ATI Mobility Radeon HD 4850 Mac Edition vs GeForce GTX 285M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1034 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.43 | no data |
| Architecture | Tesla (2006−2010) | TeraScale (2005−2013) |
| GPU code name | G92 | M98 |
| Market segment | Laptop | Laptop |
| Release date | 1 February 2010 (15 years ago) | 28 August 2009 (16 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 | 128 | 800 |
| Core clock speed | 600 MHz | 503 MHz |
| Number of transistors | 754 million | 956 million |
| Manufacturing process technology | 65 nm | 55 nm |
| Power consumption (TDP) | 75 Watt | no data |
| Texture fill rate | 38.40 | 20.12 |
| Floating-point processing power | 0.384 TFLOPS | 0.8048 TFLOPS |
| Gigaflops | 576 | no data |
| ROPs | 16 | 16 |
| TMUs | 64 | 40 |
| L1 Cache | no data | 160 KB |
| L2 Cache | 64 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 |
| Bus support | PCI-E 2.0 | no data |
| Interface | MXM-B (3.0) | PCIe 2.0 x16 |
| SLI options | 2-way | - |
| MXM Type | MXM 3.0 Type-B | 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 | GDDR3 | GDDR3 |
| Maximum RAM amount | 1 GB | 512 MB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | Up to 1020 MHz | 850 MHz |
| Memory bandwidth | 61 GB/s | 54.4 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 | Single Link DVIVGALVDSHDMIDual Link DVIDisplayPort | No outputs |
| HDMI | + | - |
| Maximum VGA resolution | 2048x1536 | no data |
| Audio input for HDMI | S/PDIF | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Power management | 8.0 | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_0) | 10.1 (10_1) |
| Shader Model | 4.0 | 4.1 |
| OpenGL | 2.1 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | + | - |
Pros & cons summary
| Recency | 1 February 2010 | 28 August 2009 |
| Maximum RAM amount | 1 GB | 512 MB |
| Chip lithography | 65 nm | 55 nm |
GTX 285M has an age advantage of 5 months, and a 100% higher maximum VRAM amount.
ATI Mobility HD 4850 Mac Edition, on the other hand, has a 18.2% more advanced lithography process.
We couldn't decide between GeForce GTX 285M and Mobility Radeon HD 4850 Mac Edition. We've got no test results to judge.
Other comparisons
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