AMD Radeon RX 6600 LE vs NVIDIA A10M Comparison

# Where Each One Wins

The benchmark data splits these two GPUs into completely different performance classes. The NVIDIA A10M wins the only recorded head-to-head test, the Geekbench OpenCL workload, by a decisive margin. Its score of 135,230 versus 69,229 for the AMD Radeon RX 6600 LE represents a 95.3% advantage, meaning the A10M delivers nearly double the raw compute throughput in this measurement.

The A10M's victory is not a narrow one. It sits at the 96th percentile among all GPUs in the database, while the RX 6600 LE lands at the 91st percentile. That five-point percentile gap understates the actual score difference because the upper percentiles are densely packed. The A10M's average benchmark score of 135,230 places it alongside workstation-class accelerators like the NVIDIA RTX 4000 Ada Generation (135,218, a 0% delta) and the AMD Radeon PRO W6800 (135,396, a -0.1% delta). The RX 6600 LE, with its average score of 70,829, competes in a lower tier against mobile workstation GPUs and older professional cards.

The RX 6600 LE does hold advantages in areas not captured by the OpenCL benchmark. Its boost clock of 2495 MHz far exceeds the A10M's 1635 MHz boost, and its game clock of 2045 MHz suggests strong sustained performance in gaming-oriented workloads. However, the database's only recorded benchmark, Geekbench OpenCL, does not reflect those clock advantages. The RX 6600 LE also has a second benchmark entry, Geekbench Vulkan with a score of 72,428, which is not directly comparable to the A10M's single OpenCL result.

For compute-heavy tasks measured by OpenCL, the A10M is the clear winner. For gaming or Vulkan-specific workloads, the database does not provide a direct A10M comparison, so the RX 6600 LE's Vulkan score of 72,428 stands as its best recorded result. The data shows a one-sided head-to-head record: 1 win for the A10M, 0 wins for the RX 6600 LE.

# The Verdict

The choice between these two GPUs depends entirely on the workload context. The database records only one shared benchmark, and the NVIDIA A10M wins it outright. Anyone selecting a GPU for OpenCL compute workloads should choose the A10M without hesitation. Its 95.3% lead in the recorded head-to-head test is overwhelming, and its percentile ranking among all GPUs (96th) confirms it belongs in the upper echelon of compute accelerators.

The A10M's nearest rivals in the database are all professional workstation cards: the RTX 4000 Ada Generation, Radeon PRO W6800, Pro W6800X Duo, and Radeon PRO V620. The largest delta among these is -0.9%, meaning the A10M is essentially tied with the fastest of them. This is a GPU that sits at the top of its class, not merely within it.

The RX 6600 LE, by contrast, sits at the 91st percentile with an average score of 70,829. Its nearest rivals include the NVIDIA RTX A3000 Mobile (70,140, a 1% delta), the NVIDIA Quadro P6000 (69,986, a 1.2% delta), and the AMD Radeon RX 6650M (71,768, a -1.3% delta). These are capable but not top-tier performers. The RX 6600 LE's best result, its Vulkan score of 72,428, does not change its overall standing.

The RX 6600 LE is the appropriate pick for systems that need display outputs, as it offers 1x HDMI 2.1 and 3x DisplayPort 1.4a, while the A10M has no display outputs at all. The RX 6600 LE is also an active production card with a known release date of December 7, 2023, whereas the A10M is end-of-life. For deployment in a new system where ongoing availability matters, the RX 6600 LE has a practical advantage.

For raw compute per the database's measurements, the A10M dominates. For a GPU that can drive displays and is still in active production, the RX 6600 LE is the only option between the two. The data does not support any scenario where the RX 6600 LE outperforms the A10M in OpenCL compute, so the verdict is workload-dependent: compute favors the A10M, system integration and display output favor the RX 6600 LE.

# Head-to-Head Benchmarks

The single recorded head-to-head benchmark is Geekbench OpenCL. The NVIDIA A10M scores 135,230, and the AMD Radeon RX 6600 LE scores 69,229. The delta is 95.3% in favor of the A10M. This is not a marginal victory; it is a near-doubling of performance.

To contextualize the A10M's score, the database shows it is effectively tied with the NVIDIA RTX 4000 Ada Generation, which averages 135,218 (a 0% delta). It is also within 0.1% of the AMD Radeon PRO W6800 (135,396) and within 0.4% of the AMD Radeon Pro W6800X Duo (135,774). The A10M trails the AMD Radeon PRO V620 (136,472) by only 0.9%. These sub-1% deltas indicate that the A10M is performing at the very top of its peer group, and any of these cards would deliver statistically indistinguishable OpenCL results.

The RX 6600 LE's OpenCL score of 69,229 places it in a different competitive set. Its nearest rival, the NVIDIA RTX A3000 Mobile, scores 70,140, which is 1% higher. The NVIDIA Quadro P6000 scores 69,986, also 1.2% higher. The AMD Radeon RX 6650M scores 71,768, which is 1.3% higher than the RX 6600 LE. The AMD Radeon Pro WX 8200 scores 69,870, 1.4% higher. These deltas are small, meaning the RX 6600 LE is competitive within its own tier, but that tier is far below the A10M's.

The RX 6600 LE also has a Geekbench Vulkan score of 72,428. This is higher than its OpenCL score by approximately 4.6%, suggesting the card performs somewhat better under Vulkan. However, the database does not record a Vulkan score for the A10M, so no direct comparison is possible. The A10M's single benchmark result must stand as its only recorded performance data point.

The wins tally is 1 for the A10M and 0 for the RX 6600 LE. Every available comparison in the database favors the NVIDIA card, and the magnitude of that advantage is substantial.

# FAQ

Q: Which GPU has the higher OpenCL benchmark score?

A: The NVIDIA A10M scores 135,230, while the AMD Radeon RX 6600 LE scores 69,229. The A10M leads by 95.3%.

Q: How does the NVIDIA A10M compare to its closest rivals?

A: The A10M is effectively tied with the NVIDIA RTX 4000 Ada Generation (135,218, 0% delta) and the AMD Radeon PRO W6800 (135,396, -0.1% delta). It trails the AMD Radeon PRO V620 by only 0.9%.

Q: Does the AMD Radeon RX 6600 LE have any benchmark where it wins?

A: The database records no head-to-head wins for the RX 6600 LE. It has a Geekbench Vulkan score of 72,428, but no comparable A10M Vulkan score exists in the data.

Q: What are the memory specifications of each GPU?

A: The NVIDIA A10M has 20 GB of GDDR6 memory on a 320-bit bus with 500.2 GB/s bandwidth. The AMD Radeon RX 6600 LE has 8 GB of GDDR6 memory on a 128-bit bus with 224.0 GB/s bandwidth.

Q: Which GPU supports display outputs?

A: The AMD Radeon RX 6600 LE has 1x HDMI 2.1 and 3x DisplayPort 1.4a outputs. The NVIDIA A10M has no display outputs.

Q: What is the production status of each GPU?

A: The NVIDIA A10M is end-of-life. The AMD Radeon RX 6600 LE is active, with a release date of December 7, 2023.

# Architecture Differences

The NVIDIA A10M uses the GA102 chip built on Samsung's 8 nm process, part of the Ampere architecture. The AMD Radeon RX 6600 LE uses the Navi 23 chip on TSMC's 7 nm process, part of the RDNA 2.0 architecture. These are fundamentally different designs with different priorities.

The A10M packs 28,300 million transistors onto a 628 mm² die, yielding a transistor density of 45.1 million per square millimeter. The RX 6600 LE has 11,060 million transistors on a 237 mm² die, with a density of 46.7 million per square millimeter. The A10M's die is nearly three times larger, but the RX 6600 LE achieves a slightly higher transistor density due to the more advanced 7 nm process.

The A10M belongs to the Server Ampere generation (Axx) and lists Tesla Turing as its predecessor and Server Ada as its successor. The RX 6600 LE belongs to the Navi II generation (RX 6000 series), with Navi as its predecessor and Navi III as its successor. These generational placements reflect different market segments: the A10M is a server compute card, while the RX 6600 LE is a consumer Radeon product.

The A10M includes 56 ray tracing cores and 224 tensor cores, reflecting NVIDIA's dedicated hardware for RT and AI workloads. The RX 6600 LE has 28 ray tracing cores and no tensor cores. This means the A10M has dedicated hardware for AI acceleration that the RX 6600 LE lacks entirely.

The A10M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RX 6600 LE supports the same API versions. Both cards are capable of the same modern graphics APIs, though their performance characteristics differ substantially.

The A10M is a single-slot card measuring 267 mm in length and 112 mm in height. The RX 6600 LE is a dual-slot card measuring 190 mm in length, 110 mm in height, and 40 mm in width. The A10M uses an 8-pin EPS power connector, while the RX 6600 LE uses a single 8-pin connector. The A10M's suggested power supply is 450 W, while the RX 6600 LE's is 300 W.

# Specification Differences

The two GPUs differ across nearly every specification field in the database.

Process node: The A10M uses 8 nm (Samsung), while the RX 6600 LE uses 7 nm (TSMC).

Transistors: The A10M has 28,300 million transistors; the RX 6600 LE has 11,060 million.

Die size: The A10M measures 628 mm²; the RX 6600 LE measures 237 mm².

Clock speeds: The A10M has a base clock of 975 MHz and a boost clock of 1635 MHz. The RX 6600 LE has a base clock of 1626 MHz, a game clock of 2045 MHz, and a boost clock of 2495 MHz.

Memory: The A10M has 20 GB GDDR6 with a 320-bit bus and 500.2 GB/s bandwidth. The RX 6600 LE has 8 GB GDDR6 with a 128-bit bus and 224.0 GB/s bandwidth. The A10M's memory runs at 1563 MHz (12.5 Gbps effective), while the RX 6600 LE's runs at 1750 MHz (14 Gbps effective).

Shading units: The A10M has 7,168; the RX 6600 LE has 1,792.

Texture mapping units: The A10M has 224; the RX 6600 LE has 112.

Render output units: The A10M has 80; the RX 6600 LE has 64.

Ray tracing cores: The A10M has 56; the RX 6600 LE has 28.

Tensor cores: The A10M has 224; the RX 6600 LE has none.

Pixel rate: The A10M achieves 130.8 GPixel/s; the RX 6600 LE achieves 159.7 GPixel/s.

Texture rate: The A10M achieves 366.2 GTexel/s; the RX 6600 LE achieves 279.4 GTexel/s.

FP32 performance: The A10M delivers 23.44 TFLOPS; the RX 6600 LE delivers 8.942 TFLOPS.

FP16 performance: The A10M delivers 23.44 TFLOPS (1:1 ratio); the RX 6600 LE delivers 17.88 TFLOPS (2:1 ratio).

TDP: The A10M is rated at 150 W; the RX 6600 LE is rated at 132 W.

Slot width: The A10M is single-slot; the RX 6600 LE is dual-slot.

Power connectors: The A10M uses 8-pin EPS; the RX 6600 LE uses 1x 8-pin.

Suggested PSU: The A10M lists 450 W; the RX 6600 LE lists 300 W.

Bus interface: The A10M uses PCIe 4.0 x16; the RX 6600 LE uses PCIe 4.0 x8.

Display outputs: The A10M has none; the RX 6600 LE has 1x HDMI 2.1 and 3x DisplayPort 1.4a.

Dimensions: The A10M is 267 mm by 112 mm. The RX 6600 LE is 190 mm by 110 mm by 40 mm.

Production status: The A10M is end-of-life; the RX 6600 LE is active.

Release date: The A10M has no recorded release date; the RX 6600 LE was released on December 7, 2023.