Radeon HD 7950M vs Maxwell GPU Surface Book (940M, GDDR5)
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 780 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Maxwell (2014−2017) | GCN 1.0 (2012−2020) |
| GPU code name | Surface Book | Wimbledon |
| Market segment | Laptop | Laptop |
| Release date | 1 October 2015 (10 years ago) | 24 April 2012 (13 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 384 | 1280 |
| Core clock speed | 954 MHz | 700 MHz |
| Boost clock speed | 993 MHz | no data |
| Number of transistors | no data | 2,800 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | no data | 75 Watt |
| Texture fill rate | no data | 56.00 |
| Floating-point processing power | no data | 1.792 TFLOPS |
| ROPs | no data | 32 |
| TMUs | no data | 80 |
| L1 Cache | no data | 320 KB |
| L2 Cache | no data | 512 KB |
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 | no data | large |
| Interface | no data | MXM-B (3.0) |
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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB | 2 GB |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 5012 MHz | 1000 MHz |
| Memory bandwidth | no data | 128.0 GB/s |
| Shared memory | - | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | no data | No outputs |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Optimus | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX 12 (FL 11_0), Shader 5.0 | 12 (11_1) |
| Shader Model | no data | 5.1 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 1.2 |
| Vulkan | - | 1.2.131 |
| CUDA | + | - |
Pros & cons summary
| Recency | 1 October 2015 | 24 April 2012 |
| Maximum RAM amount | 1 GB | 2 GB |
Maxwell GPU Surface Book (940M, GDDR5) has an age advantage of 3 years.
HD 7950M, on the other hand, has a 100% higher maximum VRAM amount.
We couldn't decide between Maxwell GPU Surface Book (940M, GDDR5) and Radeon HD 7950M. We've got no test results to judge.
Other comparisons
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