AMD Radeon HD 7950 vs Intel Arc Pro A30M Comparison

# AMD Radeon HD 7950 vs Intel Arc Pro A30M

The AMD Radeon HD 7950 and Intel Arc Pro A30M represent two distinct eras of GPU design, separated by over a decade of architectural evolution. The HD 7950, built on GCN 1.0 with a 28 nm process, was a high-power desktop flagship from 2012, while the Arc Pro A30M is a 6 nm mobile professional part from 2022. Their benchmark scores land surprisingly close—the HD 7950 posts 33,951 in Geekbench Metal, while the A30M scores 31,894 in Geekbench OpenCL—but the way they achieve those numbers could hardly be more different. The data reveals a tale of brute force versus efficiency, and the choice between them depends entirely on what workload and platform matter most.

Where Each One Wins

The AMD Radeon HD 7950 wins on raw compute throughput in its preferred API. Its Geekbench Metal score of 33,951 places it in the 78th percentile of all GPUs, which is a strong showing for a card from 2012. Against its nearest rivals, it essentially trades blows with the AMD Radeon RX 480 (33,997, a -0.1% delta) and the AMD Radeon RX 7700S (33,849, a 0.3% delta). This suggests the HD 7950, despite its age, still delivers competitive Metal performance that rivals much newer mid-range parts. The data indicates that for users locked into Apple's Metal ecosystem, the HD 7950 punches above its weight class.

The Intel Arc Pro A30M wins on architectural modernity and efficiency. Its Geekbench OpenCL score of 31,894 places it in the 76th percentile, just two percentiles behind the HD 7950. Its nearest rivals include the NVIDIA TITAN RTX (31,676, a 0.7% delta) and the NVIDIA RTX PRO 4500 Blackwell (31,532, a 1.1% delta), meaning the A30M actually outperforms those high-end NVIDIA workstation cards in this specific OpenCL test. The A30M also wins decisively on power efficiency, with a 50 W TDP compared to the HD 7950's 200 W—a fourfold difference that makes the Intel part far better suited for mobile or thermally constrained environments.

The use-case split is clear: the HD 7950 wins in Metal-centric workloads and offers higher raw FP32 throughput (2.867 TFLOPS vs 4.096 TFLOPS—wait, that actually favors the A30M). Let's re-examine. The A30M has higher FP32 at 4.096 TFLOPS, higher pixel rate (64.00 GPixel/s vs 25.60 GPixel/s), and higher texture rate (128.0 GTexel/s vs 89.60 GTexel/s). The HD 7950 wins on memory bandwidth (240.0 GB/s vs 128.0 GB/s) and has more shading units (1792 vs 1024). So the HD 7950's win comes from its massive 384-bit memory bus and higher bandwidth, which benefits certain memory-bound workloads. The A30M wins on compute density and modern features like ray tracing.

Architecture Differences

The architectural gap between these two GPUs is vast. The HD 7950 uses the Tahiti chip on GCN 1.0 architecture, part of the Southern Islands generation (HD 7900 series). It was fabricated on a 28 nm process at TSMC, packing 4,313 million transistors into a 352 mm² die, yielding a transistor density of 12.3M per mm². This is a classic desktop-first design with a 200 W TDP, dual-slot cooler, and dual 6-pin power connectors.

The Arc Pro A30M uses the DG2-128 chip on Xe-HPG architecture, part of the Alchemist generation (Pro-Series Mobile). It's built on a much more advanced 6 nm process at TSMC, fitting 7,200 million transistors into just 157 mm²—a transistor density of 45.9M per mm², nearly four times denser than the HD 7950. This is a mobile-first design with a 50 W TDP and no power connectors, relying entirely on the PCIe slot for power. The A30M also features 8 ray tracing cores and supports DirectX 12 Ultimate (12_2), while the HD 7950 is limited to DirectX 12 (11_1) with no ray tracing support.

The memory architectures differ fundamentally. The HD 7950 uses 3 GB of GDDR5 on a 384-bit bus, achieving 240.0 GB/s bandwidth. The A30M uses 4 GB of GDDR6 on a 64-bit bus, achieving 128.0 GB/s—exactly half the bandwidth despite newer memory technology. The A30M compensates with higher clocks: its base clock is 1500 MHz, boosting to 2000 MHz, while the HD 7950's memory runs at 1250 MHz (5 Gbps effective). The A30M also supports PCIe 4.0 x8, while the HD 7950 is limited to PCIe 3.0 x16.

FAQ

Q: Which GPU has better raw compute performance?

A: The Intel Arc Pro A30M has higher FP32 throughput at 4.096 TFLOPS, compared to the AMD Radeon HD 7950's 2.867 TFLOPS. The A30M also supports FP16 at 8.192 TFLOPS (2:1), while the HD 7950 has no listed FP16 capability.

Q: How do their memory systems compare?

A: The HD 7950 has 3 GB of GDDR5 on a 384-bit bus with 240.0 GB/s bandwidth. The A30M has 4 GB of GDDR6 on a 64-bit bus with 128.0 GB/s bandwidth. The HD 7950 has double the bandwidth, but the A30M has more capacity and newer memory technology.

Q: Which card is more power-efficient?

A: The Intel Arc Pro A30M consumes 50 W TDP, while the AMD Radeon HD 7950 consumes 200 W TDP. The A30M uses a quarter of the power while delivering higher FP32 performance, making it dramatically more efficient.

Q: Do these GPUs support modern APIs?

A: The A30M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The HD 7950 supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170. The A30M has newer API support, particularly for DirectX 12 Ultimate.

Q: Are either of these GPUs still in production?

A: Both are end-of-life products. The HD 7950 was released on 2012-01-30, and the A30M was released on 2022-08-07. Neither has an active production status.

Q: What are their physical requirements?

A: The HD 7950 is a dual-slot card measuring 278 mm in length, requiring a 550 W power supply and 2x 6-pin connectors. The A30M is a mobile part with no specified dimensions, slot width, or power supply requirement, and needs no power connectors.

Specification Differences

The two GPUs differ in nearly every measurable specification except for ROPs (both have 32) and OpenGL support (both 4.6). Key differences include:

• Process node: 28 nm (HD 7950) vs 6 nm (A30M)
• Transistor count: 4,313 million (HD 7950) vs 7,200 million (A30M)
• Die size: 352 mm² (HD 7950) vs 157 mm² (A30M)
• Transistor density: 12.3M/mm² (HD 7950) vs 45.9M/mm² (A30M)
• Memory: 3 GB GDDR5 (HD 7950) vs 4 GB GDDR6 (A30M)
• Memory bus: 384-bit (HD 7950) vs 64-bit (A30M)
• Memory bandwidth: 240.0 GB/s (HD 7950) vs 128.0 GB/s (A30M)
• Shading units: 1792 (HD 7950) vs 1024 (A30M)
• TMUs: 112 (HD 7950) vs 64 (A30M)
• Ray tracing cores: None (HD 7950) vs 8 (A30M)
• Pixel rate: 25.60 GPixel/s (HD 7950) vs 64.00 GPixel/s (A30M)
• Texture rate: 89.60 GTexel/s (HD 7950) vs 128.0 GTexel/s (A30M)
• FP32: 2.867 TFLOPS (HD 7950) vs 4.096 TFLOPS (A30M)
• TDP: 200 W (HD 7950) vs 50 W (A30M)
• Bus interface: PCIe 3.0 x16 (HD 7950) vs PCIe 4.0 x8 (A30M)
• DirectX: 12 (11_1) (HD 7950) vs 12 Ultimate (12_2) (A30M)
• Vulkan: 1.2.170 (HD 7950) vs 1.4 (A30M)
• Release date: 2012-01-30 (HD 7950) vs 2022-08-07 (A30M)

Head-to-Head Benchmarks

The head-to-head benchmark data is empty, so we rely on each card's individual scores and nearest-rival comparisons. The HD 7950's Geekbench Metal score of 33,951 puts it within 0.1% of the RX 480 (33,997) and 0.3% ahead of the RX 7700S (33,849). This suggests the HD 7950 is competitive with GPUs from 2016 and even 2023 in Metal workloads. It also trails the NVIDIA RTX A2000 12 GB by just 0.6% (34,154), indicating it's nearly on par with a modern workstation GPU in this test.

The A30M's Geekbench OpenCL score of 31,894 puts it 0.7% ahead of the NVIDIA TITAN RTX (31,676), a flagship-class card from NVIDIA's Turing generation. It also beats the NVIDIA RTX PRO 4500 Blackwell by 1.1% (31,532) and trails the AMD Radeon Pro 570X by 0.9% (32,176) and the AMD FirePro S10000 by 1.5% (32,388). This is remarkable for a 50 W mobile part—it's outperforming desktop workstation cards with much higher power envelopes in this specific OpenCL test.

The biggest delta between the two cards' nearest rivals is telling. The HD 7950's closest competitor, the RX 480, is just -0.1% away, meaning the HD 7950 essentially matches a card that was considered a strong 1080p gaming GPU a decade later. The A30M's closest competitor, the TITAN RTX, shows the Intel part at +0.7%, meaning it slightly edges out a card that retailed for thousands of dollars.

In terms of raw specs, the A30M dominates in compute throughput (4.096 TFLOPS vs 2.867 TFLOPS), texture rate (128.0 GTexel/s vs 89.60 GTexel/s), and pixel rate (64.00 GPixel/s vs 25.60 GPixel/s). The HD 7950 fights back only in memory bandwidth (240.0 GB/s vs 128.0 GB/s) and shading unit count (1792 vs 1024).

The Verdict

The data presents a clear generational story. The AMD Radeon HD 7950 wins on Metal performance and memory bandwidth, making it the better choice for users in Apple-centric ecosystems or memory-bound workloads where its 384-bit bus provides a decisive advantage. Its 78th percentile ranking and near-parity with the RX 480 prove that GCN 1.0 had remarkable longevity.

The Intel Arc Pro A30M wins on efficiency, modern features, and raw compute density. Its 50 W TDP versus 200 W means it delivers higher FP32 performance (4.096 TFLOPS vs 2.867 TFLOPS) at a quarter of the power draw. It also brings ray tracing, DirectX 12 Ultimate, and Vulkan 1.4 support—features the HD 7950 simply cannot offer. Its 76th percentile ranking, achieved while beating the NVIDIA TITAN RTX in OpenCL, reflects the efficiency of the Xe-HPG architecture.

For a desktop user with legacy software or Metal-specific needs, the HD 7950's 240.0 GB/s bandwidth and 1792 shading units make it a surprisingly capable choice, even at 200 W. For a mobile professional or anyone prioritizing power efficiency, modern API support, and ray tracing, the A30M is the obvious pick—its 4 GB GDDR6 and 8 RT cores deliver a feature set that the HD 7950 cannot match, regardless of benchmark scores. The 0.1% gap between the HD 7950 and RX 480, and the 0.7% lead of the A30M over the TITAN RTX, suggest both cards punch above their weight in different ways. Choose based on platform, not raw numbers.