AMD Radeon RX 6650M vs NVIDIA RTX A1000 Mobile Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive performance gap between these two mobile GPUs. In the Geekbench OpenCL test, the AMD Radeon RX 6650M scores 65,800 points against 48,703 for the NVIDIA RTX A1000 Mobile, a 35.1% advantage for the AMD part. The delta grows even larger in the Geekbench Vulkan test, where the RX 6650M posts 77,735 points versus 46,782 for the RTX A1000 Mobile, a 66.2% lead. Across both recorded benchmark suites, the AMD card wins two out of two comparisons, leaving the NVIDIA card with no head-to-head victories.

The average benchmark score tells a similar story. The RX 6650M averages 71,768 points, while the RTX A1000 Mobile averages 47,743. That 24,025-point gap represents roughly a 50% difference in aggregate performance. When placed against the broader database, the AMD part sits at the 91st percentile of all GPUs, while the NVIDIA part reaches only the 85th percentile. The nearest rivals for the RX 6650M include the NVIDIA TITAN X Pascal at 72,098 points (0.5% ahead), the AMD Radeon Pro Vega 64 at 72,379 points (0.8% ahead), the AMD Radeon RX 6600 LE at 70,829 points (1.3% behind), and the AMD Radeon Vega Frontier Edition at 73,370 points (2.2% ahead). The RTX A1000 Mobile's nearest rivals are a different class entirely: the AMD Radeon RX 6800 XT at 48,477 points (1.5% ahead), the AMD Radeon RX 6550M at 46,702 points (2.2% behind), the Intel Arc A530M at 46,614 points (2.4% behind), and the AMD Radeon RX 5600M at 46,601 points (2.5% behind).

Interpreting these rival sets, the RX 6650M competes in the same bracket as desktop-class GPUs from several generations ago, while the RTX A1000 Mobile sits alongside lower-tier mobile parts. The Vulkan delta of 66.2% is particularly striking, suggesting that the AMD architecture handles modern graphics API workloads with far greater efficiency relative to the NVIDIA part. The OpenCL gap of 35.1%, while substantial, is less extreme, indicating that the compute-oriented OpenCL path narrows the difference somewhat compared to the gaming-oriented Vulkan path.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 6650M averages 71,768 points, while the NVIDIA RTX A1000 Mobile averages 47,743 points. The AMD part sits at the 91st percentile of all GPUs versus the 85th percentile for the NVIDIA part.

Q: How large is the performance gap in the Vulkan test?

A: The RX 6650M scores 77,735 in Geekbench Vulkan, which is 66.2% higher than the RTX A1000 Mobile's 46,782. This is the largest recorded delta between the two cards.

Q: Does the RTX A1000 Mobile win any benchmark comparison?

A: No. The database records two head-to-head benchmarks, Geekbench OpenCL and Geekbench Vulkan, and the AMD Radeon RX 6650M wins both. The wins tally stands at 2 for AMD and 0 for NVIDIA.

Q: How does the RTX A1000 Mobile compare to its nearest rivals?

A: The RTX A1000 Mobile's closest competitor is the AMD Radeon RX 6800 XT at 48,477 points, which is 1.5% ahead. The AMD Radeon RX 6550M trails by 2.2%, the Intel Arc A530M trails by 2.4%, and the AMD Radeon RX 5600M trails by 2.5%.

Q: What is the memory configuration difference?

A: The RX 6650M has 8 GB of GDDR6 memory on a 128-bit bus with 224.0 GB/s bandwidth. The RTX A1000 Mobile has 4 GB of GDDR6 memory on a 128-bit bus with 176.0 GB/s bandwidth.

Q: Which GPU has higher shading unit count?

A: The RTX A1000 Mobile has 2,048 shading units, which is higher than the RX 6650M's 1,792. However, the AMD card compensates with higher clock speeds, achieving 8.659 TFLOPS FP32 versus 4.669 TFLOPS for the NVIDIA card.

The Verdict

The data points to a clear choice for raw graphics performance: the AMD Radeon RX 6650M. It wins both recorded benchmarks, holds a 50% higher average score, and ranks six percentile points higher in the global database. The 66.2% Vulkan advantage suggests that for modern API-based workloads, the AMD card is in a different tier entirely.

However, the NVIDIA RTX A1000 Mobile has its own rationale. It consumes 60 W versus 120 W for the AMD part, a 50% reduction in power draw. For thin-and-light laptops where thermal and power budgets are tight, that difference matters. The NVIDIA card also includes 64 tensor cores, which the AMD card lacks entirely. If the workload involves AI inference or tensor-accelerated tasks, the RTX A1000 Mobile may hold a functional advantage that the raw graphics benchmarks do not capture.

The RTX A1000 Mobile's 4 GB memory capacity is half the AMD's 8 GB, which could limit texture-heavy workloads and large dataset handling. Yet its lower power envelope means it can fit into chassis designs that the 120 W AMD part cannot. The verdict depends on the target use case: maximum graphics performance favors AMD decisively, while efficiency and tensor-oriented workloads favor NVIDIA. The recorded benchmark data alone cannot adjudicate the tensor question, but for pure graphics and compute throughput, the RX 6650M is the superior choice.

Specification Differences

The two GPUs diverge on nearly every core specification. The RX 6650M uses a 7 nm TSMC process with 11,060 million transistors on a 237 mm² die, while the RTX A1000 Mobile uses an 8 nm Samsung process with 8,700 million transistors on a 200 mm² die. Transistor density is close: 46.7M per mm² for AMD versus 43.5M per mm² for NVIDIA.

Clock speeds differ substantially. The AMD part runs at 2068 MHz base, 2416 MHz boost, and 2222 MHz game clock. The NVIDIA part runs at 630 MHz base and 1140 MHz boost, with no recorded game clock. Memory clocks also differ: 1750 MHz (14 Gbps effective) for AMD versus 1375 MHz (11 Gbps effective) for NVIDIA.

Memory capacity and bandwidth favor AMD: 8 GB versus 4 GB, and 224.0 GB/s versus 176.0 GB/s. Both use GDDR6 on a 128-bit bus. The AMD card has 1,792 shading units, 112 texture mapping units, and 64 render output units. The NVIDIA card has 2,048 shading units, 64 TMUs, and 32 ROPs. The AMD card has 28 ray tracing cores; the NVIDIA card has 16 ray tracing cores plus 64 tensor cores.

Pixel and texture rates reinforce the performance gap: the AMD card achieves 154.6 GPixel/s and 270.6 GTexel/s, while the NVIDIA card achieves 36.48 GPixel/s and 72.96 GTexel/s. FP32 throughput is 8.659 TFLOPS for AMD versus 4.669 TFLOPS for NVIDIA. FP16 differs in ratio: AMD achieves 17.32 TFLOPS with a 2:1 ratio, while NVIDIA achieves 4.669 TFLOPS with a 1:1 ratio.

Power draw is the major differentiator in the opposite direction: 120 W for AMD versus 60 W for NVIDIA. Both are IGP slot width with no power connectors and portable-device-dependent display outputs. Both use PCIe 4.0 x8 interfaces. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Architecture Differences

The RX 6650M is built on AMD's RDNA 2.0 architecture, using the Navi 23 chip. It belongs to the Radeon RX 6000 series and the Navi Mobile (RX 6000M) generation. Its predecessor is Polaris Mobile. The RTX A1000 Mobile is built on NVIDIA's Ampere architecture, using the GA107 chip. It belongs to the Ampere-MW (Ax000) generation, with a predecessor of Quadro Turing-M and a successor of Ada-MW.

The process node differs: AMD uses 7 nm from TSMC, while NVIDIA uses 8 nm from Samsung. This gives AMD a density advantage of 46.7M transistors per mm² versus 43.5M. The transistor counts also differ, with AMD packing 11,060 million transistors versus NVIDIA's 8,700 million.

Ray tracing implementation differs in scale: AMD includes 28 ray tracing cores, while NVIDIA includes 16. More significant is the tensor core difference: NVIDIA includes 64 tensor cores, while AMD has none recorded. This is a fundamental architectural split, as tensor cores are designed for AI and deep learning workloads. The FP16 ratio reflects this: AMD achieves 2:1 FP16 throughput (17.32 TFLOPS), while NVIDIA operates at 1:1 (4.669 TFLOPS), indicating that NVIDIA's tensor cores handle the accelerated half-precision work separately.

The memory architecture is similar in bus width (128 bit) but differs in effective speed and capacity. The AMD card's 14 Gbps effective memory clock versus NVIDIA's 11 Gbps explains part of the bandwidth gap. Neither card records a game clock for NVIDIA, which is typical for workstation-oriented parts that prioritize sustained compute over burst gaming performance.

Where Each One Wins

The AMD Radeon RX 6650M wins in every measured graphics benchmark. The 35.1% OpenCL lead and 66.2% Vulkan lead mean that for gaming, 3D rendering, and general GPU compute, the AMD card is the clear choice. Its 8 GB memory capacity doubles the NVIDIA's 4 GB, which benefits large textures, high-resolution assets, and datasets that exceed 4 GB. The 224.0 GB/s bandwidth versus 176.0 GB/s further supports memory-intensive workloads. The higher pixel rate (154.6 GPixel/s versus 36.48 GPixel/s) and texture rate (270.6 GTexel/s versus 72.96 GTexel/s) indicate that the AMD card can feed displays and shaders much faster. The 91st percentile ranking versus 85th confirms its superiority within the database.

The NVIDIA RTX A1000 Mobile wins in efficiency and specific compute features. Its 60 W power draw is exactly half the AMD's 120 W, making it viable for slimmer notebooks with smaller batteries and less robust cooling. The 64 tensor cores provide a hardware path for AI acceleration that the AMD card cannot match, even if the raw FP32 throughput is lower. For workflows that rely on NVIDIA's CUDA ecosystem or tensor-based libraries, the RTX A1000 Mobile may be the only viable option despite lower raw scores. Its 2,048 shading units, higher than the AMD's 1,792, could theoretically help in shader-bound scenarios, though the clock speed disadvantage (1140 MHz boost versus 2416 MHz) negates that in practice.

The use-case split is therefore straightforward: pick the RX 6650M for any graphics-heavy workload where power draw is not the limiting factor. Pick the RTX A1000 Mobile for ultra-portable designs, AI inference at the edge, or environments where 60 W is the maximum allowable power budget. The benchmark data favors AMD overwhelmingly, but the power and tensor specifications give NVIDIA a legitimate niche.