AMD Radeon RX 5300M vs NVIDIA Quadro M6000 Comparison

The NVIDIA Quadro M6000 and AMD Radeon RX 5300M occupy different corners of the GPU market, one a former professional workstation flagship and the other a mobile mainstream part. The data shows a clear performance hierarchy, but the differences go far beyond raw speed, encompassing architecture, memory, and power requirements. This analysis breaks down the recorded specifications and benchmark results to determine which card suits which workload.

FAQ

Q: Which GPU is faster in the recorded benchmarks?

A: The NVIDIA Quadro M6000 wins the only head-to-head benchmark, Geekbench OpenCL, with a score of 39,688 against the AMD Radeon RX 5300M's 36,529. This represents an 8.6% advantage.

Q: How do these cards compare to their nearest rivals in the database?

A: The Quadro M6000's average benchmark score of 43,301 places it within 0.1% of the GeForce RTX 5050 Mobile and Quadro M6000 24 GB, and 0.2% ahead of the RTX 4070 SUPER. The RX 5300M's average of 36,529 is essentially tied with the GeForce GTX TITAN X, 0.7% ahead of the NVIDIA T1000, and 1.7% behind the AMD Radeon PRO W6400.

Q: What are the key architectural differences?

A: The Quadro M6000 uses NVIDIA's Maxwell 2.0 architecture on a 28 nm process, while the RX 5300M uses AMD's RDNA 1.0 architecture on a 7 nm process. The Quadro has 3,072 shading units, 192 TMUs, and 96 ROPs, compared to 1,408 shading units, 88 TMUs, and 32 ROPs on the Radeon.

Q: Which card has more memory bandwidth?

A: The Quadro M6000 has a 384-bit bus with 12 GB of GDDR5 memory, delivering 317.4 GB/s. The RX 5300M has a 96-bit bus with 3 GB of GDDR6 memory, delivering 168.0 GB/s, roughly half the bandwidth.

Q: What is the power consumption difference?

A: The Quadro M6000 has a TDP of 250 W and requires a 600 W power supply, while the RX 5300M has a TDP of 85 W and uses no external power connectors, making it suitable for portable devices.

Q: Which card has better API support?

A: Both support DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4, so there is no difference in this regard.

Architecture Differences

The two GPUs come from different design philosophies and process nodes. The NVIDIA Quadro M6000 is built on the Maxwell 2.0 architecture, fabricated by TSMC on a 28 nm process. This is a mature, high-power desktop design with a die size of 601 mm² and 8,000 million transistors, resulting in a transistor density of 13.3 million per mm². The AMD Radeon RX 5300M uses the newer RDNA 1.0 architecture, also from TSMC, but on a 7 nm process. It has a much smaller die at 158 mm² with 6,400 million transistors, yielding a significantly higher density of 40.5 million per mm².

The compute resources differ substantially. The Quadro M6000 packs 3,072 shading units, 192 texture mapping units, and 96 render output units. The RX 5300M has 1,408 shading units, 88 TMUs, and 32 ROPs. This disparity explains the Quadro's higher theoretical fill rates: 106.9 GPixel/s and 213.9 GTexel/s versus 46.24 GPixel/s and 127.2 GTexel/s for the Radeon. In terms of floating-point performance, the Quadro delivers 6.844 TFLOPS in FP32, while the RX 5300M delivers 4.069 TFLOPS. The Radeon does offer FP16 capability at 8.138 TFLOPS (2:1 rate), a feature not listed for the Quadro.

Memory architectures are also distinct. The Quadro uses 12 GB of GDDR5 on a 384-bit bus, while the Radeon uses 3 GB of GDDR6 on a 96-bit bus. Clock speeds show the Radeon boosting higher: the RX 5300M has a base of 1000 MHz and boost of 1445 MHz, compared to the Quadro's 988 MHz base and 1114 MHz boost. However, the Quadro's wider bus and larger memory pool give it a decisive bandwidth advantage.

The power profile is a major separator. The Quadro M6000 is a dual-slot, 250 W card with a 1x 8-pin power connector and a suggested 600 W power supply. The RX 5300M is an 85 W mobile chip with no power connectors and a "portable device dependent" display output configuration. The Quadro uses PCIe 3.0 x16, while the Radeon uses PCIe 4.0 x8.

Head-to-Head Benchmarks

The database contains one direct comparison: Geekbench OpenCL. In this test, the NVIDIA Quadro M6000 scored 39,688, while the AMD Radeon RX 5300M scored 36,529. The Quadro wins by 8.6%, a meaningful margin but not a dominant one. This result suggests that while the Quadro is clearly faster in this compute-oriented workload, the Radeon's newer architecture and higher clock speeds help it close the gap relative to the raw spec differences.

Looking at the wider benchmark landscape, the Quadro M6000's average score across all recorded tests is 43,301, which places it in the 84th percentile of all GPUs. The RX 5300M's average score is 36,529, putting it in the 80th percentile. The gap in percentile ranking is smaller than the raw score difference might suggest, indicating that the Radeon is still a capable performer in its own right.

The nearest rival data provides context. The Quadro M6000 sits in a tight cluster with the RTX 5050 Mobile (43,268, 0.1% higher), the Quadro M6000 24 GB (43,262, 0.1% higher), and the RTX 4070 SUPER (43,223, 0.2% higher). It trails the RTX 4090 Mobile by 0.8%. The RX 5300M matches the GTX TITAN X exactly, sits 0.7% above the T1000, and is 1.7% below the Radeon PRO W6400.

Specification Differences

The two cards differ in nearly every measurable specification:

• Process Node: 28 nm (Quadro) versus 7 nm (Radeon)
• Die Size: 601 mm² versus 158 mm²
• Transistors: 8,000 million versus 6,400 million
• Transistor Density: 13.3M / mm² versus 40.5M / mm²
• Base Clock: 988 MHz versus 1000 MHz
• Boost Clock: 1114 MHz versus 1445 MHz
• Memory Size: 12 GB versus 3 GB
• Memory Type: GDDR5 versus GDDR6
• Memory Bus Width: 384 bit versus 96 bit
• Memory Bandwidth: 317.4 GB/s versus 168.0 GB/s
• Shading Units: 3072 versus 1408
• TMUs: 192 versus 88
• ROPs: 96 versus 32
• Pixel Rate: 106.9 GPixel/s versus 46.24 GPixel/s
• Texture Rate: 213.9 GTexel/s versus 127.2 GTexel/s
• FP32 Performance: 6.844 TFLOPS versus 4.069 TFLOPS
• TDP: 250 W versus 85 W
• Power Connectors: 1x 8-pin versus None
• Suggested PSU: 600 W versus not specified
• Bus Interface: PCIe 3.0 x16 versus PCIe 4.0 x8
• Display Outputs: 1x DVI, 4x DisplayPort 1.2 versus Portable Device Dependent
• Slot Width: Dual-slot versus not specified
• Release Date: March 2015 versus November 2019

Both share the same DirectX, OpenGL, and Vulkan API support. Neither has RT cores or tensor cores.

Where Each One Wins

The NVIDIA Quadro M6000 wins in every category where raw compute power and memory capacity matter. Its 8.6% lead in the recorded OpenCL benchmark is backed by a 68% advantage in FP32 TFLOPS, an 89% advantage in pixel rate, and a 47% advantage in memory bandwidth. The 12 GB memory pool is four times larger than the Radeon's 3 GB, making it suitable for large datasets, high-resolution textures, and professional visualization workloads that exceed the Radeon's capacity.

The AMD Radeon RX 5300M wins in efficiency and portability. Its 85 W TDP is 66% lower than the Quadro's 250 W, and it requires no external power connectors. The 7 nm process delivers a much higher transistor density, and the boost clock is 331 MHz higher. This makes it viable for thin-and-light laptops where the dual-slot, 267 mm long Quadro cannot physically fit.

The Radeon's FP16 capability at 8.138 TFLOPS is another area where it has a listed advantage, potentially useful for workloads that leverage reduced precision. However, the Quadro's FP32 performance remains superior for general-purpose compute.

The Verdict

The choice between these two GPUs depends entirely on the use case. The NVIDIA Quadro M6000 is the clear performance winner, with an 8.6% lead in the only direct benchmark and substantial advantages in memory capacity, bandwidth, and compute throughput. Its 84th percentile ranking versus the Radeon's 80th percentile confirms its higher standing. For any desktop workstation task involving large models, complex rendering, or memory-intensive compute, the Quadro is the superior option.

The AMD Radeon RX 5300M is the appropriate choice for mobile systems where power and physical size are constraints. Its 85 W TDP and lack of power connectors make it a practical fit for laptops, and its 7 nm architecture provides modern efficiency. The 3 GB memory and 168.0 GB/s bandwidth are limiting factors, but the GPU still achieves 80th percentile performance, placing it in the same league as the GTX TITAN X.

Users who need maximum performance in a stationary workstation should select the Quadro M6000. Users who need a capable GPU for a portable device, and who can work within a 3 GB memory limit, should consider the RX 5300M. The data does not suggest the Radeon can replace the Quadro in professional desktop workloads, but it also shows the Quadro is not a viable mobile solution.