Radeon HD 6650A vs GeForce GT 750M Mac Edition
Aggregate performance score
We've compared GeForce GT 750M Mac Edition and Radeon HD 6650A, covering specs and all relevant benchmarks.
750M Mac Edition outperforms HD 6650A by a whopping 100% 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 | 733 | 924 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 6.15 | 3.42 |
| Architecture | Kepler (2012−2018) | TeraScale 2 (2009−2015) |
| GPU code name | GK107 | Onega |
| Market segment | Laptop | Laptop |
| Release date | 8 November 2013 (12 years ago) | 19 April 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 | 384 | 480 |
| Core clock speed | 926 MHz | 600 MHz |
| Number of transistors | 1,270 million | 716 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 50 Watt | 45 Watt |
| Texture fill rate | 29.63 | 14.40 |
| Floating-point processing power | 0.7112 TFLOPS | 0.576 TFLOPS |
| ROPs | 16 | 8 |
| TMUs | 32 | 24 |
| L1 Cache | 32 KB | 48 KB |
| L2 Cache | 256 KB | 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 | PCIe 3.0 x16 | MXM-A (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 | DDR3 |
| Maximum RAM amount | 2 GB | 1 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 1254 MHz | 900 MHz |
| Memory bandwidth | 80.26 GB/s | 28.8 GB/s |
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 |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.2 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | N/A |
| CUDA | 3.0 | - |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
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 | 4.00 | 2.00 |
| Recency | 8 November 2013 | 19 April 2011 |
| Maximum RAM amount | 2 GB | 1 GB |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 50 Watt | 45 Watt |
GT 750M Mac Edition has a 100% higher aggregate performance score, an age advantage of 2 years, a 100% higher maximum VRAM amount, and a 42.9% more advanced lithography process.
HD 6650A, on the other hand, has 11.1% lower power consumption.
The GeForce GT 750M Mac Edition is our recommended choice as it beats the Radeon HD 6650A in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
