 W.
• Bus Interface: T400 is PCIe 3.0 x16, W7500 is PCIe 4.0 x8.
• Display Outputs: T400 has 3x mini-DisplayPort 1.4a, W7500 has 4x DisplayPort 2.1.
• DirectX Support: T400 is 12 (12_1), W7500 is 12 Ultimate (12_2).
• Dimensions: T400 has no listed dimensions, W7500 is 216 mm (8.5 inches) long, 115 mm (4.5 inches) high, and 20 mm (0.8 inches) wide.
• Production Status: T400 is end-of-life, W7500 is active.
• Release Date: T400 is 2021-05-05, W7500 is 2023-08-02.
• Predecessor: T400 is Quadro Volta, W7500 is Radeon Pro Vega.
• Successor: T400 is Workstation Ampere, W7500 has none listed.
• Launch MSRP: T400 has none listed, W7500 is 429 USD.

Where Each One Wins

The AMD Radeon PRO W7500 wins every head-to-head benchmark available. In Geekbench OpenCL, it wins by 70.2%. In Geekbench Vulkan, it wins by 76.3%. It has superior specs across the board: more memory, higher bandwidth, more shading units, more ROPs, higher clocks, and dedicated ray tracing cores. The W7500 is the clear choice for any workload that leverages compute, modern APIs, large textures, or ray tracing.

The NVIDIA T400 4 GB has no benchmark wins in this comparison. Its advantages are limited to physical properties: a 30 W TDP versus 70 W, and a suggested PSU of 200 W versus 250 W. It is also smaller in terms of power draw, making it easier to fit into power-constrained or passively cooled systems. The T400 has a higher percentile ranking (60th versus 59th), but this is a statistical artifact of the rival pool, not a real performance advantage.

The Verdict

The data is unambiguous. The AMD Radeon PRO W7500 is the faster card by a wide margin in every measured test. If you need compute performance, modern API support, or ray tracing, the W7500 is the only rational choice. It also has double the memory (8 GB versus 4 GB) and four times the bandwidth (256.0 GB/s versus 80.00 GB/s). Its 6 nm process and 13,300 million transistors provide a massive compute advantage that no single metric on the T400 can counter.

The NVIDIA T400 4 GB is for a different kind of user entirely. Its 30 W TDP and lack of power connectors make it appealing for low-profile, low-power systems where cooling and power budgets are extremely tight. It is an end-of-life product, but it may still be relevant for legacy applications that do not need more than basic 3D acceleration. The W7500’s 70 W TDP and 250 W PSU requirement are modest, but they are not trivial.

Pick the W7500 if you want actual workstation-class performance in a single-slot package. Pick the T400 only if power draw is the absolute priority and you can tolerate a card that is over three times slower in OpenCL and over four times slower in Vulkan. The W7500’s launch MSRP is 429 USD, but its performance advantage is so large that it is not a close call for any compute-oriented task.