AMD Radeon RX 6650M vs NVIDIA A10G Comparison

Head-to-Head Benchmarks

The benchmark data shows a decisive performance gap between the NVIDIA A10G and the AMD Radeon RX 6650M, with the A10G winning both recorded tests. In Geekbench OpenCL, the A10G scores 158,063 against 65,800 for the RX 6650M, a 140.2% advantage. That is more than double the mobile AMD part's result, and it reflects the A10G's positioning as a server-grade accelerator rather than a laptop GPU.

The Vulkan results tell a similar story, though the margin narrows slightly. The A10G posts 145,863, while the RX 6650M reaches 77,735, giving the NVIDIA card an 87.6% lead. Both cards support DirectX 12 Ultimate and Vulkan 1.4, so the comparison is apples to apples at the API level, but the raw compute output is on a completely different scale.

Looking at the broader database context, the A10G sits in the 97th percentile of all GPUs, with an average benchmark score of 151,963. Its nearest rivals include the NVIDIA Tesla V100 PCIe 32 GB at 150,305 (1.1% slower), the AMD Radeon Pro W6800X at 160,671 (5.4% faster), and the NVIDIA A100 PCIe 40 GB at 162,504 (6.5% faster). The RX 6650M, by contrast, lands in the 91st percentile with an average score of 71,768. Its closest competition includes the NVIDIA TITAN X Pascal at 72,098 (0.5% faster), the AMD Radeon Pro Vega 64 at 72,379 (0.8% faster), and the AMD Radeon RX 6600 LE at 70,829 (1.3% slower). The RX 6650M is essentially trading blows with last-generation desktop flagships, while the A10G is competing with datacenter accelerators that cost several times more.

The practical takeaway: if your workload is compute-bound and can leverage OpenCL or Vulkan, the A10G delivers roughly double the performance of the RX 6650M in OpenCL and close to double in Vulkan. The delta is large enough that no amount of driver optimization or workload tuning on the AMD side would close the gap.

Architecture Differences

The two GPUs come from fundamentally different design philosophies. The NVIDIA A10G uses the GA102 chip built on Ampere architecture, fabricated on an 8 nm Samsung process. It packs 28,300 million transistors into a 628 mm² die, giving a transistor density of 45.1 million per square millimeter. The AMD Radeon RX 6650M uses the Navi 23 chip with RDNA 2.0 architecture, built on TSMC's 7 nm process. It contains 11,060 million transistors on a 237 mm² die, achieving a slightly higher density of 46.7 million per square millimeter. The A10G is a massive dual-purpose chip designed for server compute, while the RX 6650M is a compact mobile part.

The compute resources diverge sharply. The A10G has 9,216 shading units, 288 texture mapping units, and 96 ROPs. It also carries 72 RT cores and 288 Tensor Cores, the latter being a feature entirely absent from the RX 6650M, which has no Tensor Cores listed. The RX 6650M fields 1,792 shading units, 112 TMUs, and 64 ROPs, with 28 RT cores for ray tracing. The A10G's FP32 throughput is 31.52 TFLOPS, while the RX 6650M manages 8.659 TFLOPS. In FP16, the A10G again hits 31.52 TFLOPS with a 1:1 ratio, while the RX 6650M reaches 17.32 TFLOPS using a 2:1 ratio, meaning it trades FP32 throughput for doubled FP16 output.

Memory configurations are equally divergent. The A10G comes with 24 GB of GDDR6 on a 384 bit bus, yielding 600.2 GB/s of bandwidth. The RX 6650M has 8 GB of GDDR6 on a 128 bit bus, producing 224.0 GB/s. The A10G's memory clock is listed at 1563 MHz with 12.5 Gbps effective, while the RX 6650M runs at 1750 MHz with 14 Gbps effective. Despite the higher memory clock on the AMD part, the much narrower bus limits its overall bandwidth to roughly a third of the NVIDIA card's.

Clock speeds tell the opposite story. The RX 6650M boosts to 2416 MHz with a base of 2068 MHz and a game clock of 2222 MHz. The A10G has a base of 1320 MHz and a boost of 1710 MHz. The AMD chip runs significantly faster per clock, but the A10G compensates with over five times the shading units and a wider memory system. The A10G's pixel rate is 164.2 GPixel/s versus 154.6 GPixel/s for the RX 6650M, a modest gap, while the texture rate is 492.5 GTexel/s versus 270.6 GTexel/s, a much larger one.

Power and physical design also differ. The A10G is a single-slot card with a 150 W TDP and an 8-pin EPS power connector, requiring a 450 W suggested PSU. It measures 267 mm in length and 112 mm in height. The RX 6650M is an IGP (integrated graphics processor) for laptops with a 120 W TDP and no power connectors, since it relies on the host system's power delivery. Its dimensions are not recorded, as it is designed to be soldered onto a mobile board. The A10G has no display outputs, while the RX 6650M's outputs are portable device dependent, meaning the laptop manufacturer decides what ports are exposed.

Both chips are end-of-life products. The A10G was released in April 2021 as part of the Server Ampere generation, succeeding Tesla Turing and preceding Server Ada. The RX 6650M launched in January 2022 in the Navi Mobile (RX 6000M) generation, succeeding Polaris Mobile with no successor listed.

FAQ

Q: Which GPU is faster in raw compute benchmarks?

A: The NVIDIA A10G wins both recorded tests. It scores 158,063 in Geekbench OpenCL versus 65,800 for the RX 6650M, a 140.2% lead, and 145,863 in Geekbench Vulkan versus 77,735, an 87.6% lead.

Q: Does the RX 6650M have any advantage in clock speed?

A: Yes. The RX 6650M has a base clock of 2068 MHz and a boost of 2416 MHz, while the A10G runs at 1320 MHz base and 1710 MHz boost. The AMD part also has a game clock of 2222 MHz, a feature the A10G does not list.

Q: How do their memory systems compare?

A: The A10G has 24 GB of GDDR6 on a 384 bit bus with 600.2 GB/s bandwidth. The RX 6650M has 8 GB of GDDR6 on a 128 bit bus with 224.0 GB/s bandwidth. The A10G's wider bus provides nearly three times the bandwidth.

Q: Can the RX 6650M do ray tracing?

A: Yes, it has 28 RT cores and supports DirectX 12 Ultimate, which includes ray tracing features. The A10G has 72 RT cores, so it offers more ray tracing hardware, but the RX 6650M is not without RT capability.

Q: Which GPU is better suited for a desktop server build?

A: The A10G is the only one of the two designed for that role. It is a single-slot card with a 150 W TDP, an 8-pin EPS connector, and no display outputs, indicating a compute-only server accelerator. The RX 6650M is an IGP for laptops with portable device dependent outputs.

Q: Are both GPUs still in production?

A: No. Both are listed as end-of-life. The A10G was released in April 2021, and the RX 6650M in January 2022.

The Verdict

The data points to a clear split: the NVIDIA A10G is for compute-heavy server workloads where raw throughput and memory capacity matter, and the AMD Radeon RX 6650M is for mobile gaming and portable systems where power efficiency and compact integration take priority. The A10G's 140.2% OpenCL lead and 87.6% Vulkan lead are decisive, but they come with tradeoffs: no display outputs, a single-slot form factor, and a 450 W suggested PSU. The RX 6650M cannot compete on raw performance, but it does not need to, since it targets an entirely different physical and thermal envelope.

For a builder assembling a rack server or a workstation for GPU compute, the A10G is the obvious choice based on the recorded data. It outperforms the RX 6650M in every benchmark, offers 24 GB of memory versus 8 GB, and carries Tensor Cores that the AMD part lacks entirely. Its nearest rivals in the database are other enterprise accelerators like the Tesla V100 and A100, which places it in a performance tier the mobile AMD GPU cannot reach.

For someone selecting a GPU for a laptop or a small form factor system, the RX 6650M is the only viable option of the two. Its IGP design means it is not a retail card you could install in a desktop; it is meant to be integrated into a portable device. Its 120 W TDP and lack of power connectors reflect that design goal. The A10G, with its 267 mm length and 8-pin EPS connector, simply does not fit that use case.

The verdict is not about which GPU is "better" in absolute terms, but which fits the intended deployment. The data shows the A10G dominates on performance metrics, while the RX 6650M dominates on portability and integration. Choose accordingly.

Specification Differences

| Specification | NVIDIA A10G | AMD Radeon RX 6650M |

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

| Architecture | Ampere | RDNA 2.0 |

| Process Node | 8 nm | 7 nm |

| Foundry | Samsung | TSMC |

| Transistors | 28,300 million | 11,060 million |

| Die Size | 628 mm² | 237 mm² |

| Transistor Density | 45.1M / mm² | 46.7M / mm² |

| Base Clock | 1320 MHz | 2068 MHz |

| Boost Clock | 1710 MHz | 2416 MHz |

| Game Clock | None | 2222 MHz |

| Memory Clock | 1563 MHz (12.5 Gbps effective) | 1750 MHz (14 Gbps effective) |

| Memory Size | 24 GB | 8 GB |

| Memory Bus Width | 384 bit | 128 bit |

| Memory Bandwidth | 600.2 GB/s | 224.0 GB/s |

| Shading Units | 9216 | 1792 |

| TMUs | 288 | 112 |

| ROPs | 96 | 64 |

| RT Cores | 72 | 28 |

| Tensor Cores | 288 | None |

| FP32 | 31.52 TFLOPS | 8.659 TFLOPS |

| FP16 | 31.52 TFLOPS (1:1) | 17.32 TFLOPS (2:1) |

| Pixel Rate | 164.2 GPixel/s | 154.6 GPixel/s |

| Texture Rate | 492.5 GTexel/s | 270.6 GTexel/s |

| TDP | 150 W | 120 W |

| Slot Width | Single-slot | IGP |

| Power Connectors | 8-pin EPS | None |

| Suggested PSU | 450 W | None |

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

| Display Outputs | No outputs | Portable Device Dependent |

| Dimensions | 267 mm x 112 mm | None recorded |

| Release Date | 2021-04-11 | 2022-01-03 |

| Predecessor | Tesla Turing | Polaris Mobile |

| Successor | Server Ada | None |

Where Each One Wins

The NVIDIA A10G wins in every measured benchmark, but its advantages extend beyond raw scores. The 24 GB memory capacity with 600.2 GB/s bandwidth makes it suitable for large datasets and models that would exceed the RX 6650M's 8 GB frame buffer. The 288 Tensor Cores give it a hardware path for AI inference and training workloads, something the RX 6650M cannot offer. The 31.52 TFLOPS FP32 output is 3.6 times the RX 6650M's 8.659 TFLOPS, which matters for scientific computing, rendering, and compute shaders. The 97th percentile ranking places it among the top accelerators in the database.

The AMD Radeon RX 6650M wins on efficiency metrics and deployment flexibility. Its 120 W TDP is lower than the A10G's 150 W, and it requires no external power connectors, making it easier to integrate into thin laptops. The 7 nm TSMC process gives it a slightly higher transistor density at 46.7M per mm² versus 45.1M per mm², though the A10G's larger die still provides far more absolute compute. The RX 6650M's higher clocks, boosting to 2416 MHz versus 1710 MHz, mean it can execute single-threaded or lightly parallel workloads faster per clock, though this does not translate into a benchmark win. Its FP16 output of 17.32 TFLOPS is competitive for a mobile part, and its 154.6 GPixel/s pixel rate is close to the A10G's 164.2 GPixel/s, suggesting it can hold its own in fill-rate limited scenarios.

The use-case split is straightforward. The A10G wins for server compute, AI acceleration, and any workload that can saturate its 384 bit memory bus and 9,216 shading units. The RX 6650M wins for mobile gaming, portable workstations, and systems where the GPU must share power and thermal budget with a CPU. Neither GPU is a substitute for the other; they occupy different product categories with different physical constraints. If the task is running large compute jobs in a rack, the A10G is the only choice. If the task is fitting a capable GPU into a laptop chassis, the RX 6650M is the only choice.