AMD Radeon RX 6750 XT vs NVIDIA RTX A5000 Mobile Comparison

The AMD Radeon RX 6750 XT and NVIDIA RTX A5000 Mobile are both end-of-life products, but they target very different workloads. The data shows a decisive victory for the AMD card in the head-to-head benchmark suite, winning 8 out of 9 tests, while the NVIDIA card claims a single, albeit massive, win in OpenCL compute. This split reveals that the desktop-oriented AMD card is generally faster in graphics and legacy APIs, while the mobile NVIDIA card excels in a specific compute scenario, despite its lower power envelope.

Head-to-Head Benchmarks

The benchmark results are overwhelmingly in favor of the AMD Radeon RX 6750 XT. Its most significant win is in the Passmark G3D test, where it scores 20,700 against the NVIDIA RTX A5000 Mobile's 15,779, a substantial 31.2% advantage. This is the core gaming and general 3D rendering metric, and the AMD card's lead here is substantial. The margin is even larger in the Passmark DirectX 11 test, with the AMD card scoring 180 versus 133, a 35.3% delta, and in the older DirectX 9 test, where it scores 263 versus 169, a 55.6% lead. These results indicate that the AMD card has a significant edge in a wide range of DirectX-based applications.

The pattern continues with the AMD card winning the Passmark GPU Compute test by a 37.5% margin (9,550 vs 6,945) and the Passmark G2D test by 54.5% (972 vs 629). Even in the DirectX 12 and DirectX 10 tests, the AMD card maintains a lead of 11.1% (80 vs 72) and 8.7% (125 vs 115), respectively. In the Vulkan API test, the AMD card scores 98,089 compared to the NVIDIA card's 88,144, a solid 11.3% win. This consistent performance across all Passmark and Vulkan tests suggests the AMD card is a more capable all-rounder in these scenarios.

However, the single NVIDIA victory is not a close contest. In the Geekbench OpenCL test, the NVIDIA RTX A5000 Mobile scores 110,877, which is a staggering 85.2% higher than the AMD card's score of 16,360. This is a massive outlier in the data and is likely due to the NVIDIA card's architecture being highly optimized for this specific compute workload. This result is critical for understanding the two cards' strengths: the AMD card is a general-purpose graphics powerhouse, while the NVIDIA card has a remarkable specialization in a particular compute environment.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 6750 XT has a higher average benchmark score of 26,011, compared to the NVIDIA RTX A5000 Mobile's average of 24,763. The AMD card also holds a higher percentile ranking among all GPUs, at the 71st percentile versus the NVIDIA card's 70th.

Q: How does the AMD Radeon RX 6750 XT compare to its nearest rivals?

A: The AMD card's average score of 26,011 places it just 0.5% ahead of the AMD Radeon R9 M395X (25,891) and 1.1% ahead of the NVIDIA GeForce RTX 3080 Ti Mobile (25,740). Its closest rival, the R9 M395X, is essentially a performance match.

Q: Is the NVIDIA RTX A5000 Mobile a competitive product based on its average score?

A: Based on its average score of 24,763, the NVIDIA RTX A5000 Mobile is only 0.1% ahead of the AMD Radeon RX 590 (24,744) and 1.3% ahead of the AMD Radeon RX 6600 XT (24,442). This places it in a performance tier that is comparable to mid-range desktop and mobile GPUs from the previous generation.

Q: Which card has the higher texture and pixel fill rates?

A: The AMD Radeon RX 6750 XT has a higher texture rate of 416.0 GTexel/s, compared to the NVIDIA RTX A5000 Mobile's 302.4 GTexel/s. The AMD card also has a higher pixel rate of 166.4 GPixel/s versus the NVIDIA card's 151.2 GPixel/s.

Q: What is the difference in FP32 floating-point performance?

A: The NVIDIA RTX A5000 Mobile has a higher FP32 performance of 19.35 TFLOPS, compared to the AMD Radeon RX 6750 XT's 13.31 TFLOPS. This is a significant theoretical compute advantage for the NVIDIA card.

Q: Which GPU has more memory bandwidth and a larger memory pool?

A: The NVIDIA RTX A5000 Mobile has a slightly higher memory bandwidth of 448.0 GB/s, compared to the AMD card's 432.0 GB/s. The NVIDIA card also has a larger memory pool of 16 GB, versus the AMD card's 12 GB.

The Verdict

The data points to a clear split in use cases. The AMD Radeon RX 6750 XT is the superior choice for general graphics performance. It wins the vast majority of the head-to-head benchmarks, including the crucial Passmark G3D test. Its dominant wins in DirectX 9, 10, 11, and 12, as well as its lead in Vulkan, make it the better option for gaming and applications that rely on these APIs. Its higher texture and pixel rates also support this conclusion.

The NVIDIA RTX A5000 Mobile, despite being a mobile part with a lower TDP, is the clear winner in the Geekbench OpenCL test. Its score of 110,877 dwarfs the AMD card's 16,360, indicating a massive advantage in this specific compute workload. This makes it the more suitable option for professional or scientific applications that are heavily optimized for OpenCL. Its higher FP32 performance of 19.35 TFLOPS and larger 16 GB memory pool further reinforce its potential for compute-heavy tasks.

Specification Differences

The two GPUs differ significantly in their core specifications. The AMD Radeon RX 6750 XT features 2,560 shading units, while the NVIDIA RTX A5000 Mobile has 6,144. The NVIDIA card also has more texture mapping units (192 vs 160) and more ROPs (96 vs 64). The AMD card has a higher boost clock of 2600 MHz, compared to the NVIDIA card's 1575 MHz. The memory configurations also differ: the AMD card has 12 GB of GDDR6 on a 192-bit bus, while the NVIDIA card has 16 GB of GDDR6 on a 256-bit bus. The NVIDIA card's memory operates at 1750 MHz (14 Gbps effective), while the AMD card's runs at 2250 MHz (18 Gbps effective). The AMD card has a base clock of 2150 MHz and a game clock of 2495 MHz. The NVIDIA card has a TDP of 150 W, whereas the AMD card has a TDP of 250 W. The AMD card is a dual-slot design requiring a 1x 6-pin and 1x 8-pin power connector, while the NVIDIA card has no power connectors and its display outputs are described as "Portable Device Dependent".

Architecture Differences

The two cards are built on fundamentally different architectures and process nodes. The AMD Radeon RX 6750 XT uses the RDNA 2.0 architecture on a 7 nm process at TSMC, with a die size of 335 mm² and 17,200 million transistors. The NVIDIA RTX A5000 Mobile uses the Ampere architecture on an 8 nm process at Samsung, with a larger die size of 392 mm² and 17,400 million transistors. The AMD card features 40 ray tracing cores, while the NVIDIA card has 48. The NVIDIA card also includes 192 tensor cores, which the AMD card lacks entirely. A key feature difference is in FP16 performance: the AMD card achieves 26.62 TFLOPS (2:1 ratio), while the NVIDIA card achieves 19.35 TFLOPS (1:1 ratio). The AMD card has a lower transistor density of 51.3M / mm², compared to the NVIDIA card's 44.4M / mm².

Where Each One Wins

The AMD Radeon RX 6750 XT wins in nearly every graphics scenario tested. Its 31.2% lead in the Passmark G3D test makes it the clear choice for general 3D rendering and gaming. Its wins in DirectX 9 (55.6%), DirectX 11 (35.3%), and DirectX 12 (11.1%) show it is strong across the board for DirectX titles. Its 11.3% lead in Vulkan also covers a wide range of modern games. The AMD card also wins in the Passmark GPU Compute test by 37.5%, which suggests it is also capable in general-purpose compute tasks, though not to the extreme of the NVIDIA card's OpenCL performance.

The NVIDIA RTX A5000 Mobile's sole benchmark win is the enormous 85.2% lead in the Geekbench OpenCL test. This single result is its primary claim to fame. Combined with its higher FP32 performance (19.35 TFLOPS) and larger 16 GB frame buffer, this makes it the winner for users whose primary workload is OpenCL-based compute, such as certain scientific simulations, data processing, or professional rendering applications that leverage this API. Its lower TDP of 150 W also makes it a more power-efficient option for these tasks in a mobile form factor.