AMD Radeon PRO W7600 vs AMD Radeon RX 7900M Comparison

# AMD Radeon RX 7900M vs AMD Radeon PRO W7600

The AMD Radeon RX 7900M and AMD Radeon PRO W7600 represent two distinct philosophies within AMD's RDNA 3.0 lineup: the former is a mobile flagship engineered for raw performance, while the latter is a professional workstation card optimized for stability and efficiency. Benchmark data reveals a decisive performance gap, but the architectural and specification differences tell a more nuanced story about which GPU belongs in which system.

Head-to-Head Benchmarks

The head-to-head results are unambiguous. In Geekbench OpenCL, the RX 7900M scores 129,499 against the PRO W7600's 81,528, a 58.8% advantage. The Vulkan gap widens further: the 7900M posts 158,760 versus 92,688, a 71.3% lead. These are not marginal differences; the 7900M is performing at a level that places it in an entirely different performance tier.

Context from the nearestRivals data reinforces this. The RX 7900M's average benchmark score is 97,487, sitting at the 94th percentile among all GPUs. Its closest rival, the AMD Radeon Pro VII, scores 97,131 (0.4% behind), while the NVIDIA Quadro RTX 6000 comes in at 101,872 (4.3% ahead). The PRO W7600, by contrast, averages 87,108 at the 93rd percentile, with its nearest rival being the NVIDIA Quadro GP100 at 87,445 (0.4% ahead). While both cards sit near the top of the GPU distribution, the 7900M's 11.9% average score advantage over the PRO W7600 is substantial.

The deltaPct values in the head-to-head tests are telling. A 58.8% OpenCL lead and a 71.3% Vulkan lead indicate that the 7900M's advantage is not workload-specific but fundamental. Interestingly, Vulkan shows an even larger gap than OpenCL, suggesting the 7900M's additional compute resources scale particularly well with low-level API access. The PRO W7600's Vulkan score of 92,688 is actually lower than its OpenCL score relative to the 7900M, hinting that its smaller shader array may bottleneck in draw-call-heavy scenarios.

Architecture Differences

Both GPUs share the RDNA 3.0 architecture, but they diverge sharply in implementation. The RX 7900M uses the Navi 31 chip, built on TSMC's 5 nm process with a codename of "Plum Bonito" and a generation tag of Navi Mobile (RX 7000M). The PRO W7600 employs the Navi 33 chip, fabricated on a larger 6 nm process with the codename "Hotpink Bonefish" and a Radeon Pro Navi (Navi III Series) generation label.

The transistor counts reveal the scale disparity: the 7900M packs 57,700 million transistors across a 529 mm² die, yielding a density of 109.1M transistors per mm². The PRO W7600 contains just 13,300 million transistors on a 204 mm² die, with a density of 65.2M per mm². This is not a simple die shrink; the 7900M is fundamentally a larger, more complex chip with 4.3 times the transistor budget.

Memory architecture further separates them. The 7900M features 16 GB of GDDR6 on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The PRO W7600 offers 8 GB on a 128-bit bus, halving bandwidth to 288.0 GB/s. Both run memory at 2250 MHz (18 Gbps effective), but the wider bus gives the 7900M a decisive throughput advantage that matters for large datasets and high-resolution textures.

The compute unit counts scale accordingly. The 7900M has 4,608 shading units, 288 TMUs, 192 ROPs, and 72 ray accelerators. The PRO W7600 fields 2,048 shaders, 128 TMUs, 64 ROPs, and 32 ray accelerators — exactly half in most categories. Pixel rate is 401.3 GPixel/s versus 156.2 GPixel/s, and texture rate is 601.9 GTexel/s versus 312.3 GTexel/s. FP32 throughput stands at 38.52 TFLOPS versus 19.99 TFLOPS, with FP16 at 77.05 TFLOPS versus 39.98 TFLOPS (both 2:1 ratios).

Clock speeds tell a different story. The 7900M has a higher base clock (1825 MHz vs 1720 MHz) but a lower boost clock (2090 MHz vs 2440 MHz). The PRO W7600's 350 MHz boost advantage suggests it can sustain higher peak frequencies, likely due to its smaller die and lower thermal density. Yet even with this clock advantage, the PRO W7600 cannot overcome the 7900M's 2.25x shader count.

FAQ

Q: Which card has a higher average benchmark score?

A: The AMD Radeon RX 7900M has an average benchmark score of 97,487, which is 11.9% higher than the AMD Radeon PRO W7600's 87,108. The 7900M sits at the 94th percentile of all GPUs, while the PRO W7600 is at the 93rd percentile.

Q: How much faster is the RX 7900M in Vulkan workloads?

A: In Geekbench Vulkan, the RX 7900M scores 158,760 versus the PRO W7600's 92,688, a 71.3% advantage. This is the largest performance gap between the two cards in any benchmark test.

Q: Do both cards support the same graphics APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. They also share the same RDNA 3.0 architecture, so software compatibility should be identical.

Q: What are the power requirements for each card?

A: The RX 7900M has a TDP of 180 W and requires no power connectors (it is an integrated GPU for mobile platforms). The PRO W7600 has a 130 W TDP, uses a single 6-pin power connector, and AMD suggests a 300 W power supply.

Q: How do the memory configurations compare?

A: The RX 7900M has 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth. The PRO W7600 has 8 GB of GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth. Both run at 2250 MHz (18 Gbps effective).

Q: Which card has a higher boost clock?

A: The PRO W7600 boosts to 2440 MHz, which is 350 MHz higher than the RX 7900M's 2090 MHz boost. However, the 7900M has a higher base clock at 1825 MHz versus 1720 MHz.

Specification Differences

The two cards differ across nearly every measurable specification. The 7900M uses the Navi 31 chip on a 5 nm process with 57,700 million transistors on a 529 mm² die, while the PRO W7600 uses Navi 33 on 6 nm with 13,300 million transistors on 204 mm². Transistor density is 109.1M/mm² versus 65.2M/mm².

Memory is another clear divider: 16 GB versus 8 GB GDDR6, 256-bit versus 128-bit bus, and 576.0 GB/s versus 288.0 GB/s bandwidth. The compute units scale similarly: 4,608 vs 2,048 shading units, 288 vs 128 TMUs, 192 vs 64 ROPs, and 72 vs 32 ray accelerators. Pixel rate is 401.3 vs 156.2 GPixel/s, and texture rate is 601.9 vs 312.3 GTexel/s. FP32 performance is 38.52 vs 19.99 TFLOPS, with FP16 at 77.05 vs 39.98 TFLOPS.

Clock behavior differs inversely: base clocks are 1825 MHz vs 1720 MHz, but boost clocks are 2090 MHz vs 2440 MHz. The 7900M has a 180 W TDP and is an IGP with no power connectors, while the PRO W7600 is a single-slot card with a 130 W TDP, one 6-pin connector, and a 300 W suggested PSU. The PRO W7600 has a PCIe 4.0 x8 interface versus the 7900M's x16, and it offers 4x DisplayPort 2.1 outputs versus the 7900M's "Portable Device Dependent" outputs. The PRO W7600 is 241 mm (9.5 inches) long and 115 mm (4.5 inches) tall; the 7900M has no listed dimensions. Release dates are October 18, 2023 for the 7900M and August 2, 2023 for the PRO W7600.

Where Each One Wins

The RX 7900M wins decisively in raw compute performance. It leads by 58.8% in OpenCL and 71.3% in Vulkan, with a 11.9% higher average benchmark score. Its 16 GB memory buffer and 576.0 GB/s bandwidth make it better suited for large dataset loading and high-resolution rendering. The 2.25x shader count and 2.25x ray accelerator count suggest it will handle ray-traced workloads and complex shading far more effectively.

The PRO W7600 wins in efficiency per watt. Its 130 W TDP is 50 W lower than the 7900M's 180 W, yet it still achieves 93rd percentile performance. The higher boost clock (2440 MHz vs 2090 MHz) indicates it can reach peak frequencies more readily, likely due to better thermal characteristics. Its single-slot form factor, 4x DisplayPort 2.1 outputs, and PCIe 4.0 x8 interface make it a practical choice for workstations with limited space. The 300 W suggested PSU means it can drop into existing professional systems without major power upgrades.

The 7900M's nearest rival list is telling: it trades blows with the AMD Radeon Pro VII (0.4% behind), NVIDIA Quadro RTX 6000 (4.3% ahead), AMD Radeon Instinct MI60 (5.4% ahead), and NVIDIA RTX A4500 (6.3% ahead). The PRO W7600's rivals — NVIDIA Quadro GP100 (0.4% ahead), NVIDIA CMP 40HX (1.7% ahead), NVIDIA RTX A4500 Mobile (4.4% behind), and NVIDIA RTX A4500 (5.0% behind) — occupy a lower performance band entirely.

The Verdict

The data is clear: the AMD Radeon RX 7900M is the superior performer by every benchmark metric presented. Its 58.8% OpenCL lead and 71.3% Vulkan lead over the PRO W7600 are not incremental improvements but generational leaps. For users prioritizing raw compute throughput, 16 GB of memory, or ray tracing capability, the 7900M is the only choice between these two.

The AMD Radeon PRO W7600 serves a different purpose. Its lower TDP, single-slot design, and professional display outputs make it suitable for compact workstations where space is at a premium and power delivery is limited. The 4x DisplayPort 2.1 connectivity and 300 W PSU requirement suggest it is designed for multi-monitor professional workflows rather than peak performance.

The 7900M's mobile nature — it is an IGP with "Portable Device Dependent" outputs and no power connectors — means it will appear in laptops where its 180 W TDP is manageable. The PRO W7600 is a desktop card with fixed dimensions and a 6-pin power requirement. The choice ultimately comes down to platform: if you need a laptop GPU, the 7900M is unmatched; if you need a professional desktop card with modest power draw, the PRO W7600 fits that niche, though it will leave significant performance on the table compared to the 7900M's capability.