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AMD Radeon 8040S specifications and in-depth review

AMD Radeon 8040S

Manufacturer: AMD

The AMD Radeon 8040S is an integrated graphics card based on AMD's RDNA 3.5 architecture, manufactured on a 4 nm process node. Designed with a 55W thermal envelope, it targets efficiency-conscious platforms while delivering a turbo clock speed of 2800 MHz alongside a base clock of 1295 MHz. The GPU supports DirectX 12 Ultimate and OpenGL 4.6, making it compatible with a broad range of modern software and graphics workloads.

On the compute side, the Radeon 8040S delivers 5.734 TFLOPS of single-precision floating-point performance, backed by 1024 shading units, 64 texture mapping units, and 32 render output units. Its texture rate reaches 179.2 GTexels/s, while the pixel rate stands at 89.6 GPixel/s. The GPU also supports ray tracing, OpenCL 2.1, stereoscopic 3D output, and connects via PCIe 5.0. In standardized testing, it achieved a PassMark G3D score of 9756 and a DirectCompute result of 4561.

Pros
  • Turbo clock speed reaches 2800 MHz, offering a meaningful frequency range above the 1295 MHz base clock
  • Native ray tracing support adds compatibility with modern rendering workloads without relying on software fallbacks
  • DirectX 12 Ultimate and OpenGL 4.6 support ensures broad compatibility across current graphics APIs
  • Built on a 4 nm fabrication process, which contributes to a relatively contained 55W thermal design power
  • Double precision floating point (DPFP) support makes it suitable for compute tasks that require higher numerical accuracy
  • PCIe 5.0 interface provides the bandwidth headroom expected by current-generation platform designs
Cons
  • At 5.734 TFLOPS, floating-point throughput is modest for demanding real-time 3D workloads
  • Only 32 render output units and 64 TMUs may limit sustained throughput in scenarios with heavy pixel or texture workloads
  • XeSS (XMX) support is absent, ruling out that upscaling path for compatible applications
  • A PassMark G3D score of 9756 reflects performance that falls short of dedicated discrete graphics solutions
  • OpenCL version 2.1 is not the most current revision, which could affect compatibility with newer compute frameworks
Who is this for?

The AMD Radeon 8040S is well-suited for users working within everyday computing and light creative workloads, where its RDNA 3.5 architecture and DirectX 12 Ultimate support provide reliable compatibility with modern software. Its 55W TDP makes it a reasonable fit for compact or thermally constrained systems where power efficiency is a practical requirement. Additionally, native ray tracing support and DPFP capability mean it can accommodate users who occasionally engage in compute or technically demanding tasks without needing a dedicated discrete GPU.

Who is this NOT for?

Users pursuing high-fidelity real-time 3D rendering or competitive gaming at demanding settings are likely to find the 5.734 TFLOPS of floating-point throughput insufficient for sustained, frame-rate-sensitive workloads. The limited complement of 32 ROPs and 64 TMUs also means that graphics-intensive professional applications — such as real-time visualization or GPU-accelerated video production — may encounter bottlenecks under heavier loads. Similarly, users relying on cutting-edge upscaling technologies will find no XeSS (XMX) support here, which narrows options for those workflows that depend on that specific capability.

Performance:

GPU clock speed 1295 MHz
GPU turbo 2800 MHz
pixel rate 89.6 GPixel/s
floating-point performance 5.734 TFLOPS
texture rate 179.2 GTexels/s
shading units 1024
texture mapping units (TMUs) 64
render output units (ROPs) 32
Has Double Precision Floating Point (DPFP) ✓
PassMark (G3D) result 9756
PassMark (DirectCompute) result 4561

The AMD Radeon 8040S operates at a base GPU clock of 1295 MHz, boosting up to a turbo frequency of 2800 MHz under load. It is equipped with 1024 shading units, 64 texture mapping units, and 32 render output units, producing a texture rate of 179.2 GTexels/s and a pixel rate of 89.6 GPixel/s. Overall compute throughput reaches 5.734 TFLOPS of floating-point performance, and the GPU does support double precision floating point (DPFP). In benchmark testing, the card achieved a PassMark G3D score of 9756 and a PassMark DirectCompute result of 4561.

Memory:

Features:

DirectX version DirectX 12 Ultimate
OpenGL version 4.6
OpenCL version 2.1
supports ray tracing ✓
Supports 3D ✓
has XeSS (XMX) ✕

The AMD Radeon 8040S supports DirectX 12 Ultimate, along with OpenGL 4.6 and OpenCL 2.1, covering a wide range of graphics and compute API requirements. Ray tracing is supported natively, and the GPU also includes compatibility with stereoscopic 3D output. It does not, however, include XeSS (XMX) support.

Ports:

General info:

GPU architecture RDNA 3.5
Thermal Design Power (TDP) 55W
PCI Express (PCIe) version 5
semiconductor size 4 nm

The AMD Radeon 8040S is built on the RDNA 3.5 architecture, fabricated using a 4 nm semiconductor process. It carries a Thermal Design Power rating of 55W and interfaces with the host system over PCIe 5.0.

Final Verdict

The AMD Radeon 8040S is a measured, purpose-built integrated graphics solution that reflects the priorities of its RDNA 3.5 architecture — balancing modern API support and efficiency within a 55W thermal envelope. Its native ray tracing capability, DirectX 12 Ultimate compliance, and DPFP support give it genuine relevance for users who need a capable, low-power graphics option for everyday and occasionally compute-oriented workloads. That said, its throughput figures and hardware complement point clearly toward lighter use cases rather than sustained graphics-intensive demands. For users whose needs align with those boundaries, the Radeon 8040S delivers a coherent and well-specified feature set; those requiring more headroom for demanding real-time rendering or professional GPU workloads would need to look beyond what this GPU is designed to offer.