GeForce GTX 660M Mac Edition vs HD Graphics 400
Aggregate performance score
We've compared HD Graphics 400 and GeForce GTX 660M Mac Edition, covering specs and all relevant benchmarks.
660M Mac Edition outperforms HD Graphics 400 by a considerable 42% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1134 | 1016 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 13.22 | 2.25 |
| Architecture | Generation 8.0 (2014−2015) | Kepler (2012−2018) |
| GPU code name | Braswell GT1 | GK107 |
| Market segment | Laptop | Laptop |
| Release date | 1 April 2015 (10 years ago) | 1 April 2013 (12 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 | 96 | 384 |
| Core clock speed | 320 MHz | 950 MHz |
| Boost clock speed | 600 MHz | no data |
| Number of transistors | 189 million | 1,270 million |
| Manufacturing process technology | 14 nm | 28 nm |
| Power consumption (TDP) | 6 Watt | 50 Watt |
| Texture fill rate | 7.200 | 30.40 |
| Floating-point processing power | 0.1152 TFLOPS | 0.7296 TFLOPS |
| ROPs | 2 | 16 |
| TMUs | 12 | 32 |
| L1 Cache | no data | 32 KB |
| L2 Cache | no data | 256 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).
| Interface | Ring Bus | MXM-B (3.0) |
| Supplementary power connectors | no data | None |
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 | DDR3L | GDDR5 |
| Maximum RAM amount | 8 GB | 512 MB |
| Memory bus width | System Shared | 128 Bit |
| Memory clock speed | System Shared | 1250 MHz |
| Memory bandwidth | no data | 80 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 | Portable Device Dependent | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.3 | 4.6 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | + | 1.1.126 |
| CUDA | - | 3.0 |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 0.98 | 1.39 |
| Recency | 1 April 2015 | 1 April 2013 |
| Maximum RAM amount | 8 GB | 512 MB |
| Chip lithography | 14 nm | 28 nm |
| Power consumption (TDP) | 6 Watt | 50 Watt |
HD Graphics 400 has an age advantage of 2 years, a 1500% higher maximum VRAM amount, a 100% more advanced lithography process, and 733.3% lower power consumption.
GTX 660M Mac Edition, on the other hand, has a 41.8% higher aggregate performance score.
The GeForce GTX 660M Mac Edition is our recommended choice as it beats the HD Graphics 400 in performance tests.
Other comparisons
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