ATI Radeon HD 4250 IGP vs HD 7640G
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 1063 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Terascale 3 (2010−2013) | TeraScale (2005−2013) |
| GPU code name | Trinity | RS880 |
| Market segment | Laptop | Desktop |
| Release date | 15 May 2012 (12 years ago) | 1 March 2010 (14 years ago) |
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 256 | 40 |
| Core clock speed | 497 MHz | 498 MHz |
| Boost clock speed | 686 MHz | 560 MHz |
| Number of transistors | 1,303 million | 181 million |
| Manufacturing process technology | 32 nm | 55 nm |
| Power consumption (TDP) | 35 Watt | no data |
| Texture fill rate | 10.96 | 2.240 |
| Floating-point performance | 0.3507 gflops | 0.0448 gflops |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Laptop size | medium sized | no data |
| Interface | IGP | PCIe 1.0 x16 |
| Width | no data | IGP |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | no data | System Shared |
| Maximum RAM amount | System Shared | System Shared |
| Memory bus width | no data | System Shared |
| Memory clock speed | no data | System Shared |
| Shared memory | + | no data |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | No outputs | No outputs |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
| Shader Model | 5.0 | 4.1 |
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.0 |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 15 May 2012 | 1 March 2010 |
| Chip lithography | 32 nm | 55 nm |
HD 7640G has an age advantage of 2 years, and a 71.9% more advanced lithography process.
We couldn't decide between Radeon HD 7640G and Radeon HD 4250 IGP. We've got no test results to judge.
Be aware that Radeon HD 7640G is a notebook card while Radeon HD 4250 IGP is a desktop one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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