In the modern era, with laptops everywhere, users need to understand the specs and performance of the integrated graphics in these portable devices. In this blog post, we seek to provide an informative review of the AMD Radeon HD 7640G through an in-depth analysis of its key specs and benchmarks according to multiple sources.
Let’s explore this Graphics Processing Unit (GPU) more deeply to gain valuable insights for discerning buyers and technology enthusiasts alike.
Specifications
The AMD Radeon HD 7640G is an integrated graphics card based on AMD’s 32nm “Trinity” architecture. It features 256 stream processors between 497 and 686MHz and has a maximum Thermal Design Power (TDP) of 35.
While lacking dedicated video memory, the HD 7640 G utilizes system RAM for frame buffering. It Supports DirectX 11.2 and OpenGL 4.4 APIs, which are compatible exclusively with AMD A-Series APUs.
| Parameter | Specification |
| GPU Architecture | Terascale 3 (VLIW4) |
| Process Technology | 32nm |
| Core/Shader Clock Speed | 497-686 MHz |
| Stream/Shader Processors | 256 |
| TDP | 35W |
| Memory Configuration | System Shared |
| Memory Interface | System Shared |
| Memory Bandwidth | System Shared |
| OpenGL Support | OpenGL 4.4 |
| DirectX Support | DirectX 11.2 |
| Thermal Solution | Passively Cooled (Integrated) |
| Form Factor | Integrated into AMD A-Series APUs |
| Supported Socket | FP3 (Built into notebook APU) |
| Transistor Count | 1,303 million |
| Manufacturing Process | 32nm |
| API Support | OpenGL 4.4, DirectX 11.2 |
| OpenCL Support | OpenCL 1.2 |
Performance Benchmarks
Based on over 1,000 performance tests, the HD 7640G delivers an average score of 460 in the Passmark G3D Mark graphics benchmark. It also achieves average results of 123 in G2D Mark and 781 in 3DMark05.
| Benchmark | Score |
| PassMark G3D Mark | 460 |
| PassMark G2D Mark | 123 |
| 3DMark05 | 781 |
| 3DMark11 Graphics Score | 656 |
In 3DMark11’s graphics test, the GPU averages 656 points. Additional benchmark data reveals that HD 7640G can render between 10-30FPS in popular titles like Diablo III in low-medium settings. Its performance falls in the entry-level notebook category, suitable for casual gaming and general productivity.
The HD 7640G provides smoother graphics than Intel’s integrated solutions of the time but trails behind AMD’s higher-end Mobility Radeon offerings. Still, paired with a quad-core A8 APU, it offered a modest yet solid multimedia experience for mainstream users on a tight budget.
Competitors and Value
Regarding price-to-performance, the HD 7640G competes favorably against NVIDIA’s GeForce 705M and GT 520M while outpacing Intel’s HD 3000 IGP.
Among AMD’s competing solutions, models such as the Radeon HD 7660G, HD 7450M, and HD 7600G delivered 10-20% better performance. However, the HD 7640G balanced capable graphics with excellent power efficiency in thin-and-light notebooks.
Competitors and Relative Performance
| Competitor GPU | Relative Performance to HD 7640G |
| GeForce 705M | 99.16% |
| GeForce GT 520M | 100% |
| GeForce GT 525M | 100% |
| GeForce 710M | 100% |
| GeForce GT 720M | 100% |
| Radeon HD 6480G + HD 7450M Dual Graphics | 99.16% |
| Radeon HD 7600G | ~100% |
| Radeon HD 7620G | ~100% |
| Radeon HD 7660G | ~110-120% |
| Radeon HD 7450M | 105-115% |
| Radeon HD 7550M | ~115% |
| Intel HD Graphics 3000 | <100% |
| Intel HD Graphics 4000 | ~95-100% |
Recommended Systems
According to user-submitted data, the AMD A8-4500M processor was most commonly paired with the HD 7640G at an overwhelming 86.8% attachment rate. Other compatible CPU choices extending the APU family tree included the A10-4600M, A6-4400M, and Llano-based A8-3500M.
Systems featuring this graphics pair generally sold between $400 and $600, offering good value and versatility for productivity and casual gaming applications.
Conclusion
In summary, the AMD Radeon HD 7640G proved a sensible, albeit modest, GPU for notebooks on a budget in 2012. While far from the mightiest graphics solution, it efficiently handled 720p gaming and multimedia tasks.
Buyers prioritizing balance over raw performance found the HD 7640G served their needs well when coupled with a quad-core A-Series APU. Years later, it remains a solid case study in delivering sufficient yet slimmed-down graphics for affordable day-to-day computing.
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