AMD Radeon Pro VII vs AMD Radeon RX 7900M Comparison

# Head-to-Head Benchmarks

The AMD Radeon RX 7900M dominates the AMD Radeon Pro VII in every benchmark where both were tested, but the magnitude of the victory varies dramatically by workload. In Geekbench OpenCL, the RX 7900M posts 117,665 points against the Pro VII's 90,148 points, a 30.5% advantage. This is a substantial lead, but it is far from the most lopsided result in this comparison.

The gap widens considerably in Geekbench Vulkan, where the RX 7900M scores 153,274 points versus the Pro VII's 87,774 points. That represents a 74.6% delta — the RX 7900M nearly doubles the older card's throughput in this API. The data suggests that the architectural gulf between these two generations is most apparent when leveraging modern graphics interfaces, with the RX 7900M's RDNA 3.0 design extracting far more performance from Vulkan's low-level access model than the GCN 5.1-based Pro VII can muster.

There is no head-to-head result in 3DMark Steel Nomad DX12 for the Pro VII, but the RX 7900M scores 4,201 in that test, which places it in the 95th percentile of all GPUs. The Pro VII also sits in the 95th percentile, yet its average benchmark score of 88,961 trails the RX 7900M's 91,713 by 3.1% according to the nearestRivals data. Notably, the RX 7900M's average score edges out the NVIDIA RTX A4500 (92,145) by a mere 0.5%, while the Pro VII sits 3.6% behind the NVIDIA Quadro GP100 (88,528) — though that delta is in the Pro VII's favor, meaning it actually beats the GP100 by that margin.

# Where Each One Wins

Based strictly on the head-to-head data, the RX 7900M wins both available tests, giving it a 2–0 record. There is no benchmark category where the Pro VII emerges victorious. However, the nature of the wins matters for real-world applicability.

The RX 7900M's 74.6% advantage in Vulkan suggests it is the clear choice for workloads that leverage this API — think modern game engines, compute shaders, and cross-platform graphics development. The 30.5% OpenCL lead is still commanding, but it indicates that the Pro VII is comparatively less disadvantaged in OpenCL-centric tasks like scientific computing, machine learning inference, or video encoding pipelines that rely on that framework.

The Pro VII's saving grace is its memory subsystem, which offers a compelling contrast despite the performance deficit. With 16 GB of HBM2 on a 4096-bit bus, it delivers 1.02 TB/s of bandwidth — nearly double the RX 7900M's 576.0 GB/s from GDDR6 on a 256-bit bus. For memory-bound workloads where raw throughput trumps compute throughput — large dataset manipulation, certain simulation codes, or high-resolution texture streaming — the Pro VII's bandwidth advantage could narrow the gap in ways the aggregate benchmarks do not capture. The data does not include such tests, but the specification disparity is stark enough to warrant investigation.

# Architecture Differences

The two GPUs represent fundamentally different design philosophies separated by three years of evolution. The RX 7900M uses the Navi 31 chip built on TSMC's 5 nm process, packing 57,700 million transistors into a 529 mm² die for a density of 109.1M per mm². In contrast, the Pro VII relies on the Vega 20 chip on a 7 nm node, with 13,230 million transistors across a 331 mm² die — a density of just 40.0M per mm². The RX 7900M crams over four times the transistors into a die that is only 60% larger.

Architecturally, the RX 7900M employs RDNA 3.0 with a "Plum Bonito" codename, while the Pro VII uses GCN 5.1 from the Radeon Pro Vega (Vega II) series. This generational leap shows in compute resources: the RX 7900M fields 4,608 shading units, 288 TMUs, and 192 ROPs, versus the Pro VII's 3,840 shaders, 240 TMUs, and 64 ROPs. The pixel rate difference is enormous — 401.3 GPixel/s for the RX 7900M versus 108.8 GPixel/s for the Pro VII — reflecting the ROP count disparity. Texture rate also favors the newcomer at 601.9 GTexel/s against 408.0 GTexel/s.

The RX 7900M adds 72 dedicated ray tracing cores, a feature entirely absent from the Pro VII, which has no RT cores listed. FP32 compute output tells a similar story: 38.52 TFLOPS for the RX 7900M versus 13.06 TFLOPS for the Pro VII, with FP16 figures of 77.05 TFLOPS and 26.11 TFLOPS respectively (both at 2:1 ratio). The RX 7900M also supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, whereas the Pro VII is limited to DirectX 12 (12_1) and Vulkan 1.3.

Memory architecture could not be more different. The RX 7900M uses 16 GB GDDR6 at 2250 MHz (18 Gbps effective) on a 256-bit bus. The Pro VII uses 16 GB HBM2 at 1000 MHz (2 Gbps effective) on a 4096-bit bus. This is why the Pro VII achieves 1.02 TB/s bandwidth despite much slower memory clocks — the bus width is 16 times larger. The RX 7900M's 576.0 GB/s is respectable, but the Pro VII's bandwidth advantage is the one specification where it clearly leads.

# FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 7900M averages 91,713 across its benchmark suite, while the AMD Radeon Pro VII averages 88,961. The RX 7900M leads by 3.1% per the nearestRivals delta.

Q: Does the RX 7900M win every head-to-head test?

A: Yes. In Geekbench OpenCL, the RX 7900M scores 117,665 versus 90,148 (30.5% higher). In Geekbench Vulkan, it scores 153,274 versus 87,774 (74.6% higher). The wins tally is 2–0 in favor of the RX 7900M.

Q: How does the Pro VII's memory bandwidth compare to the RX 7900M's?

A: The Pro VII delivers 1.02 TB/s from 16 GB HBM2 on a 4096-bit bus, while the RX 7900M provides 576.0 GB/s from 16 GB GDDR6 on a 256-bit bus. The Pro VII's bandwidth is roughly 77% higher.

Q: What process nodes do these GPUs use?

A: The RX 7900M is built on TSMC's 5 nm process with 57,700 million transistors. The Pro VII uses TSMC's 7 nm process with 13,230 million transistors.

Q: Does either GPU support ray tracing?

A: Only the RX 7900M has dedicated ray tracing cores (72 of them). The Pro VII lists no RT cores in its specifications.

Q: What is the TDP difference between the two cards?

A: The RX 7900M has a TDP of 180 W and is an IGP (integrated graphics package) with no power connectors. The Pro VII has a 250 W TDP, is a dual-slot card requiring a 600 W suggested PSU, and uses one 6-pin plus one 8-pin power connector.

# Specification Differences

| Specification | AMD Radeon RX 7900M | AMD Radeon Pro VII |

|---|---|---|

| Chip | Navi 31 | Vega 20 |

| Architecture | RDNA 3.0 | GCN 5.1 |

| Codename | Plum Bonito | (none listed) |

| Generation | Navi Mobile (RX 7000M) | Radeon Pro Vega (Vega II Series) |

| Process Node | 5 nm | 7 nm |

| Transistors | 57,700 million | 13,230 million |

| Die Size | 529 mm² | 331 mm² |

| Transistor Density | 109.1M / mm² | 40.0M / mm² |

| Base Clock | 1825 MHz | 1400 MHz |

| Boost Clock | 2090 MHz | 1700 MHz |

| Memory Clock | 2250 MHz (18 Gbps effective) | 1000 MHz (2 Gbps effective) |

| Memory Type | GDDR6 | HBM2 |

| Memory Bus Width | 256 bit | 4096 bit |

| Memory Bandwidth | 576.0 GB/s | 1.02 TB/s |

| Shading Units | 4608 | 3840 |

| TMUs | 288 | 240 |

| ROPs | 192 | 64 |

| RT Cores | 72 | (none) |

| Pixel Rate | 401.3 GPixel/s | 108.8 GPixel/s |

| Texture Rate | 601.9 GTexel/s | 408.0 GTexel/s |

| FP32 | 38.52 TFLOPS | 13.06 TFLOPS |

| FP16 | 77.05 TFLOPS (2:1) | 26.11 TFLOPS (2:1) |

| TDP | 180 W | 250 W |

| Slot Width | IGP | Dual-slot |

| Power Connectors | None | 1x 6-pin + 1x 8-pin |

| Suggested PSU | (not listed) | 600 W |

| Display Outputs | Portable Device Dependent | 6x mini-DisplayPort 1.4a |

| DirectX | 12 Ultimate (12_2) | 12 (12_1) |

| Vulkan | 1.4 | 1.3 |

| Dimensions | (not listed) | 305 mm (12 inches) length, 111 mm (4.4 inches) height |

| Production Status | Active | End-of-life |

| Release Date | 2023-10-18 | 2020-05-12 |

| Predecessor | Polaris Mobile | Radeon Pro Polaris |

| Successor | (none listed) | Radeon Pro Navi |

| Launch MSRP | (not listed) | 1,899 USD |

# The Verdict

The data presents a clear answer for most users: the AMD Radeon RX 7900M is the superior performer by every benchmark metric available. Its 30.5% OpenCL lead and 74.6% Vulkan advantage are decisive, and its 3.1% higher average benchmark score confirms consistency across tests. The RX 7900M also brings modern features — ray tracing cores, DirectX 12 Ultimate, Vulkan 1.4, and a 5 nm process with four times the transistor count — that the Pro VII simply cannot match.

However, the Pro VII is not without a niche. Its 1.02 TB/s memory bandwidth, enabled by HBM2 on a 4096-bit bus, is a specification that the RX 7900M cannot match with its 576.0 GB/s GDDR6 setup. For workloads that are purely bandwidth-limited — and there are many in professional compute — the Pro VII's 77% bandwidth advantage could offset its compute deficit. Additionally, the Pro VII offers six mini-DisplayPort 1.4a outputs as a fixed workstation configuration, whereas the RX 7900M's display outputs are "Portable Device Dependent," meaning it may not drive multi-display setups without external hardware.

The Pro VII is also end-of-life, while the RX 7900M is active production. This matters for long-term driver support and availability. The Pro VII's 250 W TDP and dual-slot form factor with external power connectors make it a traditional workstation card, while the RX 7900M's 180 W IGP design targets mobile platforms — a fundamental difference in deployment scenario.

For gaming, modern compute, or any workload leveraging Vulkan or DirectX 12 Ultimate, the RX 7900M is the only rational choice from this data. For legacy OpenCL pipelines that are memory-throughput-sensitive, the Pro VII's bandwidth advantage deserves consideration, but its 13.06 TFLOPS FP32 output is less than a third of the RX 7900M's 38.52 TFLOPS, making it unlikely to win in compute-heavy scenarios regardless of memory speed. The verdict, based strictly on benchmark results and specifications, is that the RX 7900M is the overwhelmingly stronger GPU for essentially all measured use cases.