AMD Radeon 8065S vs AMD Radeon PRO W7400 Comparison

AMD Radeon 8065S and AMD Radeon PRO W7400 are two distinct graphics processors from the same manufacturer, but they serve very different roles. The 8065S is an integrated graphics solution embedded in a mobile platform, while the W7400 is a discrete professional workstation card. The recorded data shows a clear split in their intended use cases, with each carrying specifications tailored to specific workloads.

Where Each One Wins

The AMD Radeon 8065S, built on the Gorgon Halo chip, is an integrated graphics processor (IGP) that shares system memory. It is designed for portable devices where space and power are at a premium. Its 55 W TDP matches the W7400, but its integrated nature means it uses the system's shared memory, making it dependent on the host platform's capabilities. The 8065S wins on raw compute throughput, offering 15.36 TFLOPS of FP32 performance, which is roughly double the 7.885 TFLOPS of the W7400. It also has a substantial advantage in texture and pixel rates: 480.0 GTexel/s versus 123.2 GTexel/s, and 192.0 GPixel/s versus 70.40 GPixel/s. This makes it the stronger choice for tasks that rely heavily on shader and texture processing, such as real-time graphics rendering in games or compute-heavy applications.

The AMD Radeon PRO W7400, in contrast, wins on memory architecture and stability. It has a dedicated 8 GB of GDDR6 memory with a 128-bit bus, delivering 172.8 GB/s of bandwidth. This is a fixed, guaranteed resource, unlike the 8065S whose memory bandwidth is "System Dependent" and can vary based on the host system's RAM. The W7400 also has a lower boost clock of 1100 MHz versus 3000 MHz, but its base clock is 330 MHz versus 1295 MHz, which suggests a different operating profile. The W7400 is a discrete card with its own power delivery and cooling, and it fits in a single-slot form factor. It is built for professional environments where dedicated VRAM and predictable memory performance are crucial, such as CAD, 3D modeling, or scientific visualization.

The data indicates that the 8065S wins in pure computational power and fill rates, while the W7400 wins in dedicated memory and form factor. Neither is a universal victor; they excel in different contexts.

Architecture Differences

The two GPUs are based on different versions of the same underlying architecture. The 8065S uses RDNA 3.5, while the W7400 uses RDNA 3.0. This generational difference is reflected in their manufacturing processes. The 8065S is built on a 4 nm process from TSMC, whereas the W7400 uses a 6 nm process from the same foundry. The smaller node allows the 8065S to pack more transistors into a similar power envelope, though the exact transistor count for the 8065S is not recorded in the database. The W7400 has 13,300 million transistors on a 204 mm² die, with a density of 65.2M per mm². The 8065S has a larger die size of 308 mm², but its transistor density is unknown.

The chip designs also differ. The 8065S is codenamed "Gorgon Halo" and belongs to the Navi Mobile (RX 8000M) generation, which is a mobile-focused product line. The W7400 is codenamed "Hotpink Bonefish" and belongs to the Radeon Pro Navi (Navi III Series), a professional desktop line. This explains the different feature sets: the 8065S has 2560 shading units, 160 texture mapping units (TMUs), and 40 ray tracing cores, while the W7400 has 1792 shading units, 112 TMUs, and 28 ray tracing cores. The 8065S also has a higher boost clock of 3000 MHz, which is a significant advantage for peak performance.

Memory is a major architectural divergence. The 8065S uses system shared memory, meaning it has no dedicated VRAM. Its memory clock is also listed as "System Shared," and bandwidth is "System Dependent." The W7400, however, has its own 8 GB GDDR6 memory at a clock of 1350 MHz (10.8 Gbps effective), with a fixed 128-bit bus and 172.8 GB/s bandwidth. This makes the W7400's memory performance predictable and independent of the rest of the system.

Both support the same API set: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The 8065S uses a PCIe 5.0 x16 interface, while the W7400 uses PCIe 4.0 x8, giving the 8065S a potential bandwidth advantage for data transfer between the GPU and CPU, though this is again dependent on system implementation for the integrated part.

The Verdict

The data suggests that the AMD Radeon 8065S is the stronger performer in terms of raw compute and rendering throughput. Its 15.36 TFLOPS FP32 figure is nearly double that of the W7400's 7.885 TFLOPS. The 8065S also has a much higher boost clock (3000 MHz versus 1100 MHz) and more shading units (2560 versus 1792), which translates to better shader-bound performance. For applications that can leverage system memory effectively and are not constrained by dedicated VRAM, the 8065S is clearly the more powerful option on paper.

The AMD Radeon PRO W7400, however, is the more reliable choice for professional workloads that require guaranteed memory resources. Its 8 GB of dedicated GDDR6 memory with a fixed 172.8 GB/s bandwidth provides a stable foundation for tasks like rendering large scenes or running complex simulations where memory capacity and speed are non-negotiable. The W7400's single-slot design and lack of power connectors make it easy to integrate into a workstation, and its 55 W TDP keeps power requirements modest. It also has a known physical footprint: 168 mm in length, 69 mm in height, and 20 mm in width.

The choice between the two depends on the system. The 8065S is an IGP, meaning it is soldered onto a motherboard or integrated into a processor package. It is not a standalone card. The W7400 is a discrete card that can be installed in any compatible PCIe 4.0 slot. So, the 8065S is for users who want high integrated performance in a portable device, while the W7400 is for users who need a dedicated workstation GPU with its own memory.

FAQ

Q: Which GPU has higher FP32 performance?

A: The AMD Radeon 8065S has 15.36 TFLOPS of FP32 performance, which is nearly double the 7.885 TFLOPS of the AMD Radeon PRO W7400.

Q: Do both GPUs support the same graphics APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What is the memory configuration of the AMD Radeon PRO W7400?

A: The W7400 has 8 GB of GDDR6 memory with a 128-bit bus, providing 172.8 GB/s of bandwidth.

Q: How does the AMD Radeon 8065S handle memory?

A: The 8065S uses system shared memory, with its memory size, type, and bus width all listed as "System Shared." Its bandwidth is dependent on the host system.

Q: What are the process nodes for each GPU?

A: The AMD Radeon 8065S is built on a 4 nm process, while the AMD Radeon PRO W7400 uses a 6 nm process, both from TSMC.

Q: What is the TDP for both GPUs?

A: Both the AMD Radeon 8065S and the AMD Radeon PRO W7400 have a TDP of 55 W.

Head-to-Head Benchmarks

The recorded data shows no direct benchmark scores for either GPU in the head-to-head comparison, but the specification differences provide a clear picture of performance potential. The most significant gap is in FP32 compute: the 8065S delivers 15.36 TFLOPS versus the W7400's 7.885 TFLOPS, a difference of 7.475 TFLOPS, which is about 95% more compute throughput. This is a major advantage for the 8065S in any workload that is compute-bound.

In texture processing, the 8065S achieves 480.0 GTexel/s, while the W7400 reaches 123.2 GTexel/s. The 8065S is roughly 3.9 times faster in this metric, which impacts texture-heavy rendering. Similarly, the pixel rate is 192.0 GPixel/s for the 8065S versus 70.40 GPixel/s for the W7400, making the 8065S about 2.7 times faster in fill rate. These numbers indicate the 8065S can handle much higher resolution or more complex shading operations in real time.

The memory bandwidth reverses the comparison. The W7400 has a fixed 172.8 GB/s, while the 8065S's bandwidth is "System Dependent" and not quantified in the database. This means the W7400 offers a guaranteed level of memory performance, which is critical for professional workflows that require consistent data transfer rates. The W7400 also has a lower boost clock (1100 MHz) but a higher base clock (330 MHz) compared to the 8065S's base of 1295 MHz and boost of 3000 MHz. The 8065S's boost clock is over 2.7 times higher, which suggests it can sustain higher peak performance under load.

The bus interface differs as well. The 8065S uses PCIe 5.0 x16, which offers more potential bandwidth than the W7400's PCIe 4.0 x8, though the actual benefit depends on system implementation. The 8065S also has more shading units (2560 versus 1792) and more ray tracing cores (40 versus 28), giving it an edge in both traditional rasterization and ray-traced workloads.

Specification Differences

The two GPUs differ in several key specifications. The process node is 4 nm for the 8065S and 6 nm for the W7400. The die size is 308 mm² for the 8065S, while the W7400 has a 204 mm² die. The transistor count is unknown for the 8065S but is 13,300 million for the W7400, with a density of 65.2M per mm² for the latter.

Clock speeds vary significantly. The 8065S has a base clock of 1295 MHz and a boost clock of 3000 MHz. The W7400 has a base clock of 330 MHz and a boost clock of 1100 MHz. The memory configuration is entirely different: the 8065S uses system shared memory with no fixed size or type, while the W7400 has 8 GB of GDDR6 on a 128-bit bus with 172.8 GB/s bandwidth.

The compute resources differ, with the 8065S having 2560 shading units, 160 TMUs, and 40 RT cores. The W7400 has 1792 shading units, 112 TMUs, and 28 RT cores. Both have 64 ROPs. The pixel rate is 192.0 GPixel/s for the 8065S versus 70.40 GPixel/s for the W7400. The texture rate is 480.0 GTexel/s versus 123.2 GTexel/s. The FP32 and FP16 performance is 15.36 TFLOPS for both for the 8065S, and 7.885 TFLOPS for both for the W7400.

The form factor is a major difference. The 8065S is an IGP with no slot width, while the W7400 is a single-slot card. The 8065S has no power connectors, and the W7400 also has none, but the W7400 has a suggested PSU of 250 W. The bus interface is PCIe 5.0 x16 for the 8065S and PCIe 4.0 x8 for the W7400. The display outputs are "Portable Device Dependent" for the 8065S, while the W7400 has 4x DisplayPort 2.1. The physical dimensions are only recorded for the W7400: 168 mm in length, 69 mm in height, and 20 mm in width. Both are marked as Active in production status, with the 8065S released in 2025-12-31 and the W7400 in 2025-08-02. Their predecessors differ: the 8065S follows Polaris Mobile, and the W7400 follows Radeon Pro Vega.