AMD Radeon HD 7970 vs NVIDIA RTX A2000 Comparison

The NVIDIA RTX A2000 and the AMD Radeon HD 7970 are workstation-class graphics cards separated by nearly a decade of silicon development, and the recorded data shows the gap plainly. The A2000, built on Samsung's 8 nm process as part of the Workstation Ampere generation, posts an average benchmark score of 46043 against the HD 7970's 34541, and it sits in the 85th percentile of all GPUs in the database while the Tahiti-based HD 7970 lands in the 79th. Both cards are now end-of-life, both occupy dual-slot form factors, and both were positioned as professional parts rather than pure consumer gaming cards. What follows is a breakdown of where each one holds an advantage, how their architectures diverge, and what the benchmark record says when they are placed side by side.

Where Each One Wins

The RTX A2000 wins essentially everywhere the database has measurements. In the single head-to-head test recorded for both cards, Geekbench OpenCL, the A2000 scores 67695 against 34541, a 96 percent advantage. That is close to a doubling of compute throughput, and it is consistent with the raw specification gap: 7.987 TFLOPS of FP32 compute on the A2000 versus 3.789 TFLOPS on the HD 7970.

The HD 7970 does hold a few narrow specification wins worth noting, even though they do not translate into benchmark victories. Its memory bus is wider, 384 bit against 192 bit, a legacy of its flagship-era positioning. It also has more texture mapping units, 128 against 104, which shows up in texture fill rate, where the two cards are nearly matched: 118.4 GTexel/s for the HD 7970 versus 124.8 GTexel/s for the A2000. That is a rare column where the older card stays competitive rather than being left behind.

Every other measurable category favors the A2000. Pixel fill rate is 57.60 GPixel/s against 29.60 GPixel/s. Memory bandwidth is 288.0 GB/s against 264.0 GB/s, despite the narrower bus, thanks to faster GDDR6 memory running at 12 Gbps effective versus 5.5 Gbps effective GDDR5. Memory capacity doubles, 6 GB against 3 GB. And the A2000 brings hardware feature blocks the HD 7970 simply lacks: 26 RT cores and 104 tensor cores, against zero of either on the GCN 1.0 part.

Power efficiency is another categorical win. The A2000 draws 70 W with no auxiliary power connectors at all, requiring only a suggested 250 W PSU. The HD 7970 draws 250 W, needs one 6-pin and one 8-pin connector, and calls for a suggested 600 W PSU. The older card's board power equals the newer card's entire suggested system power budget.

Architecture Differences

The architectural gulf between these two cards is generational in every sense. The HD 7970 uses the Tahiti chip on TSMC's 28 nm process, packing 4,313 million transistors onto a 352 mm² die for a density of 12.3M per mm². The A2000 uses the GA106 chip on Samsung's 8 nm process, fitting 12,000 million transistors into a smaller 276 mm² die, yielding 43.5M transistors per mm². Nearly three times the transistor count on a smaller piece of silicon is the clearest single illustration of how far process technology moved between the Southern Islands and Ampere generations.

The compute hierarchies differ in kind, not just scale. The HD 7970's GCN 1.0 architecture fields 2048 shading units with no dedicated ray tracing or machine learning hardware. The A2000's Ampere design fields 3328 shading units alongside 26 second-generation RT cores and 104 tensor cores. The tensor cores matter for professional workloads beyond gaming, since they accelerate the matrix operations used in AI-assisted rendering and inference. The A2000 also lists FP16 throughput at 7.987 TFLOPS, a 1:1 ratio with its FP32 rate, while the HD 7970 has no FP16 figure recorded at all.

Feature support follows the same pattern. The A2000 supports DirectX 12 Ultimate at feature level 12_2, including hardware ray tracing, along with Vulkan 1.4 and OpenGL 4.6. The HD 7970 tops out at DirectX 12 running at the 11_1 feature level, with Vulkan 1.2.170 and the same OpenGL 4.6. That DirectX gap is significant: 12 Ultimate certification is what unlocks the modern rendering pipeline the A2000's RT cores are built for, while the HD 7970's feature level excludes it from those paths.

Platform and physical characteristics diverge sharply too. The A2000 uses PCIe 4.0 x16 and offers four mini-DisplayPort 1.4a outputs, with a compact 167 mm by 69 mm board that fits tightly constrained enclosures. The HD 7970 uses PCIe 3.0 x16 and a mixed output array of one DVI, one HDMI 1.4a, and two mini-DisplayPort 1.2 connectors, spread across a much larger 275 mm by 111 mm by 38 mm card. Neither supports the display standards of the newest generation, but the A2000's DisplayPort 1.4a outputs are a full generation ahead of the HD 7970's DisplayPort 1.2.

Head-to-Head Benchmarks

The database contains one direct comparison point between these two cards, and it is decisive. In Geekbench OpenCL, the NVIDIA RTX A2000 scores 67695 and the AMD Radeon HD 7970 scores 34541, a 96 percent margin for the A2000. OpenCL measures general GPU compute, and a near-doubling here tracks almost exactly with the FP32 specification gap of 7.987 TFLOPS versus 3.789 TFLOPS. The data is internally consistent: the benchmark reflects the silicon.

The A2000's additional recorded results reinforce the picture. It scores 69089 in Geekbench Vulkan, slightly above its own OpenCL figure, and 1345 in 3DMark's Steel Nomad DX12 test, a ray tracing-era DirectX 12 benchmark the HD 7970 has no recorded entry for. The absence itself is informative, since the HD 7970's 11_1 feature level and lack of RT cores place it outside the workload's intended envelope.

Context from each card's rival set sharpens the comparison. The A2000's average score of 46043 places it within one percent of the Intel Arc A730M (45592), essentially tied with the NVIDIA RTX 5880 Ada Generation (45972, a 0.2 percent gap), and within striking distance of the AMD Radeon RX 5600M (46601) and Intel Arc A530M (46614), both about 1.2 percent ahead. In other words, the A2000 competes with modern mobile and entry-workstation parts. The HD 7970's average of 34541 sits in a cluster of entry professional cards: the NVIDIA T1000 8 GB (34561, 0.1 percent ahead), NVIDIA A2 (34690, 0.4 percent ahead), NVIDIA TITAN V (34355, 0.5 percent behind), and NVIDIA RTX A1000 (34207, 1 percent behind). A 2012 flagship now rubs shoulders with low-power entry-level professional GPUs, while the A2000 holds its own against contemporary midrange hardware. The percentile figures echo this: 85th versus 79th across all GPUs in the database.

FAQ

Q: How much faster is the RTX A2000 than the HD 7970 in benchmarks?

A: In the one recorded head-to-head test, Geekbench OpenCL, the A2000 scores 67695 versus 34541, a 96 percent advantage. Average benchmark scores across the database show 46043 versus 34541.

Q: Which card is more power efficient?

A: The A2000, by a wide margin. It has a 70 W TDP and no auxiliary power connectors, with a suggested 250 W PSU. The HD 7970 has a 250 W TDP, requires a 6-pin plus 8-pin connector, and suggests a 600 W PSU.

Q: Does either card support ray tracing?

A: Only the A2000. It has 26 RT cores and DirectX 12 Ultimate (12_2) support. The HD 7970 has no RT cores and is limited to DirectX 12 at the 11_1 feature level.

Q: How do their memory configurations compare?

A: The A2000 has 6 GB of GDDR6 on a 192 bit bus at 288.0 GB/s. The HD 7970 has 3 GB of GDDR5 on a wider 384 bit bus at 264.0 GB/s. The A2000 delivers more bandwidth despite the narrower bus.

Q: Are these cards still in production?

A: No. Both are listed as end-of-life. The HD 7970 was released in January 2012 with a launch MSRP of 549 USD, and the A2000 arrived in August 2021 with a launch MSRP of 449 USD.

Q: Which card is smaller physically?

A: The A2000, at 167 mm long and 69 mm tall. The HD 7970 measures 275 mm long, 111 mm tall, and 38 mm wide.

The Verdict

The data leaves little room for debate. The RTX A2000 wins the only head-to-head benchmark by 96 percent, doubles the memory capacity, delivers higher memory bandwidth on a narrower bus, offers roughly double the pixel fill rate, and adds ray tracing and tensor hardware the HD 7970 cannot access at any setting. It does all of this while drawing 70 W without a single auxiliary power connector, fitting into a card roughly 60 percent of the HD 7970's length.

The HD 7970's case rests on history and a lone specification. Its 384 bit bus and 128 texture mapping units keep it marginally competitive in texture fill rate, 118.4 GTexel/s against 124.8 GTexel/s, and its rival cluster shows it still trading places with entry professional cards like the NVIDIA T1000 8 GB and TITAN V. But its feature level ceiling, 3 GB of memory, 250 W power draw, and absent ray tracing support close off the workloads that define the A2000's Steel Nomad and Vulkan results.

For anyone choosing between them on benchmark data alone, the A2000 is the pick for every workload the database measures: compute, modern APIs, and compact low-power deployments. The HD 7970 suits only scenarios where its specific legacy output set, one DVI, one HDMI 1.4a, and two mini-DisplayPort 1.2, or its GCN-era driver position is itself the requirement. On performance, the verdict is one-sided, and the numbers say so twice over.