ATI Mobility Radeon HD 3850 X2 vs GeForce 920MX
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 874 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 12.18 | no data |
| Architecture | Maxwell (2014−2017) | TeraScale (2005−2013) |
| GPU code name | GM108 | M88 |
| Market segment | Laptop | Laptop |
| Release date | 25 March 2016 (10 years ago) | 4 June 2008 (17 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 | 256 | 320 ×2 |
| Core clock speed | 965 MHz | 580 MHz |
| Boost clock speed | 993 MHz | no data |
| Number of transistors | no data | 666 million |
| Manufacturing process technology | 28 nm | 55 nm |
| Power consumption (TDP) | 16 Watt | 70 Watt |
| Texture fill rate | 23.83 | 9.280 ×2 |
| Floating-point processing power | 0.5084 TFLOPS | 0.3712 TFLOPS ×2 |
| ROPs | 8 | 16 ×2 |
| TMUs | 24 | 16 ×2 |
| L1 Cache | 128 KB | no data |
| L2 Cache | 1024 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).
| Laptop size | no data | large |
| Bus support | PCI Express 3.0 | no data |
| Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Supplementary power connectors | None | 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 | DDR3, GDDR5 | GDDR3 |
| Maximum RAM amount | 2 GB | 512 MB ×2 |
| Memory bus width | 64 Bit | 256 Bit ×2 |
| Memory clock speed | 900 MHz | 750 MHz |
| Memory bandwidth | 14.4 GB/s | 48 GB/s ×2 |
| 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 |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| GPU Boost | 2.0 | no data |
| Optimus | + | - |
| GameWorks | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 10.1 (10_1) |
| Shader Model | 5.1 | 4.1 |
| OpenGL | 4.5 | 3.3 |
| OpenCL | 1.2 | N/A |
| Vulkan | 1.1.126 | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 25 March 2016 | 4 June 2008 |
| Maximum RAM amount | 2 GB | 512 MB |
| Chip lithography | 28 nm | 55 nm |
| Power consumption (TDP) | 16 Watt | 70 Watt |
GeForce 920MX has an age advantage of 7 years, a 300% higher maximum VRAM amount, a 96% more advanced lithography process, and 338% lower power consumption.
We couldn't decide between GeForce 920MX and Mobility Radeon HD 3850 X2. We've got no test results to judge.
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