AMD Radeon 780M vs AMD Radeon RX 9050 OEM Comparison

FAQ

Q: What is the architectural generation difference between the two GPUs?

A: The AMD Radeon 780M uses the RDNA 3.0 architecture on the Phoenix chip, while the AMD Radeon RX 9050 OEM uses the newer RDNA 4.0 architecture on the Navi 44 chip. Both are manufactured on a 4 nm process at TSMC.

Q: How do the core counts compare?

A: The Radeon 780M has 768 shading units, 48 TMUs, and 32 ROPs. The Radeon RX 9050 OEM has 1024 shading units, 64 TMUs, and 64 ROPs. The RX 9050 OEM also has 16 ray tracing cores versus 12 on the 780M.

Q: What memory configurations do these GPUs use?

A: The Radeon 780M uses system shared memory with bandwidth that is system dependent. The Radeon RX 9050 OEM has 4 GB of dedicated GDDR6 memory on a 64-bit bus with 144.0 GB/s bandwidth.

Q: Which GPU has a higher boost clock?

A: The Radeon 780M has a boost clock of 2900 MHz, which is higher than the Radeon RX 9050 OEM's boost clock of 2600 MHz. However, the RX 9050 OEM has a higher base clock at 1330 MHz versus 800 MHz.

Q: What is the thermal design power difference?

A: The Radeon 780M is an IGP with a 15 W TDP and no power connectors. The Radeon RX 9050 OEM is a dual-slot card with a 92 W TDP, one 8-pin power connector, and a suggested PSU of 250 W.

Q: Do both GPUs support the same graphics APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RX 9050 OEM adds dedicated display outputs (1x HDMI 2.1b and 2x DisplayPort 2.1a), while the 780M's outputs are motherboard dependent.

Architecture Differences

The Radeon 780M and Radeon RX 9050 OEM represent two distinct points in AMD's GPU lineup. The 780M is an integrated graphics processor built on the Phoenix chip with RDNA 3.0 architecture, part of the Navi III IGP generation. The RX 9050 OEM is a discrete add-in card based on the Navi 44 chip with the newer RDNA 4.0 architecture, belonging to the Radeon RX 9000 series.

The transistor counts reveal a meaningful gap in complexity. The 780M integrates 25,390 million transistors on a 178 mm² die, yielding a density of 142.6M per mm². The RX 9050 OEM packs 29,700 million transistors on a larger 199 mm² die, with a slightly higher density of 149.2M per mm². Both use TSMC's 4 nm process, so the difference comes from the larger chip and architectural changes rather than a node advantage.

The compute configuration differs substantially. The RX 9050 OEM has 1024 shading units, 64 TMUs, and 64 ROPs, compared to 768 shading units, 48 TMUs, and 32 ROPs on the 780M. The RX 9050 OEM also has 16 ray tracing cores versus 12 on the 780M. These are not just incremental bumps; the 64 ROPs on the RX 9050 OEM represent double the pixel throughput capacity of the 780M.

Clock behavior is an interesting inversion. The 780M has a boost clock of 2900 MHz, which is higher than the RX 9050 OEM's 2600 MHz boost. However, the RX 9050 OEM has a game clock of 1920 MHz and a base clock of 1330 MHz, while the 780M's base clock is only 800 MHz. The 780M's high boost is typical of mobile IGPs that can spike briefly, while the RX 9050 OEM's sustained game clock reflects a discrete card designed for continuous load.

Memory architecture is fundamentally different. The 780M relies on system shared memory with no dedicated VRAM, making bandwidth entirely dependent on the host system's RAM configuration. The RX 9050 OEM has 4 GB of GDDR6 memory on a 64-bit bus, delivering a fixed 144.0 GB/s. This dedicated memory gives the RX 9050 OEM predictable performance, whereas the 780M's performance can vary widely based on the system it is paired with.

The RX 9050 OEM uses a PCIe 5.0 x16 interface, while the 780M uses PCIe 4.0 x8. This matters for data transfer between the GPU and CPU, particularly for the 780M which depends on shared memory. The RX 9050 OEM also has explicit display outputs (HDMI 2.1b and two DisplayPort 2.1a), while the 780M's outputs depend entirely on the motherboard.

Head-to-Head Benchmarks

Direct head-to-head benchmark data is limited because the RX 9050 OEM has no recorded benchmark scores in the database. The 780M has three recorded tests: a 3DMark Steel Nomad DX12 score of 480, a Geekbench OpenCL score of 18602, and a Geekbench Vulkan score of 33683.

The absence of RX 9050 OEM scores makes direct comparison impossible, but the available data still provides context. The 780M's average benchmark score is 17588, placing it at the 61st percentile among all GPUs. Its nearest rivals include the AMD Radeon Pro 560 (avg score 17551, 0.2% behind), the NVIDIA GeForce RTX 4060 (avg score 17639, 0.3% ahead), and the AMD Radeon HD 7790 (avg score 17666, 0.4% ahead).

The RX 9050 OEM's average benchmark score is listed as 0 with a 50th percentile ranking, which indicates no completed benchmark runs have been recorded. This means the database currently cannot quantify how the RX 9050 OEM performs relative to the 780M or any other GPU.

What can be inferred comes from specification differences. The RX 9050 OEM's FP32 throughput is 10.65 TFLOPS versus 8.909 TFLOPS on the 780M, a roughly 20% advantage in raw compute. The pixel rate is 166.4 GPixel/s on the RX 9050 OEM versus 92.80 GPixel/s on the 780M, a much larger gap due to the doubled ROP count. Texture rate is 166.4 GTexel/s versus 139.2 GTexel/s, a smaller but still notable difference.

The 780M's higher boost clock of 2900 MHz versus 2600 MHz partially compensates for fewer cores, but the RX 9050 OEM's larger core count and dedicated memory should push it ahead in most sustained workloads. The 780M may show better results in memory-sensitive tasks if paired with fast system RAM, but the RX 9050 OEM's fixed 144.0 GB/s bandwidth provides consistency.

Specification Differences

| Specification | AMD Radeon 780M | AMD Radeon RX 9050 OEM |

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

| Architecture | RDNA 3.0 | RDNA 4.0 |

| Chip | Phoenix | Navi 44 |

| Process Node | 4 nm | 4 nm |

| Transistors | 25,390 million | 29,700 million |

| Die Size | 178 mm² | 199 mm² |

| Base Clock | 800 MHz | 1330 MHz |

| Boost Clock | 2900 MHz | 2600 MHz |

| Game Clock | None | 1920 MHz |

| Memory Size | System Shared | 4 GB GDDR6 |

| Memory Bus | System Shared | 64 bit |

| Memory Bandwidth | System Dependent | 144.0 GB/s |

| Shading Units | 768 | 1024 |

| TMUs | 48 | 64 |

| ROPs | 32 | 64 |

| Ray Tracing Cores | 12 | 16 |

| FP32 | 8.909 TFLOPS | 10.65 TFLOPS |

| Pixel Rate | 92.80 GPixel/s | 166.4 GPixel/s |

| Texture Rate | 139.2 GTexel/s | 166.4 GTexel/s |

| TDP | 15 W | 92 W |

| Slot Width | IGP | Dual-slot |

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

| Suggested PSU | None | 250 W |

| Bus Interface | PCIe 4.0 x8 | PCIe 5.0 x16 |

| Display Outputs | Motherboard Dependent | 1x HDMI 2.1b, 2x DisplayPort 2.1a |

| Release Date | 2024-01-30 | 2026-07-27 |

The RX 9050 OEM leads in every compute and memory specification except boost clock and TDP. The 780M's 15 W TDP makes it suitable for systems without discrete graphics power delivery, while the RX 9050 OEM requires a 250 W PSU and an 8-pin connector.

Where Each One Wins

The Radeon 780M wins in scenarios where power draw and physical footprint are the primary constraints. Its 15 W TDP and IGP form factor allow it to operate in thin-and-light laptops or compact desktops without dedicated power connectors. The higher boost clock of 2900 MHz can deliver competitive burst performance in short workloads, and its system shared memory means there is no VRAM allocation to manage. For basic desktop rendering, light gaming at low settings, or media playback, the 780M is a self-contained solution.

The Radeon RX 9050 OEM wins in scenarios that demand sustained throughput and dedicated graphics memory. Its 4 GB GDDR6 with 144.0 GB/s bandwidth removes dependency on system RAM speed. The 64 ROPs and 64 TMUs give it a clear advantage in pixel-heavy workloads, and the 10.65 TFLOPS FP32 ceiling is about 20% higher than the 780M. The 16 ray tracing cores also provide a foundation for hardware-accelerated ray tracing, which the 780M's 12 cores handle at lower throughput.

The RX 9050 OEM's PCIe 5.0 x16 interface is another point in its favor for data-heavy scenarios. The 780M's PCIe 4.0 x8 connection can become a bottleneck when the GPU needs to fetch data from system memory. The RX 9050 OEM's dual-slot cooler and 92 W TDP indicate it is built for continuous operation, not brief bursts.

The 780M's system dependent bandwidth is its biggest liability. In a system with modest RAM speeds, the 780M will perform well below its theoretical peak. The RX 9050 OEM's fixed memory bandwidth ensures consistent performance across different host systems.

The Verdict

The Radeon 780M is the appropriate choice for integrated graphics duty in a low-power system. Its 15 W TDP, lack of power connectors, and IGP form factor make it the only viable option in scenarios where a discrete card cannot be installed. The recorded benchmarks show it performs at the 61st percentile among all GPUs, with an average score of 17588 that puts it in the same class as the Radeon Pro 560 and Radeon Pro 460.

The Radeon RX 9050 OEM is the stronger GPU on paper, with higher core counts, double the ROPs, dedicated GDDR6 memory, and a more advanced RDNA 4.0 architecture. It also demands a 250 W PSU, an 8-pin connector, and a dual-slot footprint. The lack of recorded benchmark scores means its real-world performance cannot be verified against the 780M yet, but the specification advantages are substantial enough to project a clear win in most graphics workloads.

Choosing between them is straightforward. If the system must operate on integrated power with no expansion card, the 780M is the only option. If the system can accommodate a discrete dual-slot card with a 92 W TDP, the RX 9050 OEM offers more shading units, more ray tracing cores, dedicated memory, and higher throughput across every measured rate. The 780M's higher boost clock does not compensate for the RX 9050 OEM's larger compute infrastructure and fixed bandwidth. The data indicates the RX 9050 OEM is the performance pick, while the 780M is the efficiency pick for constrained platforms.