AMD Radeon RX 5700 XT vs NVIDIA T400 Comparison

The NVIDIA T400 and AMD Radeon RX 5700 XT are both end-of-life products, but they occupy completely different corners of the GPU market. The T400 is a 30 W, single-slot, low-profile workstation card built for basic display output and light compute. The RX 5700 XT is a 225 W, dual-slot gaming card with massive memory bandwidth and raw throughput. The benchmark data shows a near-tie in average score — the T400 averages 16,508 while the RX 5700 XT averages 16,361, a 0.9% difference — but that overall number hides two wildly different benchmark results. The T400 wins Geekbench OpenCL by 78.9%, while the RX 5700 XT wins Geekbench Vulkan by 76.6%. Your choice depends entirely on which API and workload you prioritize.

The Verdict

Pick the NVIDIA T400 if your priority is OpenCL compute performance in a power-sipping, single-slot form factor. The data shows it scores 17,039 in Geekbench OpenCL, which is 78.9% higher than the RX 5700 XT's 9,524. It also draws only 30 W, needs no power connectors, and requires just a 200 W suggested PSU. For a workstation that runs 24/7, needs multiple mini-DisplayPort outputs, or fits into a constrained chassis, this is the clear choice. Its 60th percentile ranking versus all GPUs also edges out the RX 5700 XT's 59th percentile.

Pick the AMD Radeon RX 5700 XT if you care about Vulkan performance, memory capacity, or pure rasterization throughput. Its Geekbench Vulkan score of 68,310 demolishes the T400's 15,976 — a 76.6% advantage. It also offers 8 GB of GDDR6 on a 256-bit bus (448.0 GB/s bandwidth) versus the T400's 2 GB on a 64-bit bus (80.00 GB/s). The RX 5700 XT has 2,560 shading units, 160 TMUs, and 64 ROPs, versus the T400's 384, 24, and 16. Its FP32 throughput of 9.754 TFLOPS is nearly nine times the T400's 1,094.4 GFLOPS. If you're building a gaming rig or doing any graphics-intensive work that leverages Vulkan, the RX 5700 XT is the only sensible pick.

Architecture Differences

The T400 is built on NVIDIA's Turing architecture (chip TU117), fabricated on TSMC's 12 nm process. The die is 200 mm² and packs 4,700 million transistors, giving a density of 23.5M per mm². The RX 5700 XT uses AMD's RDNA 1.0 architecture (chip Navi 10) on TSMC's 7 nm node. Its die is 251 mm² with 10,300 million transistors, yielding a much higher density of 41.0M per mm². The 7 nm process is a full node ahead, which explains how AMD fits more than double the transistors on a slightly larger die.

The T400's memory subsystem is deliberately limited: 2 GB GDDR6, 64-bit bus, 80.00 GB/s bandwidth, and 1250 MHz memory clock (10 Gbps effective). The RX 5700 XT has 8 GB GDDR6, 256-bit bus, 448.0 GB/s bandwidth, and 1750 MHz memory clock (14 Gbps effective). None of the cards include ray tracing or tensor cores — both are null in the data. The T400's pixel rate is 22.80 GPixel/s and texture rate 34.20 GTexel/s, versus the RX 5700 XT's 121.9 GPixel/s and 304.8 GTexel/s. The RX 5700 XT's FP16 performance is 19.51 TFLOPS (2:1) versus the T400's 2.189 TFLOPS (2:1).

The T400 uses PCIe 3.0 x16, while the RX 5700 XT uses PCIe 4.0 x16. Display outputs differ too: the T400 has 3x mini-DisplayPort 1.4a, while the RX 5700 XT has 1x HDMI 2.0b and 3x DisplayPort 1.4a. Both support DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4.

Head-to-Head Benchmarks

The two available head-to-head benchmarks are polar opposites. In Geekbench OpenCL, the T400 scores 17,039 against the RX 5700 XT's 9,524 — a 78.9% win for NVIDIA. This is a massive margin, suggesting the T400's architecture is far more efficient at OpenCL compute workloads, despite having only 384 shading units. The RX 5700 XT's raw FP32 power (9.754 TFLOPS) doesn't translate to OpenCL wins here.

In Geekbench Vulkan, the tables turn completely. The RX 5700 XT scores 68,310 versus the T400's 15,976, a 76.6% win for AMD. This is a 4.3x performance gap in absolute numbers. Vulkan clearly favors the RX 5700 XT's RDNA 1.0 design and its massive memory bandwidth. The T400's Vulkan score is actually lower than its OpenCL score, while the RX 5700 XT's Vulkan score is over 7x higher than its OpenCL score.

Each card wins exactly one benchmark, so the overall average scores are close: 16,508 for the T400 and 16,361 for the RX 5700 XT. The T400's nearest rivals include the NVIDIA GeForce RTX 5090 D V2 (avg 16,504, 0% delta), AMD Radeon PRO W7500 (avg 16,415, 0.6% delta), and NVIDIA RTX PRO 6000 Blackwell (avg 16,408, 0.6% delta). The RX 5700 XT's nearest rivals are the AMD Radeon Pro 5600M (avg 16,351, 0.1% delta), RTX PRO 6000 Blackwell (avg 16,408, -0.3% delta), and PRO W7500 (avg 16,415, -0.3% delta).

Specification Differences

| Specification | NVIDIA T400 | AMD Radeon RX 5700 XT |

|---|---|---|

| Architecture | Turing | RDNA 1.0 |

| Process Node | 12 nm | 7 nm |

| Transistors | 4,700 million | 10,300 million |

| Die Size | 200 mm² | 251 mm² |

| Transistor Density | 23.5M / mm² | 41.0M / mm² |

| Base Clock | 420 MHz | 1605 MHz |

| Boost Clock | 1425 MHz | 1905 MHz |

| Game Clock | — | 1755 MHz |

| Memory Clock | 1250 MHz / 10 Gbps | 1750 MHz / 14 Gbps |

| Memory Size | 2 GB | 8 GB |

| Memory Bus | 64 bit | 256 bit |

| Memory Bandwidth | 80.00 GB/s | 448.0 GB/s |

| Shading Units | 384 | 2560 |

| TMUs | 24 | 160 |

| ROPs | 16 | 64 |

| Pixel Rate | 22.80 GPixel/s | 121.9 GPixel/s |

| Texture Rate | 34.20 GTexel/s | 304.8 GTexel/s |

| FP32 | 1,094.4 GFLOPS | 9.754 TFLOPS |

| FP16 | 2.189 TFLOPS | 19.51 TFLOPS |

| TDP | 30 W | 225 W |

| Slot Width | Single-slot | Dual-slot |

| Power Connectors | None | 1x 6-pin + 1x 8-pin |

| Suggested PSU | 200 W | 550 W |

| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |

| Display Outputs | 3x mini-DisplayPort 1.4a | 1x HDMI 2.0b, 3x DisplayPort 1.4a |

| Dimensions | — | 272 mm x 111 mm x 36 mm |

| Release Date | 2021-05-05 | 2019-07-06 |

FAQ

Q: Which card has a higher average benchmark score?

A: The NVIDIA T400 averages 16,508 across all benchmarks, while the AMD Radeon RX 5700 XT averages 16,361. The T400 leads by 0.9%.

Q: Why is the RX 5700 XT's Vulkan score so much higher?

A: The RX 5700 XT scores 68,310 in Geekbench Vulkan versus the T400's 15,976. This 76.6% advantage likely stems from RDNA 1.0's design and the 448.0 GB/s memory bandwidth, which is 5.6x the T400's 80.00 GB/s.

Q: Can the T400 run games?

A: The data does not include gaming benchmarks. However, its 384 shading units, 2 GB memory, and 1,094.4 GFLOPS FP32 suggest limited capability. The RX 5700 XT has 2,560 shading units and 9.754 TFLOPS FP32.

Q: What power supply do I need for each?

A: The T400 requires a 200 W suggested PSU and uses no power connectors. The RX 5700 XT requires a 550 W suggested PSU and uses one 6-pin plus one 8-pin connector.

Q: Which card is better for OpenCL compute?

A: The NVIDIA T400 wins Geekbench OpenCL with 17,039 points versus the RX 5700 XT's 9,524 points, a 78.9% margin. This is despite the T400 having far fewer shading units.

Q: Do either cards support ray tracing?

A: No. Both the T400 and RX 5700 XT list null values for RT cores and tensor cores in the specifications.

Where Each One Wins

NVIDIA T400 wins on:

• OpenCL compute (17,039 vs 9,524, +78.9%)
• Power efficiency (30 W TDP vs 225 W)
• Physical footprint (single-slot, no power connectors)
• PSU requirements (200 W vs 550 W)
• Overall average benchmark score (16,508 vs 16,361)
• Percentile ranking (60th vs 59th)
• Display outputs (3x mini-DisplayPort 1.4a for multi-monitor workstation setups)

AMD Radeon RX 5700 XT wins on:

• Vulkan performance (68,310 vs 15,976, +76.6%)
• Memory capacity (8 GB vs 2 GB)
• Memory bandwidth (448.0 GB/s vs 80.00 GB/s)
• Raw compute (FP32 9.754 TFLOPS vs 1,094.4 GFLOPS)
• Pixel and texture rates (121.9 GPixel/s vs 22.80 GPixel/s; 304.8 GTexel/s vs 34.20 GTexel/s)
• Shader resources (2,560 shading units vs 384)
• PCIe 4.0 support (vs PCIe 3.0)

The practical split is simple: the T400 is a workstation display and compute card for OpenCL-based applications in a low-power chassis. The RX 5700 XT is a high-performance graphics card for Vulkan-heavy games and workloads, despite being older and more power-hungry. The RX 5700 XT's launch MSRP was 399 USD. The T400 has no listed launch MSRP. If you need raw graphics throughput, the RX 5700 XT is the only option. If you need a tiny, quiet, low-draw card that excels at OpenCL, the T400 is uniquely suited.