Radeon HD 6630M Mac Edition vs GeForce GTX 980M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 345 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 13.48 | no data |
| Architecture | Maxwell 2.0 (2014−2019) | TeraScale 2 (2009−2015) |
| GPU code name | GM204 | Whistler |
| Market segment | Laptop | Laptop |
| Release date | 7 October 2014 (11 years ago) | 4 January 2011 (14 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 | 1536 | 480 |
| Core clock speed | 1038 MHz | 500 MHz |
| Boost clock speed | 1127 MHz | no data |
| Number of transistors | 5,200 million | 716 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | unknown | 26 Watt |
| Texture fill rate | 51.84 | 12.00 |
| Floating-point processing power | 1.659 TFLOPS | 0.48 TFLOPS |
| ROPs | 64 | 8 |
| TMUs | 96 | 24 |
| L1 Cache | 576 KB | no data |
| L2 Cache | 2 MB | no data |
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 | large | no data |
| Bus support | PCI Express 3.0 | no data |
| Interface | MXM-B (3.0) | PCIe 2.0 x16 |
| Supplementary power connectors | None | no data |
| SLI options | + | - |
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 | 8 GB | 256 MB |
| Memory bus width | 256 Bit | 64 Bit |
| Memory clock speed | 2500 MHz | 600 MHz |
| Memory bandwidth | 160 GB/s | 19.2 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 outputs | No outputs |
| VGA аnalog display support | + | no data |
| DisplayPort Multimode (DP++) support | + | no data |
| HDMI | + | - |
| G-SYNC support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| GameStream | + | - |
| GeForce ShadowPlay | + | - |
| GPU Boost | 2.0 | no data |
| GameWorks | + | - |
| H.264, VC1, MPEG2 1080p video decoder | + | - |
| Optimus | + | - |
| BatteryBoost | + | - |
| Ansel | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 11.2 (11_0) |
| Shader Model | 6.4 | 5.0 |
| OpenGL | 4.5 | 4.4 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | 1.1.126 | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 7 October 2014 | 4 January 2011 |
| Maximum RAM amount | 8 GB | 256 MB |
| Chip lithography | 28 nm | 40 nm |
GTX 980M has an age advantage of 3 years, a 3100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.
We couldn't decide between GeForce GTX 980M and Radeon HD 6630M Mac Edition. We've got no test results to judge.
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