AMD Radeon HD 7970 vs Intel Arc Pro A30M Comparison

The AMD Radeon HD 7970 and the Intel Arc Pro A30M represent two distinct generations of graphics hardware, separated by a decade of architectural evolution. The data shows a surprising outcome in their single benchmark comparison, with the older AMD card edging out the modern Intel mobile GPU despite vast differences in their design philosophies and specifications. This analysis examines their performance metrics, architectural approaches, and the implications for potential users.

FAQ

Q: Which GPU has the higher OpenCL benchmark score?

A: The AMD Radeon HD 7970 scores 34,541 in Geekbench OpenCL, while the Intel Arc Pro A30M scores 31,894. This gives AMD a win with an 8.3% advantage in the only head-to-head benchmark available.

Q: How do these cards compare in their transistor density?

A: The Intel Arc Pro A30M achieves a significantly higher transistor density of 45.9M per mm², compared to the AMD Radeon HD 7970's 12.3M per mm². This reflects the Intel chip's newer 6 nm process node versus AMD's 28 nm node.

Q: What are the memory specifications for each card?

A: The AMD Radeon HD 7970 features 3 GB of GDDR5 memory on a 384-bit bus, delivering 264.0 GB/s bandwidth. In contrast, the Intel Arc Pro A30M has 4 GB of GDDR6 memory on a 64-bit bus, providing 128.0 GB/s bandwidth.

Q: Which GPU supports hardware ray tracing?

A: The Intel Arc Pro A30M is equipped with 8 ray tracing cores, while the AMD Radeon HD 7970 has no RT cores listed. This indicates Intel's architecture includes dedicated hardware for ray tracing workloads.

Q: How do their power requirements differ?

A: The AMD Radeon HD 7970 has a 250 W TDP and requires both a 6-pin and 8-pin power connector, with a suggested 600 W PSU. The Intel Arc Pro A30M has a 50 W TDP and lists no power connectors, indicating it draws power directly from its mobile platform.

Q: What is the API support difference between the two?

A: The Intel Arc Pro A30M supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, while the AMD Radeon HD 7970 supports DirectX 12 (11_1) and Vulkan 1.2.170. Both cards support OpenGL 4.6.

Architecture Differences

The architectural gap between these two GPUs is substantial, reflecting their different design eras and purposes. The AMD Radeon HD 7970 uses the GCN 1.0 architecture on a 28 nm TSMC process, with a die size of 352 mm² containing 4,313 million transistors. This was a desktop-first design from the Southern Islands generation, built for high power envelopes and maximum throughput in its time.

The Intel Arc Pro A30M, by contrast, employs the Xe-HPG architecture on a 6 nm TSMC process, packing 7,200 million transistors into a much smaller 157 mm² die. This mobile-oriented chip from the Alchemist generation achieves a transistor density of 45.9M per mm²—nearly four times that of the AMD part—demonstrating the dramatic miniaturization advances between 2012 and 2022.

The compute resources differ fundamentally in organization. The AMD card has 2,048 shading units, 128 TMUs, and 32 ROPs, while the Intel card has half the shading units (1,024) and TMUs (64), but maintains the same 32 ROPs. Critically, the Intel architecture adds 8 dedicated ray tracing cores, a feature entirely absent from the AMD GCN design. The Intel GPU also supports FP16 compute at 8.192 TFLOPS with a 2:1 ratio, whereas the AMD card lists no FP16 capability.

Memory architecture showcases another philosophical divide. The AMD Radeon HD 7970 uses a wide 384-bit bus with GDDR5 to achieve 264.0 GB/s bandwidth, while the Intel Arc Pro A30M uses a narrow 64-bit bus with faster GDDR6 memory for 128.0 GB/s. This reflects Intel's focus on power efficiency over raw bandwidth, consistent with its 50 W TDP versus AMD's 250 W TDP.

Head-to-Head Benchmarks

The single benchmark comparison in the data reveals an intriguing result. In Geekbench OpenCL, the AMD Radeon HD 7970 scores 34,541 against the Intel Arc Pro A30M's 31,894, giving AMD an 8.3% victory. This is remarkable given the generational and architectural advantages held by the Intel product.

Examining the nearest rivals provides context for these scores. The AMD card's 34,541 score places it between the NVIDIA TITAN V (34,355, 0.5% lower) and the NVIDIA T1000 8 GB (34,561, 0.1% higher). The Intel GPU's 31,894 score sits near the AMD Radeon Pro 570X (32,176, 0.9% higher) and the NVIDIA TITAN RTX (31,676, 0.7% lower). This suggests both cards occupy similar performance tiers despite their different ages and design goals.

The delta between them is meaningful. An 8.3% advantage in OpenCL compute suggests the AMD card's wider memory bus and higher shading unit count provide real benefits in this workload. The Intel GPU's higher FP32 throughput (4.096 TFLOPS vs 3.789 TFLOPS) does not translate to a benchmark win, implying that memory bandwidth or driver optimization plays a critical role in the OpenCL test.

Specification Differences

The specification sheets reveal numerous divergences between these two products. The AMD Radeon HD 7970 uses a 28 nm process with 4,313 million transistors on a 352 mm² die, while the Intel Arc Pro A30M uses 6 nm with 7,200 million transistors on a 157 mm² die. The Intel part's transistor density of 45.9M per mm² dwarfs AMD's 12.3M per mm².

Clock behavior differs markedly. The Intel GPU has explicit base and boost clocks of 1500 MHz and 2000 MHz, respectively, while the AMD card lists no base or boost clock figures in the data. Memory clocks also differ: AMD runs at 1375 MHz (5.5 Gbps effective) while Intel runs at 2000 MHz (16 Gbps effective).

Memory configurations represent a major split. The AMD card offers 3 GB of GDDR5 on a 384-bit bus with 264.0 GB/s bandwidth, whereas the Intel card provides 4 GB of GDDR6 on a 64-bit bus with 128.0 GB/s bandwidth. The AMD card's bandwidth advantage is substantial, at more than double the Intel figure.

Compute resources differ in both quantity and capability. The AMD card has 2,048 shading units and 128 TMUs, while the Intel card has 1,024 shading units and 64 TMUs. Both have 32 ROPs, but the Intel GPU adds 8 RT cores and FP16 support at 8.192 TFLOPS. Pixel rates favor Intel (64.00 GPixel/s vs 29.60 GPixel/s) due to its higher clocks, while texture rates are closer (128.0 GTexel/s vs 118.4 GTexel/s).

Power and physical specifications contrast sharply. The AMD card draws 250 W with dual-slot cooling and dual power connectors, measuring 275 mm in length. The Intel card sips 50 W with no power connectors and no listed dimensions, reflecting its mobile design. The AMD card uses PCIe 3.0 x16, while the Intel card uses PCIe 4.0 x8.

Where Each One Wins

The AMD Radeon HD 7970 wins in the only direct benchmark comparison, taking the OpenCL test with an 8.3% margin. Its strengths lie in memory bandwidth (264.0 GB/s vs 128.0 GB/s) and raw shading unit count (2,048 vs 1,024), which likely contribute to its compute performance in this specific test. The card also benefits from a wider memory bus and higher TMU count, suggesting advantages in texture-heavy workloads.

The Intel Arc Pro A30M wins on architectural modernity and efficiency. Its 6 nm process delivers far higher transistor density, and its 50 W TDP represents a five-fold reduction in power consumption compared to the AMD card. The Intel GPU offers superior pixel rate (64.00 GPixel/s vs 29.60 GPixel/s), higher FP32 throughput (4.096 TFLOPS vs 3.789 TFLOPS), and exclusive features like 8 RT cores and FP16 support. Its support for DirectX 12 Ultimate and newer Vulkan versions (1.4 vs 1.2.170) positions it better for modern software APIs.

For use cases, the AMD card may be preferable for compute tasks where the OpenCL score matters most, given its demonstrated benchmark advantage. The Intel card seems better suited for power-constrained mobile environments, applications leveraging ray tracing, or workloads that can utilize FP16 computation.

The Verdict

The data presents a complex picture for potential adopters. The AMD Radeon HD 7970, despite being from 2012 and end-of-life, outperforms the Intel Arc Pro A30M in the sole benchmark available, suggesting that its wide memory interface and abundant shading units still hold value in compute scenarios. Its 79th percentile ranking versus the Intel card's 76th percentile reinforces this status.

However, the Intel Arc Pro A30M represents a fundamentally different approach: a power-efficient mobile GPU with modern feature support. Its 50 W TDP, ray tracing capability, and support for current-generation APIs make it a more versatile choice for contemporary software environments, even if its raw OpenCL score trails by 8.3%.

The choice between these two depends entirely on priorities. Those seeking maximum compute performance in the measured workload should select the AMD Radeon HD 7970, which demonstrates that architectures can remain competitive long after their production era ends. Those prioritizing efficiency, modern features, and mobility would find the Intel Arc Pro A30M more appropriate, accepting lower benchmark scores in exchange for a dramatically smaller power footprint and access to newer rendering technologies. The data ultimately shows that benchmark victories do not tell the complete story of a GPU's suitability for every task.