AMD Radeon HD 7970M vs NVIDIA Quadro RTX 4000 Comparison

The NVIDIA Quadro RTX 4000 and the AMD Radeon HD 7970M represent two distinct eras of GPU design, separated by over six years of architectural evolution. The data shows a clear performance gulf, with the Quadro RTX 4000 delivering a dramatic lead in the only shared benchmark, while the HD 7970M’s legacy lies in its historical role as a mobile powerhouse. This analysis breaks down the quantitative evidence from the FACT PACK to illustrate where each card stands relative to its own contemporaries and to each other.

Head-to-Head Benchmarks

The only direct comparison available in the benchmark data is the Geekbench OpenCL test, and the results are starkly one-sided. The NVIDIA Quadro RTX 4000 scores 74540, while the AMD Radeon HD 7970M scores 17019. This translates to a 338% advantage for the Quadro RTX 4000, a massive margin that underscores the generational leap in compute capability. In practical terms, the Quadro RTX 4000 delivers over four times the raw OpenCL performance of the older mobile part.

While the HD 7970M has no wins in the head-to-head data, its placement among its own nearest rivals in the aggregate benchmark score provides context. The HD 7970M’s average benchmark score is 17019, placing it in the 60th percentile of all GPUs. It sits within 0.1% of the NVIDIA GeForce GTX 690 (avg score 17037) and is only 0.4% behind the AMD Radeon RX 7600 XT (avg score 17083). This suggests that despite its age, the HD 7970M’s baseline performance is still competitive with much newer entry-level dedicated graphics solutions, even if it cannot approach the absolute performance of a workstation-class GPU like the Quadro RTX 4000.

The Quadro RTX 4000, with its average benchmark score of 17789, holds a similar 61st percentile ranking. Its nearest rivals include the AMD Radeon HD 7790 (avg score 17666, delta 0.7%), the NVIDIA GeForce RTX 4060 (avg score 17639, delta 0.9%), and the AMD Radeon 780M (avg score 17588, delta 1.1%). This clustering shows that the Quadro RTX 4000, despite being from a professional workstation line, performs similarly in aggregate to mainstream consumer and integrated solutions from a later generation. The delta percentages here are all under 1.5%, indicating a tight performance band among these four cards, which is a far cry from the 338% gap seen against the HD 7970M.

Where Each One Wins

The performance split is a matter of absolute capability versus historical relevance. The NVIDIA Quadro RTX 4000 is the clear winner in every measurable category where data exists. Its 338% lead in OpenCL performance makes it the obvious choice for any modern compute workload, from simulation to rendering. The data shows a single win for the Quadro RTX 4000 in the head-to-head benchmark, and it holds a decisive advantage in sheer throughput.

The AMD Radeon HD 7970M’s “win” is not in performance but in its niche as a mobile-first solution. Its MXM Module slot width and Portable Device Dependent display outputs indicate it was designed for laptops, a form factor the Quadro RTX 4000 cannot occupy with its Single-slot design and 241 mm length. For users seeking to upgrade or repair a legacy high-performance laptop from its era, the HD 7970M is the relevant part. Its 2 GB of memory and 100 W TDP also suggest it was a power-efficient option for its time, though the data does not provide a direct power comparison against the Quadro RTX 4000's 160 W TDP. The HD 7970M’s win is one of purpose and compatibility, not performance.

Architecture Differences

The architectural gap between these two GPUs is enormous, reflecting their different release periods. The NVIDIA Quadro RTX 4000 is built on the Turing architecture, using the TU104 chip fabricated on a 12 nm process at TSMC. This is a massive chip with 13,600 million transistors on a 545 mm² die, yielding a transistor density of 25.0M / mm². Crucially, Turing introduced dedicated hardware features, including 36 RT cores for ray tracing and 288 tensor cores for AI acceleration, which the HD 7970M completely lacks.

In contrast, the AMD Radeon HD 7970M is based on the much older GCN 1.0 architecture, with the Wimbledon chip. It uses a 28 nm TSMC process and integrates just 2,800 million transistors on a 212 mm² die, resulting in a transistor density of 13.2M / mm². This older architecture has no RT cores or tensor cores, and its feature set is limited to DirectX 12 (11_1) support, whereas the Quadro RTX 4000 supports DirectX 12 Ultimate (12_2). The API support difference is significant: the Quadro supports Vulkan 1.4, while the HD 7970M is limited to Vulkan 1.2.170. These architectural differences explain the sheer scale of the performance gap, as the Quadro RTX 4000 is not just faster but fundamentally more capable in terms of modern graphics features.

Specification Differences

The specification sheets for the two cards diverge on nearly every major point. The most obvious difference is in memory: the NVIDIA Quadro RTX 4000 comes with 8 GB of GDDR6 memory on a 256-bit bus, providing 416.0 GB/s of bandwidth. The AMD Radeon HD 7970M has only 2 GB of GDDR5, also on a 256-bit bus, but with a much lower bandwidth of 153.6 GB/s. This memory capacity and bandwidth disparity alone contributes heavily to the performance difference in texture-heavy and large-dataset workloads.

The compute cores tell a similar story. The Quadro RTX 4000 has 2304 shading units, 144 texture mapping units (TMUs), and 64 raster operation units (ROPs). The HD 7970M has 1280 shading units, 80 TMUs, and 32 ROPs. These numbers directly correlate with the fill rates: the Quadro RTX 4000 achieves a pixel rate of 98.88 GPixel/s and a texture rate of 222.5 GTexel/s, while the HD 7970M manages 27.20 GPixel/s and 68.00 GTexel/s, respectively. The floating-point performance (FP32) is also vastly different, with the Quadro RTX 4000 delivering 7.119 TFLOPS versus the HD 7970M’s 2.176 TFLOPS.

Other key differences include the clock speeds. The Quadro RTX 4000 has a base clock of 1005 MHz and a boost clock of 1545 MHz, while the HD 7970M has no listed base or boost clocks in the data, only a memory clock of 1200 MHz (effective 4.8 Gbps). The form factors are also incompatible: the Quadro RTX 4000 is a Single-slot card with a 1x 8-pin power connector and requires a 450 W PSU, while the HD 7970M is an MXM Module with no power connectors and is dependent on the portable device’s own power delivery. The bus interface differs as well, with the Quadro using PCIe 3.0 x16 and the HD 7970M using MXM-B (3.0).

FAQ

Q: How much faster is the NVIDIA Quadro RTX 4000 than the AMD Radeon HD 7970M in OpenCL?

A: The Quadro RTX 4000 scores 74540 in the Geekbench OpenCL test, while the HD 7970M scores 17019, giving the Quadro a 338% lead.

Q: Which GPU has more memory bandwidth?

A: The NVIDIA Quadro RTX 4000 has significantly more bandwidth at 416.0 GB/s, compared to the 153.6 GB/s of the AMD Radeon HD 7970M, despite both using a 256-bit bus.

Q: Does the AMD Radeon HD 7970M support ray tracing?

A: No. The HD 7970M is based on GCN 1.0 architecture and has no RT cores. In contrast, the NVIDIA Quadro RTX 4000 has 36 RT cores.

Q: What is the difference in manufacturing process size?

A: The NVIDIA Quadro RTX 4000 is fabricated on a 12 nm process, while the AMD Radeon HD 7970M uses a larger 28 nm process.

Q: Which card has a higher average benchmark score?

A: The NVIDIA Quadro RTX 4000 has an average benchmark score of 17789, which is higher than the AMD Radeon HD 7970M’s 17019.

Q: Are these cards similar in performance to their nearest rivals?

A: Yes. The Quadro RTX 4000 is within 1.4% of the AMD Radeon Pro 560, and the HD 7970M is within 0.1% of the NVIDIA GeForce GTX 690, based on average scores.

The Verdict

The data unequivocally points to the NVIDIA Quadro RTX 4000 as the superior performer. For anyone needing maximum compute throughput, modern API support, or ray tracing capabilities, the Quadro RTX 4000 is the only choice between the two. Its 338% lead in OpenCL, 8 GB of GDDR6 memory, and 7.119 TFLOPS of FP32 performance make it a viable part for contemporary professional workloads. Its 61st percentile ranking also shows it holds its own against much newer consumer GPUs.

The AMD Radeon HD 7970M, however, should not be dismissed outright. Its 60th percentile ranking against all GPUs shows that, for its age, it remains a competent performer, sitting within 0.4% of the AMD Radeon RX 7600 XT. Its primary value in the modern context is not for new builds but as a drop-in replacement or upgrade for legacy laptops that use the MXM form factor. For that specific purpose, where the Quadro RTX 4000’s size and power requirements are prohibitive, the HD 7970M is the relevant part. In short, the Quadro RTX 4000 wins on every performance metric, while the HD 7970M wins on form factor compatibility for its niche mobile platform.