GeForce GTX 950M Mac Edition vs Radeon R9 255 OEM
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 1.0 (2012−2020) | Maxwell (2014−2017) |
| GPU code name | Cape Verde | GM107 |
| Market segment | Desktop | Laptop |
| Release date | 21 December 2013 (11 years ago) | 13 March 2015 (10 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 | 512 | 640 |
| Core clock speed | 900 MHz | 993 MHz |
| Boost clock speed | 930 MHz | 1124 MHz |
| Number of transistors | 1,500 million | 1,870 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 65 Watt | 75 Watt |
| Texture fill rate | 29.76 | 44.96 |
| Floating-point processing power | 0.9523 TFLOPS | 1.439 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 32 | 40 |
| L1 Cache | 128 KB | 320 KB |
| L2 Cache | 256 KB | 2 MB |
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-B (3.0) |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | no data |
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 | 2 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 1150 MHz | 900 MHz |
| Memory bandwidth | 73.6 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_1) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2.131 | 1.1.126 |
| CUDA | - | 5.0 |
Pros & cons summary
| Recency | 21 December 2013 | 13 March 2015 |
| Power consumption (TDP) | 65 Watt | 75 Watt |
R9 255 OEM has 15.4% lower power consumption.
GTX 950M Mac Edition, on the other hand, has an age advantage of 1 year.
We couldn't decide between Radeon R9 255 OEM and GeForce GTX 950M Mac Edition. We've got no test results to judge.
Be aware that Radeon R9 255 OEM is a desktop graphics card while GeForce GTX 950M Mac Edition is a notebook one.
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