GeForce GTX 285 X2 vs GT 445M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 962 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 4.18 | no data |
| Architecture | Fermi (2010−2014) | Tesla 2.0 (2007−2013) |
| GPU code name | GF106 | GT200B |
| Market segment | Laptop | Desktop |
| Release date | 3 September 2010 (15 years ago) | 17 June 2009 (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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 144 | 240 ×2 |
| Core clock speed | 590 MHz | 648 MHz |
| Number of transistors | 1,170 million | 1,400 million |
| Manufacturing process technology | 40 nm | 55 nm |
| Power consumption (TDP) | 35 Watt | 315 Watt |
| Texture fill rate | 14.16 | 51.84 ×2 |
| Floating-point processing power | 0.3398 TFLOPS | 0.7085 TFLOPS ×2 |
| ROPs | 24 | 32 ×2 |
| TMUs | 24 | 80 ×2 |
| L1 Cache | 192 KB | no data |
| L2 Cache | 384 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 | large | no data |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | no data | 275 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 8-pin |
| 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 | GDDR3 |
| Maximum RAM amount | 3 GB | 2 GB ×2 |
| Memory bus width | 192 Bit | 512 Bit ×2 |
| Memory clock speed | 1250 MHz | 1152 MHz |
| Memory bandwidth | 60.0 GB/s | 147.5 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 | 2x DVI, 1x HDMI |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 API | 11.1 (10_0) |
| Shader Model | 5.1 | 4.0 |
| OpenGL | 4.5 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | + | 1.3 |
Pros & cons summary
| Recency | 3 September 2010 | 17 June 2009 |
| Maximum RAM amount | 3 GB | 2 GB |
| Chip lithography | 40 nm | 55 nm |
| Power consumption (TDP) | 35 Watt | 315 Watt |
GT 445M has an age advantage of 1 year, a 50% higher maximum VRAM amount, a 38% more advanced lithography process, and 800% lower power consumption.
We couldn't decide between GeForce GT 445M and GeForce GTX 285 X2. We've got no test results to judge.
Be aware that GeForce GT 445M is a notebook graphics card while GeForce GTX 285 X2 is a desktop one.
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