AMD Radeon HD 8970M vs AMD Radeon RX 5600 XT Comparison

The benchmark data presents a clear generational divide between the AMD Radeon HD 8970M and the AMD Radeon RX 5600 XT. The RX 5600 XT, a desktop-class GPU from 2020, holds a decisive performance advantage over the 2013-era mobile HD 8970M, a result that aligns with the substantial architectural and specification differences between the two. This analysis quantifies those differences using the available benchmark results.

Head-to-Head Benchmarks

The single shared benchmark result between the two GPUs is the Geekbench OpenCL test, and it delivers a resounding victory for the newer AMD Radeon RX 5600 XT. In this compute-centric workload, the RX 5600 XT scores 68,537 points, while the AMD Radeon HD 8970M scores 21,237 points. This represents a deltaPct of -69% for the HD 8970M, meaning the RX 5600 XT is roughly 3.2 times faster in this specific test. This is not a marginal improvement; it is a complete overhaul in raw compute throughput.

Looking at the context provided by the `nearestRivals` fields, the HD 8970M’s score of 21,237 places it in a cluster with GPUs like the AMD Radeon RX Vega M GL (21,153 points, a 0.4% difference) and the NVIDIA GeForce RTX 5050 (21,035 points, a 1% difference). This shows that while the HD 8970M is an old architecture, its OpenCL score is still competitive with much more recent entry-level parts. However, the RX 5600 XT’s score of 68,537 is in a completely different performance tier. Its nearest rivals, based on average score, include the AMD Radeon R9 M390X (20,662 points) and the Intel Arc A750 (20,582 points), but those scores are drastically lower than the RX 5600 XT's OpenCL result. This discrepancy highlights that the RX 5600 XT's OpenCL performance is a standout metric, far outpacing even its own average benchmark score.

The RX 5600 XT also provides data from other benchmark suites, which helps paint a fuller picture of its capabilities. In the Passmark G3D test, it scores 13,457 points, a strong result indicating solid DirectX gaming performance. Its Vulkan score in Geekbench is 56,218, and its Metal score is 80,376, demonstrating robust API support and compute ability. While the HD 8970M has no data for these tests, the sheer magnitude of the RX 5600 XT's OpenCL win in the head-to-head comparison is the definitive factor. The data shows a 69% deficit for the older card, a gap that no other metric could possibly close.

FAQ

Q: Which GPU has a higher score in the Geekbench OpenCL benchmark?

A: The AMD Radeon RX 5600 XT is the clear winner, scoring 68,537 points compared to the AMD Radeon HD 8970M's 21,237 points. The HD 8970M trails by a deltaPct of -69%.

Q: How does the HD 8970M compare to its nearest rivals in average benchmark score?

A: The HD 8970M has an average benchmark score of 21,237. Its nearest rival, the AMD Radeon RX Vega M GL, scores 21,153, which is a 0.4% difference. Another close rival, the NVIDIA GeForce RTX 5050, scores 21,035, a 1% difference.

Q: What is the performance context for the RX 5600 XT's average score?

A: The RX 5600 XT has an average benchmark score of 20,713. Its nearest rival is the AMD Radeon R9 M390X with a score of 20,662, a 0.2% difference. It also sits near the Intel Arc A750, which scores 20,582.

Q: Does the RX 5600 XT support modern graphics APIs like Vulkan and Metal?

A: Yes. Benchmark results show Geekbench Vulkan scores of 56,218 and Geekbench Metal scores of 80,376 for the RX 5600 XT. The HD 8970M's listed API support includes Vulkan 1.2.170, but no benchmark scores for those tests are provided.

Q: Which GPU has a higher pixel fill rate?

A: The AMD Radeon RX 5600 XT has a significantly higher pixel rate of 99.84 GPixel/s, while the AMD Radeon HD 8970M has a pixel rate of 28.80 GPixel/s.

Q: What are the DirectX support levels for each card?

A: The RX 5600 XT supports DirectX 12 (12_1), while the HD 8970M supports DirectX 12 (11_1). The RX 5600 XT's support for the newer feature level indicates a more modern API implementation.

Architecture Differences

The two GPUs are built on fundamentally different architectures from different eras. The AMD Radeon HD 8970M is based on the GCN 1.0 architecture, using the Neptune chip. In contrast, the AMD Radeon RX 5600 XT utilizes the RDNA 1.0 architecture, built on the Navi 10 chip. This architectural shift is the primary driver of the performance difference. RDNA 1.0 was designed from the ground up for higher Instructions Per Clock (IPC) and improved power efficiency compared to the older GCN design.

The manufacturing process is another critical divider. The HD 8970M is fabricated on a 28 nm process at TSMC, while the RX 5600 XT is built on a much more advanced 7 nm process, also at TSMC. This node shrink allows for a massive increase in transistor density. The HD 8970M packs 2,800 million transistors on a die size of 212 mm², resulting in a density of 13.2M / mm². The RX 5600 XT, however, crams 10,300 million transistors into a 251 mm² die, achieving a density of 41.0M / mm². This higher density confirms the advanced manufacturing technology.

The core configurations also differ substantially. The HD 8970M features 1280 shading units, 80 texture mapping units (TMUs), and 32 render output units (ROPs). The RX 5600 XT has a significantly larger configuration with 2304 shading units, 144 TMUs, and 64 ROPs. This increase in execution resources directly translates to higher theoretical performance, as seen in the texture rate (224.6 GTexel/s for the RX 5600 XT vs. 72.00 GTexel/s for the HD 8970M) and FP32 throughput (7.188 TFLOPS vs. 2.304 TFLOPS). Neither GPU features dedicated ray tracing or tensor cores.

Specification Differences

The specification sheets for these two GPUs reveal stark contrasts in every major category. The most obvious difference is the memory subsystem. The HD 8970M uses 4 GB of GDDR5 memory on a 256-bit bus, yielding a bandwidth of 153.6 GB/s. The RX 5600 XT, on the other hand, features 6 GB of GDDR6 memory on a 192-bit bus, but achieves a much higher bandwidth of 288.0 GB/s due to the faster memory clock and newer memory type. The RX 5600 XT's effective memory speed is 12 Gbps, compared to the HD 8970M's 4.8 Gbps.

Clock speeds and power characteristics are also miles apart. The HD 8970M has a base clock of 850 MHz and a boost clock of 900 MHz, with a TDP of 100 W. The RX 5600 XT operates at a base clock of 1130 MHz, a game clock of 1375 MHz, and a boost clock of 1560 MHz, with a higher TDP of 150 W. The physical form factor differs as well; the HD 8970M is an MXM Module intended for laptops, while the RX 5600 XT is a Dual-slot desktop card with a length of 267 mm and a 1x 8-pin power connector. The suggested PSU for the RX 5600 XT is 450 W.

Connectivity and output options highlight their different target markets. The HD 8970M's display outputs are listed as "Portable Device Dependent," reflecting its mobile nature. The RX 5600 XT provides a standard desktop output suite with 1x HDMI 2.0b and 3x DisplayPort 1.4a. The bus interface also differs, with the HD 8970M using PCIe 3.0 x16 and the RX 5600 XT using the newer PCIe 4.0 x16 standard. Furthermore, the RX 5600 XT supports DirectX 12 (12_1) and Vulkan 1.4, while the HD 8970M is limited to DirectX 12 (11_1) and Vulkan 1.2.170. Finally, the RX 5600 XT offers FP16 performance at 14.38 TFLOPS (2:1), a feature absent in the HD 8970M's specifications.

Where Each One Wins

Based on the benchmark data, the AMD Radeon RX 5600 XT wins in every measurable category. The head-to-head OpenCL benchmark is a complete blowout, with the RX 5600 XT scoring 68,537 against the HD 8970M's 21,237. This indicates that for modern compute workloads, OpenCL-based applications, and any task that leverages general-purpose GPU computing, the RX 5600 XT is the only viable option. Its performance in this area is not just better; it is in a different league.

The RX 5600 XT also wins on architectural grounds. Its RDNA 1.0 architecture, 7 nm process, higher clock speeds, and doubled bandwidth all contribute to superior performance. For any gaming scenario, the RX 5600 XT's higher pixel rate (99.84 GPixel/s), texture rate (224.6 GTexel/s), and larger ROP count would provide a significant advantage, especially at higher resolutions and detail settings. Its support for newer API versions like DirectX 12 (12_1) and Vulkan 1.4 also ensures better compatibility and performance in modern titles.

The AMD Radeon HD 8970M, in contrast, finds its "wins" not in performance but in its historical context. The data shows its OpenCL score is competitive with much newer entry-level GPUs like the NVIDIA GeForce RTX 5050, with a deltaPct of just 1%. This suggests that for its time, it was a high-performing mobile part. Its lower TDP of 100 W also makes it a more power-efficient choice for a mobile form factor, though this is a relative strength within its own generation. However, against the RX 5600 XT, it has no benchmark wins. Its niche is limited to legacy systems or tasks where its specific mobile form factor (MXM Module) is required. The data is unambiguous: the RX 5600 XT is the superior performer in every benchmark metric available.