AMD Radeon Pro 5300 vs AMD Radeon Pro 580X Comparison

The AMD Radeon Pro 580X and AMD Radeon Pro 5300 are two end-of-life workstation-class GPUs aimed at Apple Mac systems, separated by roughly a year and a full architecture generation. The data shows these two are remarkably close in overall average benchmark scores—the 580X averages 41991, while the 5300 averages 41610, a gap of just 0.9%. Yet they achieve parity through completely different means: the 580X leans on a wider memory bus and more shading units, while the 5300 counters with a smaller, denser chip running at a much higher boost clock. The benchmark results indicate the 5300 wins two of three head-to-head tests, but the 580X takes the Vulkan crown by a wide margin. The choice between them hinges on which API workload matters more, as well as the physical and power constraints of the host system.

The Verdict

Strictly from the benchmark data, the AMD Radeon Pro 5300 is the better all-around pick for OpenCL and Metal workloads. It beats the 580X in Geekbench Metal by a razor-thin 0.2% (50195 vs 50082) and in Geekbench OpenCL by a more substantial 6.5% (38720 vs 36199). For users running CUDA-agnostic compute tasks or Apple-centric Metal applications, the 5300 delivers measurably better performance in two of the three tested scenarios.

The AMD Radeon Pro 580X, however, is the definitive choice for Vulkan-based applications. Its Geekbench Vulkan score of 39693 crushes the 5300's 35915, a 10.5% advantage. This is a significant margin, not a statistical tie. If the software stack relies on Vulkan—common in cross-platform game engines and some professional visualization tools—the older 580X is clearly superior.

For raw compute density, the 5300 is the more efficient option. Its average score of 41610 is within 0.9% of the 580X's 41991, yet it does so with a 85 W TDP versus 185 W. The data shows the 5300 achieves over 90% of the 580X's performance at less than half the power draw. The 5300 also carries a suggested PSU rating of 250 W, while the 580X lists no such figure, indicating the newer card is far less demanding on system power delivery.

The 580X also holds a memory capacity advantage, offering 8 GB of GDDR5 versus 4 GB of GDDR6. For workloads that exceed 4 GB of frame buffer, the 580X is the only viable option. The 5300's smaller 128-bit bus is partially offset by faster 14 Gbps effective memory, yielding a slightly higher bandwidth of 224.0 GB/s versus 218.9 GB/s. Still, raw capacity cannot be substituted with speed.

The verdict: pick the Radeon Pro 5300 for general compute, Metal, and power-sensitive Mac upgrades. Pick the Radeon Pro 580X for Vulkan performance and large memory footprints. Neither card dominates; the 5300 wins 2–1 in head-to-head tests, but the 580X's single win is by the largest margin of any comparison.

FAQ

Q: Which card has a higher average benchmark score?

A: The AMD Radeon Pro 580X, with an average score of 41991. The Radeon Pro 5300 trails slightly at 41610, a difference of 0.9%. The 580X also holds an 84th percentile ranking versus all GPUs, compared to the 5300's 83rd percentile.

Q: How does the Radeon Pro 580X compare to the GeForce RTX 3090?

A: The 580X edges out the RTX 3090 by 1.3% in average score (41991 vs 41441). The Radeon Pro 5300 is also ahead of the RTX 3090, but by a smaller 0.4% margin.

Q: Is the Radeon Pro 5300 better in every benchmark?

A: No. The 5300 wins Geekbench Metal and OpenCL, but the 580X wins Geekbench Vulkan by 10.5%. In the head-to-head results, the 5300 has 2 wins and the 580X has 1 win.

Q: What are the memory specifications of each card?

A: The 580X has 8 GB of GDDR5 on a 256-bit bus with 218.9 GB/s bandwidth. The 5300 has 4 GB of GDDR6 on a 128-bit bus with 224.0 GB/s bandwidth. Despite the smaller bus, the 5300's faster memory provides slightly more bandwidth.

Q: Which card has a higher boost clock?

A: The Radeon Pro 5300 boosts to 1650 MHz, significantly higher than the 580X's 1200 MHz boost. However, the 580X has a higher base clock at 1100 MHz versus 1000 MHz.

Q: Do both cards support the same DirectX version?

A: No. The 580X supports DirectX 12 (12_0), while the 5300 supports DirectX 12 (12_1). Both cards support OpenGL 4.6, but the 5300 supports Vulkan 1.4 versus 1.3 on the 580X.

Architecture Differences

The architectural divide between these two cards is stark. The AMD Radeon Pro 580X is built on GCN 4.0 with the Ellesmere chip, fabricated on a 14 nm process at GlobalFoundries. The AMD Radeon Pro 5300 uses RDNA 1.0 with the Navi 14 chip, built on a 7 nm process at TSMC. This node shrink is the primary driver of efficiency differences: the 580X packs 5,700 million transistors into a 232 mm² die for a density of 24.6M per mm², while the 5300 fits 6,400 million transistors into just 158 mm², achieving 40.5M per mm².

The transistor allocation differs sharply. The 580X fields 2304 shading units, 144 TMUs, and 32 ROPs. The 5300 uses only 1280 shading units and 80 TMUs, but retains 32 ROPs. This means the 580X has 80% more shading units and 80% more texture units than the 5300. Yet the 5300 compensates with a much higher boost clock—1650 MHz versus 1200 MHz—which narrows the raw throughput gap.

Compute rates reflect this balance. The 580X delivers 5.530 TFLOPS of FP32 and 5.530 TFLOPS of FP16 (1:1 ratio). The 5300 produces 4.224 TFLOPS of FP32 but 8.448 TFLOPS of FP16 (2:1 ratio). The 5300's FP16 advantage is notable for mixed-precision workloads, while the 580X is more balanced. Pixel rate favors the 5300 at 52.80 GPixel/s versus 38.40 GPixel/s, thanks to the higher clock. Texture rate favors the 580X at 172.8 GTexel/s versus 132.0 GTexel/s, due to the extra TMUs.

The bus interfaces differ as well. The 580X uses Apple MPX, while the 5300 uses PCIe 4.0 x8. Display outputs also separate them: the 580X has 2x HDMI 2.0b, while the 5300 lists no outputs. This makes the 580X a more self-contained solution, while the 5300 may rely on host display routing.

Specification Differences

The two cards diverge on nearly every meaningful specification. The 580X was released on 2019-03-17, while the 5300 arrived on 2020-08-03. The 580X uses GDDR5 memory, the 5300 uses GDDR6. Memory capacity is 8 GB versus 4 GB. Bus width is 256-bit versus 128-bit. Bandwidth is 218.9 GB/s versus 224.0 GB/s.

Clock speeds differ significantly: the 580X has a 1100 MHz base and 1200 MHz boost; the 5300 has a 1000 MHz base and 1650 MHz boost. Memory clocks are 1710 MHz (6.8 Gbps effective) on the 580X and 1750 MHz (14 Gbps effective) on the 5300. Power consumption is a major differentiator: 185 W TDP for the 580X versus 85 W for the 5300. The 5300 also lists a suggested PSU of 250 W, while the 580X has no such figure.

The 5300 has no power connectors, while the 580X has none listed. Both are IGP slot width. The 580X has display outputs; the 5300 has none. API support differs: DirectX 12 (12_0) on the 580X versus 12 (12_1) on the 5300, and Vulkan 1.3 versus 1.4. Both share OpenGL 4.6. The 5300's transistor density is 40.5M / mm², far higher than the 580X's 24.6M / mm², reflecting the newer process.

Head-to-Head Benchmarks

The Geekbench Metal test shows a near-dead heat. The Radeon Pro 5300 scores 50195 against the 580X's 50082, a margin of only 0.2%. This is within run-to-run variance territory, and the data suggests both cards perform identically for Metal-based rendering tasks. The 5300's win here is statistically negligible.

The Geekbench OpenCL test is a clearer victory for the 5300. It scores 38720 versus 36199 for the 580X, a 6.5% advantage. This is the largest margin of the 5300's two wins. OpenCL is widely used in compute-heavy professional applications, so this delta gives the 5300 a practical edge for general GPU compute workloads.

The Geekbench Vulkan test flips the script decisively. The 580X scores 39693, while the 5300 manages only 35915. That is a 10.5% lead for the 580X, the single biggest performance gap in any head-to-head comparison. Vulkan is increasingly common in modern game engines and real-time rendering, so the 580X holds a meaningful advantage for those use cases.

Looking at the broader competitive landscape, both cards sit in a tight cluster. The 580X's nearest rivals include the NVIDIA Tesla M40 (41897, 0.2% behind), the GeForce RTX 5070 (41687, 0.7% behind), and the RTX 3090 (41441, 1.3% behind). The 5300's nearest rivals are the RTX 5070 (41687, 0.2% ahead), the RTX 3090 (41441, 0.4% ahead), and the Tesla M40 (41897, 0.7% behind). The data shows both cards are effectively interchangeable with high-end consumer and workstation GPUs from NVIDIA, trading wins within a 1.3% band. The 5300's average score of 41610 places it just below the 580X's 41991, but the per-test results show each card has distinct strengths.