AMD Radeon Pro W6600M

AMD Radeon Pro W6600M is a mobile professional GPU built on the RDNA 2.0 architecture and the Navi 23 chip. It uses TSMC's 7 nm process with 11,060 million transistors on a 237 mm² die, and the data places it surprisingly close to some very fast GPUs in the Geekbench OpenCL database despite its compact mobile form factor.

Memory Subsystem — VRAM size/type, bus width, bandwidth and what it means for high resolutions

The memory subsystem consists of 8 GB of GDDR6 on a 128-bit bus, producing 224.0 GB/s of bandwidth. The memory clock is 1750 MHz, which translates to 14 Gbps effective. The 128-bit bus width is the limiting structural factor here; combined with the 8 GB capacity, it sets a firm ceiling on how much data can move between the GPU and memory at once.

For high-resolution workloads, the question is whether the data being rendered fits inside that 8 GB frame buffer and whether the 224.0 GB/s bandwidth is enough to feed the shading units without stalling. At 8 GB, the buffer can hold a large amount of geometry and texture data for many professional scenes, but it is not an unlimited pool. The 224.0 GB/s bandwidth is moderate compared with what the raw compute rates would allow if the bus were wider. This is a balanced mobile configuration: the capacity is generous for its class, while the bandwidth suggests a design intended to manage power and physical footprint rather than chase extreme throughput.

The pixel rate is 130.2 GPixel/s and the texture rate is 227.8 GTexel/s. Those rates, paired with 64 ROPs and 112 texture mapping units, mean the memory path must feed a fairly capable rasterization pipeline. The data therefore points to a GPU that can sustain high detail at resolutions where the 8 GB buffer is sufficient, but the 128-bit bus will be the first bottleneck if a workload pushes beyond that memory envelope.

Ray Tracing and Feature Set — RT/tensor cores, API support from facts

The RDNA 2.0 architecture supplies 28 ray tracing cores. The fact pack lists no tensor core count, so the data provides no basis for claiming dedicated AI tensor acceleration for this GPU. The feature set instead centers on the core RDNA 2.0 pipeline.

API support includes DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. DirectX 12 Ultimate support indicates the feature set is current enough for recent graphics API requirements, while Vulkan 1.4 and OpenGL 4.6 cover broader application compatibility. The GPU also uses a PCIe 4.0 x16 bus interface, and display outputs are described only as portable device dependent, meaning the actual output configuration belongs to the host device.

Beyond the rendering pipeline, the chip carries 1,792 shading units, 112 texture mapping units, and 64 ROPs. That gives 7.290 TFLOPS FP32 and 14.58 TFLOPS FP16 using the 2:1 ratio. These numbers show a compute-oriented mobile part, especially with ray tracing hardware present but no tensor core count listed.

Benchmark Performance — analyze scores vs rivals with exact % deltas

The single listed benchmark result is a Geekbench OpenCL score of 53,414. That puts the GPU at the 88th percentile among all GPUs in the database. The average benchmark score is also 53,414, meaning the available performance data is consistent around that point.

The nearest rival comparison tells a tight story. Against an AMD Radeon RX 6900 XT, the W6600M trails by 0.1 percent: the rival averages 53,489. Against an NVIDIA GeForce RTX 4080 SUPER, the gap is 0.4 percent, with that card averaging 53,610. Both differences are so small that the W6600M is effectively in the same OpenCL performance neighborhood as those two much larger GPUs.

The W6600M leads the lower-scoring rivals by similarly narrow margins. It is 1.7 percent ahead of the AMD Radeon RX 7700S, which averages 52,505, and 2.5 percent ahead of the NVIDIA GeForce RTX 5070 Ti, which averages 52,086. The data shows no dramatic separation in either direction. The entire rival cluster spans from 52,086 to 53,610, and the W6600M sits inside that cluster rather than above or below it.

That narrow spread is notable. A mobile professional GPU with a 90 W TDP and no external power connectors is within 0.4 percent of desktop-class GPUs in this compute benchmark. The score also aligns with the raw FP32 and FP16 rates: this is not a low-end chip. The 7.290 TFLOPS FP32 figure is enough to keep the card competitive in the measured workload, while the 14.58 TFLOPS FP16 rate at the 2:1 ratio adds headroom for workloads that can use reduced precision.

FAQ

Q: What is the memory configuration?

A: The GPU has 8 GB of GDDR6 on a 128-bit bus, with 224.0 GB/s bandwidth. The memory clock is 1750 MHz, or 14 Gbps effective.

Q: Does it support ray tracing?

A: Yes, the chip includes 28 ray tracing cores. It also supports DirectX 12 Ultimate (12_2), Vulkan 1.4, and OpenGL 4.6. No tensor core count is listed in the data.

Q: What is its Geekbench OpenCL score and how does that compare to rivals?

A: The score is 53,414, placing it at the 88th percentile. It is 0.1 percent behind the AMD Radeon RX 6900 XT, 0.4 percent behind the NVIDIA GeForce RTX 4080 SUPER, 1.7 percent ahead of the AMD Radeon RX 7700S, and 2.5 percent ahead of the NVIDIA GeForce RTX 5070 Ti.

Q: What are the power requirements?

A: The TDP is 90 W. The slot width is IGP, power connectors are listed as none, and the fact pack lists no suggested PSU rating.

Q: Is this GPU still in production?

A: No, the production status is end-of-life.

Q: What are the core and fillrate specifications?

A: It has 1,792 shading units, 112 texture mapping units, and 64 ROPs. Pixel rate is 130.2 GPixel/s, texture rate is 227.8 GTexel/s, and FP32 compute is 7.290 TFLOPS with FP16 at 14.58 TFLOPS using the 2:1 ratio.

Who Should Consider It

The data suggests a user who needs desktop-adjacent OpenCL compute performance in a compact, low-power mobile package. The 88th percentile placement and 53,414 Geekbench OpenCL score place it ahead of the majority of GPUs, and its nearest rivals include some very fast desktop cards. That means for workloads that fit within the 8 GB frame buffer and 224.0 GB/s bandwidth envelope, the W6600M can perform at a level close to the RX 6900 XT and RTX 4080 SUPER in the measured benchmark.

The main reason to look elsewhere is memory pressure. If a workload needs more than 8 GB of frame buffer, or if the access pattern requires bandwidth beyond 224.0 GB/s, the data does not indicate that the W6600M can compensate. The 128-bit bus is a hard structural limit. Users targeting smaller, higher-efficiency workloads should be well served; users targeting extreme frame buffer sizes should not count on this part.

Because it is an end-of-life product with a 90 W TDP, no auxiliary power connectors, and an IGP slot width, it makes sense in systems where physical space and thermal headroom are limited. The display output being portable-device dependent also means the rest of the system determines the actual output options.

Power and Cooling — TDP, PSU recommendation, connector requirements

Power behavior is clearly constrained. The TDP is 90 W, which defines the thermal ceiling for the cooling solution. The slot width is IGP, indicating a compact integrated form factor rather than a full-width expansion card. Power connectors are listed as none, so the board does not require external PCIe power cabling.

The fact pack does not list a suggested PSU rating, so the only connector requirement is the lack of one. That makes the power integration straightforward: the host device supplies power through the slot, and the cooling system needs to dissipate 90 W. This is a low-power design relative to its benchmark placement, explaining why it can sit near much larger GPUs in compute performance while claiming a much smaller thermal and power envelope.

How It Compares

Against the AMD Radeon RX 6900 XT, the W6600M's 53,414 score trails that card's 53,489 by 0.1 percent. The two are effectively indistinguishable in the Geekbench OpenCL data, despite their very different physical designs.

Against the NVIDIA GeForce RTX 4080 SUPER, the W6600M is 0.4 percent behind a 53,610 average score. This is another near-tie in the measured result, with no meaningful performance gap separating them in the data.

Against the AMD Radeon RX 7700S, the W6600M holds a 1.7 percent lead. The RX 7700S averages 52,505, so the W6600M lands clearly ahead but not by a large margin.

Against the NVIDIA GeForce RTX 5070 Ti, the W6600M is 2.5 percent ahead. The RTX 5070 Ti averages 52,086, making this the largest delta among the listed rivals, but a 2.5 percent advantage is still close enough that other factors such as thermals, drivers, and memory behavior could change the practical outcome.