AMD Radeon RX 6650M XT vs NVIDIA A10M Comparison
AMD Radeon RX 6650M XT
A10M
PERFORMANCE BENCHMARKS
Analysis: AMD Radeon RX 6650M XT vs NVIDIA A10M
Head-to-Head Benchmarks
The database records a single head-to-head comparison between the NVIDIA A10M and the AMD Radeon RX 6650M XT, using the Geekbench OpenCL workload. In this test, the NVIDIA A10M scores 135,230 points, while the AMD Radeon RX 6650M XT scores 76,904 points. This produces a delta of 75.8 percent in favor of the NVIDIA part, making the result decisive. The A10M holds a 1-to-0 win record in direct comparisons.
Placing these scores in context, the A10M’s result places it at the 96th percentile among all GPUs in the database. Its nearest rivals are tightly clustered: the NVIDIA RTX 4000 Ada Generation scores 135,218 (a 0 percent delta), the AMD Radeon PRO W6800 scores 135,396 (0.1 percent higher), the AMD Radeon Pro W6800X Duo scores 135,774 (0.4 percent higher), and the AMD Radeon PRO V620 scores 136,472 (0.9 percent higher). The A10M sits essentially at parity with these workstation-class parts, within a single percentage point across the board. This suggests that despite its server-oriented positioning, the A10M delivers compute throughput on par with dedicated professional graphics solutions.
The RX 6650M XT, by contrast, lands at the 91st percentile, which is still a strong showing, but its nearest rivals reveal a different competitive landscape. The NVIDIA GeForce RTX 5090 D scores 77,712 (1 percent higher), the AMD Radeon RX 6850M XT scores 78,940 (2.6 percent higher), and both the NVIDIA Tesla P100 PCIe 12 GB and 16 GB variants score 79,396 and 79,605 respectively (3.1 and 3.4 percent higher). The RX 6650M XT trails these parts by small margins, indicating it sits near the top of mobile GPU performance but not at the absolute peak.
The raw delta between the two cards is substantial: 135,230 versus 76,904 means the A10M delivers roughly 75.8 percent more OpenCL compute performance. To put that in practical terms, any workload that scales linearly with OpenCL throughput would complete in roughly 57 percent of the time on the A10M compared to the RX 6650M XT. That is a massive gap, larger than the differences seen between any two adjacent rivals in either card’s nearest-rival list.
Architecture Differences
The two GPUs come from fundamentally different design philosophies. The NVIDIA A10M uses the GA102 chip, built on Ampere architecture, fabricated by Samsung on an 8 nm process. It packs 28,300 million transistors onto a 628 mm² die, yielding a transistor density of 45.1 million per square millimeter. The AMD Radeon RX 6650M XT uses the Navi 23 chip, based on RDNA 2.0, manufactured by TSMC on a 7 nm process. It contains 11,060 million transistors on a 237 mm² die, with a density of 46.7 million per square millimeter. Despite the A10M’s much larger die, the RX 6650M XT actually achieves a slightly higher transistor density, proof of the more advanced 7 nm node.
The compute resources differ sharply. The A10M has 7,168 shading units, 224 texture mapping units, 80 raster operation pipelines, 56 ray tracing cores, and 224 tensor cores. The RX 6650M XT has 2,048 shading units, 128 TMUs, 64 ROPs, and 32 ray tracing cores, with no tensor cores listed. The A10M’s shading unit count is 3.5 times higher, which directly explains its dominant FP32 throughput: 23.44 TFLOPS versus 9.896 TFLOPS. However, the RX 6650M XT has a notable advantage in FP16: it delivers 19.79 TFLOPS at a 2:1 ratio, while the A10M delivers 23.44 TFLOPS at a 1:1 ratio. The A10M still wins in absolute FP16 terms, but the RX 6650M XT’s ratio means it can accelerate FP16 workloads with less overhead relative to its FP32 rate.
Clock speeds tell a complementary story. The RX 6650M XT runs at a base of 2068 MHz and boosts to 2416 MHz, with a game clock of 2162 MHz. The A10M runs at a much lower 975 MHz base and 1635 MHz boost. The RX 6650M XT’s higher clocks partially compensate for its fewer cores, but not enough to close the compute gap. Pixel rate favors the AMD part slightly: 154.6 GPixel/s versus 130.8 GPixel/s, due to the RX 6650M XT’s higher clocks and 64 ROPs. Texture rate favors the A10M: 366.2 GTexel/s versus 309.2 GTexel/s, driven by its 224 TMUs.
Memory configurations are radically different. The A10M carries 20 GB of GDDR6 on a 320-bit bus, yielding 500.2 GB/s of bandwidth. The RX 6650M XT has 8 GB of GDDR6 on a 128-bit bus, yielding 256.0 GB/s. The A10M offers 2.5 times the memory capacity and nearly double the bandwidth. This has direct implications for large datasets, high-resolution textures, and models that exceed 8 GB. The RX 6650M XT’s memory runs at 2000 MHz (16 Gbps effective), while the A10M’s runs at 1563 MHz (12.5 Gbps effective), but the wider bus gives the A10M the overall bandwidth advantage.
Power and physical design also diverge. The A10M has a 150 W TDP, requires an 8-pin EPS power connector, and is a single-slot card measuring 267 mm in length and 112 mm in height. It has no display outputs, indicating its server-focused role. The RX 6650M XT has a 120 W TDP, uses no power connectors, and is classified as an integrated graphics processor (IGP) for mobile use. Its display outputs are listed as portable device dependent. The A10M connects via PCIe 4.0 x16, while the RX 6650M XT uses PCIe 4.0 x8, halving the available bus lanes.
FAQ
Q: Which GPU has higher raw compute performance in OpenCL?
A: The NVIDIA A10M scores 135,230 in Geekbench OpenCL, while the AMD Radeon RX 6650M XT scores 76,904. The A10M is 75.8 percent faster in this test.
Q: How does each card compare to its closest rivals?
A: The A10M sits within 0.9 percent of the AMD Radeon PRO V620, AMD Radeon Pro W6800X Duo, AMD Radeon PRO W6800, and NVIDIA RTX 4000 Ada Generation. The RX 6650M XT trails the NVIDIA GeForce RTX 5090 D by 1 percent, the AMD Radeon RX 6850M XT by 2.6 percent, and the NVIDIA Tesla P100 variants by 3.1 to 3.4 percent.
Q: What are the memory capacity and bandwidth differences?
A: The A10M has 20 GB of GDDR6 on a 320-bit bus with 500.2 GB/s bandwidth. The RX 6650M XT has 8 GB of GDDR6 on a 128-bit bus with 256.0 GB/s bandwidth.
Q: Which GPU has higher clock speeds?
A: The RX 6650M XT has a base clock of 2068 MHz and a boost of 2416 MHz. The A10M has a base clock of 975 MHz and a boost of 1635 MHz.
Q: Do both support the same graphics APIs?
A: Yes, both list DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 support.
Q: What is the form factor difference?
A: The A10M is a single-slot, 267 mm long card with no display outputs and an 8-pin EPS connector. The RX 6650M XT is an IGP with no power connectors and portable-device-dependent outputs.
Specification Differences
| Field | NVIDIA A10M | AMD Radeon RX 6650M XT |
|-------|-------------|------------------------|
| Chip | GA102 | Navi 23 |
| Architecture | Ampere | RDNA 2.0 |
| Process node | 8 nm (Samsung) | 7 nm (TSMC) |
| Transistors | 28,300 million | 11,060 million |
| Die size | 628 mm² | 237 mm² |
| Transistor density | 45.1M / mm² | 46.7M / mm² |
| Base clock | 975 MHz | 2068 MHz |
| Boost clock | 1635 MHz | 2416 MHz |
| Game clock | N/A | 2162 MHz |
| Memory clock | 1563 MHz (12.5 Gbps effective) | 2000 MHz (16 Gbps effective) |
| Memory size | 20 GB | 8 GB |
| Memory bus | 320 bit | 128 bit |
| Memory bandwidth | 500.2 GB/s | 256.0 GB/s |
| Shading units | 7168 | 2048 |
| TMUs | 224 | 128 |
| ROPs | 80 | 64 |
| RT cores | 56 | 32 |
| Tensor cores | 224 | N/A |
| Pixel rate | 130.8 GPixel/s | 154.6 GPixel/s |
| Texture rate | 366.2 GTexel/s | 309.2 GTexel/s |
| FP32 | 23.44 TFLOPS | 9.896 TFLOPS |
| FP16 | 23.44 TFLOPS (1:1) | 19.79 TFLOPS (2:1) |
| TDP | 150 W | 120 W |
| Slot width | Single-slot | IGP |
| Power connectors | 8-pin EPS | None |
| Suggested PSU | 450 W | N/A |
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| Display outputs | No outputs | Portable Device Dependent |
| Dimensions | 267 mm x 112 mm | N/A |
| Release date | N/A | 2022-01-03 |
The Verdict
The benchmark data is unambiguous: the NVIDIA A10M outperforms the AMD Radeon RX 6650M XT by 75.8 percent in Geekbench OpenCL. This is not a marginal difference; it is a dominant margin that places the A10M at the 96th percentile of all GPUs, while the RX 6650M XT sits at the 91st percentile. For any workload that relies on OpenCL compute, the A10M is the stronger choice by a wide margin.
The A10M’s advantages extend beyond raw throughput. Its 20 GB memory capacity and 500.2 GB/s bandwidth dwarf the RX 6650M XT’s 8 GB and 256.0 GB/s. For large models, high-resolution datasets, or multi-application server workloads, the A10M’s memory subsystem is far more capable. Its 224 tensor cores also provide dedicated hardware for AI inference and training tasks, which the RX 6650M XT lacks entirely.
However, the RX 6650M XT is not without merits. Its 7 nm process node from TSMC yields a much smaller die (237 mm² versus 628 mm²) and lower transistor count (11,060 million versus 28,300 million), which likely contributes to its lower TDP of 120 W versus 150 W. Its higher clock speeds (2416 MHz boost versus 1635 MHz) and superior pixel rate (154.6 GPixel/s versus 130.8 GPixel/s) suggest it may handle rasterization-bound tasks more efficiently on a per-watt basis. Its FP16 performance at a 2:1 ratio (19.79 TFLOPS) is proportionally stronger relative to its FP32 output than the A10M’s 1:1 ratio, which could matter for mixed-precision workloads.
The form factor difference is decisive for deployment context. The A10M is a single-slot, 267 mm server card with no display outputs, requiring an 8-pin EPS connector and a 450 W suggested PSU. The RX 6650M XT is an IGP with no power connectors, designed for mobile integration. These are not interchangeable products; they serve different physical environments. The A10M belongs in a server chassis, while the RX 6650M XT belongs in a laptop or compact mobile device.
For users who can accommodate a dedicated server card, the A10M is the clear performance winner. For mobile or low-power integrated applications, the RX 6650M XT is the only viable option among the two, and its 91st percentile ranking shows it is still a capable performer in its class.
Where Each One Wins
NVIDIA A10M wins on:
- Raw OpenCL compute: 75.8 percent higher score in the head-to-head benchmark.
- Memory capacity: 20 GB versus 8 GB, a 12 GB advantage.
- Memory bandwidth: 500.2 GB/s versus 256.0 GB/s, nearly double.
- FP32 throughput: 23.44 TFLOPS versus 9.896 TFLOPS.
- FP16 throughput: 23.44 TFLOPS versus 19.79 TFLOPS, despite the RX 6650M XT’s 2:1 ratio.
- Texture rate: 366.2 GTexel/s versus 309.2 GTexel/s.
- Tensor cores: 224 dedicated units versus none.
- Shading units: 7168 versus 2048.
- TMUs: 224 versus 128.
- ROPs: 80 versus 64.
- PCIe interface: x16 versus x8.
- Percentile ranking: 96th versus 91st among all GPUs.
AMD Radeon RX 6650M XT wins on:
- Clock speeds: 2068 MHz base and 2416 MHz boost versus 975 MHz base and 1635 MHz boost.
- Pixel rate: 154.6 GPixel/s versus 130.8 GPixel/s.
- Process node: 7 nm TSMC versus 8 nm Samsung, yielding higher transistor density (46.7M / mm² versus 45.1M / mm²).
- Power efficiency per the data: 120 W TDP versus 150 W TDP.
- Form factor: IGP with no power connectors, suitable for portable devices, versus a single-slot card requiring external power.
- Memory clock: 2000 MHz (16 Gbps effective) versus 1563 MHz (12.5 Gbps effective).
- FP16 ratio: 2:1 versus 1:1, meaning FP16 throughput is proportionally closer to FP32 performance.
The data suggests a clean split: the A10M is a compute-focused server GPU with massive memory and tensor capabilities, while the RX 6650M XT is a mobile-first part with higher clocks and a more compact design. The 75.8 percent OpenCL gap ensures that any compute-heavy task will favor the A10M, but the RX 6650M XT’s higher pixel rate and lower power draw make it better suited for display-oriented or power-constrained mobile workloads.