AMD Radeon Pro 5300 vs AMD Radeon RX 6900 XT Comparison

Head-to-Head Benchmarks

The benchmark data leaves no ambiguity: the AMD Radeon RX 6900 XT wins every recorded head-to-head test against the AMD Radeon Pro 5300. In the three shared workloads, the RX 6900 XT delivers a Geekbench Metal score of 177,021 versus 48,070 for the Pro 5300, a 268.3% advantage. The gap widens further in Geekbench OpenCL, where the RX 6900 XT scores 187,673 against 38,747, a 384.4% lead. The Vulkan result is similarly lopsided: 148,525 versus 35,793, a 315% difference. These are not marginal wins; the RX 6900 XT is between roughly 2.7x and 3.8x faster depending on the API.

The average benchmark score reinforces this hierarchy. The RX 6900 XT averages 50,951 across its full benchmark suite, while the Pro 5300 averages 40,870. That is a 24.7% gap in aggregate performance, though the head-to-head deltas are far larger because the shared tests are compute-heavy workloads where the RX 6900 XT's massive shading core count dominates.

Context from the nearest rivals helps position both cards. The RX 6900 XT sits at the 86th percentile of all GPUs in the database. Its closest competitor, the NVIDIA CMP 50HX, averages 51,790, which is only 1.6% ahead of the RX 6900 XT. The AMD Radeon RX Vega 64 trails by 1.9%, the NVIDIA GeForce RTX 5070 Ti trails by 2%, and the Intel Arc A550M trails by 2.4%. The RX 6900 XT is therefore clustered tightly with a group of high-end cards, all within a few percentage points of each other.

The Pro 5300, by contrast, sits at the 82nd percentile, which is surprisingly close given the massive head-to-head deficits. Its nearest rival is the NVIDIA GeForce RTX 3080 Ti, which averages 41,187, a mere 0.8% ahead. The NVIDIA GeForce RTX 5070 trails by 1.2%, the AMD Radeon Pro 580 by 1.4%, and the AMD Radeon Pro WX 7100 by 2%. The Pro 5300's percentile rank is high because the database includes many weaker integrated and entry-level GPUs; within its own peer group, it is competitive, but that peer group is far below the RX 6900 XT's tier.

The single largest win for the RX 6900 XT comes in Geekbench OpenCL, where its 384.4% lead over the Pro 5300 is the most extreme delta in the shared set. The smallest relative win is in Geekbench Metal at 268.3%, yet even that is a dominant margin. The Pro 5300 has no recorded win in any shared test, and the RX 6900 XT claims all three head-to-head victories.

Where Each One Wins

The RX 6900 XT wins across every benchmark category where both cards have data. In Geekbench Metal, OpenCL, and Vulkan, it is decisively ahead, which indicates broad compute and graphics superiority rather than strength in a single narrow workload. The RX 6900 XT also has a much richer benchmark history: it has recorded scores in 3DMark Steel Nomad DX12, Passmark DirectX 9/10/11/12, Passmark G2D, Passmark G3D, and Passmark GPU Compute, in addition to the three Geekbench tests. The Pro 5300 only has Geekbench Metal, OpenCL, and Vulkan scores in the database.

For users prioritizing raw compute throughput, the RX 6900 XT is the clear choice. Its FP32 performance of 23.04 TFLOPS versus 4.224 TFLOPS for the Pro 5300 means it can handle substantially heavier simulation, rendering, and machine learning workloads. The texture rate difference is equally stark: 720.0 GTexel/s versus 132.0 GTexel/s. Pixel throughput also favors the RX 6900 XT at 288.0 GPixel/s versus 52.80 GPixel/s.

The Pro 5300 does have one practical advantage: power draw. Its 85 W TDP is far lower than the RX 6900 XT's 300 W, and it requires no external power connectors, whereas the RX 6900 XT needs two 8-pin connectors. The Pro 5300 also carries a 250 W suggested PSU rating versus 700 W for the RX 6900 XT. For systems with strict power budgets or compact chassis, the Pro 5300's efficiency profile is meaningful, even if its performance is far lower. The Pro 5300 is also an IGP (integrated graphics processor) slot design with no display outputs, so it is intended for systems where the GPU is not the primary video output source.

The RX 6900 XT, by contrast, is a triple-slot card with 1x HDMI 2.1, 2x DisplayPort 1.4a, and 1x USB Type-C outputs, making it suitable for direct display connection. The Pro 5300's lack of outputs means it relies on other means for display, which limits its use case to compute or rendering tasks in systems with separate display adapters.

Architecture Differences

The two cards come from different RDNA generations. The RX 6900 XT uses RDNA 2.0 architecture on the Navi 21 chip, while the Pro 5300 uses RDNA 1.0 on the Navi 14 chip. Both are fabricated on TSMC's 7 nm process, but the chip designs diverge sharply in scale. Navi 21 packs 26,800 million transistors across a 520 mm² die, giving a transistor density of 51.5M per mm². Navi 14 contains 6,400 million transistors on a 158 mm² die, with a density of 40.5M per mm².

The RX 6900 XT features 80 dedicated ray tracing cores, a hallmark of RDNA 2.0. The Pro 5300 has no ray tracing cores at all. This is a fundamental architectural difference: the RX 6900 XT can accelerate ray-traced workloads in hardware, while the Pro 5300 cannot. The RX 6900 XT also supports DirectX 12 Ultimate (12_2), whereas the Pro 5300 only reaches DirectX 12 (12_1). Both cards support OpenGL 4.6 and Vulkan 1.4.

The shading engine counts reflect the generational gap. The RX 6900 XT has 5,120 shading units, 320 texture mapping units, and 128 ROPs. The Pro 5300 has 1,280 shading units, 80 TMUs, and 32 ROPs. That is exactly four times more shading units, four times more TMUs, and four times more ROPs for the RX 6900 XT. The FP16 throughput scales similarly: 46.08 TFLOPS (2:1) for the RX 6900 XT versus 8.448 TFLOPS (2:1) for the Pro 5300.

The bus interface also differs. The RX 6900 XT uses PCIe 4.0 x16, while the Pro 5300 uses PCIe 4.0 x8. This halves the available host bandwidth for the Pro 5300, which can matter in data-heavy workloads that stream geometry or textures from system memory. The RX 6900 XT's memory subsystem is correspondingly larger: 16 GB GDDR6 on a 256-bit bus with 512.0 GB/s bandwidth versus 4 GB GDDR6 on a 128-bit bus with 224.0 GB/s bandwidth.

Specification Differences

The clock speeds differ substantially. The RX 6900 XT has a base clock of 1825 MHz, a game clock of 2015 MHz, and a boost clock of 2250 MHz. The Pro 5300 has a base clock of 1000 MHz and a boost clock of 1650 MHz, with no recorded game clock. Memory clocks also differ: the RX 6900 XT runs at 2000 MHz with 16 Gbps effective transfer, while the Pro 5300 runs at 1750 MHz with 14 Gbps effective.

Memory capacity is a major differentiator: 16 GB versus 4 GB. The bus width is 256-bit versus 128-bit, and bandwidth is 512.0 GB/s versus 224.0 GB/s. The RX 6900 XT's 16 GB frame buffer is better suited for high-resolution textures and large datasets, while the Pro 5300's 4 GB is a limiting factor for modern workloads.

Physical specifications differ as well. The RX 6900 XT measures 267 mm in length (10.5 inches), 120 mm in height (4.7 inches), and 50 mm in width (2 inches). The Pro 5300 has no recorded dimensions in the database. The RX 6900 XT is triple-slot, while the Pro 5300 is listed as IGP slot width. Power connectors are 2x 8-pin for the RX 6900 XT and none for the Pro 5300.

The TDP is 300 W for the RX 6900 XT and 85 W for the Pro 5300. Suggested PSU is 700 W versus 250 W. Release dates are close: the RX 6900 XT launched on 2020-10-27, and the Pro 5300 on 2020-08-03. Both are marked end-of-life. The RX 6900 XT has a launch MSRP of 999 USD. The Pro 5300 has no recorded launch MSRP. The RX 6900 XT's predecessor is Navi, and its successor is Navi III; the Pro 5300 has neither recorded.

FAQ

Q: Which card has higher raw compute performance?

A: The RX 6900 XT, with 23.04 TFLOPS FP32 versus 4.224 TFLOPS for the Pro 5300. In Geekbench OpenCL, the RX 6900 XT scores 187,673 against 38,747, a 384.4% lead.

Q: Does the Pro 5300 support ray tracing?

A: No. The Pro 5300 has no ray tracing cores, while the RX 6900 XT has 80 dedicated ray tracing cores.

Q: How do the memory configurations compare?

A: The RX 6900 XT has 16 GB GDDR6 on a 256-bit bus with 512.0 GB/s bandwidth. The Pro 5300 has 4 GB GDDR6 on a 128-bit bus with 224.0 GB/s bandwidth.

Q: Which card is more power-efficient?

A: The Pro 5300, with an 85 W TDP and no external power connectors. The RX 6900 XT has a 300 W TDP and requires 2x 8-pin connectors.

Q: What is the percentile ranking of each card?

A: The RX 6900 XT is at the 86th percentile of all GPUs, and the Pro 5300 is at the 82nd percentile. Despite the large performance gap, both rank in the upper tier of the database.

Q: Can either card be used for direct display output?

A: Only the RX 6900 XT, which has 1x HDMI 2.1, 2x DisplayPort 1.4a, and 1x USB Type-C. The Pro 5300 has no display outputs.

The Verdict

The choice is clear for anyone who needs maximum performance: the RX 6900 XT wins every measured benchmark, delivers 5.5x the FP32 throughput, has 4x the memory capacity, and supports hardware ray tracing. Its 86th percentile standing, with nearest rivals all within roughly 2.4% of its average score, places it in a competitive high-end tier. The 268.3% to 384.4% head-to-head margins over the Pro 5300 are not close calls; they reflect a fundamentally different performance class.

The Pro 5300 is the appropriate pick only when power constraints dominate. Its 85 W TDP, no external power connectors, and 250 W suggested PSU make it suitable for low-power systems. It also holds its own in its peer group, with rivals like the NVIDIA GeForce RTX 3080 Ti only 0.8% ahead and the AMD Radeon Pro 580 only 1.4% behind. Its 82nd percentile ranking is respectable, but that ranking is achieved despite being outclassed by the RX 6900 XT in every shared workload.

For gaming, rendering, compute, or any workload where performance matters, the RX 6900 XT is the only rational choice from these two. For a system with severe power or space limitations, the Pro 5300 offers a functional, if far slower, alternative. The data does not support any other conclusion.